./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_1251.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1251.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash de540e539c3db6027c1fdb04fcc6cae02aafb8aa58950d31054b2b0b8391af6d --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:40:42,900 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:40:43,007 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-08 23:40:43,011 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 23:40:43,012 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 23:40:43,035 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:40:43,037 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:40:43,038 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 23:40:43,039 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:40:43,041 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:40:43,041 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:40:43,042 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:40:43,042 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 23:40:43,043 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 23:40:43,043 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 23:40:43,043 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:40:43,046 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:40:43,047 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:40:43,047 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:40:43,047 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:40:43,048 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 23:40:43,048 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:40:43,052 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:40:43,052 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:40:43,053 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:40:43,053 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:40:43,053 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:40:43,054 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:40:43,054 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:40:43,054 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:40:43,055 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:40:43,055 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 23:40:43,055 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 23:40:43,056 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> de540e539c3db6027c1fdb04fcc6cae02aafb8aa58950d31054b2b0b8391af6d [2024-11-08 23:40:43,312 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:40:43,337 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:40:43,341 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:40:43,343 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:40:43,344 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:40:43,345 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/float-newlib/float_req_bl_1251.c Unable to find full path for "g++" [2024-11-08 23:40:45,355 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:40:45,550 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:40:45,550 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/sv-benchmarks/c/float-newlib/float_req_bl_1251.c [2024-11-08 23:40:45,563 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/data/2cab53a03/7a6af3b07d9a40ec9ab16a574e1bc83e/FLAG86f1e49a4 [2024-11-08 23:40:45,581 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/data/2cab53a03/7a6af3b07d9a40ec9ab16a574e1bc83e [2024-11-08 23:40:45,585 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:40:45,589 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:40:45,590 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:40:45,592 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:40:45,598 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:40:45,599 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:40:45" (1/1) ... [2024-11-08 23:40:45,601 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52a97660 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:40:45, skipping insertion in model container [2024-11-08 23:40:45,605 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:40:45" (1/1) ... [2024-11-08 23:40:45,636 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:40:45,911 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/sv-benchmarks/c/float-newlib/float_req_bl_1251.c[1980,1993] [2024-11-08 23:40:45,921 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/sv-benchmarks/c/float-newlib/float_req_bl_1251.c[2139,2152] [2024-11-08 23:40:45,922 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:40:45,938 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:40:45,969 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/sv-benchmarks/c/float-newlib/float_req_bl_1251.c[1980,1993] [2024-11-08 23:40:45,974 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/sv-benchmarks/c/float-newlib/float_req_bl_1251.c[2139,2152] [2024-11-08 23:40:45,978 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:40:46,002 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:40:46,003 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:40:46 WrapperNode [2024-11-08 23:40:46,003 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:40:46,005 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:40:46,005 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:40:46,006 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:40:46,014 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:40:46" (1/1) ... [2024-11-08 23:40:46,022 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:40:46" (1/1) ... [2024-11-08 23:40:46,049 INFO L138 Inliner]: procedures = 18, calls = 22, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 105 [2024-11-08 23:40:46,049 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:40:46,050 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:40:46,050 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:40:46,050 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:40:46,069 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:40:46" (1/1) ... [2024-11-08 23:40:46,071 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:40:46" (1/1) ... [2024-11-08 23:40:46,073 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:40:46" (1/1) ... [2024-11-08 23:40:46,075 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:40:46" (1/1) ... [2024-11-08 23:40:46,084 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:40:46" (1/1) ... [2024-11-08 23:40:46,088 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:40:46" (1/1) ... [2024-11-08 23:40:46,090 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:40:46" (1/1) ... [2024-11-08 23:40:46,091 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:40:46" (1/1) ... [2024-11-08 23:40:46,094 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:40:46,095 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:40:46,095 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:40:46,096 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:40:46,097 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:40:46" (1/1) ... [2024-11-08 23:40:46,107 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:40:46,119 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:40:46,135 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:40:46,143 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:40:46,180 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:40:46,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 23:40:46,180 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-08 23:40:46,181 INFO L130 BoogieDeclarations]: Found specification of procedure __fpclassify_float [2024-11-08 23:40:46,181 INFO L138 BoogieDeclarations]: Found implementation of procedure __fpclassify_float [2024-11-08 23:40:46,182 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_float [2024-11-08 23:40:46,182 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_float [2024-11-08 23:40:46,183 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2024-11-08 23:40:46,183 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:40:46,183 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:40:46,183 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-08 23:40:46,184 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-08 23:40:46,288 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:40:46,290 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:40:46,608 INFO L? ?]: Removed 31 outVars from TransFormulas that were not future-live. [2024-11-08 23:40:46,608 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:40:46,745 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:40:46,745 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-08 23:40:46,746 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:40:46 BoogieIcfgContainer [2024-11-08 23:40:46,746 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:40:46,747 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:40:46,747 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:40:46,758 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:40:46,758 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:40:46" (1/1) ... [2024-11-08 23:40:46,770 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:40:46,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:40:46,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 47 states and 65 transitions. [2024-11-08 23:40:46,831 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 65 transitions. [2024-11-08 23:40:46,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-08 23:40:46,836 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:40:46,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:40:46,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:40:47,205 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-08 23:40:47,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:40:47,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 49 states and 64 transitions. [2024-11-08 23:40:47,307 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 64 transitions. [2024-11-08 23:40:47,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-08 23:40:47,311 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:40:47,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:40:47,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:40:47,449 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-08 23:40:47,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:40:47,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 50 states and 66 transitions. [2024-11-08 23:40:47,481 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 66 transitions. [2024-11-08 23:40:47,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-08 23:40:47,482 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:40:47,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:40:47,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:40:47,589 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:40:47,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:40:47,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:40:47,797 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:40:47,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:40:47,868 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 3 iterations. [2024-11-08 23:40:47,910 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 11:40:47 ImpRootNode [2024-11-08 23:40:47,911 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 23:40:47,912 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 23:40:47,912 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 23:40:47,912 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 23:40:47,913 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:40:46" (3/4) ... [2024-11-08 23:40:47,916 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 23:40:47,917 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 23:40:47,919 INFO L158 Benchmark]: Toolchain (without parser) took 2330.02ms. Allocated memory is still 211.8MB. Free memory was 167.3MB in the beginning and 166.6MB in the end (delta: 640.1kB). Peak memory consumption was 2.3MB. Max. memory is 16.1GB. [2024-11-08 23:40:47,921 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 134.2MB. Free memory is still 79.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:40:47,922 INFO L158 Benchmark]: CACSL2BoogieTranslator took 414.05ms. Allocated memory is still 211.8MB. Free memory was 167.3MB in the beginning and 153.4MB in the end (delta: 13.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-08 23:40:47,924 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.08ms. Allocated memory is still 211.8MB. Free memory was 153.4MB in the beginning and 151.9MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:40:47,925 INFO L158 Benchmark]: Boogie Preprocessor took 44.33ms. Allocated memory is still 211.8MB. Free memory was 151.9MB in the beginning and 150.5MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:40:47,927 INFO L158 Benchmark]: RCFGBuilder took 651.11ms. Allocated memory is still 211.8MB. Free memory was 150.5MB in the beginning and 128.2MB in the end (delta: 22.3MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-11-08 23:40:47,927 INFO L158 Benchmark]: CodeCheck took 1163.94ms. Allocated memory is still 211.8MB. Free memory was 128.2MB in the beginning and 167.7MB in the end (delta: -39.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:40:47,929 INFO L158 Benchmark]: Witness Printer took 6.19ms. Allocated memory is still 211.8MB. Free memory was 167.7MB in the beginning and 166.6MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:40:47,933 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 3 procedures, 47 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 147 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 80 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 12 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 32 IncrementalHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 12 mSolverCounterUnsat, 80 mSDtfsCounter, 32 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 362 GetRequests, 356 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 86 NumberOfCodeBlocks, 86 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 51 ConstructedInterpolants, 0 QuantifiedInterpolants, 54 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 8/8 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 76]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 75. Possible FailurePath: [L66] float x = __VERIFIER_nondet_float(); [L67] float y = __VERIFIER_nondet_float(); [L69] CALL, EXPR isnan_float(x) VAL [\old(x)=2] [L57] return x != x; [L69] RET, EXPR isnan_float(x) VAL [x=2] [L69] EXPR isnan_float(x) && !isnan_float(y) VAL [x=2] [L69] CALL, EXPR isnan_float(y) VAL [\old(x)=3] [L57] return x != x; [L69] RET, EXPR isnan_float(y) VAL [x=2, y=3] [L69] EXPR isnan_float(x) && !isnan_float(y) VAL [x=2, y=3] [L69-L70] (isnan_float(x) && !isnan_float(y)) || (!isnan_float(x) && isnan_float(y)) VAL [x=2, y=3] [L69-L70] COND TRUE (isnan_float(x) && !isnan_float(y)) || (!isnan_float(x) && isnan_float(y)) [L72] CALL, EXPR fmax_float(x, y) [L46] CALL, EXPR __fpclassify_float(x) VAL [\old(x)=2] [L23] __uint32_t w; VAL [\old(x)=2, x=2] [L26] ieee_float_shape_type gf_u; [L27] gf_u.value = (x) [L28] EXPR gf_u.word [L28] (w) = gf_u.word [L31] COND FALSE !(w == 0x00000000 || w == 0x80000000) [L33-L34] COND FALSE !((w >= 0x00800000 && w <= 0x7f7fffff) || (w >= 0x80800000 && w <= 0xff7fffff)) [L36-L37] COND FALSE !((w >= 0x00000001 && w <= 0x007fffff) || (w >= 0x80000001 && w <= 0x807fffff)) [L39] COND FALSE !(w == 0x7f800000 || w == 0xff800000) [L42] return 0; [L46] RET, EXPR __fpclassify_float(x) VAL [x=2, y=3] [L46] COND TRUE __fpclassify_float(x) == 0 [L47] return y; VAL [\result=3, x=2] [L72] RET, EXPR fmax_float(x, y) [L72] float res = fmax_float(x, y); [L75] CALL, EXPR isnan_float(x) VAL [\old(x)=2] [L57] return x != x; [L75] RET, EXPR isnan_float(x) VAL [x=2, y=3] [L75] EXPR isnan_float(x) && !isnan_float(y) VAL [x=2, y=3] [L75] CALL, EXPR isnan_float(y) VAL [\old(x)=3] [L57] return x != x; [L75] RET, EXPR isnan_float(y) VAL [x=2, y=3] [L75] EXPR isnan_float(x) && !isnan_float(y) VAL [x=2, y=3] [L75] COND TRUE isnan_float(x) && !isnan_float(y) && res != y [L76] reach_error() VAL [x=2, y=3] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 134.2MB. Free memory is still 79.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 414.05ms. Allocated memory is still 211.8MB. Free memory was 167.3MB in the beginning and 153.4MB in the end (delta: 13.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 44.08ms. Allocated memory is still 211.8MB. Free memory was 153.4MB in the beginning and 151.9MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 44.33ms. Allocated memory is still 211.8MB. Free memory was 151.9MB in the beginning and 150.5MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 651.11ms. Allocated memory is still 211.8MB. Free memory was 150.5MB in the beginning and 128.2MB in the end (delta: 22.3MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * CodeCheck took 1163.94ms. Allocated memory is still 211.8MB. Free memory was 128.2MB in the beginning and 167.7MB in the end (delta: -39.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 6.19ms. Allocated memory is still 211.8MB. Free memory was 167.7MB in the beginning and 166.6MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-08 23:40:47,983 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1251.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash de540e539c3db6027c1fdb04fcc6cae02aafb8aa58950d31054b2b0b8391af6d --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:40:50,539 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:40:50,652 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-08 23:40:50,704 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:40:50,705 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:40:50,706 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 23:40:50,707 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:40:50,708 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:40:50,709 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:40:50,710 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:40:50,711 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 23:40:50,711 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 23:40:50,712 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:40:50,712 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:40:50,715 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:40:50,715 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:40:50,716 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 23:40:50,716 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 23:40:50,716 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:40:50,717 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 23:40:50,717 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 23:40:50,722 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:40:50,722 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:40:50,722 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:40:50,723 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:40:50,723 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:40:50,723 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 23:40:50,724 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-08 23:40:50,724 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:40:50,724 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:40:50,725 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:40:50,725 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:40:50,725 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:40:50,726 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-08 23:40:50,726 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 23:40:50,726 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-08 23:40:50,727 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> de540e539c3db6027c1fdb04fcc6cae02aafb8aa58950d31054b2b0b8391af6d [2024-11-08 23:40:51,145 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:40:51,176 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:40:51,181 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:40:51,183 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:40:51,184 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:40:51,185 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/float-newlib/float_req_bl_1251.c Unable to find full path for "g++" [2024-11-08 23:40:53,500 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:40:53,730 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:40:53,731 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/sv-benchmarks/c/float-newlib/float_req_bl_1251.c [2024-11-08 23:40:53,740 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/data/ebbcfcdfd/dd2c9ae682c34b409f1ccc6c50792ad6/FLAG521f16d21 [2024-11-08 23:40:53,756 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/data/ebbcfcdfd/dd2c9ae682c34b409f1ccc6c50792ad6 [2024-11-08 23:40:53,759 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:40:53,761 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:40:53,762 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:40:53,763 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:40:53,768 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:40:53,769 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:40:53" (1/1) ... [2024-11-08 23:40:53,770 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2109863d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:40:53, skipping insertion in model container [2024-11-08 23:40:53,771 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:40:53" (1/1) ... [2024-11-08 23:40:53,805 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:40:54,023 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/sv-benchmarks/c/float-newlib/float_req_bl_1251.c[1980,1993] [2024-11-08 23:40:54,031 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/sv-benchmarks/c/float-newlib/float_req_bl_1251.c[2139,2152] [2024-11-08 23:40:54,032 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:40:54,053 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:40:54,080 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/sv-benchmarks/c/float-newlib/float_req_bl_1251.c[1980,1993] [2024-11-08 23:40:54,086 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/sv-benchmarks/c/float-newlib/float_req_bl_1251.c[2139,2152] [2024-11-08 23:40:54,087 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:40:54,120 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:40:54,120 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:40:54 WrapperNode [2024-11-08 23:40:54,120 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:40:54,122 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:40:54,122 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:40:54,122 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:40:54,130 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:40:54" (1/1) ... [2024-11-08 23:40:54,148 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:40:54" (1/1) ... [2024-11-08 23:40:54,177 INFO L138 Inliner]: procedures = 21, calls = 22, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 96 [2024-11-08 23:40:54,178 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:40:54,180 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:40:54,180 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:40:54,180 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:40:54,192 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:40:54" (1/1) ... [2024-11-08 23:40:54,193 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:40:54" (1/1) ... [2024-11-08 23:40:54,198 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:40:54" (1/1) ... [2024-11-08 23:40:54,198 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:40:54" (1/1) ... [2024-11-08 23:40:54,213 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:40:54" (1/1) ... [2024-11-08 23:40:54,221 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:40:54" (1/1) ... [2024-11-08 23:40:54,223 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:40:54" (1/1) ... [2024-11-08 23:40:54,228 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:40:54" (1/1) ... [2024-11-08 23:40:54,234 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:40:54,235 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:40:54,235 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:40:54,235 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:40:54,236 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:40:54" (1/1) ... [2024-11-08 23:40:54,248 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:40:54,262 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:40:54,274 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:40:54,282 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:40:54,316 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:40:54,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-08 23:40:54,317 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-08 23:40:54,335 INFO L130 BoogieDeclarations]: Found specification of procedure __fpclassify_float [2024-11-08 23:40:54,335 INFO L138 BoogieDeclarations]: Found implementation of procedure __fpclassify_float [2024-11-08 23:40:54,336 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_float [2024-11-08 23:40:54,336 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_float [2024-11-08 23:40:54,336 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-11-08 23:40:54,336 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:40:54,336 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:40:54,336 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2024-11-08 23:40:54,336 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-08 23:40:54,508 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:40:54,514 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:40:54,792 INFO L? ?]: Removed 35 outVars from TransFormulas that were not future-live. [2024-11-08 23:40:54,792 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:40:54,884 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:40:54,884 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-08 23:40:54,885 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:40:54 BoogieIcfgContainer [2024-11-08 23:40:54,885 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:40:54,886 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:40:54,886 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:40:54,902 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:40:54,903 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:40:54" (1/1) ... [2024-11-08 23:40:54,913 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:40:54,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:40:54,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 46 states and 64 transitions. [2024-11-08 23:40:54,976 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 64 transitions. [2024-11-08 23:40:54,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-08 23:40:54,982 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:40:54,983 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:40:54,984 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:40:54,987 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:40:54,990 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-08 23:40:55,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:40:55,200 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:40:55,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:40:55,266 INFO L255 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-08 23:40:55,272 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:40:55,311 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:40:55,321 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-08 23:40:55,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:40:55,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 46 states and 61 transitions. [2024-11-08 23:40:55,378 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 61 transitions. [2024-11-08 23:40:55,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-08 23:40:55,379 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:40:55,380 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:40:55,380 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:40:55,384 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:40:55,387 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-08 23:40:55,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:40:55,579 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:40:55,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:40:55,631 INFO L255 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-08 23:40:55,634 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:40:55,659 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-08 23:40:55,662 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-08 23:40:55,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:40:55,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 47 states and 63 transitions. [2024-11-08 23:40:55,712 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 63 transitions. [2024-11-08 23:40:55,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-08 23:40:55,715 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:40:55,716 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:40:55,716 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:40:55,719 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:40:55,720 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-08 23:40:55,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:40:55,903 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:40:55,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:40:55,942 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-08 23:40:55,944 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:40:55,993 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-08 23:40:55,997 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-08 23:40:56,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:40:56,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 49 states and 65 transitions. [2024-11-08 23:40:56,055 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 65 transitions. [2024-11-08 23:40:56,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:40:56,057 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:40:56,058 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:40:56,058 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:40:56,061 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:40:56,064 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-08 23:40:56,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:40:56,362 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:40:56,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:40:56,452 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:40:56,462 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:40:57,320 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:40:57,325 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-11-08 23:40:58,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:40:58,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 62 states and 89 transitions. [2024-11-08 23:40:58,872 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 89 transitions. [2024-11-08 23:40:58,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:40:58,874 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:40:58,874 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:40:58,874 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:40:58,875 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:40:58,877 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-08 23:40:59,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:40:59,147 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:40:59,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:40:59,182 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:40:59,185 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:40:59,629 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:40:59,632 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (6)] Exception during sending of exit command (exit): Broken pipe [2024-11-08 23:40:59,634 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-11-08 23:40:59,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:40:59,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 62 states and 89 transitions. [2024-11-08 23:40:59,745 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 89 transitions. [2024-11-08 23:40:59,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:40:59,746 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:40:59,746 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:40:59,746 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:40:59,750 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:40:59,751 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-08 23:41:00,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:00,020 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:41:00,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:00,067 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:41:00,070 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:41:00,412 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:41:00,416 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-11-08 23:41:00,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:41:00,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 62 states and 89 transitions. [2024-11-08 23:41:00,437 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 89 transitions. [2024-11-08 23:41:00,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:41:00,439 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:41:00,440 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:41:00,440 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:41:00,443 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:41:00,446 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-11-08 23:41:00,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:00,720 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:41:00,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:00,766 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:41:00,768 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:41:01,128 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:41:01,133 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-11-08 23:41:01,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:41:01,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 62 states and 89 transitions. [2024-11-08 23:41:01,161 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 89 transitions. [2024-11-08 23:41:01,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:41:01,163 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:41:01,163 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:41:01,163 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:41:01,167 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:41:01,169 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-11-08 23:41:01,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:01,479 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:41:01,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:01,522 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:41:01,524 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:41:01,841 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:41:01,845 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-11-08 23:41:01,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:41:01,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 62 states and 89 transitions. [2024-11-08 23:41:01,867 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 89 transitions. [2024-11-08 23:41:01,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:41:01,869 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:41:01,869 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:41:01,869 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:41:01,872 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:41:01,873 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-11-08 23:41:02,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:02,112 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:41:02,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:02,144 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:41:02,148 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:41:02,486 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:41:02,490 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2024-11-08 23:41:02,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:41:02,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 62 states and 89 transitions. [2024-11-08 23:41:02,513 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 89 transitions. [2024-11-08 23:41:02,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:41:02,514 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:41:02,515 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:41:02,515 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:41:02,518 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:41:02,522 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-11-08 23:41:02,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:02,809 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:41:02,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:02,842 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:41:02,845 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:41:03,183 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:41:03,187 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2024-11-08 23:41:03,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:41:03,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 62 states and 89 transitions. [2024-11-08 23:41:03,204 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 89 transitions. [2024-11-08 23:41:03,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:41:03,205 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:41:03,205 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:41:03,206 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:41:03,208 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:41:03,210 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-11-08 23:41:03,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:03,488 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:41:03,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:03,518 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:41:03,520 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:41:03,826 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:41:03,831 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2024-11-08 23:41:03,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:41:03,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 62 states and 89 transitions. [2024-11-08 23:41:03,847 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 89 transitions. [2024-11-08 23:41:03,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:41:03,848 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:41:03,848 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:41:03,849 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:41:03,851 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:41:03,856 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-11-08 23:41:04,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:04,152 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:41:04,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:04,185 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:41:04,191 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:41:04,470 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:41:04,474 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (13)] Exception during sending of exit command (exit): Broken pipe [2024-11-08 23:41:04,476 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2024-11-08 23:41:04,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:41:04,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 62 states and 89 transitions. [2024-11-08 23:41:04,495 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 89 transitions. [2024-11-08 23:41:04,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:41:04,497 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:41:04,497 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:41:04,497 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:41:04,501 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:41:04,505 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-11-08 23:41:04,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:04,785 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:41:04,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:04,821 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:41:04,822 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:41:05,119 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:41:05,123 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2024-11-08 23:41:05,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:41:05,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 62 states and 89 transitions. [2024-11-08 23:41:05,147 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 89 transitions. [2024-11-08 23:41:05,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:41:05,148 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:41:05,148 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:41:05,149 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:41:05,151 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:41:05,153 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2024-11-08 23:41:05,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:05,400 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:41:05,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:05,434 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:41:05,435 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:41:05,738 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:41:05,742 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2024-11-08 23:41:05,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:41:05,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 62 states and 89 transitions. [2024-11-08 23:41:05,758 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 89 transitions. [2024-11-08 23:41:05,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:41:05,759 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:41:05,759 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:41:05,759 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:41:05,762 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:41:05,763 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2024-11-08 23:41:05,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:05,999 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:41:06,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:06,032 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:41:06,033 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:41:06,331 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:41:06,335 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2024-11-08 23:41:06,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:41:06,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 62 states and 89 transitions. [2024-11-08 23:41:06,354 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 89 transitions. [2024-11-08 23:41:06,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:41:06,355 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:41:06,355 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:41:06,355 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:41:06,358 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:41:06,360 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2024-11-08 23:41:06,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:06,583 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:41:06,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:06,614 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:41:06,616 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:41:06,900 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:41:06,906 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2024-11-08 23:41:06,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:41:06,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 62 states and 89 transitions. [2024-11-08 23:41:06,924 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 89 transitions. [2024-11-08 23:41:06,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:41:06,925 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:41:06,925 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:41:06,926 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:41:06,928 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:41:06,934 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2024-11-08 23:41:07,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:07,205 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:41:07,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:07,238 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:41:07,240 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:41:07,520 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:41:07,523 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (18)] Forceful destruction successful, exit code 0 [2024-11-08 23:41:07,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:41:07,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 62 states and 89 transitions. [2024-11-08 23:41:07,538 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 89 transitions. [2024-11-08 23:41:07,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:41:07,538 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:41:07,539 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:41:07,539 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:41:07,541 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:41:07,543 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2024-11-08 23:41:07,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:07,837 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:41:07,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:07,866 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:41:07,868 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:41:08,115 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:41:08,119 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2024-11-08 23:41:08,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:41:08,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 62 states and 89 transitions. [2024-11-08 23:41:08,135 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 89 transitions. [2024-11-08 23:41:08,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:41:08,136 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:41:08,136 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:41:08,136 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:41:08,139 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:41:08,141 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2024-11-08 23:41:08,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:08,365 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:41:08,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:08,399 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:41:08,400 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:41:08,677 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:41:08,681 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (20)] Forceful destruction successful, exit code 0 [2024-11-08 23:41:08,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:41:08,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 62 states and 89 transitions. [2024-11-08 23:41:08,698 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 89 transitions. [2024-11-08 23:41:08,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:41:08,698 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:41:08,699 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:41:08,699 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:41:08,703 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:41:08,703 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2024-11-08 23:41:08,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:08,973 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:41:09,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:09,002 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:41:09,004 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:41:09,298 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:41:09,303 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (21)] Forceful destruction successful, exit code 0 [2024-11-08 23:41:09,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:41:09,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 62 states and 89 transitions. [2024-11-08 23:41:09,318 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 89 transitions. [2024-11-08 23:41:09,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:41:09,319 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:41:09,319 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:41:09,319 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:41:09,322 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:41:09,324 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2024-11-08 23:41:09,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:09,561 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:41:09,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:09,591 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:41:09,592 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:41:09,867 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:41:09,869 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (22)] Forceful destruction successful, exit code 0 [2024-11-08 23:41:09,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:41:09,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 62 states and 89 transitions. [2024-11-08 23:41:09,884 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 89 transitions. [2024-11-08 23:41:09,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:41:09,884 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:41:09,885 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:41:09,885 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:41:09,889 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:41:09,890 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2024-11-08 23:41:10,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:10,165 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:41:10,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:10,196 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:41:10,198 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:41:10,437 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:41:10,443 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (23)] Ended with exit code 0 [2024-11-08 23:41:10,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:41:10,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 62 states and 89 transitions. [2024-11-08 23:41:10,456 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 89 transitions. [2024-11-08 23:41:10,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:41:10,457 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:41:10,457 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:41:10,457 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:41:10,461 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:41:10,463 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2024-11-08 23:41:10,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:10,708 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:41:10,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:10,735 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:41:10,736 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:41:10,927 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:41:10,930 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (24)] Ended with exit code 0 [2024-11-08 23:41:10,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:41:10,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 62 states and 89 transitions. [2024-11-08 23:41:10,940 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 89 transitions. [2024-11-08 23:41:10,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:41:10,941 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:41:10,941 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:41:10,941 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:41:10,945 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:41:10,946 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2024-11-08 23:41:11,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:11,166 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:41:11,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:11,190 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:41:11,192 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:41:11,549 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:41:11,555 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (25)] Forceful destruction successful, exit code 0 [2024-11-08 23:41:11,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:41:11,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 62 states and 89 transitions. [2024-11-08 23:41:11,571 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 89 transitions. [2024-11-08 23:41:11,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:41:11,573 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:41:11,573 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:41:11,573 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:41:11,576 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:41:11,582 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2024-11-08 23:41:11,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:11,877 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:41:11,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:11,908 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:41:11,909 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:41:12,143 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:41:12,147 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (26)] Forceful destruction successful, exit code 0 [2024-11-08 23:41:12,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:41:12,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 62 states and 89 transitions. [2024-11-08 23:41:12,162 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 89 transitions. [2024-11-08 23:41:12,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:41:12,162 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:41:12,162 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:41:12,162 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:41:12,165 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:41:12,172 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2024-11-08 23:41:12,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:12,420 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:41:12,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:12,453 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:41:12,454 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:41:12,675 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:41:12,678 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (27)] Ended with exit code 0 [2024-11-08 23:41:12,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:41:12,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 62 states and 89 transitions. [2024-11-08 23:41:12,693 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 89 transitions. [2024-11-08 23:41:12,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:41:12,695 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:41:12,695 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:41:12,695 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:41:12,698 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:41:12,700 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2024-11-08 23:41:12,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:12,960 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:41:12,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:12,985 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:41:12,986 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:41:13,166 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:41:13,169 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (28)] Forceful destruction successful, exit code 0 [2024-11-08 23:41:13,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:41:13,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 62 states and 89 transitions. [2024-11-08 23:41:13,180 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 89 transitions. [2024-11-08 23:41:13,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:41:13,181 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:41:13,181 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:41:13,181 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:41:13,182 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:41:13,184 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2024-11-08 23:41:13,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:13,468 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:41:13,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:13,495 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:41:13,496 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:41:13,717 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:41:13,720 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (29)] Forceful destruction successful, exit code 0 [2024-11-08 23:41:13,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:41:13,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 62 states and 89 transitions. [2024-11-08 23:41:13,734 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 89 transitions. [2024-11-08 23:41:13,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:41:13,735 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:41:13,735 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:41:13,735 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:41:13,741 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:41:13,745 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2024-11-08 23:41:14,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:14,004 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:41:14,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:14,034 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:41:14,035 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:41:14,332 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:41:14,336 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (30)] Ended with exit code 0 [2024-11-08 23:41:14,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:41:14,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 62 states and 89 transitions. [2024-11-08 23:41:14,354 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 89 transitions. [2024-11-08 23:41:14,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:41:14,355 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:41:14,355 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:41:14,355 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:41:14,358 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:41:14,362 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2024-11-08 23:41:14,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:14,709 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:41:14,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:14,745 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:41:14,747 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:41:14,987 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:41:14,991 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (31)] Forceful destruction successful, exit code 0 [2024-11-08 23:41:15,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:41:15,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 62 states and 89 transitions. [2024-11-08 23:41:15,004 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 89 transitions. [2024-11-08 23:41:15,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:41:15,007 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:41:15,007 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:41:15,008 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:41:15,010 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:41:15,015 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2024-11-08 23:41:15,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:15,254 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:41:15,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:15,284 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:41:15,285 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:41:15,483 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:41:15,486 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (32)] Forceful destruction successful, exit code 0 [2024-11-08 23:41:15,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:41:15,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 62 states and 89 transitions. [2024-11-08 23:41:15,496 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 89 transitions. [2024-11-08 23:41:15,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:41:15,496 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:41:15,497 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:41:15,497 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:41:15,501 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:41:15,503 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (33)] Waiting until timeout for monitored process [2024-11-08 23:41:15,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:15,740 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:41:15,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:15,766 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:41:15,767 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:41:15,996 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:41:15,999 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (33)] Ended with exit code 0 [2024-11-08 23:41:16,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:41:16,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 62 states and 89 transitions. [2024-11-08 23:41:16,012 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 89 transitions. [2024-11-08 23:41:16,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:41:16,013 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:41:16,013 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:41:16,013 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:41:16,018 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:41:16,019 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2024-11-08 23:41:16,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:16,285 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:41:16,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:16,313 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:41:16,314 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:41:16,591 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:41:16,594 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (34)] Ended with exit code 0 [2024-11-08 23:41:16,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:41:16,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 62 states and 89 transitions. [2024-11-08 23:41:16,606 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 89 transitions. [2024-11-08 23:41:16,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:41:16,607 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:41:16,607 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:41:16,607 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:41:16,614 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:41:16,615 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (35)] Waiting until timeout for monitored process [2024-11-08 23:41:16,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:16,870 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:41:16,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:16,899 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:41:16,900 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:41:17,120 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:41:17,123 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (35)] Forceful destruction successful, exit code 0 [2024-11-08 23:41:17,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:41:17,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 62 states and 89 transitions. [2024-11-08 23:41:17,134 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 89 transitions. [2024-11-08 23:41:17,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:41:17,134 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:41:17,134 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:41:17,134 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:41:17,136 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:41:17,138 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (36)] Waiting until timeout for monitored process [2024-11-08 23:41:17,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:17,387 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:41:17,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:17,414 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:41:17,415 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:41:17,642 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:41:17,644 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (36)] Forceful destruction successful, exit code 0 [2024-11-08 23:41:17,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:41:17,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 62 states and 89 transitions. [2024-11-08 23:41:17,655 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 89 transitions. [2024-11-08 23:41:17,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:41:17,656 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:41:17,656 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:41:17,656 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:41:17,657 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:41:17,659 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (37)] Waiting until timeout for monitored process [2024-11-08 23:41:17,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:17,903 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:41:17,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:17,929 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:41:17,931 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:41:18,191 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:41:18,195 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (37)] Forceful destruction successful, exit code 0 [2024-11-08 23:41:18,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:41:18,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 62 states and 89 transitions. [2024-11-08 23:41:18,207 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 89 transitions. [2024-11-08 23:41:18,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:41:18,207 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:41:18,207 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:41:18,208 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:41:18,211 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:41:18,212 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (38)] Waiting until timeout for monitored process [2024-11-08 23:41:18,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:18,498 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:41:18,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:18,521 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:41:18,522 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:41:18,754 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:41:18,756 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (38)] Forceful destruction successful, exit code 0 [2024-11-08 23:41:18,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:41:18,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 62 states and 89 transitions. [2024-11-08 23:41:18,767 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 89 transitions. [2024-11-08 23:41:18,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:41:18,768 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:41:18,768 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:41:18,768 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:41:18,769 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:41:18,770 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (39)] Waiting until timeout for monitored process [2024-11-08 23:41:19,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:19,024 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:41:19,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:19,050 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:41:19,051 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:41:19,304 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:41:19,307 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (39)] Forceful destruction successful, exit code 0 [2024-11-08 23:41:19,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:41:19,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 62 states and 89 transitions. [2024-11-08 23:41:19,318 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 89 transitions. [2024-11-08 23:41:19,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:41:19,318 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:41:19,318 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:41:19,319 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:41:19,319 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:41:19,322 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (40)] Waiting until timeout for monitored process [2024-11-08 23:41:19,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:19,575 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:41:19,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:19,602 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:41:19,604 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:41:19,813 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:41:19,816 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (40)] Forceful destruction successful, exit code 0 [2024-11-08 23:41:19,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:41:19,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 62 states and 89 transitions. [2024-11-08 23:41:19,826 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 89 transitions. [2024-11-08 23:41:19,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:41:19,827 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:41:19,827 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:41:19,827 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:41:19,833 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:41:19,835 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (41)] Waiting until timeout for monitored process [2024-11-08 23:41:20,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:20,095 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:41:20,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:20,118 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:41:20,119 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:41:20,347 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:41:20,350 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (41)] Forceful destruction successful, exit code 0 [2024-11-08 23:41:20,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:41:20,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 62 states and 89 transitions. [2024-11-08 23:41:20,360 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 89 transitions. [2024-11-08 23:41:20,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:41:20,361 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:41:20,361 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:41:20,361 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:41:20,368 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:41:20,371 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (42)] Waiting until timeout for monitored process [2024-11-08 23:41:20,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:20,623 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:41:20,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:20,650 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:41:20,652 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:41:20,876 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:41:20,879 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (42)] Ended with exit code 0 [2024-11-08 23:41:20,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:41:20,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 62 states and 89 transitions. [2024-11-08 23:41:20,889 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 89 transitions. [2024-11-08 23:41:20,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:41:20,889 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:41:20,889 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:41:20,889 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:41:20,891 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:41:20,893 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (43)] Waiting until timeout for monitored process [2024-11-08 23:41:21,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:21,158 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:41:21,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:21,186 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:41:21,188 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:41:21,369 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:41:21,371 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (43)] Forceful destruction successful, exit code 0 [2024-11-08 23:41:21,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:41:21,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 62 states and 89 transitions. [2024-11-08 23:41:21,381 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 89 transitions. [2024-11-08 23:41:21,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:41:21,382 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:41:21,382 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:41:21,382 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:41:21,383 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:41:21,385 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (44)] Waiting until timeout for monitored process [2024-11-08 23:41:21,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:21,649 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:41:21,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:21,673 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:41:21,674 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:41:21,848 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:41:21,851 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (44)] Ended with exit code 0 [2024-11-08 23:41:21,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:41:21,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 62 states and 89 transitions. [2024-11-08 23:41:21,866 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 89 transitions. [2024-11-08 23:41:21,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:41:21,866 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:41:21,866 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:41:21,866 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:41:21,869 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:41:21,870 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (45)] Waiting until timeout for monitored process [2024-11-08 23:41:22,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:22,127 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:41:22,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:22,152 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:41:22,153 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:41:22,443 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:41:22,451 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (45)] Forceful destruction successful, exit code 0 [2024-11-08 23:41:22,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:41:22,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 62 states and 89 transitions. [2024-11-08 23:41:22,463 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 89 transitions. [2024-11-08 23:41:22,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:41:22,464 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:41:22,464 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:41:22,464 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:41:22,467 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:41:22,468 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (46)] Waiting until timeout for monitored process [2024-11-08 23:41:22,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:22,807 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:41:22,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:22,834 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:41:22,836 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:41:23,138 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:41:23,141 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (46)] Forceful destruction successful, exit code 0 [2024-11-08 23:41:23,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:41:23,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 62 states and 89 transitions. [2024-11-08 23:41:23,152 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 89 transitions. [2024-11-08 23:41:23,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:41:23,152 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:41:23,152 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:41:23,153 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:41:23,154 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:41:23,156 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (47)] Waiting until timeout for monitored process [2024-11-08 23:41:23,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:23,410 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:41:23,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:23,435 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:41:23,436 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:41:23,625 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:41:23,627 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (47)] Ended with exit code 0 [2024-11-08 23:41:23,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:41:23,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 62 states and 89 transitions. [2024-11-08 23:41:23,637 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 89 transitions. [2024-11-08 23:41:23,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:41:23,638 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:41:23,638 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:41:23,638 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:41:23,641 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:41:23,643 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (48)] Waiting until timeout for monitored process [2024-11-08 23:41:23,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:23,910 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:41:23,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:23,937 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:41:23,938 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:41:24,180 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:41:24,183 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (48)] Forceful destruction successful, exit code 0 [2024-11-08 23:41:24,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:41:24,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 62 states and 89 transitions. [2024-11-08 23:41:24,195 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 89 transitions. [2024-11-08 23:41:24,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:41:24,195 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:41:24,195 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:41:24,195 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:41:24,196 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:41:24,198 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (49)] Waiting until timeout for monitored process [2024-11-08 23:41:24,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:24,491 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:41:24,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:24,524 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:41:24,528 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:41:24,754 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:41:24,759 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (49)] Ended with exit code 0 [2024-11-08 23:41:24,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:41:24,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 62 states and 89 transitions. [2024-11-08 23:41:24,770 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 89 transitions. [2024-11-08 23:41:24,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:41:24,770 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:41:24,770 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:41:24,770 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:41:24,773 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:41:24,777 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (50)] Waiting until timeout for monitored process [2024-11-08 23:41:25,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:25,055 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:41:25,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:25,081 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:41:25,082 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:41:25,309 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:41:25,311 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (50)] Forceful destruction successful, exit code 0 [2024-11-08 23:41:25,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:41:25,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 62 states and 89 transitions. [2024-11-08 23:41:25,321 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 89 transitions. [2024-11-08 23:41:25,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:41:25,322 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:41:25,322 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:41:25,322 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:41:25,323 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:41:25,325 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (51)] Waiting until timeout for monitored process [2024-11-08 23:41:25,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:25,594 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:41:25,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:25,622 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:41:25,623 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:41:25,852 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:41:25,855 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (51)] Forceful destruction successful, exit code 0 [2024-11-08 23:41:25,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:41:25,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 62 states and 89 transitions. [2024-11-08 23:41:25,866 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 89 transitions. [2024-11-08 23:41:25,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:41:25,867 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:41:25,867 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:41:25,867 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:41:25,868 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:41:25,870 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (52)] Waiting until timeout for monitored process [2024-11-08 23:41:26,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:26,149 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:41:26,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:26,182 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:41:26,185 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:41:26,427 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:41:26,430 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (52)] Ended with exit code 0 [2024-11-08 23:41:26,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:41:26,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 62 states and 89 transitions. [2024-11-08 23:41:26,445 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 89 transitions. [2024-11-08 23:41:26,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:41:26,445 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:41:26,445 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:41:26,445 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:41:26,447 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:41:26,448 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (53)] Waiting until timeout for monitored process [2024-11-08 23:41:26,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:26,720 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:41:26,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:26,745 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:41:26,746 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:41:26,915 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:41:26,918 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (53)] Forceful destruction successful, exit code 0 [2024-11-08 23:41:26,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:41:26,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 62 states and 89 transitions. [2024-11-08 23:41:26,928 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 89 transitions. [2024-11-08 23:41:26,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:41:26,929 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:41:26,929 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:41:26,929 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:41:26,933 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:41:26,934 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (54)] Waiting until timeout for monitored process [2024-11-08 23:41:27,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:27,208 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:41:27,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:27,243 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:41:27,245 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:41:27,519 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:41:27,522 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (54)] Forceful destruction successful, exit code 0 [2024-11-08 23:41:27,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:41:27,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 62 states and 89 transitions. [2024-11-08 23:41:27,534 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 89 transitions. [2024-11-08 23:41:27,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:41:27,534 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:41:27,535 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:41:27,535 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:41:27,536 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:41:27,538 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (55)] Waiting until timeout for monitored process [2024-11-08 23:41:27,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:27,795 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:41:27,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:27,821 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:41:27,822 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:41:27,994 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:41:27,997 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (55)] Ended with exit code 0 [2024-11-08 23:41:28,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:41:28,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 62 states and 89 transitions. [2024-11-08 23:41:28,007 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 89 transitions. [2024-11-08 23:41:28,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:41:28,008 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:41:28,008 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:41:28,008 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:41:28,011 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:41:28,012 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (56)] Waiting until timeout for monitored process [2024-11-08 23:41:28,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:28,278 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:41:28,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:28,301 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:41:28,302 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:41:28,539 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:41:28,541 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (56)] Forceful destruction successful, exit code 0 [2024-11-08 23:41:28,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:41:28,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 62 states and 89 transitions. [2024-11-08 23:41:28,551 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 89 transitions. [2024-11-08 23:41:28,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:41:28,551 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:41:28,552 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:41:28,552 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:41:28,557 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:41:28,559 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (57)] Waiting until timeout for monitored process [2024-11-08 23:41:28,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:28,840 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:41:28,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:28,868 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:41:28,869 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:41:29,056 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:41:29,059 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (57)] Forceful destruction successful, exit code 0 [2024-11-08 23:41:29,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:41:29,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 62 states and 89 transitions. [2024-11-08 23:41:29,074 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 89 transitions. [2024-11-08 23:41:29,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:41:29,074 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:41:29,074 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:41:29,074 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:41:29,075 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:41:29,077 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (58)] Waiting until timeout for monitored process [2024-11-08 23:41:29,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:29,345 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:41:29,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:29,381 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:41:29,382 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:41:29,586 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:41:29,591 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (58)] Ended with exit code 0 [2024-11-08 23:41:29,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:41:29,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 62 states and 89 transitions. [2024-11-08 23:41:29,604 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 89 transitions. [2024-11-08 23:41:29,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:41:29,604 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:41:29,604 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:41:29,605 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:41:29,608 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:41:29,611 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (59)] Waiting until timeout for monitored process [2024-11-08 23:41:29,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:29,916 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:41:29,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:29,944 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:41:29,945 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:41:30,155 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:41:30,158 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (59)] Forceful destruction successful, exit code 0 [2024-11-08 23:41:30,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:41:30,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 62 states and 89 transitions. [2024-11-08 23:41:30,168 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 89 transitions. [2024-11-08 23:41:30,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:41:30,169 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:41:30,169 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:41:30,169 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:41:30,174 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:41:30,176 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (60)] Waiting until timeout for monitored process [2024-11-08 23:41:30,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:30,459 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:41:30,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:30,494 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:41:30,495 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:41:30,704 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:41:30,707 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (60)] Forceful destruction successful, exit code 0 [2024-11-08 23:41:30,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:41:30,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 62 states and 89 transitions. [2024-11-08 23:41:30,717 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 89 transitions. [2024-11-08 23:41:30,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:41:30,718 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:41:30,718 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:41:30,718 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:41:30,721 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:41:30,722 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (61)] Waiting until timeout for monitored process [2024-11-08 23:41:31,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:31,010 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:41:31,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:31,036 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:41:31,037 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:41:31,213 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:41:31,215 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (61)] Ended with exit code 0 [2024-11-08 23:41:31,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:41:31,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 62 states and 89 transitions. [2024-11-08 23:41:31,225 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 89 transitions. [2024-11-08 23:41:31,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:41:31,226 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:41:31,226 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:41:31,226 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:41:31,227 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:41:31,229 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (62)] Waiting until timeout for monitored process [2024-11-08 23:41:31,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:31,512 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:41:31,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:31,539 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:41:31,541 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:41:31,825 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:41:31,829 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (62)] Ended with exit code 0 [2024-11-08 23:41:31,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:41:31,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 62 states and 89 transitions. [2024-11-08 23:41:31,841 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 89 transitions. [2024-11-08 23:41:31,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:41:31,841 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:41:31,842 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:41:31,842 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:41:31,843 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:41:31,844 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (63)] Waiting until timeout for monitored process [2024-11-08 23:41:32,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:32,169 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:41:32,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:32,195 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:41:32,197 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:41:32,368 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:41:32,371 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (63)] Forceful destruction successful, exit code 0 [2024-11-08 23:41:32,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:41:32,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 62 states and 89 transitions. [2024-11-08 23:41:32,381 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 89 transitions. [2024-11-08 23:41:32,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:41:32,382 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:41:32,382 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:41:32,382 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:41:32,388 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:41:32,391 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (64)] Waiting until timeout for monitored process [2024-11-08 23:41:32,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:32,796 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:41:32,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:32,831 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:41:32,832 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:41:33,031 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:41:33,033 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (64)] Ended with exit code 0 [2024-11-08 23:41:33,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:41:33,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 62 states and 89 transitions. [2024-11-08 23:41:33,045 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 89 transitions. [2024-11-08 23:41:33,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:41:33,045 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:41:33,045 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:41:33,046 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:41:33,048 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:41:33,049 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (65)] Waiting until timeout for monitored process [2024-11-08 23:41:33,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:33,332 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:41:33,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:33,361 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:41:33,363 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:41:33,557 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:41:33,560 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (65)] Ended with exit code 0 [2024-11-08 23:41:33,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:41:33,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 62 states and 89 transitions. [2024-11-08 23:41:33,570 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 89 transitions. [2024-11-08 23:41:33,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:41:33,570 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:41:33,570 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:41:33,570 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:41:33,573 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:41:33,574 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (66)] Waiting until timeout for monitored process [2024-11-08 23:41:33,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:33,860 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:41:33,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:33,889 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:41:33,890 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:41:34,056 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:41:34,058 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (66)] Ended with exit code 0 [2024-11-08 23:41:34,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:41:34,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 62 states and 89 transitions. [2024-11-08 23:41:34,069 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 89 transitions. [2024-11-08 23:41:34,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:41:34,070 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:41:34,070 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:41:34,070 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:41:34,071 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:41:34,073 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (67)] Waiting until timeout for monitored process [2024-11-08 23:41:34,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:34,358 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:41:34,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:34,382 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:41:34,384 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:41:34,607 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:41:34,610 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (67)] Forceful destruction successful, exit code 0 [2024-11-08 23:41:34,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:41:34,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 62 states and 89 transitions. [2024-11-08 23:41:34,620 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 89 transitions. [2024-11-08 23:41:34,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:41:34,621 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:41:34,621 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:41:34,621 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:41:34,622 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:41:34,623 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (68)] Waiting until timeout for monitored process [2024-11-08 23:41:34,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:34,906 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:41:34,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:34,929 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:41:34,931 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:41:35,157 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:41:35,160 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (68)] Ended with exit code 0 [2024-11-08 23:41:35,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:41:35,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 62 states and 89 transitions. [2024-11-08 23:41:35,177 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 89 transitions. [2024-11-08 23:41:35,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:41:35,177 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:41:35,177 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:41:35,177 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:41:35,183 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:41:35,185 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (69)] Waiting until timeout for monitored process [2024-11-08 23:41:35,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:35,476 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:41:35,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:35,500 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:41:35,501 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:41:35,647 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:41:35,650 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (69)] Forceful destruction successful, exit code 0 [2024-11-08 23:41:35,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:41:35,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 62 states and 89 transitions. [2024-11-08 23:41:35,661 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 89 transitions. [2024-11-08 23:41:35,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:41:35,661 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:41:35,661 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:41:35,661 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:41:35,662 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:41:35,664 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (70)] Waiting until timeout for monitored process [2024-11-08 23:41:35,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:35,951 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:41:35,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:35,974 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:41:35,976 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:41:36,175 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:41:36,177 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (70)] Ended with exit code 0 [2024-11-08 23:41:36,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:41:36,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 62 states and 89 transitions. [2024-11-08 23:41:36,188 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 89 transitions. [2024-11-08 23:41:36,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:41:36,188 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:41:36,188 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:41:36,188 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:41:36,189 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:41:36,191 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (71)] Waiting until timeout for monitored process [2024-11-08 23:41:36,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:36,484 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:41:36,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:36,512 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:41:36,514 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:41:36,735 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:41:36,738 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (71)] Forceful destruction successful, exit code 0 [2024-11-08 23:41:36,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:41:36,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 62 states and 89 transitions. [2024-11-08 23:41:36,754 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 89 transitions. [2024-11-08 23:41:36,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:41:36,754 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:41:36,754 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:41:36,755 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:41:36,757 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:41:36,759 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (72)] Waiting until timeout for monitored process [2024-11-08 23:41:37,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:37,080 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:41:37,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:37,106 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:41:37,107 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:41:37,337 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:41:37,340 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (72)] Forceful destruction successful, exit code 0 [2024-11-08 23:41:37,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:41:37,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 62 states and 89 transitions. [2024-11-08 23:41:37,350 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 89 transitions. [2024-11-08 23:41:37,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:41:37,350 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:41:37,350 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:41:37,350 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:41:37,353 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:41:37,354 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (73)] Waiting until timeout for monitored process [2024-11-08 23:41:37,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:37,649 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:41:37,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:37,673 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:41:37,674 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:41:37,916 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:41:37,919 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (73)] Forceful destruction successful, exit code 0 [2024-11-08 23:41:37,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:41:37,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 62 states and 89 transitions. [2024-11-08 23:41:37,930 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 89 transitions. [2024-11-08 23:41:37,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:41:37,930 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:41:37,930 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:41:37,930 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:41:37,931 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:41:37,932 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (74)] Waiting until timeout for monitored process [2024-11-08 23:41:38,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:38,282 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:41:38,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:38,311 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:41:38,312 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:41:38,510 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:41:38,513 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (74)] Ended with exit code 0 [2024-11-08 23:41:38,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:41:38,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 62 states and 89 transitions. [2024-11-08 23:41:38,525 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 89 transitions. [2024-11-08 23:41:38,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:41:38,525 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:41:38,525 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:41:38,525 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:41:38,528 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:41:38,530 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (75)] Waiting until timeout for monitored process [2024-11-08 23:41:38,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:38,843 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:41:38,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:38,867 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:41:38,868 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:41:39,096 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:41:39,099 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (75)] Forceful destruction successful, exit code 0 [2024-11-08 23:41:39,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:41:39,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 62 states and 89 transitions. [2024-11-08 23:41:39,113 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 89 transitions. [2024-11-08 23:41:39,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:41:39,114 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:41:39,114 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:41:39,114 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:41:39,115 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:41:39,116 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (76)] Waiting until timeout for monitored process [2024-11-08 23:41:39,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:39,417 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:41:39,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:39,441 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:41:39,442 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:41:39,591 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:41:39,594 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (76)] Ended with exit code 0 [2024-11-08 23:41:39,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:41:39,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 62 states and 89 transitions. [2024-11-08 23:41:39,605 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 89 transitions. [2024-11-08 23:41:39,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:41:39,605 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:41:39,605 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:41:39,605 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:41:39,608 INFO L229 MonitoredProcess]: Starting monitored process 77 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:41:39,609 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (77)] Waiting until timeout for monitored process [2024-11-08 23:41:39,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:39,912 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:41:39,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:39,935 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:41:39,936 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:41:40,114 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:41:40,117 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (77)] Forceful destruction successful, exit code 0 [2024-11-08 23:41:40,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:41:40,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 62 states and 89 transitions. [2024-11-08 23:41:40,128 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 89 transitions. [2024-11-08 23:41:40,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:41:40,128 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:41:40,128 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:41:40,128 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:41:40,129 INFO L229 MonitoredProcess]: Starting monitored process 78 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:41:40,131 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (78)] Waiting until timeout for monitored process [2024-11-08 23:41:40,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:40,425 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:41:40,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:40,456 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:41:40,457 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:41:40,674 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:41:40,677 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (78)] Ended with exit code 0 [2024-11-08 23:41:40,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:41:40,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 62 states and 89 transitions. [2024-11-08 23:41:40,688 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 89 transitions. [2024-11-08 23:41:40,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:41:40,689 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:41:40,689 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:41:40,689 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:41:40,690 INFO L229 MonitoredProcess]: Starting monitored process 79 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:41:40,691 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (79)] Waiting until timeout for monitored process [2024-11-08 23:41:40,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:40,988 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:41:41,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:41,011 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:41:41,012 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:41:41,170 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:41:41,174 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (79)] Ended with exit code 0 [2024-11-08 23:41:41,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:41:41,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 62 states and 89 transitions. [2024-11-08 23:41:41,186 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 89 transitions. [2024-11-08 23:41:41,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:41:41,187 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:41:41,187 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:41:41,187 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:41:41,190 INFO L229 MonitoredProcess]: Starting monitored process 80 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:41:41,195 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (80)] Waiting until timeout for monitored process [2024-11-08 23:41:41,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:41,500 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:41:41,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:41,528 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:41:41,529 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:41:41,705 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:41:41,708 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (80)] Forceful destruction successful, exit code 0 [2024-11-08 23:41:41,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:41:41,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 62 states and 89 transitions. [2024-11-08 23:41:41,718 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 89 transitions. [2024-11-08 23:41:41,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:41:41,719 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:41:41,719 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:41:41,719 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:41:41,723 INFO L229 MonitoredProcess]: Starting monitored process 81 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:41:41,723 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (81)] Waiting until timeout for monitored process [2024-11-08 23:41:42,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:42,023 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:41:42,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:42,048 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:41:42,050 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:41:42,231 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:41:42,234 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (81)] Ended with exit code 0 [2024-11-08 23:41:42,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:41:42,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 62 states and 89 transitions. [2024-11-08 23:41:42,245 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 89 transitions. [2024-11-08 23:41:42,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:41:42,246 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:41:42,246 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:41:42,246 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:41:42,247 INFO L229 MonitoredProcess]: Starting monitored process 82 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:41:42,248 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (82)] Waiting until timeout for monitored process [2024-11-08 23:41:42,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:42,579 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:41:42,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:42,622 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:41:42,623 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:41:42,896 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:41:42,899 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (82)] Forceful destruction successful, exit code 0 [2024-11-08 23:41:42,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:41:42,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 62 states and 89 transitions. [2024-11-08 23:41:42,909 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 89 transitions. [2024-11-08 23:41:42,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:41:42,910 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:41:42,910 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:41:42,910 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:41:42,911 INFO L229 MonitoredProcess]: Starting monitored process 83 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:41:42,912 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (83)] Waiting until timeout for monitored process [2024-11-08 23:41:43,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:43,212 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:41:43,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:43,237 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:41:43,238 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:41:43,429 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:41:43,431 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (83)] Ended with exit code 0 [2024-11-08 23:41:43,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:41:43,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 62 states and 89 transitions. [2024-11-08 23:41:43,441 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 89 transitions. [2024-11-08 23:41:43,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:41:43,442 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:41:43,442 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:41:43,442 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:41:43,445 INFO L229 MonitoredProcess]: Starting monitored process 84 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:41:43,447 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (84)] Waiting until timeout for monitored process [2024-11-08 23:41:43,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:43,766 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:41:43,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:43,791 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:41:43,792 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:41:44,019 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:41:44,022 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (84)] Forceful destruction successful, exit code 0 [2024-11-08 23:41:44,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:41:44,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 62 states and 89 transitions. [2024-11-08 23:41:44,033 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 89 transitions. [2024-11-08 23:41:44,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:41:44,033 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:41:44,033 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:41:44,034 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:41:44,037 INFO L229 MonitoredProcess]: Starting monitored process 85 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:41:44,040 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (85)] Waiting until timeout for monitored process [2024-11-08 23:41:44,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:44,386 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:41:44,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:44,410 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:41:44,411 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:41:44,573 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:41:44,576 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (85)] Forceful destruction successful, exit code 0 [2024-11-08 23:41:44,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:41:44,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 62 states and 89 transitions. [2024-11-08 23:41:44,585 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 89 transitions. [2024-11-08 23:41:44,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:41:44,586 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:41:44,586 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:41:44,586 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:41:44,589 INFO L229 MonitoredProcess]: Starting monitored process 86 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:41:44,592 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (86)] Waiting until timeout for monitored process [2024-11-08 23:41:44,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:44,908 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:41:44,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:44,932 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:41:44,933 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:41:45,233 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:41:45,240 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (86)] Forceful destruction successful, exit code 0 [2024-11-08 23:41:45,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:41:45,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 62 states and 89 transitions. [2024-11-08 23:41:45,252 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 89 transitions. [2024-11-08 23:41:45,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:41:45,253 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:41:45,253 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:41:45,253 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:41:45,256 INFO L229 MonitoredProcess]: Starting monitored process 87 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:41:45,257 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (87)] Waiting until timeout for monitored process [2024-11-08 23:41:45,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:45,577 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:41:45,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:45,602 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:41:45,603 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:41:45,832 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:41:45,836 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (87)] Ended with exit code 0 [2024-11-08 23:41:45,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:41:45,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 62 states and 89 transitions. [2024-11-08 23:41:45,846 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 89 transitions. [2024-11-08 23:41:45,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:41:45,846 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:41:45,846 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:41:45,847 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:41:45,852 INFO L229 MonitoredProcess]: Starting monitored process 88 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:41:45,854 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (88)] Waiting until timeout for monitored process [2024-11-08 23:41:46,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:46,175 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:41:46,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:46,200 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:41:46,201 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:41:46,515 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:41:46,518 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (88)] Ended with exit code 0 [2024-11-08 23:41:46,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:41:46,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 62 states and 89 transitions. [2024-11-08 23:41:46,527 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 89 transitions. [2024-11-08 23:41:46,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:41:46,528 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:41:46,528 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:41:46,528 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:41:46,532 INFO L229 MonitoredProcess]: Starting monitored process 89 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:41:46,533 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (89)] Waiting until timeout for monitored process [2024-11-08 23:41:46,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:46,845 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:41:46,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:46,879 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:41:46,880 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:41:47,067 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:41:47,070 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (89)] Forceful destruction successful, exit code 0 [2024-11-08 23:41:47,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:41:47,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 62 states and 89 transitions. [2024-11-08 23:41:47,082 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 89 transitions. [2024-11-08 23:41:47,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:41:47,082 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:41:47,082 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:41:47,083 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:41:47,088 INFO L229 MonitoredProcess]: Starting monitored process 90 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:41:47,089 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (90)] Waiting until timeout for monitored process [2024-11-08 23:41:47,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:47,412 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:41:47,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:47,437 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:41:47,438 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:41:47,657 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:41:47,660 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (90)] Ended with exit code 0 [2024-11-08 23:41:47,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:41:47,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 62 states and 89 transitions. [2024-11-08 23:41:47,671 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 89 transitions. [2024-11-08 23:41:47,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:41:47,671 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:41:47,672 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:41:47,672 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:41:47,673 INFO L229 MonitoredProcess]: Starting monitored process 91 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:41:47,674 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (91)] Waiting until timeout for monitored process [2024-11-08 23:41:47,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:47,991 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:41:48,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:48,017 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:41:48,018 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:41:48,266 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:41:48,269 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (91)] Ended with exit code 0 [2024-11-08 23:41:48,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:41:48,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 62 states and 89 transitions. [2024-11-08 23:41:48,279 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 89 transitions. [2024-11-08 23:41:48,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:41:48,280 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:41:48,280 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:41:48,280 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:41:48,283 INFO L229 MonitoredProcess]: Starting monitored process 92 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:41:48,285 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (92)] Waiting until timeout for monitored process [2024-11-08 23:41:48,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:48,619 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:41:48,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:48,642 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-08 23:41:48,643 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:41:49,067 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:41:49,070 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (92)] Forceful destruction successful, exit code 0 [2024-11-08 23:41:50,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:41:50,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:41:50,348 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:41:50,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:41:50,349 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:41:50,349 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:41:50,349 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:41:50,350 INFO L229 MonitoredProcess]: Starting monitored process 93 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:41:50,351 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (93)] Waiting until timeout for monitored process [2024-11-08 23:41:50,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:50,687 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:41:50,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:50,712 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:41:50,713 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:41:50,932 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:41:50,935 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (93)] Forceful destruction successful, exit code 0 [2024-11-08 23:41:50,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:41:50,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:41:50,944 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:41:50,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:41:50,945 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:41:50,945 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:41:50,945 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:41:50,946 INFO L229 MonitoredProcess]: Starting monitored process 94 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:41:50,947 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (94)] Waiting until timeout for monitored process [2024-11-08 23:41:51,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:51,285 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:41:51,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:51,308 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:41:51,309 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:41:51,507 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:41:51,510 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (94)] Ended with exit code 0 [2024-11-08 23:41:51,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:41:51,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:41:51,517 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:41:51,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:41:51,518 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:41:51,518 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:41:51,518 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:41:51,519 INFO L229 MonitoredProcess]: Starting monitored process 95 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:41:51,521 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (95)] Waiting until timeout for monitored process [2024-11-08 23:41:51,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:51,847 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:41:51,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:51,882 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:41:51,883 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:41:52,141 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:41:52,144 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (95)] Ended with exit code 0 [2024-11-08 23:41:52,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:41:52,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:41:52,152 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:41:52,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:41:52,153 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:41:52,153 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:41:52,153 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:41:52,157 INFO L229 MonitoredProcess]: Starting monitored process 96 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:41:52,160 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (96)] Waiting until timeout for monitored process [2024-11-08 23:41:52,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:52,494 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:41:52,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:52,521 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:41:52,523 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:41:52,781 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:41:52,784 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (96)] Forceful destruction successful, exit code 0 [2024-11-08 23:41:52,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:41:52,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:41:52,793 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:41:52,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:41:52,794 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:41:52,794 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:41:52,794 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:41:52,795 INFO L229 MonitoredProcess]: Starting monitored process 97 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:41:52,796 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (97)] Waiting until timeout for monitored process [2024-11-08 23:41:53,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:53,133 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:41:53,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:53,159 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:41:53,160 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:41:53,363 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:41:53,366 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (97)] Ended with exit code 0 [2024-11-08 23:41:53,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:41:53,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:41:53,375 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:41:53,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:41:53,375 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:41:53,376 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:41:53,376 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:41:53,379 INFO L229 MonitoredProcess]: Starting monitored process 98 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:41:53,380 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (98)] Waiting until timeout for monitored process [2024-11-08 23:41:53,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:53,712 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:41:53,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:53,735 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:41:53,736 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:41:53,959 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:41:53,962 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (98)] Forceful destruction successful, exit code 0 [2024-11-08 23:41:53,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:41:53,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:41:53,971 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:41:53,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:41:53,971 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:41:53,971 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:41:53,971 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:41:53,975 INFO L229 MonitoredProcess]: Starting monitored process 99 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:41:53,977 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (99)] Waiting until timeout for monitored process [2024-11-08 23:41:54,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:54,328 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:41:54,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:54,353 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:41:54,354 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:41:54,566 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:41:54,569 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (99)] Forceful destruction successful, exit code 0 [2024-11-08 23:41:54,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:41:54,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:41:54,577 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:41:54,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:41:54,578 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:41:54,578 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:41:54,578 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:41:54,583 INFO L229 MonitoredProcess]: Starting monitored process 100 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:41:54,585 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (100)] Waiting until timeout for monitored process [2024-11-08 23:41:54,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:54,929 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:41:54,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:54,954 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:41:54,955 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:41:55,176 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:41:55,178 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (100)] Ended with exit code 0 [2024-11-08 23:41:55,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:41:55,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:41:55,187 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:41:55,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:41:55,188 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:41:55,188 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:41:55,188 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:41:55,189 INFO L229 MonitoredProcess]: Starting monitored process 101 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:41:55,191 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (101)] Waiting until timeout for monitored process [2024-11-08 23:41:55,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:55,524 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:41:55,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:55,546 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:41:55,547 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:41:55,752 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:41:55,756 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (101)] Ended with exit code 0 [2024-11-08 23:41:55,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:41:55,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:41:55,764 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:41:55,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:41:55,764 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:41:55,764 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:41:55,765 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:41:55,767 INFO L229 MonitoredProcess]: Starting monitored process 102 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:41:55,768 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (102)] Waiting until timeout for monitored process [2024-11-08 23:41:56,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:56,102 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:41:56,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:56,126 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:41:56,127 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:41:56,348 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:41:56,351 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (102)] Ended with exit code 0 [2024-11-08 23:41:56,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:41:56,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:41:56,359 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:41:56,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:41:56,360 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:41:56,360 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:41:56,360 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:41:56,364 INFO L229 MonitoredProcess]: Starting monitored process 103 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:41:56,365 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (103)] Waiting until timeout for monitored process [2024-11-08 23:41:56,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:56,702 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:41:56,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:56,725 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:41:56,726 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:41:56,941 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:41:56,944 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (103)] Ended with exit code 0 [2024-11-08 23:41:56,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:41:56,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:41:56,952 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:41:56,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:41:56,953 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:41:56,953 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:41:56,953 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:41:56,956 INFO L229 MonitoredProcess]: Starting monitored process 104 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:41:56,957 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (104)] Waiting until timeout for monitored process [2024-11-08 23:41:57,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:57,300 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:41:57,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:57,324 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:41:57,326 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:41:57,552 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:41:57,555 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (104)] Ended with exit code 0 [2024-11-08 23:41:57,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:41:57,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:41:57,563 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:41:57,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:41:57,564 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:41:57,564 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:41:57,564 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:41:57,566 INFO L229 MonitoredProcess]: Starting monitored process 105 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:41:57,567 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (105)] Waiting until timeout for monitored process [2024-11-08 23:41:57,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:57,913 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:41:57,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:57,938 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:41:57,940 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:41:58,152 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:41:58,155 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (105)] Ended with exit code 0 [2024-11-08 23:41:58,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:41:58,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:41:58,163 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:41:58,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:41:58,164 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:41:58,164 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:41:58,164 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:41:58,165 INFO L229 MonitoredProcess]: Starting monitored process 106 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:41:58,166 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (106)] Waiting until timeout for monitored process [2024-11-08 23:41:58,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:58,506 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:41:58,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:58,536 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:41:58,537 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:41:58,821 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:41:58,824 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (106)] Ended with exit code 0 [2024-11-08 23:41:58,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:41:58,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:41:58,832 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:41:58,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:41:58,833 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:41:58,833 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:41:58,833 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:41:58,834 INFO L229 MonitoredProcess]: Starting monitored process 107 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:41:58,836 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (107)] Waiting until timeout for monitored process [2024-11-08 23:41:59,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:59,180 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:41:59,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:59,204 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:41:59,205 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:41:59,456 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:41:59,459 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (107)] Ended with exit code 0 [2024-11-08 23:41:59,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:41:59,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:41:59,466 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:41:59,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:41:59,467 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:41:59,467 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:41:59,467 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:41:59,468 INFO L229 MonitoredProcess]: Starting monitored process 108 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:41:59,470 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (108)] Waiting until timeout for monitored process [2024-11-08 23:41:59,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:59,814 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:41:59,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:59,840 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:41:59,841 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:42:00,059 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:42:00,063 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (108)] Ended with exit code 0 [2024-11-08 23:42:00,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:42:00,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:42:00,071 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:42:00,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:42:00,072 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:42:00,072 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:42:00,072 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:42:00,075 INFO L229 MonitoredProcess]: Starting monitored process 109 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:42:00,075 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (109)] Waiting until timeout for monitored process [2024-11-08 23:42:00,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:42:00,414 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:42:00,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:42:00,445 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:42:00,447 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:42:00,689 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:42:00,692 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (109)] Ended with exit code 0 [2024-11-08 23:42:00,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:42:00,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:42:00,700 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:42:00,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:42:00,701 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:42:00,701 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:42:00,701 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:42:00,702 INFO L229 MonitoredProcess]: Starting monitored process 110 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:42:00,706 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (110)] Waiting until timeout for monitored process [2024-11-08 23:42:01,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:42:01,060 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:42:01,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:42:01,086 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:42:01,087 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:42:01,266 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:42:01,270 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (110)] Ended with exit code 0 [2024-11-08 23:42:01,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:42:01,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:42:01,277 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:42:01,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:42:01,277 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:42:01,278 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:42:01,278 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:42:01,279 INFO L229 MonitoredProcess]: Starting monitored process 111 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:42:01,281 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (111)] Waiting until timeout for monitored process [2024-11-08 23:42:01,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:42:01,700 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:42:01,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:42:01,755 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:42:01,756 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:42:01,994 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:42:01,997 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (111)] Ended with exit code 0 [2024-11-08 23:42:02,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:42:02,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:42:02,009 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:42:02,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:42:02,009 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:42:02,010 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:42:02,010 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:42:02,012 INFO L229 MonitoredProcess]: Starting monitored process 112 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:42:02,013 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (112)] Waiting until timeout for monitored process [2024-11-08 23:42:02,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:42:02,374 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:42:02,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:42:02,404 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:42:02,405 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:42:02,725 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:42:02,729 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (112)] Forceful destruction successful, exit code 0 [2024-11-08 23:42:02,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:42:02,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:42:02,738 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:42:02,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:42:02,739 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:42:02,739 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:42:02,739 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:42:02,743 INFO L229 MonitoredProcess]: Starting monitored process 113 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:42:02,747 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (113)] Waiting until timeout for monitored process [2024-11-08 23:42:03,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:42:03,107 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:42:03,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:42:03,132 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:42:03,132 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:42:03,497 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:42:03,501 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (113)] Ended with exit code 0 [2024-11-08 23:42:03,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:42:03,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:42:03,510 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:42:03,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:42:03,511 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:42:03,511 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:42:03,511 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:42:03,514 INFO L229 MonitoredProcess]: Starting monitored process 114 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:42:03,515 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (114)] Waiting until timeout for monitored process [2024-11-08 23:42:03,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:42:03,882 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:42:03,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:42:03,912 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:42:03,913 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:42:04,215 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:42:04,219 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (114)] Forceful destruction successful, exit code 0 [2024-11-08 23:42:04,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:42:04,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:42:04,243 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:42:04,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:42:04,243 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:42:04,243 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:42:04,243 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:42:04,246 INFO L229 MonitoredProcess]: Starting monitored process 115 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:42:04,247 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (115)] Waiting until timeout for monitored process [2024-11-08 23:42:04,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:42:04,610 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:42:04,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:42:04,650 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:42:04,651 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:42:04,872 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:42:04,876 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (115)] Ended with exit code 0 [2024-11-08 23:42:04,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:42:04,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:42:04,885 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:42:04,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:42:04,886 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:42:04,886 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:42:04,886 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:42:04,889 INFO L229 MonitoredProcess]: Starting monitored process 116 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:42:04,890 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (116)] Waiting until timeout for monitored process [2024-11-08 23:42:05,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:42:05,256 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:42:05,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:42:05,279 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:42:05,280 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:42:05,502 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:42:05,506 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (116)] Ended with exit code 0 [2024-11-08 23:42:05,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:42:05,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:42:05,514 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:42:05,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:42:05,514 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:42:05,514 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:42:05,514 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:42:05,518 INFO L229 MonitoredProcess]: Starting monitored process 117 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:42:05,519 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (117)] Waiting until timeout for monitored process [2024-11-08 23:42:05,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:42:05,918 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:42:05,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:42:05,943 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:42:05,944 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:42:06,147 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:42:06,150 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (117)] Forceful destruction successful, exit code 0 [2024-11-08 23:42:06,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:42:06,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:42:06,158 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:42:06,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:42:06,158 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:42:06,158 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:42:06,158 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:42:06,159 INFO L229 MonitoredProcess]: Starting monitored process 118 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:42:06,160 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (118)] Waiting until timeout for monitored process [2024-11-08 23:42:06,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:42:06,519 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:42:06,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:42:06,541 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:42:06,542 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:42:06,776 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:42:06,779 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (118)] Ended with exit code 0 [2024-11-08 23:42:06,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:42:06,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:42:06,786 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:42:06,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:42:06,787 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:42:06,787 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:42:06,787 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:42:06,788 INFO L229 MonitoredProcess]: Starting monitored process 119 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:42:06,789 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (119)] Waiting until timeout for monitored process [2024-11-08 23:42:07,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:42:07,145 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:42:07,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:42:07,175 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:42:07,176 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:42:07,454 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:42:07,458 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (119)] Ended with exit code 0 [2024-11-08 23:42:07,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:42:07,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:42:07,466 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:42:07,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:42:07,466 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:42:07,467 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:42:07,467 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:42:07,468 INFO L229 MonitoredProcess]: Starting monitored process 120 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:42:07,469 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (120)] Waiting until timeout for monitored process [2024-11-08 23:42:07,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:42:07,828 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:42:07,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:42:07,853 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:42:07,854 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:42:08,061 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:42:08,064 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (120)] Forceful destruction successful, exit code 0 [2024-11-08 23:42:08,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:42:08,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:42:08,071 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:42:08,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:42:08,072 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:42:08,072 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:42:08,072 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:42:08,073 INFO L229 MonitoredProcess]: Starting monitored process 121 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:42:08,074 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (121)] Waiting until timeout for monitored process [2024-11-08 23:42:08,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:42:08,437 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:42:08,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:42:08,460 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:42:08,461 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:42:08,683 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:42:08,686 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (121)] Ended with exit code 0 [2024-11-08 23:42:08,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:42:08,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:42:08,693 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:42:08,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:42:08,693 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:42:08,694 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:42:08,694 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:42:08,695 INFO L229 MonitoredProcess]: Starting monitored process 122 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:42:08,696 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (122)] Waiting until timeout for monitored process [2024-11-08 23:42:09,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:42:09,074 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:42:09,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:42:09,099 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:42:09,100 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:42:09,351 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:42:09,359 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (122)] Ended with exit code 0 [2024-11-08 23:42:09,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:42:09,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:42:09,367 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:42:09,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:42:09,367 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:42:09,367 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:42:09,367 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:42:09,368 INFO L229 MonitoredProcess]: Starting monitored process 123 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:42:09,369 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (123)] Waiting until timeout for monitored process [2024-11-08 23:42:09,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:42:09,774 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:42:09,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:42:09,798 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:42:09,799 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:42:10,042 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:42:10,046 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (123)] Ended with exit code 0 [2024-11-08 23:42:10,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:42:10,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:42:10,053 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:42:10,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:42:10,054 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:42:10,054 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:42:10,054 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:42:10,055 INFO L229 MonitoredProcess]: Starting monitored process 124 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:42:10,056 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (124)] Waiting until timeout for monitored process [2024-11-08 23:42:10,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:42:10,424 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:42:10,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:42:10,447 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:42:10,448 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:42:10,690 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:42:10,693 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (124)] Ended with exit code 0 [2024-11-08 23:42:10,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:42:10,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:42:10,701 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:42:10,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:42:10,701 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:42:10,702 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:42:10,702 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:42:10,703 INFO L229 MonitoredProcess]: Starting monitored process 125 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:42:10,704 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (125)] Waiting until timeout for monitored process [2024-11-08 23:42:11,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:42:11,077 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:42:11,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:42:11,102 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:42:11,103 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:42:11,315 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:42:11,319 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (125)] Ended with exit code 0 [2024-11-08 23:42:11,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:42:11,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:42:11,327 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:42:11,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:42:11,327 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:42:11,327 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:42:11,328 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:42:11,329 INFO L229 MonitoredProcess]: Starting monitored process 126 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:42:11,330 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (126)] Waiting until timeout for monitored process [2024-11-08 23:42:11,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:42:11,698 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:42:11,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:42:11,723 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:42:11,723 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:42:11,953 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:42:11,956 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (126)] Forceful destruction successful, exit code 0 [2024-11-08 23:42:11,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:42:11,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:42:11,963 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:42:11,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:42:11,964 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:42:11,964 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:42:11,964 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:42:11,965 INFO L229 MonitoredProcess]: Starting monitored process 127 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:42:11,967 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (127)] Waiting until timeout for monitored process [2024-11-08 23:42:12,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:42:12,348 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:42:12,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:42:12,372 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:42:12,373 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:42:12,649 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:42:12,654 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (127)] Forceful destruction successful, exit code 0 [2024-11-08 23:42:12,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:42:12,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:42:12,668 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:42:12,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:42:12,669 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:42:12,669 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:42:12,669 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:42:12,671 INFO L229 MonitoredProcess]: Starting monitored process 128 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:42:12,673 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (128)] Waiting until timeout for monitored process [2024-11-08 23:42:13,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:42:13,074 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:42:13,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:42:13,096 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:42:13,097 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:42:13,310 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:42:13,314 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (128)] Ended with exit code 0 [2024-11-08 23:42:13,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:42:13,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:42:13,321 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:42:13,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:42:13,322 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:42:13,322 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:42:13,322 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:42:13,325 INFO L229 MonitoredProcess]: Starting monitored process 129 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:42:13,326 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (129)] Waiting until timeout for monitored process [2024-11-08 23:42:13,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:42:13,705 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:42:13,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:42:13,734 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:42:13,735 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:42:13,939 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:42:13,944 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (129)] Forceful destruction successful, exit code 0 [2024-11-08 23:42:13,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:42:13,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:42:13,953 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:42:13,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:42:13,953 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:42:13,953 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:42:13,953 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:42:13,954 INFO L229 MonitoredProcess]: Starting monitored process 130 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:42:13,956 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (130)] Waiting until timeout for monitored process [2024-11-08 23:42:14,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:42:14,332 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:42:14,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:42:14,363 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:42:14,365 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:42:14,647 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:42:14,652 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (130)] Forceful destruction successful, exit code 0 [2024-11-08 23:42:14,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:42:14,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:42:14,659 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:42:14,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:42:14,660 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:42:14,660 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:42:14,660 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:42:14,663 INFO L229 MonitoredProcess]: Starting monitored process 131 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:42:14,668 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (131)] Waiting until timeout for monitored process [2024-11-08 23:42:15,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:42:15,076 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:42:15,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:42:15,102 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:42:15,103 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:42:15,288 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:42:15,291 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (131)] Forceful destruction successful, exit code 0 [2024-11-08 23:42:15,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:42:15,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:42:15,299 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:42:15,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:42:15,299 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:42:15,300 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:42:15,300 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:42:15,301 INFO L229 MonitoredProcess]: Starting monitored process 132 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:42:15,302 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (132)] Waiting until timeout for monitored process [2024-11-08 23:42:15,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:42:15,710 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:42:15,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:42:15,733 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:42:15,734 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:42:15,959 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:42:15,962 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (132)] Forceful destruction successful, exit code 0 [2024-11-08 23:42:15,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:42:15,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:42:15,970 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:42:15,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:42:15,970 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:42:15,971 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:42:15,971 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:42:15,972 INFO L229 MonitoredProcess]: Starting monitored process 133 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:42:15,973 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (133)] Waiting until timeout for monitored process [2024-11-08 23:42:16,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:42:16,355 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:42:16,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:42:16,377 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:42:16,378 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:42:16,583 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:42:16,586 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (133)] Ended with exit code 0 [2024-11-08 23:42:16,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:42:16,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:42:16,594 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:42:16,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:42:16,594 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:42:16,594 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:42:16,594 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:42:16,595 INFO L229 MonitoredProcess]: Starting monitored process 134 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:42:16,596 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (134)] Waiting until timeout for monitored process [2024-11-08 23:42:16,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:42:16,978 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:42:17,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:42:17,047 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-08 23:42:17,048 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:42:17,395 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:42:17,399 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (134)] Ended with exit code 0 [2024-11-08 23:42:17,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:42:17,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:42:17,488 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:42:17,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:42:17,488 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:42:17,488 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:42:17,488 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:42:17,489 INFO L229 MonitoredProcess]: Starting monitored process 135 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:42:17,490 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (135)] Waiting until timeout for monitored process [2024-11-08 23:42:17,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:42:17,879 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:42:17,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:42:17,904 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:42:17,905 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:42:18,117 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:42:18,120 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (135)] Ended with exit code 0 [2024-11-08 23:42:18,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:42:18,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:42:18,128 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:42:18,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:42:18,129 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:42:18,129 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:42:18,129 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:42:18,130 INFO L229 MonitoredProcess]: Starting monitored process 136 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:42:18,131 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (136)] Waiting until timeout for monitored process [2024-11-08 23:42:18,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:42:18,530 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:42:18,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:42:18,553 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:42:18,554 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:42:18,783 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:42:18,787 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (136)] Ended with exit code 0 [2024-11-08 23:42:18,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:42:18,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:42:18,795 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:42:18,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:42:18,795 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:42:18,795 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:42:18,796 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:42:18,796 INFO L229 MonitoredProcess]: Starting monitored process 137 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:42:18,798 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (137)] Waiting until timeout for monitored process [2024-11-08 23:42:19,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:42:19,182 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:42:19,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:42:19,206 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:42:19,206 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:42:19,419 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:42:19,423 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (137)] Forceful destruction successful, exit code 0 [2024-11-08 23:42:19,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:42:19,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:42:19,431 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:42:19,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:42:19,431 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:42:19,431 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:42:19,431 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:42:19,434 INFO L229 MonitoredProcess]: Starting monitored process 138 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:42:19,435 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (138)] Waiting until timeout for monitored process [2024-11-08 23:42:19,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:42:19,829 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:42:19,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:42:19,857 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:42:19,858 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:42:20,103 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:42:20,106 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (138)] Ended with exit code 0 [2024-11-08 23:42:20,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:42:20,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:42:20,114 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:42:20,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:42:20,115 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:42:20,115 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:42:20,115 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:42:20,116 INFO L229 MonitoredProcess]: Starting monitored process 139 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:42:20,117 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (139)] Waiting until timeout for monitored process [2024-11-08 23:42:20,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:42:20,503 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:42:20,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:42:20,530 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:42:20,531 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:42:20,759 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:42:20,762 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (139)] Ended with exit code 0 [2024-11-08 23:42:20,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:42:20,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:42:20,769 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:42:20,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:42:20,770 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:42:20,770 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:42:20,770 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:42:20,773 INFO L229 MonitoredProcess]: Starting monitored process 140 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:42:20,776 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (140)] Waiting until timeout for monitored process [2024-11-08 23:42:21,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:42:21,160 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:42:21,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:42:21,183 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:42:21,184 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:42:21,404 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:42:21,408 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (140)] Ended with exit code 0 [2024-11-08 23:42:21,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:42:21,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:42:21,416 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:42:21,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:42:21,417 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:42:21,417 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:42:21,417 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:42:21,421 INFO L229 MonitoredProcess]: Starting monitored process 141 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:42:21,422 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (141)] Waiting until timeout for monitored process [2024-11-08 23:42:21,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:42:21,837 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:42:21,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:42:21,862 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:42:21,862 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:42:22,102 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:42:22,105 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (141)] Forceful destruction successful, exit code 0 [2024-11-08 23:42:22,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:42:22,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:42:22,113 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:42:22,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:42:22,113 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:42:22,113 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:42:22,113 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:42:22,114 INFO L229 MonitoredProcess]: Starting monitored process 142 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:42:22,115 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (142)] Waiting until timeout for monitored process [2024-11-08 23:42:22,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:42:22,512 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:42:22,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:42:22,544 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:42:22,545 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:42:22,810 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:42:22,814 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (142)] Ended with exit code 0 [2024-11-08 23:42:22,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:42:22,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:42:22,822 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:42:22,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:42:22,822 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:42:22,822 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:42:22,823 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:42:22,823 INFO L229 MonitoredProcess]: Starting monitored process 143 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:42:22,824 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (143)] Waiting until timeout for monitored process [2024-11-08 23:42:23,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:42:23,221 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:42:23,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:42:23,244 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:42:23,245 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:42:23,449 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:42:23,452 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (143)] Forceful destruction successful, exit code 0 [2024-11-08 23:42:23,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:42:23,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:42:23,460 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:42:23,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:42:23,460 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:42:23,460 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:42:23,460 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:42:23,461 INFO L229 MonitoredProcess]: Starting monitored process 144 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:42:23,463 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (144)] Waiting until timeout for monitored process [2024-11-08 23:42:23,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:42:23,860 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:42:23,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:42:23,884 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:42:23,885 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:42:24,114 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:42:24,121 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (144)] Ended with exit code 0 [2024-11-08 23:42:24,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:42:24,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:42:24,129 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:42:24,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:42:24,129 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:42:24,129 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:42:24,129 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:42:24,135 INFO L229 MonitoredProcess]: Starting monitored process 145 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:42:24,136 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (145)] Waiting until timeout for monitored process [2024-11-08 23:42:24,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:42:24,555 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:42:24,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:42:24,580 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:42:24,581 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:42:24,808 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:42:24,812 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (145)] Forceful destruction successful, exit code 0 [2024-11-08 23:42:24,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:42:24,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:42:24,820 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:42:24,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:42:24,820 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:42:24,821 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:42:24,821 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:42:24,823 INFO L229 MonitoredProcess]: Starting monitored process 146 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:42:24,825 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (146)] Waiting until timeout for monitored process [2024-11-08 23:42:25,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:42:25,296 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:42:25,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:42:25,320 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:42:25,321 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:42:25,525 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:42:25,529 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (146)] Ended with exit code 0 [2024-11-08 23:42:25,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:42:25,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:42:25,536 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:42:25,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:42:25,537 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:42:25,537 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:42:25,537 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:42:25,538 INFO L229 MonitoredProcess]: Starting monitored process 147 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:42:25,539 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (147)] Waiting until timeout for monitored process [2024-11-08 23:42:25,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:42:25,951 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:42:25,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:42:25,976 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:42:25,976 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:42:26,189 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:42:26,192 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (147)] Forceful destruction successful, exit code 0 [2024-11-08 23:42:26,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:42:26,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:42:26,199 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:42:26,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:42:26,199 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:42:26,200 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:42:26,200 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:42:26,201 INFO L229 MonitoredProcess]: Starting monitored process 148 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:42:26,202 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (148)] Waiting until timeout for monitored process [2024-11-08 23:42:26,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:42:26,604 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:42:26,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:42:26,627 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:42:26,628 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:42:26,849 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:42:26,853 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (148)] Ended with exit code 0 [2024-11-08 23:42:26,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:42:26,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:42:26,861 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:42:26,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:42:26,861 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:42:26,861 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:42:26,861 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:42:26,862 INFO L229 MonitoredProcess]: Starting monitored process 149 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:42:26,863 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (149)] Waiting until timeout for monitored process [2024-11-08 23:42:27,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:42:27,267 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:42:27,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:42:27,291 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:42:27,292 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:42:27,632 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:42:27,637 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (149)] Ended with exit code 0 [2024-11-08 23:42:27,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:42:27,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:42:27,646 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:42:27,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:42:27,646 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:42:27,647 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:42:27,647 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:42:27,649 INFO L229 MonitoredProcess]: Starting monitored process 150 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:42:27,650 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (150)] Waiting until timeout for monitored process [2024-11-08 23:42:28,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:42:28,064 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:42:28,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:42:28,086 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:42:28,087 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:42:28,315 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:42:28,319 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (150)] Forceful destruction successful, exit code 0 [2024-11-08 23:42:28,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:42:28,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:42:28,331 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:42:28,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:42:28,332 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:42:28,332 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:42:28,332 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:42:28,335 INFO L229 MonitoredProcess]: Starting monitored process 151 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:42:28,336 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (151)] Waiting until timeout for monitored process [2024-11-08 23:42:28,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:42:28,741 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:42:28,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:42:28,770 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:42:28,771 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:42:29,007 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:42:29,011 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (151)] Forceful destruction successful, exit code 0 [2024-11-08 23:42:29,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:42:29,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:42:29,019 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:42:29,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:42:29,019 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:42:29,019 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:42:29,019 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:42:29,020 INFO L229 MonitoredProcess]: Starting monitored process 152 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:42:29,021 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (152)] Waiting until timeout for monitored process [2024-11-08 23:42:29,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:42:29,430 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:42:29,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:42:29,455 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:42:29,456 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:42:29,697 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:42:29,701 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (152)] Forceful destruction successful, exit code 0 [2024-11-08 23:42:29,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:42:29,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:42:29,709 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:42:29,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:42:29,710 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:42:29,710 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:42:29,710 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:42:29,711 INFO L229 MonitoredProcess]: Starting monitored process 153 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:42:29,712 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (153)] Waiting until timeout for monitored process [2024-11-08 23:42:30,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:42:30,131 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:42:30,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:42:30,156 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:42:30,156 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:42:30,373 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:42:30,377 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (153)] Ended with exit code 0 [2024-11-08 23:42:30,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:42:30,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:42:30,384 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:42:30,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:42:30,385 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:42:30,385 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:42:30,385 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:42:30,386 INFO L229 MonitoredProcess]: Starting monitored process 154 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:42:30,387 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (154)] Waiting until timeout for monitored process [2024-11-08 23:42:30,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:42:30,803 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:42:30,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:42:30,826 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:42:30,826 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:42:31,037 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:42:31,041 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (154)] Ended with exit code 0 [2024-11-08 23:42:31,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:42:31,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:42:31,048 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:42:31,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:42:31,049 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:42:31,049 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:42:31,049 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:42:31,050 INFO L229 MonitoredProcess]: Starting monitored process 155 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:42:31,051 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (155)] Waiting until timeout for monitored process [2024-11-08 23:42:31,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:42:31,463 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:42:31,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:42:31,488 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:42:31,489 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:42:31,725 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:42:31,729 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (155)] Ended with exit code 0 [2024-11-08 23:42:31,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:42:31,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:42:31,737 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:42:31,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:42:31,737 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:42:31,738 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:42:31,738 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:42:31,740 INFO L229 MonitoredProcess]: Starting monitored process 156 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:42:31,741 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (156)] Waiting until timeout for monitored process [2024-11-08 23:42:32,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:42:32,154 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:42:32,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:42:32,177 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:42:32,178 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:42:32,431 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:42:32,434 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (156)] Forceful destruction successful, exit code 0 [2024-11-08 23:42:32,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:42:32,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:42:32,441 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:42:32,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:42:32,442 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:42:32,442 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:42:32,442 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:42:32,443 INFO L229 MonitoredProcess]: Starting monitored process 157 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:42:32,444 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (157)] Waiting until timeout for monitored process [2024-11-08 23:42:32,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:42:32,909 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:42:32,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:42:32,933 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:42:32,933 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:42:33,227 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:42:33,232 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (157)] Ended with exit code 0 [2024-11-08 23:42:33,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:42:33,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:42:33,242 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:42:33,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:42:33,242 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:42:33,242 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:42:33,242 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:42:33,245 INFO L229 MonitoredProcess]: Starting monitored process 158 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:42:33,246 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (158)] Waiting until timeout for monitored process [2024-11-08 23:42:33,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:42:33,676 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:42:33,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:42:33,700 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:42:33,701 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:42:33,902 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:42:33,906 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (158)] Forceful destruction successful, exit code 0 [2024-11-08 23:42:33,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:42:33,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:42:33,914 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:42:33,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:42:33,914 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:42:33,914 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:42:33,914 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:42:33,915 INFO L229 MonitoredProcess]: Starting monitored process 159 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:42:33,917 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (159)] Waiting until timeout for monitored process [2024-11-08 23:42:34,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:42:34,340 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:42:34,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:42:34,365 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:42:34,365 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:42:34,538 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:42:34,542 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (159)] Ended with exit code 0 [2024-11-08 23:42:34,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:42:34,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:42:34,549 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:42:34,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:42:34,549 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:42:34,550 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:42:34,550 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:42:34,551 INFO L229 MonitoredProcess]: Starting monitored process 160 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:42:34,552 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (160)] Waiting until timeout for monitored process [2024-11-08 23:42:34,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:42:34,993 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:42:35,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:42:35,018 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:42:35,019 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:42:35,243 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:42:35,247 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (160)] Forceful destruction successful, exit code 0 [2024-11-08 23:42:35,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:42:35,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:42:35,255 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:42:35,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:42:35,255 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:42:35,255 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:42:35,255 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:42:35,256 INFO L229 MonitoredProcess]: Starting monitored process 161 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:42:35,258 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (161)] Waiting until timeout for monitored process [2024-11-08 23:42:35,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:42:35,675 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:42:35,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:42:35,703 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:42:35,703 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:42:35,936 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:42:35,940 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (161)] Ended with exit code 0 [2024-11-08 23:42:35,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:42:35,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:42:35,948 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:42:35,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:42:35,948 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:42:35,949 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:42:35,949 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:42:35,952 INFO L229 MonitoredProcess]: Starting monitored process 162 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:42:35,952 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (162)] Waiting until timeout for monitored process [2024-11-08 23:42:36,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:42:36,378 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:42:36,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:42:36,402 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:42:36,403 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:42:36,626 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:42:36,629 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (162)] Ended with exit code 0 [2024-11-08 23:42:36,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:42:36,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:42:36,637 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:42:36,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:42:36,637 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:42:36,637 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:42:36,638 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:42:36,639 INFO L229 MonitoredProcess]: Starting monitored process 163 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:42:36,643 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (163)] Waiting until timeout for monitored process [2024-11-08 23:42:37,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:42:37,083 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:42:37,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:42:37,114 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:42:37,115 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:42:37,342 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:42:37,346 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (163)] Forceful destruction successful, exit code 0 [2024-11-08 23:42:37,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:42:37,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:42:37,354 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:42:37,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:42:37,354 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:42:37,354 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:42:37,354 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:42:37,355 INFO L229 MonitoredProcess]: Starting monitored process 164 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:42:37,357 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (164)] Waiting until timeout for monitored process [2024-11-08 23:42:37,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:42:37,825 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:42:37,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:42:37,854 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-08 23:42:37,855 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:42:38,055 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:42:38,059 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (164)] Ended with exit code 0 [2024-11-08 23:42:38,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:42:38,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:42:38,067 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:42:38,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:42:38,067 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:42:38,067 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:42:38,067 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:42:38,070 INFO L229 MonitoredProcess]: Starting monitored process 165 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:42:38,072 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (165)] Waiting until timeout for monitored process [2024-11-08 23:42:38,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:42:38,510 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:42:38,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:42:38,537 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:42:38,538 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:42:38,749 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:42:38,753 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (165)] Forceful destruction successful, exit code 0 [2024-11-08 23:42:38,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:42:38,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:42:38,761 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:42:38,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:42:38,762 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:42:38,762 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:42:38,762 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:42:38,766 INFO L229 MonitoredProcess]: Starting monitored process 166 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:42:38,767 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (166)] Waiting until timeout for monitored process [2024-11-08 23:42:39,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:42:39,194 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:42:39,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:42:39,218 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:42:39,218 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:42:39,439 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:42:39,443 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (166)] Ended with exit code 0 [2024-11-08 23:42:39,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:42:39,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:42:39,450 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:42:39,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:42:39,450 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:42:39,451 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:42:39,451 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:42:39,452 INFO L229 MonitoredProcess]: Starting monitored process 167 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:42:39,454 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (167)] Waiting until timeout for monitored process [2024-11-08 23:42:39,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:42:39,889 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:42:39,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:42:39,920 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:42:39,921 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:42:40,119 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:42:40,122 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (167)] Forceful destruction successful, exit code 0 [2024-11-08 23:42:40,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:42:40,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:42:40,130 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:42:40,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:42:40,130 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:42:40,131 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:42:40,131 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:42:40,132 INFO L229 MonitoredProcess]: Starting monitored process 168 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:42:40,133 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (168)] Waiting until timeout for monitored process [2024-11-08 23:42:40,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:42:40,589 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:42:40,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:42:40,613 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:42:40,614 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:42:40,850 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:42:40,854 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (168)] Ended with exit code 0 [2024-11-08 23:42:40,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:42:40,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:42:40,864 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:42:40,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:42:40,864 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:42:40,864 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:42:40,864 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:42:40,867 INFO L229 MonitoredProcess]: Starting monitored process 169 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:42:40,872 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (169)] Waiting until timeout for monitored process [2024-11-08 23:42:41,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:42:41,390 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:42:41,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:42:41,423 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:42:41,424 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:42:41,721 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:42:41,725 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (169)] Forceful destruction successful, exit code 0 [2024-11-08 23:42:41,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:42:41,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:42:41,732 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:42:41,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:42:41,733 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:42:41,733 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:42:41,733 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:42:41,734 INFO L229 MonitoredProcess]: Starting monitored process 170 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:42:41,735 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (170)] Waiting until timeout for monitored process [2024-11-08 23:42:42,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:42:42,171 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:42:42,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:42:42,195 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:42:42,196 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:42:42,433 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:42:42,437 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (170)] Ended with exit code 0 [2024-11-08 23:42:42,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:42:42,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:42:42,445 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:42:42,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:42:42,445 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:42:42,445 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:42:42,445 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:42:42,446 INFO L229 MonitoredProcess]: Starting monitored process 171 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:42:42,447 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (171)] Waiting until timeout for monitored process [2024-11-08 23:42:42,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:42:42,921 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:42:42,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:42:42,944 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:42:42,945 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:42:43,146 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:42:43,150 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (171)] Ended with exit code 0 [2024-11-08 23:42:43,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:42:43,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:42:43,158 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:42:43,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:42:43,158 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:42:43,159 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:42:43,159 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:42:43,160 INFO L229 MonitoredProcess]: Starting monitored process 172 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:42:43,161 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (172)] Waiting until timeout for monitored process [2024-11-08 23:42:43,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:42:43,598 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:42:43,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:42:43,623 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:42:43,623 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:42:43,886 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:42:43,892 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (172)] Forceful destruction successful, exit code 0 [2024-11-08 23:42:43,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:42:43,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:42:43,902 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:42:43,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:42:43,902 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:42:43,902 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:42:43,902 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:42:43,906 INFO L229 MonitoredProcess]: Starting monitored process 173 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:42:43,907 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (173)] Waiting until timeout for monitored process [2024-11-08 23:42:44,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:42:44,356 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:42:44,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:42:44,380 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:42:44,381 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:42:44,586 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:42:44,590 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (173)] Ended with exit code 0 [2024-11-08 23:42:44,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:42:44,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:42:44,597 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:42:44,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:42:44,597 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:42:44,597 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:42:44,597 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:42:44,598 INFO L229 MonitoredProcess]: Starting monitored process 174 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:42:44,599 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (174)] Waiting until timeout for monitored process [2024-11-08 23:42:45,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:42:45,051 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:42:45,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:42:45,074 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:42:45,075 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:42:45,297 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:42:45,301 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (174)] Forceful destruction successful, exit code 0 [2024-11-08 23:42:45,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:42:45,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:42:45,309 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:42:45,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:42:45,309 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:42:45,309 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:42:45,309 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:42:45,310 INFO L229 MonitoredProcess]: Starting monitored process 175 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:42:45,311 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (175)] Waiting until timeout for monitored process [2024-11-08 23:42:45,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:42:45,752 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:42:45,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:42:45,775 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:42:45,776 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:42:46,012 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:42:46,016 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (175)] Ended with exit code 0 [2024-11-08 23:42:46,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:42:46,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:42:46,023 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:42:46,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:42:46,024 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:42:46,024 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:42:46,024 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:42:46,025 INFO L229 MonitoredProcess]: Starting monitored process 176 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:42:46,026 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (176)] Waiting until timeout for monitored process [2024-11-08 23:42:46,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:42:46,479 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:42:46,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:42:46,503 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:42:46,504 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:42:46,729 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:42:46,737 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (176)] Forceful destruction successful, exit code 0 [2024-11-08 23:42:46,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:42:46,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:42:46,747 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:42:46,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:42:46,748 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:42:46,748 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:42:46,748 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:42:46,751 INFO L229 MonitoredProcess]: Starting monitored process 177 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:42:46,752 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (177)] Waiting until timeout for monitored process [2024-11-08 23:42:47,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:42:47,215 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:42:47,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:42:47,238 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:42:47,239 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:42:47,451 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:42:47,454 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (177)] Ended with exit code 0 [2024-11-08 23:42:47,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:42:47,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:42:47,462 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:42:47,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:42:47,462 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:42:47,462 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:42:47,463 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:42:47,463 INFO L229 MonitoredProcess]: Starting monitored process 178 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:42:47,464 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (178)] Waiting until timeout for monitored process [2024-11-08 23:42:47,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:42:47,910 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:42:47,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:42:47,937 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:42:47,937 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:42:48,160 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:42:48,164 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (178)] Ended with exit code 0 [2024-11-08 23:42:48,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:42:48,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:42:48,172 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:42:48,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:42:48,172 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:42:48,172 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:42:48,172 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:42:48,173 INFO L229 MonitoredProcess]: Starting monitored process 179 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:42:48,174 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (179)] Waiting until timeout for monitored process [2024-11-08 23:42:48,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:42:48,627 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:42:48,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:42:48,652 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:42:48,653 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:42:48,922 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:42:48,926 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (179)] Ended with exit code 0 [2024-11-08 23:42:48,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:42:48,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:42:48,934 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:42:48,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:42:48,934 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:42:48,935 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:42:48,935 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:42:48,936 INFO L229 MonitoredProcess]: Starting monitored process 180 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:42:48,937 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (180)] Waiting until timeout for monitored process [2024-11-08 23:42:49,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:42:49,426 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:42:49,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:42:49,450 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:42:49,451 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:42:49,667 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:42:49,671 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (180)] Ended with exit code 0 [2024-11-08 23:42:49,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:42:49,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:42:49,678 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:42:49,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:42:49,678 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:42:49,678 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:42:49,678 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:42:49,679 INFO L229 MonitoredProcess]: Starting monitored process 181 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:42:49,680 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (181)] Waiting until timeout for monitored process [2024-11-08 23:42:50,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:42:50,133 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:42:50,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:42:50,157 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:42:50,158 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:42:50,337 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:42:50,341 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (181)] Ended with exit code 0 [2024-11-08 23:42:50,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:42:50,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:42:50,349 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:42:50,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:42:50,349 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:42:50,349 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:42:50,349 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:42:50,350 INFO L229 MonitoredProcess]: Starting monitored process 182 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:42:50,352 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (182)] Waiting until timeout for monitored process [2024-11-08 23:42:50,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:42:50,810 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:42:50,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:42:50,834 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:42:50,835 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:42:51,176 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:42:51,182 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (182)] Ended with exit code 0 [2024-11-08 23:42:51,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:42:51,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:42:51,191 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:42:51,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:42:51,191 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:42:51,192 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:42:51,192 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:42:51,194 INFO L229 MonitoredProcess]: Starting monitored process 183 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:42:51,196 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (183)] Waiting until timeout for monitored process [2024-11-08 23:42:51,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:42:51,683 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:42:51,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:42:51,707 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:42:51,708 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:42:51,943 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:42:51,947 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (183)] Ended with exit code 0 [2024-11-08 23:42:51,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:42:51,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:42:51,954 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:42:51,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:42:51,954 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:42:51,954 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:42:51,954 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:42:51,955 INFO L229 MonitoredProcess]: Starting monitored process 184 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:42:51,957 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (184)] Waiting until timeout for monitored process [2024-11-08 23:42:52,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:42:52,411 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:42:52,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:42:52,436 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:42:52,436 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:42:52,797 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:42:52,802 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (184)] Forceful destruction successful, exit code 0 [2024-11-08 23:42:52,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:42:52,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:42:52,817 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:42:52,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:42:52,817 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:42:52,818 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:42:52,818 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:42:52,820 INFO L229 MonitoredProcess]: Starting monitored process 185 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:42:52,821 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (185)] Waiting until timeout for monitored process [2024-11-08 23:42:53,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:42:53,301 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:42:53,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:42:53,324 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:42:53,325 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:42:53,551 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:42:53,554 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (185)] Ended with exit code 0 [2024-11-08 23:42:53,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:42:53,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:42:53,563 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:42:53,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:42:53,563 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:42:53,563 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:42:53,563 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:42:53,564 INFO L229 MonitoredProcess]: Starting monitored process 186 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:42:53,566 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (186)] Waiting until timeout for monitored process [2024-11-08 23:42:54,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:42:54,031 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:42:54,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:42:54,078 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:42:54,079 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:42:54,283 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:42:54,287 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (186)] Ended with exit code 0 [2024-11-08 23:42:54,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:42:54,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:42:54,294 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:42:54,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:42:54,294 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:42:54,295 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:42:54,295 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:42:54,296 INFO L229 MonitoredProcess]: Starting monitored process 187 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:42:54,297 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (187)] Waiting until timeout for monitored process [2024-11-08 23:42:54,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:42:54,757 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:42:54,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:42:54,779 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:42:54,780 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:42:55,022 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:42:55,026 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (187)] Ended with exit code 0 [2024-11-08 23:42:55,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:42:55,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:42:55,033 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:42:55,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:42:55,033 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:42:55,034 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:42:55,034 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:42:55,035 INFO L229 MonitoredProcess]: Starting monitored process 188 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:42:55,036 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (188)] Waiting until timeout for monitored process [2024-11-08 23:42:55,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:42:55,499 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:42:55,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:42:55,523 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:42:55,524 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:42:55,754 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:42:55,758 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (188)] Ended with exit code 0 [2024-11-08 23:42:55,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:42:55,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:42:55,766 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:42:55,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:42:55,766 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:42:55,766 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:42:55,766 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:42:55,767 INFO L229 MonitoredProcess]: Starting monitored process 189 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:42:55,768 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (189)] Waiting until timeout for monitored process [2024-11-08 23:42:56,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:42:56,235 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:42:56,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:42:56,260 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:42:56,261 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:42:56,500 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:42:56,506 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (189)] Ended with exit code 0 [2024-11-08 23:42:56,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:42:56,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:42:56,515 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:42:56,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:42:56,515 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:42:56,515 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:42:56,516 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:42:56,516 INFO L229 MonitoredProcess]: Starting monitored process 190 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:42:56,518 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (190)] Waiting until timeout for monitored process [2024-11-08 23:42:56,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:42:56,990 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:42:57,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:42:57,013 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:42:57,014 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:42:57,252 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:42:57,256 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (190)] Ended with exit code 0 [2024-11-08 23:42:57,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:42:57,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:42:57,264 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:42:57,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:42:57,264 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:42:57,264 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:42:57,265 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:42:57,265 INFO L229 MonitoredProcess]: Starting monitored process 191 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:42:57,267 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (191)] Waiting until timeout for monitored process [2024-11-08 23:42:57,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:42:57,734 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:42:57,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:42:57,758 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:42:57,758 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:42:57,961 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:42:57,965 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (191)] Ended with exit code 0 [2024-11-08 23:42:57,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:42:57,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:42:57,972 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:42:57,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:42:57,973 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:42:57,973 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:42:57,973 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:42:57,974 INFO L229 MonitoredProcess]: Starting monitored process 192 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:42:57,976 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (192)] Waiting until timeout for monitored process [2024-11-08 23:42:58,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:42:58,460 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:42:58,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:42:58,485 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:42:58,486 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:42:58,691 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:42:58,696 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (192)] Ended with exit code 0 [2024-11-08 23:42:58,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:42:58,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:42:58,703 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:42:58,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:42:58,703 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:42:58,704 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:42:58,704 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:42:58,706 INFO L229 MonitoredProcess]: Starting monitored process 193 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:42:58,707 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (193)] Waiting until timeout for monitored process [2024-11-08 23:42:59,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:42:59,196 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:42:59,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:42:59,237 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:42:59,238 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:42:59,466 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:42:59,470 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (193)] Ended with exit code 0 [2024-11-08 23:42:59,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:42:59,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:42:59,479 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:42:59,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:42:59,479 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:42:59,479 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:42:59,479 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:42:59,482 INFO L229 MonitoredProcess]: Starting monitored process 194 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:42:59,483 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (194)] Waiting until timeout for monitored process [2024-11-08 23:42:59,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:42:59,957 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:42:59,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:42:59,981 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:42:59,982 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:43:00,332 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:43:00,338 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (194)] Ended with exit code 0 [2024-11-08 23:43:00,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:43:00,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:43:00,347 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:43:00,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:43:00,348 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:43:00,348 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:43:00,348 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:43:00,351 INFO L229 MonitoredProcess]: Starting monitored process 195 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:43:00,352 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (195)] Waiting until timeout for monitored process [2024-11-08 23:43:00,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:43:00,839 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:43:00,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:43:00,863 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:43:00,864 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:43:01,100 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:43:01,104 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (195)] Ended with exit code 0 [2024-11-08 23:43:01,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:43:01,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:43:01,111 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:43:01,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:43:01,111 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:43:01,111 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:43:01,112 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:43:01,115 INFO L229 MonitoredProcess]: Starting monitored process 196 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:43:01,116 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (196)] Waiting until timeout for monitored process [2024-11-08 23:43:01,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:43:01,666 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:43:01,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:43:01,690 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:43:01,691 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:43:01,927 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:43:01,931 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (196)] Forceful destruction successful, exit code 0 [2024-11-08 23:43:01,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:43:01,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:43:01,938 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:43:01,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:43:01,938 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:43:01,939 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:43:01,939 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:43:01,940 INFO L229 MonitoredProcess]: Starting monitored process 197 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:43:01,941 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (197)] Waiting until timeout for monitored process [2024-11-08 23:43:02,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:43:02,420 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:43:02,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:43:02,444 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:43:02,445 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:43:02,738 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:43:02,742 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (197)] Forceful destruction successful, exit code 0 [2024-11-08 23:43:02,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:43:02,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:43:02,749 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:43:02,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:43:02,750 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:43:02,750 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:43:02,750 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:43:02,751 INFO L229 MonitoredProcess]: Starting monitored process 198 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:43:02,752 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (198)] Waiting until timeout for monitored process [2024-11-08 23:43:03,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:43:03,239 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:43:03,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:43:03,264 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:43:03,265 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:43:03,478 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:43:03,482 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (198)] Ended with exit code 0 [2024-11-08 23:43:03,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:43:03,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:43:03,490 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:43:03,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:43:03,490 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:43:03,490 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:43:03,490 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:43:03,491 INFO L229 MonitoredProcess]: Starting monitored process 199 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:43:03,493 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (199)] Waiting until timeout for monitored process [2024-11-08 23:43:03,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:43:03,970 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:43:03,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:43:03,994 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:43:03,995 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:43:04,224 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:43:04,228 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (199)] Ended with exit code 0 [2024-11-08 23:43:04,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:43:04,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:43:04,236 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:43:04,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:43:04,236 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:43:04,236 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:43:04,236 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:43:04,237 INFO L229 MonitoredProcess]: Starting monitored process 200 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:43:04,238 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (200)] Waiting until timeout for monitored process [2024-11-08 23:43:04,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:43:04,753 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:43:04,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:43:04,779 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:43:04,779 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:43:05,027 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:43:05,030 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (200)] Ended with exit code 0 [2024-11-08 23:43:05,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:43:05,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:43:05,038 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:43:05,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:43:05,038 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:43:05,038 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:43:05,038 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:43:05,039 INFO L229 MonitoredProcess]: Starting monitored process 201 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:43:05,040 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (201)] Waiting until timeout for monitored process [2024-11-08 23:43:05,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:43:05,523 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:43:05,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:43:05,551 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:43:05,551 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:43:05,809 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:43:05,814 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (201)] Forceful destruction successful, exit code 0 [2024-11-08 23:43:05,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:43:05,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:43:05,822 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:43:05,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:43:05,822 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:43:05,822 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:43:05,822 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:43:05,823 INFO L229 MonitoredProcess]: Starting monitored process 202 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:43:05,824 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (202)] Waiting until timeout for monitored process [2024-11-08 23:43:06,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:43:06,314 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:43:06,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:43:06,337 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:43:06,338 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:43:06,531 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:43:06,535 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (202)] Ended with exit code 0 [2024-11-08 23:43:06,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:43:06,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:43:06,543 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:43:06,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:43:06,543 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:43:06,544 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:43:06,544 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:43:06,544 INFO L229 MonitoredProcess]: Starting monitored process 203 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:43:06,545 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (203)] Waiting until timeout for monitored process [2024-11-08 23:43:07,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:43:07,031 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:43:07,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:43:07,059 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:43:07,060 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:43:07,253 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:43:07,257 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (203)] Forceful destruction successful, exit code 0 [2024-11-08 23:43:07,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:43:07,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:43:07,265 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:43:07,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:43:07,265 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:43:07,265 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:43:07,265 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:43:07,266 INFO L229 MonitoredProcess]: Starting monitored process 204 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:43:07,267 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (204)] Waiting until timeout for monitored process [2024-11-08 23:43:07,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:43:07,760 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:43:07,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:43:07,785 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:43:07,786 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:43:07,988 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:43:07,992 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (204)] Ended with exit code 0 [2024-11-08 23:43:08,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:43:08,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:43:08,000 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:43:08,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:43:08,000 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:43:08,000 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:43:08,000 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:43:08,002 INFO L229 MonitoredProcess]: Starting monitored process 205 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:43:08,003 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (205)] Waiting until timeout for monitored process [2024-11-08 23:43:08,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:43:08,532 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:43:08,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:43:08,557 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:43:08,558 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:43:08,796 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:43:08,800 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (205)] Ended with exit code 0 [2024-11-08 23:43:08,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:43:08,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:43:08,809 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:43:08,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:43:08,809 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:43:08,809 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:43:08,809 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:43:08,810 INFO L229 MonitoredProcess]: Starting monitored process 206 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:43:08,811 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (206)] Waiting until timeout for monitored process [2024-11-08 23:43:09,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:43:09,299 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:43:09,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:43:09,321 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:43:09,322 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:43:09,591 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:43:09,595 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (206)] Ended with exit code 0 [2024-11-08 23:43:09,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:43:09,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:43:09,602 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:43:09,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:43:09,602 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:43:09,603 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:43:09,603 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:43:09,604 INFO L229 MonitoredProcess]: Starting monitored process 207 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:43:09,605 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (207)] Waiting until timeout for monitored process [2024-11-08 23:43:10,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:43:10,112 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:43:10,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:43:10,136 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:43:10,137 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:43:10,332 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:43:10,336 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (207)] Ended with exit code 0 [2024-11-08 23:43:10,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:43:10,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:43:10,344 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:43:10,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:43:10,345 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:43:10,345 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:43:10,345 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:43:10,347 INFO L229 MonitoredProcess]: Starting monitored process 208 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:43:10,349 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (208)] Waiting until timeout for monitored process [2024-11-08 23:43:10,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:43:10,856 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:43:10,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:43:10,888 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:43:10,889 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:43:11,105 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:43:11,109 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (208)] Ended with exit code 0 [2024-11-08 23:43:11,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:43:11,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:43:11,122 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:43:11,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:43:11,122 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:43:11,122 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:43:11,122 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:43:11,125 INFO L229 MonitoredProcess]: Starting monitored process 209 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:43:11,126 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (209)] Waiting until timeout for monitored process [2024-11-08 23:43:11,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:43:11,639 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:43:11,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:43:11,663 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:43:11,664 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:43:11,891 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:43:11,895 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (209)] Ended with exit code 0 [2024-11-08 23:43:11,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:43:11,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:43:11,902 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:43:11,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:43:11,903 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:43:11,903 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:43:11,903 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:43:11,906 INFO L229 MonitoredProcess]: Starting monitored process 210 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:43:11,910 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (210)] Waiting until timeout for monitored process [2024-11-08 23:43:12,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:43:12,426 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:43:12,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:43:12,449 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:43:12,450 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:43:12,738 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:43:12,742 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (210)] Ended with exit code 0 [2024-11-08 23:43:12,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:43:12,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:43:12,750 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:43:12,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:43:12,750 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:43:12,750 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:43:12,751 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:43:12,751 INFO L229 MonitoredProcess]: Starting monitored process 211 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:43:12,753 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (211)] Waiting until timeout for monitored process [2024-11-08 23:43:13,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:43:13,261 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:43:13,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:43:13,286 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:43:13,287 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:43:13,470 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:43:13,474 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (211)] Ended with exit code 0 [2024-11-08 23:43:13,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:43:13,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:43:13,481 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:43:13,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:43:13,481 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:43:13,481 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:43:13,481 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:43:13,482 INFO L229 MonitoredProcess]: Starting monitored process 212 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:43:13,483 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (212)] Waiting until timeout for monitored process [2024-11-08 23:43:14,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:43:14,017 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:43:14,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:43:14,040 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:43:14,041 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:43:14,222 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:43:14,226 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (212)] Ended with exit code 0 [2024-11-08 23:43:14,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:43:14,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:43:14,233 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:43:14,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:43:14,233 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:43:14,233 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:43:14,234 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:43:14,234 INFO L229 MonitoredProcess]: Starting monitored process 213 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:43:14,236 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (213)] Waiting until timeout for monitored process [2024-11-08 23:43:14,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:43:14,739 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:43:14,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:43:14,762 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:43:14,762 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:43:14,948 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:43:14,952 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (213)] Ended with exit code 0 [2024-11-08 23:43:14,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:43:14,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:43:14,960 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:43:14,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:43:14,960 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:43:14,960 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:43:14,960 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:43:14,962 INFO L229 MonitoredProcess]: Starting monitored process 214 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:43:14,963 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (214)] Waiting until timeout for monitored process [2024-11-08 23:43:15,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:43:15,478 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:43:15,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:43:15,502 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:43:15,503 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:43:15,745 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:43:15,749 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (214)] Ended with exit code 0 [2024-11-08 23:43:15,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:43:15,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:43:15,757 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:43:15,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:43:15,757 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:43:15,757 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:43:15,757 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:43:15,758 INFO L229 MonitoredProcess]: Starting monitored process 215 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:43:15,760 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (215)] Waiting until timeout for monitored process [2024-11-08 23:43:16,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:43:16,266 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:43:16,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:43:16,291 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:43:16,292 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:43:16,481 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:43:16,485 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (215)] Ended with exit code 0 [2024-11-08 23:43:16,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:43:16,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:43:16,492 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:43:16,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:43:16,493 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:43:16,493 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:43:16,493 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:43:16,494 INFO L229 MonitoredProcess]: Starting monitored process 216 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:43:16,495 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (216)] Waiting until timeout for monitored process [2024-11-08 23:43:17,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:43:17,022 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:43:17,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:43:17,047 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:43:17,047 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:43:17,357 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:43:17,361 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (216)] Forceful destruction successful, exit code 0 [2024-11-08 23:43:17,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:43:17,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:43:17,368 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:43:17,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:43:17,369 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:43:17,369 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:43:17,369 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:43:17,372 INFO L229 MonitoredProcess]: Starting monitored process 217 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:43:17,377 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (217)] Waiting until timeout for monitored process [2024-11-08 23:43:17,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:43:17,881 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:43:17,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:43:17,906 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:43:17,906 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:43:18,135 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:43:18,139 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (217)] Ended with exit code 0 [2024-11-08 23:43:18,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:43:18,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:43:18,147 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:43:18,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:43:18,147 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:43:18,147 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:43:18,147 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:43:18,148 INFO L229 MonitoredProcess]: Starting monitored process 218 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:43:18,150 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (218)] Waiting until timeout for monitored process [2024-11-08 23:43:18,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:43:18,661 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:43:18,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:43:18,685 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:43:18,686 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:43:18,922 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:43:18,926 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (218)] Ended with exit code 0 [2024-11-08 23:43:18,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:43:18,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:43:18,940 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:43:18,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:43:18,940 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:43:18,940 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:43:18,941 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:43:18,941 INFO L229 MonitoredProcess]: Starting monitored process 219 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:43:18,944 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (219)] Waiting until timeout for monitored process [2024-11-08 23:43:19,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:43:19,464 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:43:19,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:43:19,503 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:43:19,504 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:43:19,738 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:43:19,742 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (219)] Forceful destruction successful, exit code 0 [2024-11-08 23:43:19,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:43:19,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:43:19,749 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:43:19,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:43:19,750 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:43:19,750 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:43:19,750 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:43:19,751 INFO L229 MonitoredProcess]: Starting monitored process 220 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:43:19,752 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (220)] Waiting until timeout for monitored process [2024-11-08 23:43:20,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:43:20,262 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:43:20,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:43:20,286 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:43:20,287 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:43:20,561 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:43:20,565 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (220)] Ended with exit code 0 [2024-11-08 23:43:20,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:43:20,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:43:20,573 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:43:20,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:43:20,573 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:43:20,573 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:43:20,573 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:43:20,574 INFO L229 MonitoredProcess]: Starting monitored process 221 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:43:20,575 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (221)] Waiting until timeout for monitored process [2024-11-08 23:43:21,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:43:21,089 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:43:21,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:43:21,114 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:43:21,115 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:43:21,322 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:43:21,326 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (221)] Forceful destruction successful, exit code 0 [2024-11-08 23:43:21,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:43:21,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:43:21,334 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:43:21,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:43:21,334 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:43:21,334 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:43:21,334 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:43:21,335 INFO L229 MonitoredProcess]: Starting monitored process 222 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:43:21,337 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (222)] Waiting until timeout for monitored process [2024-11-08 23:43:21,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:43:21,856 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:43:21,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:43:21,878 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:43:21,879 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:43:22,146 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:43:22,150 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (222)] Ended with exit code 0 [2024-11-08 23:43:22,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:43:22,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:43:22,158 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:43:22,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:43:22,158 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:43:22,158 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:43:22,158 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:43:22,161 INFO L229 MonitoredProcess]: Starting monitored process 223 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:43:22,162 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (223)] Waiting until timeout for monitored process [2024-11-08 23:43:22,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:43:22,755 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:43:22,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:43:22,779 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:43:22,780 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:43:22,980 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:43:22,984 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (223)] Ended with exit code 0 [2024-11-08 23:43:22,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:43:22,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:43:22,992 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:43:22,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:43:22,992 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:43:22,992 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:43:22,992 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:43:22,996 INFO L229 MonitoredProcess]: Starting monitored process 224 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:43:22,998 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (224)] Waiting until timeout for monitored process [2024-11-08 23:43:23,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:43:23,521 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:43:23,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:43:23,547 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:43:23,547 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:43:23,751 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:43:23,756 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (224)] Forceful destruction successful, exit code 0 [2024-11-08 23:43:23,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:43:23,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:43:23,763 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:43:23,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:43:23,764 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:43:23,764 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:43:23,764 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:43:23,765 INFO L229 MonitoredProcess]: Starting monitored process 225 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:43:23,766 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (225)] Waiting until timeout for monitored process [2024-11-08 23:43:24,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:43:24,287 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:43:24,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:43:24,311 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:43:24,311 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:43:24,546 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:43:24,550 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (225)] Ended with exit code 0 [2024-11-08 23:43:24,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:43:24,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:43:24,557 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:43:24,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:43:24,558 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:43:24,558 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:43:24,558 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:43:24,563 INFO L229 MonitoredProcess]: Starting monitored process 226 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:43:24,564 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (226)] Waiting until timeout for monitored process [2024-11-08 23:43:25,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:43:25,098 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:43:25,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:43:25,120 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:43:25,121 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:43:25,389 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:43:25,393 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (226)] Forceful destruction successful, exit code 0 [2024-11-08 23:43:25,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:43:25,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:43:25,400 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:43:25,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:43:25,400 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:43:25,400 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:43:25,401 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:43:25,402 INFO L229 MonitoredProcess]: Starting monitored process 227 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:43:25,403 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (227)] Waiting until timeout for monitored process [2024-11-08 23:43:25,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:43:25,927 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:43:25,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:43:25,950 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:43:25,951 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:43:26,182 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:43:26,187 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (227)] Ended with exit code 0 [2024-11-08 23:43:26,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:43:26,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:43:26,194 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:43:26,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:43:26,194 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:43:26,194 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:43:26,195 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:43:26,195 INFO L229 MonitoredProcess]: Starting monitored process 228 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:43:26,197 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (228)] Waiting until timeout for monitored process [2024-11-08 23:43:26,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:43:26,731 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:43:26,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:43:26,758 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:43:26,759 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:43:26,951 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:43:26,955 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (228)] Ended with exit code 0 [2024-11-08 23:43:26,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:43:26,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:43:26,962 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:43:26,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:43:26,963 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:43:26,963 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:43:26,963 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:43:26,964 INFO L229 MonitoredProcess]: Starting monitored process 229 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:43:26,965 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (229)] Waiting until timeout for monitored process [2024-11-08 23:43:27,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:43:27,493 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:43:27,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:43:27,518 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:43:27,519 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:43:27,732 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:43:27,737 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (229)] Ended with exit code 0 [2024-11-08 23:43:27,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:43:27,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:43:27,745 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:43:27,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:43:27,745 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:43:27,745 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:43:27,746 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:43:27,747 INFO L229 MonitoredProcess]: Starting monitored process 230 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:43:27,748 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (230)] Waiting until timeout for monitored process [2024-11-08 23:43:28,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:43:28,315 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:43:28,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:43:28,339 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:43:28,339 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:43:28,588 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:43:28,593 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (230)] Ended with exit code 0 [2024-11-08 23:43:28,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:43:28,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:43:28,601 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:43:28,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:43:28,601 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:43:28,601 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:43:28,601 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:43:28,602 INFO L229 MonitoredProcess]: Starting monitored process 231 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:43:28,603 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (231)] Waiting until timeout for monitored process [2024-11-08 23:43:29,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:43:29,133 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:43:29,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:43:29,157 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:43:29,157 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:43:29,407 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:43:29,413 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (231)] Forceful destruction successful, exit code 0 [2024-11-08 23:43:29,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:43:29,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:43:29,424 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:43:29,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:43:29,424 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:43:29,424 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:43:29,424 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:43:29,428 INFO L229 MonitoredProcess]: Starting monitored process 232 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:43:29,429 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (232)] Waiting until timeout for monitored process [2024-11-08 23:43:29,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:43:29,996 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:43:30,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:43:30,018 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:43:30,019 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:43:30,205 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:43:30,209 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (232)] Ended with exit code 0 [2024-11-08 23:43:30,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:43:30,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:43:30,216 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:43:30,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:43:30,216 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:43:30,217 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:43:30,217 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:43:30,218 INFO L229 MonitoredProcess]: Starting monitored process 233 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:43:30,219 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (233)] Waiting until timeout for monitored process [2024-11-08 23:43:30,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:43:30,756 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:43:30,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:43:30,781 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:43:30,782 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:43:31,015 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:43:31,020 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (233)] Ended with exit code 0 [2024-11-08 23:43:31,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:43:31,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:43:31,027 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:43:31,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:43:31,027 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:43:31,027 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:43:31,028 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:43:31,028 INFO L229 MonitoredProcess]: Starting monitored process 234 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:43:31,030 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (234)] Waiting until timeout for monitored process [2024-11-08 23:43:31,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:43:31,603 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:43:31,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:43:31,629 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:43:31,630 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:43:31,907 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:43:31,912 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (234)] Ended with exit code 0 [2024-11-08 23:43:31,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:43:31,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:43:31,919 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:43:31,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:43:31,919 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:43:31,919 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:43:31,919 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:43:31,923 INFO L229 MonitoredProcess]: Starting monitored process 235 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:43:31,926 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (235)] Waiting until timeout for monitored process [2024-11-08 23:43:32,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:43:32,482 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:43:32,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:43:32,508 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:43:32,509 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:43:32,758 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:43:32,762 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (235)] Ended with exit code 0 [2024-11-08 23:43:32,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:43:32,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:43:32,779 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:43:32,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:43:32,779 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:43:32,780 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:43:32,780 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:43:32,780 INFO L229 MonitoredProcess]: Starting monitored process 236 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:43:32,782 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (236)] Waiting until timeout for monitored process [2024-11-08 23:43:33,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:43:33,326 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:43:33,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:43:33,349 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:43:33,350 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:43:33,578 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:43:33,582 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (236)] Ended with exit code 0 [2024-11-08 23:43:33,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:43:33,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:43:33,590 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:43:33,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:43:33,590 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:43:33,590 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:43:33,591 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:43:33,591 INFO L229 MonitoredProcess]: Starting monitored process 237 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:43:33,593 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (237)] Waiting until timeout for monitored process [2024-11-08 23:43:34,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:43:34,141 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:43:34,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:43:34,164 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:43:34,164 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:43:34,370 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:43:34,375 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (237)] Ended with exit code 0 [2024-11-08 23:43:34,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:43:34,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:43:34,382 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:43:34,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:43:34,383 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:43:34,383 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:43:34,383 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:43:34,384 INFO L229 MonitoredProcess]: Starting monitored process 238 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:43:34,385 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (238)] Waiting until timeout for monitored process [2024-11-08 23:43:34,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:43:34,928 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:43:34,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:43:34,950 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:43:34,951 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:43:35,238 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:43:35,245 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (238)] Forceful destruction successful, exit code 0 [2024-11-08 23:43:35,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:43:35,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:43:35,254 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:43:35,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:43:35,254 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:43:35,254 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:43:35,254 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:43:35,257 INFO L229 MonitoredProcess]: Starting monitored process 239 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:43:35,259 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (239)] Waiting until timeout for monitored process [2024-11-08 23:43:35,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:43:35,806 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:43:35,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:43:35,830 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:43:35,831 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:43:36,094 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:43:36,098 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (239)] Ended with exit code 0 [2024-11-08 23:43:36,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:43:36,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:43:36,105 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:43:36,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:43:36,106 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:43:36,106 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:43:36,106 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:43:36,108 INFO L229 MonitoredProcess]: Starting monitored process 240 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:43:36,109 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (240)] Waiting until timeout for monitored process [2024-11-08 23:43:36,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:43:36,660 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:43:36,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:43:36,684 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:43:36,684 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:43:36,926 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:43:36,931 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (240)] Ended with exit code 0 [2024-11-08 23:43:36,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:43:36,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:43:36,938 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:43:36,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:43:36,938 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:43:36,938 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:43:36,938 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:43:36,939 INFO L229 MonitoredProcess]: Starting monitored process 241 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:43:36,941 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (241)] Waiting until timeout for monitored process [2024-11-08 23:43:37,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:43:37,513 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:43:37,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:43:37,536 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:43:37,536 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:43:37,759 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:43:37,764 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (241)] Forceful destruction successful, exit code 0 [2024-11-08 23:43:37,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:43:37,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:43:37,772 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:43:37,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:43:37,772 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:43:37,772 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:43:37,772 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:43:37,773 INFO L229 MonitoredProcess]: Starting monitored process 242 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:43:37,775 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (242)] Waiting until timeout for monitored process [2024-11-08 23:43:38,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:43:38,342 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:43:38,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:43:38,365 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:43:38,366 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:43:38,623 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:43:38,627 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (242)] Ended with exit code 0 [2024-11-08 23:43:38,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:43:38,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:43:38,635 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:43:38,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:43:38,635 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:43:38,636 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:43:38,636 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:43:38,639 INFO L229 MonitoredProcess]: Starting monitored process 243 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:43:38,641 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (243)] Waiting until timeout for monitored process [2024-11-08 23:43:39,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:43:39,193 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:43:39,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:43:39,217 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-08 23:43:39,218 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:43:39,499 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:43:39,503 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (243)] Ended with exit code 0 [2024-11-08 23:43:39,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:43:39,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:43:39,511 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:43:39,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:43:39,511 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:43:39,511 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:43:39,512 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:43:39,513 INFO L229 MonitoredProcess]: Starting monitored process 244 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:43:39,514 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (244)] Waiting until timeout for monitored process [2024-11-08 23:43:40,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:43:40,066 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:43:40,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:43:40,090 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:43:40,091 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:43:40,343 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:43:40,348 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (244)] Ended with exit code 0 [2024-11-08 23:43:40,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:43:40,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:43:40,356 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:43:40,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:43:40,356 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:43:40,356 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:43:40,356 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:43:40,357 INFO L229 MonitoredProcess]: Starting monitored process 245 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:43:40,359 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (245)] Waiting until timeout for monitored process [2024-11-08 23:43:40,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:43:40,916 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:43:40,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:43:40,938 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:43:40,939 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:43:41,172 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:43:41,177 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (245)] Ended with exit code 0 [2024-11-08 23:43:41,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:43:41,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:43:41,184 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:43:41,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:43:41,184 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:43:41,185 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:43:41,185 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:43:41,186 INFO L229 MonitoredProcess]: Starting monitored process 246 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:43:41,187 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (246)] Waiting until timeout for monitored process [2024-11-08 23:43:41,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:43:41,740 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:43:41,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:43:41,765 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:43:41,766 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:43:41,956 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:43:41,961 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (246)] Ended with exit code 0 [2024-11-08 23:43:41,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:43:41,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:43:41,968 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:43:41,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:43:41,968 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:43:41,968 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:43:41,968 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:43:41,969 INFO L229 MonitoredProcess]: Starting monitored process 247 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:43:41,970 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (247)] Waiting until timeout for monitored process [2024-11-08 23:43:42,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:43:42,541 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:43:42,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:43:42,574 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:43:42,575 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:43:42,864 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:43:42,869 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (247)] Ended with exit code 0 [2024-11-08 23:43:42,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:43:42,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:43:42,877 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:43:42,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:43:42,877 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:43:42,877 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:43:42,878 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:43:42,879 INFO L229 MonitoredProcess]: Starting monitored process 248 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:43:42,879 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (248)] Waiting until timeout for monitored process [2024-11-08 23:43:43,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:43:43,435 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:43:43,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:43:43,460 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:43:43,460 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:43:43,687 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:43:43,692 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (248)] Forceful destruction successful, exit code 0 [2024-11-08 23:43:43,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:43:43,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:43:43,699 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:43:43,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:43:43,699 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:43:43,699 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:43:43,699 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:43:43,702 INFO L229 MonitoredProcess]: Starting monitored process 249 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:43:43,705 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (249)] Waiting until timeout for monitored process [2024-11-08 23:43:44,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:43:44,262 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:43:44,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:43:44,284 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:43:44,285 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:43:44,498 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:43:44,509 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (249)] Ended with exit code 0 [2024-11-08 23:43:44,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:43:44,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:43:44,516 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:43:44,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:43:44,517 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:43:44,517 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:43:44,517 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:43:44,519 INFO L229 MonitoredProcess]: Starting monitored process 250 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:43:44,523 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (250)] Waiting until timeout for monitored process [2024-11-08 23:43:45,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:43:45,105 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:43:45,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:43:45,128 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:43:45,129 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:43:45,337 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:43:45,341 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (250)] Ended with exit code 0 [2024-11-08 23:43:45,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:43:45,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:43:45,350 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:43:45,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:43:45,350 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:43:45,350 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:43:45,350 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:43:45,351 INFO L229 MonitoredProcess]: Starting monitored process 251 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:43:45,353 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (251)] Waiting until timeout for monitored process [2024-11-08 23:43:45,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:43:45,915 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:43:45,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:43:45,938 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-08 23:43:45,939 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:43:46,061 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:43:46,066 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (251)] Ended with exit code 0 [2024-11-08 23:43:46,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:43:46,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:43:46,072 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:43:46,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:43:46,072 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:43:46,072 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:43:46,072 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:43:46,073 INFO L229 MonitoredProcess]: Starting monitored process 252 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:43:46,074 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (252)] Waiting until timeout for monitored process [2024-11-08 23:43:46,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:43:46,648 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:43:46,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:43:46,673 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:43:46,674 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:43:46,913 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:43:46,918 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (252)] Ended with exit code 0 [2024-11-08 23:43:46,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:43:46,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:43:46,926 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:43:46,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:43:46,927 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:43:46,927 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:43:46,927 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:43:46,930 INFO L229 MonitoredProcess]: Starting monitored process 253 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:43:46,930 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (253)] Waiting until timeout for monitored process [2024-11-08 23:43:47,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:43:47,496 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:43:47,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:43:47,519 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:43:47,519 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:43:47,722 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:43:47,727 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (253)] Ended with exit code 0 [2024-11-08 23:43:47,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:43:47,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:43:47,734 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:43:47,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:43:47,734 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:43:47,734 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:43:47,734 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:43:47,736 INFO L229 MonitoredProcess]: Starting monitored process 254 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:43:47,737 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (254)] Waiting until timeout for monitored process [2024-11-08 23:43:48,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:43:48,320 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:43:48,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:43:48,344 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:43:48,345 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:43:48,571 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:43:48,575 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (254)] Ended with exit code 0 [2024-11-08 23:43:48,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:43:48,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:43:48,582 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:43:48,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:43:48,582 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:43:48,582 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:43:48,583 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:43:48,584 INFO L229 MonitoredProcess]: Starting monitored process 255 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:43:48,585 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (255)] Waiting until timeout for monitored process [2024-11-08 23:43:49,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:43:49,155 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:43:49,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:43:49,177 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:43:49,178 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:43:49,366 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:43:49,371 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (255)] Ended with exit code 0 [2024-11-08 23:43:49,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:43:49,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:43:49,379 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:43:49,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:43:49,379 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:43:49,379 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:43:49,379 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:43:49,383 INFO L229 MonitoredProcess]: Starting monitored process 256 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:43:49,385 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (256)] Waiting until timeout for monitored process [2024-11-08 23:43:49,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:43:49,965 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:43:49,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:43:49,989 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:43:49,989 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:43:50,199 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:43:50,203 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (256)] Forceful destruction successful, exit code 0 [2024-11-08 23:43:50,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:43:50,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:43:50,217 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:43:50,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:43:50,218 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:43:50,218 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:43:50,218 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:43:50,220 INFO L229 MonitoredProcess]: Starting monitored process 257 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:43:50,223 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (257)] Waiting until timeout for monitored process [2024-11-08 23:43:50,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:43:50,798 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:43:50,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:43:50,823 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:43:50,824 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:43:51,053 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:43:51,058 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (257)] Forceful destruction successful, exit code 0 [2024-11-08 23:43:51,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:43:51,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:43:51,067 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:43:51,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:43:51,067 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:43:51,068 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:43:51,068 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:43:51,072 INFO L229 MonitoredProcess]: Starting monitored process 258 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:43:51,073 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (258)] Waiting until timeout for monitored process [2024-11-08 23:43:51,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:43:51,664 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:43:51,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:43:51,687 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:43:51,688 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:43:52,044 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:43:52,053 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (258)] Ended with exit code 0 [2024-11-08 23:43:52,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:43:52,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:43:52,063 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:43:52,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:43:52,064 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:43:52,064 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:43:52,064 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:43:52,066 INFO L229 MonitoredProcess]: Starting monitored process 259 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:43:52,068 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (259)] Waiting until timeout for monitored process [2024-11-08 23:43:52,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:43:52,670 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:43:52,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:43:52,696 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:43:52,697 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:43:52,936 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:43:52,941 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (259)] Forceful destruction successful, exit code 0 [2024-11-08 23:43:52,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:43:52,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:43:52,949 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:43:52,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:43:52,949 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:43:52,949 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:43:52,949 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:43:52,950 INFO L229 MonitoredProcess]: Starting monitored process 260 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:43:52,951 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (260)] Waiting until timeout for monitored process [2024-11-08 23:43:53,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:43:53,529 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:43:53,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:43:53,552 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:43:53,553 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:43:53,808 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:43:53,813 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (260)] Ended with exit code 0 [2024-11-08 23:43:53,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:43:53,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:43:53,820 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:43:53,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:43:53,820 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:43:53,820 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:43:53,820 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:43:53,821 INFO L229 MonitoredProcess]: Starting monitored process 261 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:43:53,823 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (261)] Waiting until timeout for monitored process [2024-11-08 23:43:54,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:43:54,402 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:43:54,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:43:54,426 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:43:54,427 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:43:54,649 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:43:54,653 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (261)] Ended with exit code 0 [2024-11-08 23:43:54,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:43:54,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:43:54,661 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:43:54,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:43:54,661 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:43:54,662 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:43:54,662 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:43:54,662 INFO L229 MonitoredProcess]: Starting monitored process 262 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:43:54,667 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (262)] Waiting until timeout for monitored process [2024-11-08 23:43:55,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:43:55,247 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:43:55,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:43:55,271 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:43:55,272 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:43:55,476 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:43:55,481 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (262)] Ended with exit code 0 [2024-11-08 23:43:55,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:43:55,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:43:55,488 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:43:55,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:43:55,488 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:43:55,489 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:43:55,489 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:43:55,490 INFO L229 MonitoredProcess]: Starting monitored process 263 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:43:55,491 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (263)] Waiting until timeout for monitored process [2024-11-08 23:43:56,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:43:56,090 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:43:56,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:43:56,114 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:43:56,115 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:43:56,334 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:43:56,338 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (263)] Forceful destruction successful, exit code 0 [2024-11-08 23:43:56,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:43:56,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:43:56,346 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:43:56,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:43:56,347 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:43:56,347 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:43:56,347 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:43:56,348 INFO L229 MonitoredProcess]: Starting monitored process 264 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:43:56,349 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (264)] Waiting until timeout for monitored process [2024-11-08 23:43:56,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:43:56,926 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:43:56,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:43:56,951 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:43:56,951 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:43:57,260 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:43:57,265 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (264)] Forceful destruction successful, exit code 0 [2024-11-08 23:43:57,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:43:57,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:43:57,272 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:43:57,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:43:57,273 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:43:57,273 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:43:57,273 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:43:57,274 INFO L229 MonitoredProcess]: Starting monitored process 265 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:43:57,275 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (265)] Waiting until timeout for monitored process [2024-11-08 23:43:57,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:43:57,857 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:43:57,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:43:57,880 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:43:57,881 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:43:58,165 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:43:58,171 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (265)] Ended with exit code 0 [2024-11-08 23:43:58,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:43:58,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:43:58,181 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:43:58,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:43:58,182 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:43:58,182 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:43:58,182 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:43:58,185 INFO L229 MonitoredProcess]: Starting monitored process 266 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:43:58,185 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (266)] Waiting until timeout for monitored process [2024-11-08 23:43:58,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:43:58,782 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:43:58,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:43:58,804 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:43:58,805 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:43:59,052 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:43:59,057 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (266)] Forceful destruction successful, exit code 0 [2024-11-08 23:43:59,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:43:59,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:43:59,064 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:43:59,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:43:59,064 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:43:59,065 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:43:59,065 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:43:59,066 INFO L229 MonitoredProcess]: Starting monitored process 267 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:43:59,067 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (267)] Waiting until timeout for monitored process [2024-11-08 23:43:59,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:43:59,700 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:43:59,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:43:59,722 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:43:59,723 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:43:59,957 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:43:59,962 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (267)] Ended with exit code 0 [2024-11-08 23:43:59,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:43:59,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:43:59,969 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:43:59,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:43:59,969 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:43:59,969 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:43:59,970 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:43:59,970 INFO L229 MonitoredProcess]: Starting monitored process 268 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:43:59,971 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (268)] Waiting until timeout for monitored process [2024-11-08 23:44:00,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:44:00,559 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:44:00,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:44:00,586 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:44:00,586 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:44:00,814 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:44:00,819 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (268)] Ended with exit code 0 [2024-11-08 23:44:00,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:44:00,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:44:00,827 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:44:00,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:44:00,828 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:44:00,828 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:44:00,828 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:44:00,829 INFO L229 MonitoredProcess]: Starting monitored process 269 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:44:00,831 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (269)] Waiting until timeout for monitored process [2024-11-08 23:44:01,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:44:01,426 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:44:01,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:44:01,450 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:44:01,451 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:44:01,675 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:44:01,680 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (269)] Ended with exit code 0 [2024-11-08 23:44:01,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:44:01,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:44:01,687 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:44:01,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:44:01,688 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:44:01,688 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:44:01,688 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:44:01,689 INFO L229 MonitoredProcess]: Starting monitored process 270 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:44:01,690 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (270)] Waiting until timeout for monitored process [2024-11-08 23:44:02,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:44:02,278 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:44:02,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:44:02,303 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:44:02,304 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:44:02,513 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:44:02,518 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (270)] Ended with exit code 0 [2024-11-08 23:44:02,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:44:02,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:44:02,525 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:44:02,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:44:02,526 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:44:02,526 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:44:02,526 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:44:02,529 INFO L229 MonitoredProcess]: Starting monitored process 271 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:44:02,529 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (271)] Waiting until timeout for monitored process [2024-11-08 23:44:03,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:44:03,137 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:44:03,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:44:03,163 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:44:03,163 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:44:03,382 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:44:03,387 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (271)] Ended with exit code 0 [2024-11-08 23:44:03,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:44:03,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:44:03,395 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:44:03,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:44:03,395 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:44:03,395 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:44:03,395 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:44:03,396 INFO L229 MonitoredProcess]: Starting monitored process 272 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:44:03,397 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (272)] Waiting until timeout for monitored process [2024-11-08 23:44:03,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:44:03,989 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:44:04,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:44:04,014 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:44:04,015 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:44:04,247 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:44:04,252 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (272)] Ended with exit code 0 [2024-11-08 23:44:04,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:44:04,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:44:04,259 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:44:04,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:44:04,259 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:44:04,259 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:44:04,260 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:44:04,260 INFO L229 MonitoredProcess]: Starting monitored process 273 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:44:04,262 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (273)] Waiting until timeout for monitored process [2024-11-08 23:44:04,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:44:04,937 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:44:04,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:44:04,969 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:44:04,970 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:44:05,337 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:44:05,342 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (273)] Ended with exit code 0 [2024-11-08 23:44:05,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:44:05,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:44:05,349 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:44:05,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:44:05,350 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:44:05,350 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:44:05,350 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:44:05,351 INFO L229 MonitoredProcess]: Starting monitored process 274 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:44:05,351 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (274)] Waiting until timeout for monitored process [2024-11-08 23:44:05,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:44:05,948 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:44:05,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:44:05,973 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:44:05,973 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:44:06,187 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:44:06,191 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (274)] Forceful destruction successful, exit code 0 [2024-11-08 23:44:06,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:44:06,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:44:06,199 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:44:06,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:44:06,199 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:44:06,200 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:44:06,200 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:44:06,201 INFO L229 MonitoredProcess]: Starting monitored process 275 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:44:06,202 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (275)] Waiting until timeout for monitored process [2024-11-08 23:44:06,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:44:06,812 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:44:06,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:44:06,836 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:44:06,837 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:44:07,071 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:44:07,076 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (275)] Ended with exit code 0 [2024-11-08 23:44:07,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:44:07,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:44:07,084 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:44:07,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:44:07,084 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:44:07,084 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:44:07,084 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:44:07,085 INFO L229 MonitoredProcess]: Starting monitored process 276 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:44:07,086 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (276)] Waiting until timeout for monitored process [2024-11-08 23:44:07,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:44:07,689 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:44:07,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:44:07,717 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:44:07,718 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:44:07,932 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:44:07,937 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (276)] Forceful destruction successful, exit code 0 [2024-11-08 23:44:07,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:44:07,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:44:07,945 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:44:07,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:44:07,945 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:44:07,945 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:44:07,945 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:44:07,946 INFO L229 MonitoredProcess]: Starting monitored process 277 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:44:07,947 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (277)] Waiting until timeout for monitored process [2024-11-08 23:44:08,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:44:08,551 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:44:08,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:44:08,574 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:44:08,575 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:44:08,762 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:44:08,767 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (277)] Ended with exit code 0 [2024-11-08 23:44:08,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:44:08,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:44:08,774 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:44:08,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:44:08,774 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:44:08,774 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:44:08,775 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:44:08,775 INFO L229 MonitoredProcess]: Starting monitored process 278 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:44:08,776 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (278)] Waiting until timeout for monitored process [2024-11-08 23:44:09,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:44:09,379 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:44:09,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:44:09,403 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:44:09,403 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:44:09,639 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:44:09,644 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (278)] Ended with exit code 0 [2024-11-08 23:44:09,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:44:09,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:44:09,651 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:44:09,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:44:09,651 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:44:09,651 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:44:09,652 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:44:09,652 INFO L229 MonitoredProcess]: Starting monitored process 279 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:44:09,653 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (279)] Waiting until timeout for monitored process [2024-11-08 23:44:10,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:44:10,254 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:44:10,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:44:10,279 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:44:10,280 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:44:10,487 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:44:10,492 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (279)] Forceful destruction successful, exit code 0 [2024-11-08 23:44:10,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:44:10,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:44:10,500 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:44:10,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:44:10,500 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:44:10,500 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:44:10,500 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:44:10,505 INFO L229 MonitoredProcess]: Starting monitored process 280 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:44:10,507 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (280)] Waiting until timeout for monitored process [2024-11-08 23:44:11,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:44:11,112 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:44:11,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:44:11,157 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:44:11,158 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:44:11,371 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:44:11,377 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (280)] Forceful destruction successful, exit code 0 [2024-11-08 23:44:11,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:44:11,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:44:11,385 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:44:11,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:44:11,385 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:44:11,385 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:44:11,385 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:44:11,386 INFO L229 MonitoredProcess]: Starting monitored process 281 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:44:11,387 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (281)] Waiting until timeout for monitored process [2024-11-08 23:44:12,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:44:12,018 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:44:12,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:44:12,041 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:44:12,042 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:44:12,263 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:44:12,267 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (281)] Forceful destruction successful, exit code 0 [2024-11-08 23:44:12,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:44:12,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:44:12,275 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:44:12,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:44:12,276 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:44:12,276 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:44:12,276 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:44:12,277 INFO L229 MonitoredProcess]: Starting monitored process 282 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:44:12,278 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (282)] Waiting until timeout for monitored process [2024-11-08 23:44:12,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:44:12,940 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:44:12,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:44:12,963 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:44:12,964 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:44:13,160 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:44:13,165 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (282)] Ended with exit code 0 [2024-11-08 23:44:13,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:44:13,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:44:13,172 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:44:13,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:44:13,172 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:44:13,172 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:44:13,172 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:44:13,173 INFO L229 MonitoredProcess]: Starting monitored process 283 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:44:13,174 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (283)] Waiting until timeout for monitored process [2024-11-08 23:44:13,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:44:13,780 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:44:13,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:44:13,803 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:44:13,803 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:44:14,039 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:44:14,044 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (283)] Forceful destruction successful, exit code 0 [2024-11-08 23:44:14,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:44:14,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:44:14,052 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:44:14,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:44:14,052 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:44:14,052 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:44:14,053 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:44:14,053 INFO L229 MonitoredProcess]: Starting monitored process 284 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:44:14,055 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (284)] Waiting until timeout for monitored process [2024-11-08 23:44:14,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:44:14,705 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:44:14,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:44:14,728 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:44:14,728 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:44:14,950 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:44:14,955 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (284)] Ended with exit code 0 [2024-11-08 23:44:14,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:44:14,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:44:14,963 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:44:14,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:44:14,964 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:44:14,964 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:44:14,964 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:44:14,965 INFO L229 MonitoredProcess]: Starting monitored process 285 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:44:14,966 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (285)] Waiting until timeout for monitored process [2024-11-08 23:44:15,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:44:15,589 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:44:15,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:44:15,613 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:44:15,614 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:44:15,818 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:44:15,823 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (285)] Ended with exit code 0 [2024-11-08 23:44:15,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:44:15,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:44:15,831 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:44:15,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:44:15,831 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:44:15,831 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:44:15,831 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:44:15,832 INFO L229 MonitoredProcess]: Starting monitored process 286 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:44:15,833 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (286)] Waiting until timeout for monitored process [2024-11-08 23:44:16,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:44:16,450 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:44:16,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:44:16,474 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-08 23:44:16,475 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:44:16,602 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:44:16,608 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (286)] Forceful destruction successful, exit code 0 [2024-11-08 23:44:16,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:44:16,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:44:16,615 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:44:16,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:44:16,615 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:44:16,615 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:44:16,616 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:44:16,616 INFO L229 MonitoredProcess]: Starting monitored process 287 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:44:16,617 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (287)] Waiting until timeout for monitored process [2024-11-08 23:44:17,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:44:17,237 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:44:17,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:44:17,259 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:44:17,260 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:44:17,433 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:44:17,438 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (287)] Forceful destruction successful, exit code 0 [2024-11-08 23:44:17,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:44:17,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:44:17,445 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:44:17,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:44:17,445 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:44:17,445 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:44:17,445 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:44:17,446 INFO L229 MonitoredProcess]: Starting monitored process 288 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:44:17,449 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (288)] Waiting until timeout for monitored process [2024-11-08 23:44:18,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:44:18,144 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:44:18,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:44:18,176 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:44:18,177 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:44:18,408 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:44:18,414 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (288)] Ended with exit code 0 [2024-11-08 23:44:18,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:44:18,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:44:18,427 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:44:18,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:44:18,427 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:44:18,427 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:44:18,428 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:44:18,428 INFO L229 MonitoredProcess]: Starting monitored process 289 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:44:18,429 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (289)] Waiting until timeout for monitored process [2024-11-08 23:44:19,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:44:19,137 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:44:19,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:44:19,168 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:44:19,169 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:44:19,464 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:44:19,469 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (289)] Ended with exit code 0 [2024-11-08 23:44:19,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:44:19,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:44:19,478 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:44:19,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:44:19,478 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:44:19,478 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:44:19,478 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:44:19,479 INFO L229 MonitoredProcess]: Starting monitored process 290 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:44:19,481 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (290)] Waiting until timeout for monitored process [2024-11-08 23:44:20,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:44:20,136 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:44:20,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:44:20,161 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:44:20,162 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:44:20,392 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:44:20,396 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (290)] Ended with exit code 0 [2024-11-08 23:44:20,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:44:20,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:44:20,404 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:44:20,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:44:20,404 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:44:20,404 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:44:20,404 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:44:20,405 INFO L229 MonitoredProcess]: Starting monitored process 291 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:44:20,407 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (291)] Waiting until timeout for monitored process [2024-11-08 23:44:21,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:44:21,043 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:44:21,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:44:21,066 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:44:21,067 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:44:21,198 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:44:21,203 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (291)] Ended with exit code 0 [2024-11-08 23:44:21,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:44:21,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:44:21,211 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:44:21,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:44:21,211 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:44:21,211 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:44:21,211 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:44:21,212 INFO L229 MonitoredProcess]: Starting monitored process 292 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:44:21,213 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (292)] Waiting until timeout for monitored process [2024-11-08 23:44:21,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:44:21,845 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:44:21,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:44:21,876 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:44:21,877 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:44:22,089 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:44:22,095 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (292)] Forceful destruction successful, exit code 0 [2024-11-08 23:44:22,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:44:22,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:44:22,102 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:44:22,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:44:22,102 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:44:22,102 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:44:22,103 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:44:22,103 INFO L229 MonitoredProcess]: Starting monitored process 293 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:44:22,105 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (293)] Waiting until timeout for monitored process [2024-11-08 23:44:22,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:44:22,799 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:44:22,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:44:22,824 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:44:22,825 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:44:23,099 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:44:23,105 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (293)] Ended with exit code 0 [2024-11-08 23:44:23,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:44:23,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:44:23,112 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:44:23,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:44:23,112 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:44:23,113 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:44:23,113 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:44:23,114 INFO L229 MonitoredProcess]: Starting monitored process 294 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:44:23,115 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (294)] Waiting until timeout for monitored process [2024-11-08 23:44:23,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:44:23,769 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:44:23,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:44:23,792 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-08 23:44:23,793 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:44:24,018 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:44:24,022 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (294)] Ended with exit code 0 [2024-11-08 23:44:24,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:44:24,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:44:24,030 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:44:24,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:44:24,030 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:44:24,031 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:44:24,031 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:44:24,032 INFO L229 MonitoredProcess]: Starting monitored process 295 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:44:24,033 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (295)] Waiting until timeout for monitored process [2024-11-08 23:44:24,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:44:24,643 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:44:24,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:44:24,667 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:44:24,668 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:44:24,926 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:44:24,931 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (295)] Ended with exit code 0 [2024-11-08 23:44:24,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:44:24,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:44:24,939 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:44:24,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:44:24,939 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:44:24,939 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:44:24,939 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:44:24,940 INFO L229 MonitoredProcess]: Starting monitored process 296 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:44:24,941 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (296)] Waiting until timeout for monitored process [2024-11-08 23:44:25,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:44:25,579 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:44:25,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:44:25,602 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:44:25,603 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:44:25,797 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:44:25,802 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (296)] Ended with exit code 0 [2024-11-08 23:44:25,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:44:25,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:44:25,811 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:44:25,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:44:25,811 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:44:25,811 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:44:25,811 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:44:25,812 INFO L229 MonitoredProcess]: Starting monitored process 297 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:44:25,813 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (297)] Waiting until timeout for monitored process [2024-11-08 23:44:26,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:44:26,472 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:44:26,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:44:26,497 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:44:26,498 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:44:26,759 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:44:26,765 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (297)] Ended with exit code 0 [2024-11-08 23:44:26,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:44:26,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:44:26,772 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:44:26,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:44:26,772 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:44:26,772 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:44:26,772 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:44:26,773 INFO L229 MonitoredProcess]: Starting monitored process 298 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:44:26,775 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (298)] Waiting until timeout for monitored process [2024-11-08 23:44:27,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:44:27,416 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:44:27,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:44:27,439 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:44:27,439 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:44:27,718 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:44:27,723 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (298)] Ended with exit code 0 [2024-11-08 23:44:27,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:44:27,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:44:27,730 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:44:27,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:44:27,730 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:44:27,730 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:44:27,731 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:44:27,731 INFO L229 MonitoredProcess]: Starting monitored process 299 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:44:27,733 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (299)] Waiting until timeout for monitored process [2024-11-08 23:44:28,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:44:28,385 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:44:28,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:44:28,407 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:44:28,408 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:44:28,636 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:44:28,641 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (299)] Ended with exit code 0 [2024-11-08 23:44:28,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:44:28,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:44:28,648 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:44:28,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:44:28,648 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:44:28,648 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:44:28,648 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:44:28,649 INFO L229 MonitoredProcess]: Starting monitored process 300 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:44:28,651 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (300)] Waiting until timeout for monitored process [2024-11-08 23:44:29,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:44:29,322 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:44:29,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:44:29,345 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:44:29,346 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:44:29,534 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:44:29,540 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (300)] Ended with exit code 0 [2024-11-08 23:44:29,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:44:29,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:44:29,548 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:44:29,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:44:29,548 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:44:29,549 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:44:29,549 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:44:29,550 INFO L229 MonitoredProcess]: Starting monitored process 301 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:44:29,551 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (301)] Waiting until timeout for monitored process [2024-11-08 23:44:30,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:44:30,222 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:44:30,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:44:30,245 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:44:30,246 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:44:30,445 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:44:30,450 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (301)] Ended with exit code 0 [2024-11-08 23:44:30,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:44:30,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:44:30,457 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:44:30,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:44:30,457 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:44:30,457 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:44:30,457 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:44:30,458 INFO L229 MonitoredProcess]: Starting monitored process 302 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:44:30,460 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (302)] Waiting until timeout for monitored process [2024-11-08 23:44:31,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:44:31,085 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:44:31,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:44:31,109 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:44:31,110 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:44:31,328 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:44:31,333 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (302)] Ended with exit code 0 [2024-11-08 23:44:31,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:44:31,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:44:31,340 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:44:31,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:44:31,341 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:44:31,341 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:44:31,341 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:44:31,342 INFO L229 MonitoredProcess]: Starting monitored process 303 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:44:31,343 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (303)] Waiting until timeout for monitored process [2024-11-08 23:44:32,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:44:32,012 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:44:32,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:44:32,036 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:44:32,037 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:44:32,281 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:44:32,286 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (303)] Forceful destruction successful, exit code 0 [2024-11-08 23:44:32,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:44:32,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:44:32,294 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:44:32,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:44:32,295 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:44:32,295 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:44:32,295 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:44:32,296 INFO L229 MonitoredProcess]: Starting monitored process 304 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:44:32,297 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (304)] Waiting until timeout for monitored process [2024-11-08 23:44:32,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:44:32,969 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:44:33,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:44:33,013 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:44:33,013 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:44:33,255 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:44:33,260 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (304)] Ended with exit code 0 [2024-11-08 23:44:33,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:44:33,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:44:33,268 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:44:33,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:44:33,268 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:44:33,268 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:44:33,268 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:44:33,269 INFO L229 MonitoredProcess]: Starting monitored process 305 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:44:33,270 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (305)] Waiting until timeout for monitored process [2024-11-08 23:44:33,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:44:33,947 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:44:33,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:44:33,972 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:44:33,973 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:44:34,255 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:44:34,260 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (305)] Ended with exit code 0 [2024-11-08 23:44:34,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:44:34,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:44:34,267 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:44:34,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:44:34,268 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:44:34,268 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:44:34,268 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:44:34,270 INFO L229 MonitoredProcess]: Starting monitored process 306 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:44:34,272 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (306)] Waiting until timeout for monitored process [2024-11-08 23:44:34,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:44:34,998 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:44:35,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:44:35,028 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:44:35,029 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:44:35,410 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:44:35,418 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (306)] Forceful destruction successful, exit code 0 [2024-11-08 23:44:35,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:44:35,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:44:35,427 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:44:35,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:44:35,428 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:44:35,428 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:44:35,428 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:44:35,431 INFO L229 MonitoredProcess]: Starting monitored process 307 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:44:35,432 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (307)] Waiting until timeout for monitored process [2024-11-08 23:44:36,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:44:36,136 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:44:36,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:44:36,159 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:44:36,160 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:44:36,375 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:44:36,380 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (307)] Forceful destruction successful, exit code 0 [2024-11-08 23:44:36,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:44:36,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:44:36,387 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:44:36,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:44:36,388 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:44:36,388 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:44:36,388 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:44:36,389 INFO L229 MonitoredProcess]: Starting monitored process 308 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:44:36,390 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (308)] Waiting until timeout for monitored process [2024-11-08 23:44:37,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:44:37,064 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:44:37,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:44:37,087 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:44:37,088 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:44:37,330 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:44:37,335 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (308)] Ended with exit code 0 [2024-11-08 23:44:37,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:44:37,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:44:37,342 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:44:37,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:44:37,343 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:44:37,343 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:44:37,343 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:44:37,344 INFO L229 MonitoredProcess]: Starting monitored process 309 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:44:37,345 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (309)] Waiting until timeout for monitored process [2024-11-08 23:44:38,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:44:38,000 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:44:38,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:44:38,025 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:44:38,026 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:44:38,313 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:44:38,318 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (309)] Ended with exit code 0 [2024-11-08 23:44:38,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:44:38,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:44:38,325 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:44:38,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:44:38,325 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:44:38,325 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:44:38,325 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:44:38,326 INFO L229 MonitoredProcess]: Starting monitored process 310 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:44:38,327 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (310)] Waiting until timeout for monitored process [2024-11-08 23:44:38,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:44:38,997 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:44:39,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:44:39,021 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:44:39,022 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:44:39,222 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:44:39,227 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (310)] Forceful destruction successful, exit code 0 [2024-11-08 23:44:39,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:44:39,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:44:39,235 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:44:39,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:44:39,235 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:44:39,235 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:44:39,235 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:44:39,236 INFO L229 MonitoredProcess]: Starting monitored process 311 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:44:39,238 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (311)] Waiting until timeout for monitored process [2024-11-08 23:44:39,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:44:39,923 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:44:39,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:44:39,947 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:44:39,948 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:44:40,191 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:44:40,196 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (311)] Ended with exit code 0 [2024-11-08 23:44:40,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:44:40,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:44:40,203 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:44:40,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:44:40,203 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:44:40,203 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:44:40,203 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:44:40,204 INFO L229 MonitoredProcess]: Starting monitored process 312 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:44:40,205 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (312)] Waiting until timeout for monitored process [2024-11-08 23:44:40,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:44:40,847 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:44:40,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:44:40,869 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:44:40,870 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:44:41,109 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:44:41,115 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (312)] Forceful destruction successful, exit code 0 [2024-11-08 23:44:41,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:44:41,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:44:41,122 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:44:41,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:44:41,122 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:44:41,122 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:44:41,122 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:44:41,123 INFO L229 MonitoredProcess]: Starting monitored process 313 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:44:41,125 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (313)] Waiting until timeout for monitored process [2024-11-08 23:44:41,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:44:41,783 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:44:41,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:44:41,807 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:44:41,807 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:44:41,999 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:44:42,004 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (313)] Ended with exit code 0 [2024-11-08 23:44:42,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:44:42,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:44:42,013 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:44:42,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:44:42,013 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:44:42,013 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:44:42,013 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:44:42,014 INFO L229 MonitoredProcess]: Starting monitored process 314 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:44:42,015 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (314)] Waiting until timeout for monitored process [2024-11-08 23:44:42,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:44:42,677 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:44:42,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:44:42,700 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:44:42,700 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:44:42,922 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:44:42,927 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (314)] Ended with exit code 0 [2024-11-08 23:44:42,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:44:42,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:44:42,940 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:44:42,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:44:42,940 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:44:42,940 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:44:42,941 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:44:42,941 INFO L229 MonitoredProcess]: Starting monitored process 315 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:44:42,943 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (315)] Waiting until timeout for monitored process [2024-11-08 23:44:43,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:44:43,649 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:44:43,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:44:43,680 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:44:43,682 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:44:44,022 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:44:44,028 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (315)] Ended with exit code 0 [2024-11-08 23:44:44,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:44:44,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:44:44,035 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:44:44,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:44:44,035 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:44:44,035 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:44:44,035 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:44:44,036 INFO L229 MonitoredProcess]: Starting monitored process 316 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:44:44,038 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (316)] Waiting until timeout for monitored process [2024-11-08 23:44:44,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:44:44,706 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:44:44,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:44:44,731 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:44:44,732 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:44:44,983 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:44:44,988 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (316)] Ended with exit code 0 [2024-11-08 23:44:44,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:44:44,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:44:44,995 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:44:44,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:44:44,996 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:44:44,996 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:44:44,996 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:44:44,997 INFO L229 MonitoredProcess]: Starting monitored process 317 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:44:44,998 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (317)] Waiting until timeout for monitored process [2024-11-08 23:44:45,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:44:45,681 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:44:45,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:44:45,704 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:44:45,705 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:44:45,951 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:44:45,957 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (317)] Forceful destruction successful, exit code 0 [2024-11-08 23:44:45,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:44:45,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:44:45,964 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:44:45,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:44:45,964 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:44:45,964 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:44:45,964 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:44:45,965 INFO L229 MonitoredProcess]: Starting monitored process 318 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:44:45,966 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (318)] Waiting until timeout for monitored process [2024-11-08 23:44:46,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:44:46,656 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:44:46,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:44:46,684 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:44:46,685 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:44:46,912 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:44:46,917 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (318)] Ended with exit code 0 [2024-11-08 23:44:46,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:44:46,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:44:46,924 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:44:46,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:44:46,924 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:44:46,925 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:44:46,925 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:44:46,925 INFO L229 MonitoredProcess]: Starting monitored process 319 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:44:46,927 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (319)] Waiting until timeout for monitored process [2024-11-08 23:44:47,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:44:47,600 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:44:47,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:44:47,626 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:44:47,627 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:44:47,872 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:44:47,877 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (319)] Ended with exit code 0 [2024-11-08 23:44:47,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:44:47,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:44:47,886 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:44:47,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:44:47,886 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:44:47,886 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:44:47,886 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:44:47,887 INFO L229 MonitoredProcess]: Starting monitored process 320 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:44:47,889 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (320)] Waiting until timeout for monitored process [2024-11-08 23:44:48,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:44:48,594 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:44:48,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:44:48,618 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:44:48,619 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:44:48,906 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:44:48,911 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (320)] Ended with exit code 0 [2024-11-08 23:44:48,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:44:48,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:44:48,918 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:44:48,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:44:48,918 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:44:48,918 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:44:48,919 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:44:48,919 INFO L229 MonitoredProcess]: Starting monitored process 321 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:44:48,921 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (321)] Waiting until timeout for monitored process [2024-11-08 23:44:49,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:44:49,604 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:44:49,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:44:49,626 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:44:49,627 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:44:49,840 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:44:49,845 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (321)] Ended with exit code 0 [2024-11-08 23:44:49,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:44:49,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:44:49,852 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:44:49,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:44:49,852 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:44:49,853 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:44:49,853 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:44:49,856 INFO L229 MonitoredProcess]: Starting monitored process 322 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:44:49,857 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (322)] Waiting until timeout for monitored process [2024-11-08 23:44:50,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:44:50,543 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:44:50,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:44:50,567 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:44:50,568 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:44:50,796 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:44:50,802 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (322)] Ended with exit code 0 [2024-11-08 23:44:50,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:44:50,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:44:50,810 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:44:50,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:44:50,810 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:44:50,810 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:44:50,810 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:44:50,811 INFO L229 MonitoredProcess]: Starting monitored process 323 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:44:50,812 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (323)] Waiting until timeout for monitored process [2024-11-08 23:44:51,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:44:51,506 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:44:51,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:44:51,531 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:44:51,532 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:44:51,754 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:44:51,759 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (323)] Forceful destruction successful, exit code 0 [2024-11-08 23:44:51,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:44:51,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:44:51,767 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:44:51,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:44:51,767 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:44:51,767 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:44:51,767 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:44:51,768 INFO L229 MonitoredProcess]: Starting monitored process 324 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:44:51,769 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (324)] Waiting until timeout for monitored process [2024-11-08 23:44:52,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:44:52,466 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:44:52,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:44:52,492 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:44:52,493 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:44:52,693 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:44:52,699 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (324)] Forceful destruction successful, exit code 0 [2024-11-08 23:44:52,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:44:52,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:44:52,706 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:44:52,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:44:52,706 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:44:52,706 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:44:52,706 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:44:52,707 INFO L229 MonitoredProcess]: Starting monitored process 325 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:44:52,708 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (325)] Waiting until timeout for monitored process [2024-11-08 23:44:53,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:44:53,418 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:44:53,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:44:53,442 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:44:53,443 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:44:53,720 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:44:53,728 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (325)] Ended with exit code 0 [2024-11-08 23:44:53,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:44:53,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:44:53,737 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:44:53,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:44:53,737 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:44:53,738 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:44:53,738 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:44:53,740 INFO L229 MonitoredProcess]: Starting monitored process 326 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:44:53,741 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (326)] Waiting until timeout for monitored process [2024-11-08 23:44:54,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:44:54,427 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:44:54,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:44:54,450 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:44:54,451 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:44:54,657 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:44:54,662 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (326)] Ended with exit code 0 [2024-11-08 23:44:54,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:44:54,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:44:54,675 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:44:54,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:44:54,675 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:44:54,675 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:44:54,675 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:44:54,678 INFO L229 MonitoredProcess]: Starting monitored process 327 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:44:54,680 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (327)] Waiting until timeout for monitored process [2024-11-08 23:44:55,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:44:55,367 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:44:55,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:44:55,388 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:44:55,389 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:44:55,624 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:44:55,629 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (327)] Ended with exit code 0 [2024-11-08 23:44:55,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:44:55,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:44:55,636 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:44:55,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:44:55,636 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:44:55,636 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:44:55,636 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:44:55,637 INFO L229 MonitoredProcess]: Starting monitored process 328 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:44:55,638 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (328)] Waiting until timeout for monitored process [2024-11-08 23:44:56,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:44:56,318 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:44:56,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:44:56,340 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:44:56,341 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:44:56,529 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:44:56,534 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (328)] Ended with exit code 0 [2024-11-08 23:44:56,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:44:56,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:44:56,542 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:44:56,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:44:56,542 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:44:56,542 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:44:56,542 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:44:56,544 INFO L229 MonitoredProcess]: Starting monitored process 329 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:44:56,545 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (329)] Waiting until timeout for monitored process [2024-11-08 23:44:57,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:44:57,236 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:44:57,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:44:57,258 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:44:57,259 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:44:57,451 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:44:57,456 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (329)] Forceful destruction successful, exit code 0 [2024-11-08 23:44:57,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:44:57,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:44:57,464 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:44:57,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:44:57,464 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:44:57,464 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:44:57,464 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:44:57,465 INFO L229 MonitoredProcess]: Starting monitored process 330 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:44:57,467 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (330)] Waiting until timeout for monitored process [2024-11-08 23:44:58,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:44:58,189 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:44:58,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:44:58,212 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:44:58,213 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:44:58,424 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:44:58,429 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (330)] Forceful destruction successful, exit code 0 [2024-11-08 23:44:58,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:44:58,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:44:58,436 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:44:58,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:44:58,436 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:44:58,436 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:44:58,436 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:44:58,437 INFO L229 MonitoredProcess]: Starting monitored process 331 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:44:58,439 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (331)] Waiting until timeout for monitored process [2024-11-08 23:44:59,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:44:59,160 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:44:59,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:44:59,184 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:44:59,184 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:44:59,429 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:44:59,434 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (331)] Ended with exit code 0 [2024-11-08 23:44:59,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:44:59,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:44:59,441 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:44:59,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:44:59,441 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:44:59,442 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:44:59,442 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:44:59,443 INFO L229 MonitoredProcess]: Starting monitored process 332 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:44:59,444 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (332)] Waiting until timeout for monitored process [2024-11-08 23:45:00,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:45:00,129 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:45:00,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:45:00,154 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:45:00,155 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:45:00,378 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:45:00,384 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (332)] Ended with exit code 0 [2024-11-08 23:45:00,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:45:00,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:45:00,391 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:45:00,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:45:00,391 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:45:00,391 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:45:00,391 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:45:00,396 INFO L229 MonitoredProcess]: Starting monitored process 333 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:45:00,399 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (333)] Waiting until timeout for monitored process [2024-11-08 23:45:01,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:45:01,079 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:45:01,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:45:01,102 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:45:01,103 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:45:01,326 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:45:01,331 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (333)] Ended with exit code 0 [2024-11-08 23:45:01,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:45:01,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:45:01,338 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:45:01,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:45:01,338 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:45:01,338 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:45:01,339 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:45:01,339 INFO L229 MonitoredProcess]: Starting monitored process 334 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:45:01,341 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (334)] Waiting until timeout for monitored process [2024-11-08 23:45:02,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:45:02,049 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:45:02,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:45:02,070 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:45:02,071 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:45:02,298 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:45:02,304 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (334)] Ended with exit code 0 [2024-11-08 23:45:02,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:45:02,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:45:02,312 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:45:02,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:45:02,313 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:45:02,313 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:45:02,313 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:45:02,314 INFO L229 MonitoredProcess]: Starting monitored process 335 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:45:02,315 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (335)] Waiting until timeout for monitored process [2024-11-08 23:45:03,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:45:03,039 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:45:03,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:45:03,064 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:45:03,065 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:45:03,307 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:45:03,313 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (335)] Ended with exit code 0 [2024-11-08 23:45:03,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:45:03,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:45:03,321 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:45:03,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:45:03,321 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:45:03,321 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:45:03,322 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:45:03,322 INFO L229 MonitoredProcess]: Starting monitored process 336 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:45:03,324 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (336)] Waiting until timeout for monitored process [2024-11-08 23:45:04,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:45:04,034 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:45:04,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:45:04,057 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:45:04,057 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:45:04,283 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:45:04,288 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (336)] Ended with exit code 0 [2024-11-08 23:45:04,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:45:04,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:45:04,295 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:45:04,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:45:04,295 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:45:04,295 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:45:04,295 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:45:04,296 INFO L229 MonitoredProcess]: Starting monitored process 337 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:45:04,298 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (337)] Waiting until timeout for monitored process [2024-11-08 23:45:05,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:45:05,032 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:45:05,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:45:05,057 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:45:05,058 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:45:05,239 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:45:05,245 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (337)] Ended with exit code 0 [2024-11-08 23:45:05,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:45:05,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:45:05,252 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:45:05,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:45:05,252 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:45:05,252 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:45:05,253 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:45:05,253 INFO L229 MonitoredProcess]: Starting monitored process 338 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:45:05,255 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (338)] Waiting until timeout for monitored process [2024-11-08 23:45:05,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:45:05,954 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:45:05,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:45:05,979 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:45:05,980 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:45:06,198 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:45:06,203 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (338)] Ended with exit code 0 [2024-11-08 23:45:06,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:45:06,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:45:06,211 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:45:06,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:45:06,211 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:45:06,211 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:45:06,211 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:45:06,212 INFO L229 MonitoredProcess]: Starting monitored process 339 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:45:06,214 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (339)] Waiting until timeout for monitored process [2024-11-08 23:45:06,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:45:06,918 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:45:06,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:45:06,943 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:45:06,944 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:45:07,176 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:45:07,182 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (339)] Forceful destruction successful, exit code 0 [2024-11-08 23:45:07,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:45:07,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:45:07,189 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:45:07,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:45:07,189 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:45:07,190 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:45:07,190 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:45:07,191 INFO L229 MonitoredProcess]: Starting monitored process 340 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:45:07,192 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (340)] Waiting until timeout for monitored process [2024-11-08 23:45:07,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:45:07,893 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:45:07,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:45:07,923 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:45:07,924 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:45:08,169 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:45:08,175 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (340)] Ended with exit code 0 [2024-11-08 23:45:08,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:45:08,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:45:08,182 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:45:08,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:45:08,182 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:45:08,183 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:45:08,183 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:45:08,184 INFO L229 MonitoredProcess]: Starting monitored process 341 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:45:08,185 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (341)] Waiting until timeout for monitored process [2024-11-08 23:45:08,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:45:08,899 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:45:08,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:45:08,923 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:45:08,924 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:45:09,152 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:45:09,157 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (341)] Ended with exit code 0 [2024-11-08 23:45:09,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:45:09,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:45:09,164 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:45:09,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:45:09,164 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:45:09,164 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:45:09,164 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:45:09,169 INFO L229 MonitoredProcess]: Starting monitored process 342 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:45:09,171 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (342)] Waiting until timeout for monitored process [2024-11-08 23:45:09,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:45:09,902 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:45:09,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:45:09,924 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:45:09,925 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:45:10,090 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:45:10,095 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (342)] Forceful destruction successful, exit code 0 [2024-11-08 23:45:10,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:45:10,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:45:10,104 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:45:10,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:45:10,104 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:45:10,104 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:45:10,104 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:45:10,107 INFO L229 MonitoredProcess]: Starting monitored process 343 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:45:10,108 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (343)] Waiting until timeout for monitored process [2024-11-08 23:45:10,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:45:10,816 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:45:10,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:45:10,838 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:45:10,839 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:45:11,048 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:45:11,053 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (343)] Ended with exit code 0 [2024-11-08 23:45:11,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:45:11,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:45:11,061 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:45:11,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:45:11,062 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:45:11,062 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:45:11,062 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:45:11,063 INFO L229 MonitoredProcess]: Starting monitored process 344 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:45:11,064 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (344)] Waiting until timeout for monitored process [2024-11-08 23:45:11,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:45:11,785 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:45:11,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:45:11,809 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:45:11,810 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:45:12,034 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:45:12,039 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (344)] Ended with exit code 0 [2024-11-08 23:45:12,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:45:12,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:45:12,047 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:45:12,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:45:12,047 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:45:12,047 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:45:12,048 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:45:12,048 INFO L229 MonitoredProcess]: Starting monitored process 345 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:45:12,050 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (345)] Waiting until timeout for monitored process [2024-11-08 23:45:12,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:45:12,811 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:45:12,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:45:12,835 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:45:12,835 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:45:13,047 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:45:13,053 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (345)] Ended with exit code 0 [2024-11-08 23:45:13,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:45:13,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:45:13,060 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:45:13,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:45:13,061 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:45:13,061 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:45:13,061 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:45:13,062 INFO L229 MonitoredProcess]: Starting monitored process 346 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:45:13,066 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (346)] Waiting until timeout for monitored process [2024-11-08 23:45:13,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:45:13,803 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:45:13,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:45:13,826 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:45:13,827 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:45:14,025 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:45:14,030 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (346)] Ended with exit code 0 [2024-11-08 23:45:14,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:45:14,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:45:14,038 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:45:14,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:45:14,038 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:45:14,038 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:45:14,038 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:45:14,039 INFO L229 MonitoredProcess]: Starting monitored process 347 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:45:14,040 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (347)] Waiting until timeout for monitored process [2024-11-08 23:45:14,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:45:14,747 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:45:14,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:45:14,772 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:45:14,772 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:45:15,020 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:45:15,026 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (347)] Ended with exit code 0 [2024-11-08 23:45:15,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:45:15,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:45:15,034 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:45:15,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:45:15,034 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:45:15,034 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:45:15,034 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:45:15,035 INFO L229 MonitoredProcess]: Starting monitored process 348 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:45:15,037 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (348)] Waiting until timeout for monitored process [2024-11-08 23:45:15,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:45:15,747 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:45:15,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:45:15,771 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:45:15,771 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:45:16,015 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:45:16,020 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (348)] Forceful destruction successful, exit code 0 [2024-11-08 23:45:16,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:45:16,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:45:16,028 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:45:16,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:45:16,028 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:45:16,028 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:45:16,028 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:45:16,029 INFO L229 MonitoredProcess]: Starting monitored process 349 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:45:16,030 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (349)] Waiting until timeout for monitored process [2024-11-08 23:45:16,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:45:16,740 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:45:16,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:45:16,764 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:45:16,765 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:45:17,028 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:45:17,034 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (349)] Ended with exit code 0 [2024-11-08 23:45:17,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:45:17,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:45:17,042 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:45:17,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:45:17,042 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:45:17,042 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:45:17,042 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:45:17,043 INFO L229 MonitoredProcess]: Starting monitored process 350 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:45:17,044 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (350)] Waiting until timeout for monitored process [2024-11-08 23:45:17,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:45:17,763 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:45:17,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:45:17,815 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:45:17,816 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:45:18,057 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:45:18,062 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (350)] Ended with exit code 0 [2024-11-08 23:45:18,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:45:18,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:45:18,069 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:45:18,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:45:18,069 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:45:18,069 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:45:18,069 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:45:18,070 INFO L229 MonitoredProcess]: Starting monitored process 351 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:45:18,072 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (351)] Waiting until timeout for monitored process [2024-11-08 23:45:18,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:45:18,788 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:45:18,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:45:18,811 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:45:18,812 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:45:19,053 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:45:19,058 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (351)] Ended with exit code 0 [2024-11-08 23:45:19,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:45:19,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:45:19,065 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:45:19,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:45:19,066 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:45:19,069 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:45:19,069 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:45:19,070 INFO L229 MonitoredProcess]: Starting monitored process 352 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:45:19,071 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (352)] Waiting until timeout for monitored process [2024-11-08 23:45:19,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:45:19,796 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:45:19,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:45:19,819 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:45:19,820 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:45:20,018 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:45:20,023 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (352)] Forceful destruction successful, exit code 0 [2024-11-08 23:45:20,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:45:20,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:45:20,031 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:45:20,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:45:20,031 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:45:20,031 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:45:20,031 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:45:20,032 INFO L229 MonitoredProcess]: Starting monitored process 353 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:45:20,034 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (353)] Waiting until timeout for monitored process [2024-11-08 23:45:20,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:45:20,746 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:45:20,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:45:20,768 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:45:20,769 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:45:20,973 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:45:20,979 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (353)] Ended with exit code 0 [2024-11-08 23:45:20,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:45:20,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:45:20,986 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:45:20,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:45:20,987 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:45:20,987 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:45:20,987 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:45:20,988 INFO L229 MonitoredProcess]: Starting monitored process 354 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:45:20,989 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (354)] Waiting until timeout for monitored process [2024-11-08 23:45:21,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:45:21,704 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:45:21,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:45:21,726 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:45:21,727 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:45:21,967 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:45:21,973 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (354)] Forceful destruction successful, exit code 0 [2024-11-08 23:45:21,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:45:21,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:45:21,979 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:45:21,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:45:21,980 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:45:21,980 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:45:21,980 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:45:21,981 INFO L229 MonitoredProcess]: Starting monitored process 355 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:45:21,982 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (355)] Waiting until timeout for monitored process [2024-11-08 23:45:22,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:45:22,789 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:45:22,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:45:22,820 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:45:22,822 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:45:23,050 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:45:23,055 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (355)] Ended with exit code 0 [2024-11-08 23:45:23,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:45:23,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:45:23,062 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:45:23,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:45:23,063 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:45:23,063 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:45:23,063 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:45:23,064 INFO L229 MonitoredProcess]: Starting monitored process 356 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:45:23,065 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (356)] Waiting until timeout for monitored process [2024-11-08 23:45:23,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:45:23,786 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:45:23,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:45:23,808 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:45:23,809 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:45:24,025 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:45:24,030 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (356)] Ended with exit code 0 [2024-11-08 23:45:24,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:45:24,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:45:24,043 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:45:24,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:45:24,043 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:45:24,043 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:45:24,043 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:45:24,044 INFO L229 MonitoredProcess]: Starting monitored process 357 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:45:24,045 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (357)] Waiting until timeout for monitored process [2024-11-08 23:45:24,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:45:24,766 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:45:24,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:45:24,789 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:45:24,789 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:45:25,008 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:45:25,014 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (357)] Ended with exit code 0 [2024-11-08 23:45:25,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:45:25,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:45:25,021 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:45:25,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:45:25,021 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:45:25,022 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:45:25,022 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:45:25,022 INFO L229 MonitoredProcess]: Starting monitored process 358 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:45:25,024 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (358)] Waiting until timeout for monitored process [2024-11-08 23:45:25,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:45:25,745 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:45:25,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:45:25,769 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:45:25,770 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:45:25,992 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:45:25,997 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (358)] Forceful destruction successful, exit code 0 [2024-11-08 23:45:26,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:45:26,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:45:26,005 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:45:26,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:45:26,005 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:45:26,005 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:45:26,005 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:45:26,006 INFO L229 MonitoredProcess]: Starting monitored process 359 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:45:26,007 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (359)] Waiting until timeout for monitored process [2024-11-08 23:45:26,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:45:26,728 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:45:26,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:45:26,752 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:45:26,753 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:45:26,973 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:45:26,979 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (359)] Ended with exit code 0 [2024-11-08 23:45:26,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:45:26,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:45:26,985 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:45:26,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:45:26,986 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:45:26,986 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:45:26,986 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:45:26,987 INFO L229 MonitoredProcess]: Starting monitored process 360 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:45:26,988 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (360)] Waiting until timeout for monitored process [2024-11-08 23:45:27,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:45:27,720 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:45:27,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:45:27,742 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:45:27,743 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:45:27,982 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:45:27,988 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (360)] Forceful destruction successful, exit code 0 [2024-11-08 23:45:27,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:45:27,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:45:27,995 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:45:27,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:45:27,995 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:45:27,995 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:45:27,996 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:45:27,996 INFO L229 MonitoredProcess]: Starting monitored process 361 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:45:27,997 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (361)] Waiting until timeout for monitored process [2024-11-08 23:45:28,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:45:28,735 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:45:28,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:45:28,762 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:45:28,763 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:45:29,022 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:45:29,027 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (361)] Ended with exit code 0 [2024-11-08 23:45:29,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:45:29,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:45:29,034 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:45:29,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:45:29,034 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:45:29,034 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:45:29,034 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:45:29,035 INFO L229 MonitoredProcess]: Starting monitored process 362 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:45:29,037 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (362)] Waiting until timeout for monitored process [2024-11-08 23:45:29,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:45:29,773 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:45:29,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:45:29,798 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:45:29,799 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:45:30,011 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:45:30,017 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (362)] Ended with exit code 0 [2024-11-08 23:45:30,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:45:30,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:45:30,025 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:45:30,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:45:30,025 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:45:30,025 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:45:30,026 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:45:30,026 INFO L229 MonitoredProcess]: Starting monitored process 363 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:45:30,028 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (363)] Waiting until timeout for monitored process [2024-11-08 23:45:30,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:45:30,757 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:45:30,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:45:30,784 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:45:30,785 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:45:31,029 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:45:31,034 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (363)] Ended with exit code 0 [2024-11-08 23:45:31,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:45:31,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:45:31,041 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:45:31,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:45:31,042 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:45:31,042 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:45:31,042 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:45:31,043 INFO L229 MonitoredProcess]: Starting monitored process 364 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:45:31,044 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (364)] Waiting until timeout for monitored process [2024-11-08 23:45:31,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:45:31,779 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:45:31,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:45:31,804 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:45:31,804 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:45:32,019 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:45:32,025 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (364)] Ended with exit code 0 [2024-11-08 23:45:32,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:45:32,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:45:32,033 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:45:32,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:45:32,033 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:45:32,033 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:45:32,033 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:45:32,034 INFO L229 MonitoredProcess]: Starting monitored process 365 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:45:32,035 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (365)] Waiting until timeout for monitored process [2024-11-08 23:45:32,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:45:32,828 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:45:32,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:45:32,853 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:45:32,853 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:45:33,105 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:45:33,110 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (365)] Forceful destruction successful, exit code 0 [2024-11-08 23:45:33,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:45:33,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:45:33,118 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:45:33,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:45:33,119 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:45:33,119 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:45:33,119 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:45:33,120 INFO L229 MonitoredProcess]: Starting monitored process 366 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:45:33,121 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (366)] Waiting until timeout for monitored process [2024-11-08 23:45:33,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:45:33,857 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:45:33,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:45:33,903 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:45:33,904 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:45:34,114 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:45:34,120 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (366)] Forceful destruction successful, exit code 0 [2024-11-08 23:45:34,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:45:34,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:45:34,127 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:45:34,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:45:34,128 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:45:34,128 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:45:34,128 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:45:34,129 INFO L229 MonitoredProcess]: Starting monitored process 367 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:45:34,130 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (367)] Waiting until timeout for monitored process [2024-11-08 23:45:34,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:45:34,865 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:45:34,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:45:34,889 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:45:34,890 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:45:35,114 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:45:35,120 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (367)] Ended with exit code 0 [2024-11-08 23:45:35,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:45:35,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:45:35,127 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:45:35,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:45:35,127 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:45:35,127 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:45:35,127 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:45:35,130 INFO L229 MonitoredProcess]: Starting monitored process 368 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:45:35,131 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (368)] Waiting until timeout for monitored process [2024-11-08 23:45:35,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:45:35,872 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:45:35,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:45:35,897 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:45:35,898 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:45:36,062 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:45:36,068 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (368)] Ended with exit code 0 [2024-11-08 23:45:36,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:45:36,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:45:36,075 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:45:36,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:45:36,076 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:45:36,076 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:45:36,076 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:45:36,077 INFO L229 MonitoredProcess]: Starting monitored process 369 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:45:36,078 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (369)] Waiting until timeout for monitored process [2024-11-08 23:45:36,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:45:36,822 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:45:36,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:45:36,844 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:45:36,845 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:45:37,014 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:45:37,020 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (369)] Ended with exit code 0 [2024-11-08 23:45:37,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:45:37,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:45:37,033 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:45:37,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:45:37,033 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:45:37,033 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:45:37,033 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:45:37,034 INFO L229 MonitoredProcess]: Starting monitored process 370 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:45:37,036 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (370)] Waiting until timeout for monitored process [2024-11-08 23:45:37,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:45:37,776 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:45:37,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:45:37,800 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:45:37,801 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:45:38,017 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:45:38,022 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (370)] Ended with exit code 0 [2024-11-08 23:45:38,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:45:38,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:45:38,030 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:45:38,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:45:38,030 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:45:38,030 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:45:38,030 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:45:38,031 INFO L229 MonitoredProcess]: Starting monitored process 371 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:45:38,033 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (371)] Waiting until timeout for monitored process [2024-11-08 23:45:38,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:45:38,777 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:45:38,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:45:38,801 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:45:38,802 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:45:39,007 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:45:39,013 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (371)] Ended with exit code 0 [2024-11-08 23:45:39,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:45:39,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:45:39,020 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:45:39,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:45:39,020 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:45:39,021 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:45:39,021 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:45:39,022 INFO L229 MonitoredProcess]: Starting monitored process 372 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:45:39,022 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (372)] Waiting until timeout for monitored process [2024-11-08 23:45:39,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:45:39,771 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:45:39,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:45:39,794 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:45:39,795 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:45:40,037 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:45:40,043 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (372)] Forceful destruction successful, exit code 0 [2024-11-08 23:45:40,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:45:40,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:45:40,051 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:45:40,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:45:40,051 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:45:40,052 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:45:40,052 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:45:40,056 INFO L229 MonitoredProcess]: Starting monitored process 373 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:45:40,057 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (373)] Waiting until timeout for monitored process [2024-11-08 23:45:40,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:45:40,826 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:45:40,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:45:40,848 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-08 23:45:40,849 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:45:40,985 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:45:40,994 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (373)] Ended with exit code 0 [2024-11-08 23:45:41,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:45:41,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:45:41,001 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:45:41,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:45:41,002 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:45:41,002 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:45:41,002 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:45:41,003 INFO L229 MonitoredProcess]: Starting monitored process 374 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:45:41,004 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (374)] Waiting until timeout for monitored process [2024-11-08 23:45:41,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:45:41,749 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:45:41,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:45:41,772 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:45:41,773 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:45:42,030 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. WARNING: YOUR LOGFILE WAS TOO LONG, SOME LINES IN THE MIDDLE WERE REMOVED. [2024-11-08 23:45:46,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:45:46,931 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:45:46,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:45:46,956 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:45:46,957 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:45:47,173 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:45:47,179 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (379)] Ended with exit code 0 [2024-11-08 23:45:47,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:45:47,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:45:47,186 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:45:47,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:45:47,186 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:45:47,186 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:45:47,186 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:45:47,187 INFO L229 MonitoredProcess]: Starting monitored process 380 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:45:47,188 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (380)] Waiting until timeout for monitored process [2024-11-08 23:45:47,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:45:47,944 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:45:47,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:45:47,967 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:45:47,967 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:45:48,240 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:45:48,246 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (380)] Ended with exit code 0 [2024-11-08 23:45:48,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:45:48,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:45:48,253 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:45:48,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:45:48,253 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:45:48,254 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:45:48,254 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:45:48,254 INFO L229 MonitoredProcess]: Starting monitored process 381 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:45:48,256 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (381)] Waiting until timeout for monitored process [2024-11-08 23:45:49,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:45:49,019 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:45:49,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:45:49,043 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:45:49,043 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:45:49,265 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:45:49,271 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (381)] Ended with exit code 0 [2024-11-08 23:45:49,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:45:49,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:45:49,278 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:45:49,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:45:49,279 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:45:49,279 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:45:49,279 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:45:49,282 INFO L229 MonitoredProcess]: Starting monitored process 382 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:45:49,283 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (382)] Waiting until timeout for monitored process [2024-11-08 23:45:50,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:45:50,047 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:45:50,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:45:50,069 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:45:50,070 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:45:50,318 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:45:50,324 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (382)] Forceful destruction successful, exit code 0 [2024-11-08 23:45:50,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:45:50,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:45:50,331 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:45:50,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:45:50,331 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:45:50,331 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:45:50,332 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:45:50,332 INFO L229 MonitoredProcess]: Starting monitored process 383 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:45:50,334 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (383)] Waiting until timeout for monitored process [2024-11-08 23:45:51,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:45:51,103 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:45:51,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:45:51,126 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:45:51,127 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:45:51,305 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:45:51,311 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (383)] Forceful destruction successful, exit code 0 [2024-11-08 23:45:51,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:45:51,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:45:51,318 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:45:51,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:45:51,319 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:45:51,320 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:45:51,320 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:45:51,322 INFO L229 MonitoredProcess]: Starting monitored process 384 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:45:51,324 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (384)] Waiting until timeout for monitored process [2024-11-08 23:45:52,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:45:52,107 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:45:52,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:45:52,133 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:45:52,134 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:45:52,348 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:45:52,354 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (384)] Ended with exit code 0 [2024-11-08 23:45:52,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:45:52,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:45:52,362 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:45:52,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:45:52,362 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:45:52,362 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:45:52,363 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:45:52,365 INFO L229 MonitoredProcess]: Starting monitored process 385 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:45:52,367 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (385)] Waiting until timeout for monitored process [2024-11-08 23:45:53,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:45:53,136 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:45:53,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:45:53,164 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:45:53,165 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:45:53,389 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:45:53,396 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (385)] Ended with exit code 0 [2024-11-08 23:45:53,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:45:53,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:45:53,404 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:45:53,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:45:53,405 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:45:53,405 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:45:53,405 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:45:53,406 INFO L229 MonitoredProcess]: Starting monitored process 386 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:45:53,410 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (386)] Waiting until timeout for monitored process [2024-11-08 23:45:54,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:45:54,268 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:45:54,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:45:54,309 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:45:54,310 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:45:54,534 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:45:54,540 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (386)] Ended with exit code 0 [2024-11-08 23:45:54,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:45:54,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:45:54,548 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:45:54,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:45:54,548 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:45:54,548 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:45:54,548 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:45:54,549 INFO L229 MonitoredProcess]: Starting monitored process 387 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:45:54,550 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (387)] Waiting until timeout for monitored process [2024-11-08 23:45:55,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:45:55,319 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:45:55,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:45:55,343 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:45:55,344 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:45:55,580 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:45:55,586 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (387)] Ended with exit code 0 [2024-11-08 23:45:55,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:45:55,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:45:55,593 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:45:55,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:45:55,593 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:45:55,594 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:45:55,594 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:45:55,595 INFO L229 MonitoredProcess]: Starting monitored process 388 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:45:55,596 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (388)] Waiting until timeout for monitored process [2024-11-08 23:45:56,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:45:56,367 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:45:56,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:45:56,391 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-08 23:45:56,392 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:45:56,549 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:45:56,555 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (388)] Forceful destruction successful, exit code 0 [2024-11-08 23:45:56,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:45:56,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:45:56,561 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:45:56,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:45:56,561 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:45:56,561 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:45:56,561 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:45:56,564 INFO L229 MonitoredProcess]: Starting monitored process 389 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:45:56,567 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (389)] Waiting until timeout for monitored process [2024-11-08 23:45:57,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:45:57,364 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:45:57,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:45:57,386 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:45:57,387 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:45:57,569 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:45:57,575 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (389)] Ended with exit code 0 [2024-11-08 23:45:57,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:45:57,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:45:57,583 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:45:57,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:45:57,584 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:45:57,584 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:45:57,584 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:45:57,588 INFO L229 MonitoredProcess]: Starting monitored process 390 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:45:57,588 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (390)] Waiting until timeout for monitored process [2024-11-08 23:45:58,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:45:58,364 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:45:58,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:45:58,386 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:45:58,387 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:45:58,617 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:45:58,624 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (390)] Ended with exit code 0 [2024-11-08 23:45:58,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:45:58,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:45:58,631 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:45:58,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:45:58,631 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:45:58,631 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:45:58,631 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:45:58,634 INFO L229 MonitoredProcess]: Starting monitored process 391 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:45:58,635 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (391)] Waiting until timeout for monitored process [2024-11-08 23:45:59,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:45:59,421 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:45:59,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:45:59,444 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:45:59,445 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:45:59,695 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:45:59,701 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (391)] Ended with exit code 0 [2024-11-08 23:45:59,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:45:59,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:45:59,709 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:45:59,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:45:59,709 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:45:59,709 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:45:59,709 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:45:59,710 INFO L229 MonitoredProcess]: Starting monitored process 392 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:45:59,711 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (392)] Waiting until timeout for monitored process [2024-11-08 23:46:00,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:46:00,491 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:46:00,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:46:00,515 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:46:00,516 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:46:00,728 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:46:00,734 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (392)] Ended with exit code 0 [2024-11-08 23:46:00,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:46:00,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:46:00,741 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:46:00,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:46:00,741 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:46:00,741 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:46:00,741 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:46:00,742 INFO L229 MonitoredProcess]: Starting monitored process 393 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:46:00,743 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (393)] Waiting until timeout for monitored process [2024-11-08 23:46:01,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:46:01,526 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:46:01,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:46:01,548 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:46:01,549 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:46:01,775 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:46:01,781 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (393)] Forceful destruction successful, exit code 0 [2024-11-08 23:46:01,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:46:01,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:46:01,795 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:46:01,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:46:01,795 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:46:01,795 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:46:01,795 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:46:01,799 INFO L229 MonitoredProcess]: Starting monitored process 394 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:46:01,800 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (394)] Waiting until timeout for monitored process [2024-11-08 23:46:02,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:46:02,635 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:46:02,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:46:02,665 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:46:02,667 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:46:02,887 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:46:02,894 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (394)] Ended with exit code 0 [2024-11-08 23:46:02,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:46:02,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:46:02,901 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:46:02,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:46:02,902 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:46:02,902 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:46:02,902 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:46:02,903 INFO L229 MonitoredProcess]: Starting monitored process 395 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:46:02,904 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (395)] Waiting until timeout for monitored process [2024-11-08 23:46:03,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:46:03,685 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:46:03,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:46:03,707 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:46:03,708 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:46:03,908 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:46:03,914 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (395)] Ended with exit code 0 [2024-11-08 23:46:03,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:46:03,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:46:03,922 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:46:03,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:46:03,922 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:46:03,922 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:46:03,922 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:46:03,923 INFO L229 MonitoredProcess]: Starting monitored process 396 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:46:03,924 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (396)] Waiting until timeout for monitored process [2024-11-08 23:46:04,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:46:04,704 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:46:04,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:46:04,728 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:46:04,729 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:46:04,971 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:46:04,977 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (396)] Ended with exit code 0 [2024-11-08 23:46:04,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:46:04,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:46:04,985 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:46:04,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:46:04,985 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:46:04,985 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:46:04,985 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:46:04,986 INFO L229 MonitoredProcess]: Starting monitored process 397 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:46:04,987 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (397)] Waiting until timeout for monitored process [2024-11-08 23:46:05,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:46:05,772 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:46:05,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:46:05,794 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:46:05,794 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:46:05,953 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:46:05,959 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (397)] Forceful destruction successful, exit code 0 [2024-11-08 23:46:05,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:46:05,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:46:05,966 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:46:05,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:46:05,967 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:46:05,967 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:46:05,967 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:46:05,968 INFO L229 MonitoredProcess]: Starting monitored process 398 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:46:05,969 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (398)] Waiting until timeout for monitored process [2024-11-08 23:46:06,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:46:06,751 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:46:06,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:46:06,773 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:46:06,774 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:46:07,019 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:46:07,025 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (398)] Forceful destruction successful, exit code 0 [2024-11-08 23:46:07,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:46:07,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:46:07,033 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:46:07,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:46:07,033 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:46:07,033 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:46:07,033 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:46:07,034 INFO L229 MonitoredProcess]: Starting monitored process 399 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:46:07,035 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (399)] Waiting until timeout for monitored process [2024-11-08 23:46:07,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:46:07,818 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:46:07,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:46:07,841 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:46:07,842 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:46:08,044 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:46:08,050 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (399)] Ended with exit code 0 [2024-11-08 23:46:08,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:46:08,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:46:08,058 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:46:08,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:46:08,058 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:46:08,058 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:46:08,058 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:46:08,059 INFO L229 MonitoredProcess]: Starting monitored process 400 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:46:08,060 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (400)] Waiting until timeout for monitored process [2024-11-08 23:46:08,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:46:08,858 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:46:08,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:46:08,883 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:46:08,884 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:46:09,122 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:46:09,129 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (400)] Forceful destruction successful, exit code 0 [2024-11-08 23:46:09,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:46:09,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:46:09,136 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:46:09,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:46:09,136 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:46:09,136 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:46:09,136 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:46:09,137 INFO L229 MonitoredProcess]: Starting monitored process 401 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:46:09,138 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (401)] Waiting until timeout for monitored process [2024-11-08 23:46:09,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:46:09,927 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:46:09,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:46:09,950 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:46:09,951 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:46:10,172 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:46:10,178 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (401)] Ended with exit code 0 [2024-11-08 23:46:10,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:46:10,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:46:10,186 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:46:10,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:46:10,186 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:46:10,186 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:46:10,187 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:46:10,187 INFO L229 MonitoredProcess]: Starting monitored process 402 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:46:10,189 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (402)] Waiting until timeout for monitored process [2024-11-08 23:46:10,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:46:10,991 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:46:11,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:46:11,014 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:46:11,015 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:46:11,203 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:46:11,209 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (402)] Ended with exit code 0 [2024-11-08 23:46:11,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:46:11,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:46:11,216 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:46:11,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:46:11,216 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:46:11,216 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:46:11,216 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:46:11,217 INFO L229 MonitoredProcess]: Starting monitored process 403 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:46:11,219 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (403)] Waiting until timeout for monitored process [2024-11-08 23:46:12,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:46:12,017 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:46:12,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:46:12,040 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:46:12,040 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:46:12,228 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:46:12,235 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (403)] Ended with exit code 0 [2024-11-08 23:46:12,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:46:12,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:46:12,242 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:46:12,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:46:12,242 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:46:12,242 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:46:12,242 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:46:12,243 INFO L229 MonitoredProcess]: Starting monitored process 404 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:46:12,244 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (404)] Waiting until timeout for monitored process [2024-11-08 23:46:13,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:46:13,060 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:46:13,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:46:13,082 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:46:13,083 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:46:13,295 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:46:13,301 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (404)] Ended with exit code 0 [2024-11-08 23:46:13,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:46:13,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:46:13,315 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:46:13,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:46:13,315 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:46:13,315 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:46:13,315 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:46:13,316 INFO L229 MonitoredProcess]: Starting monitored process 405 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:46:13,317 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (405)] Waiting until timeout for monitored process [2024-11-08 23:46:14,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:46:14,112 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:46:14,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:46:14,135 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:46:14,135 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:46:14,328 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:46:14,334 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (405)] Forceful destruction successful, exit code 0 [2024-11-08 23:46:14,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:46:14,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:46:14,342 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:46:14,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:46:14,342 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:46:14,342 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:46:14,342 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:46:14,343 INFO L229 MonitoredProcess]: Starting monitored process 406 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:46:14,345 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (406)] Waiting until timeout for monitored process [2024-11-08 23:46:15,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:46:15,145 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:46:15,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:46:15,174 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:46:15,175 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:46:15,387 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:46:15,393 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (406)] Ended with exit code 0 [2024-11-08 23:46:15,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:46:15,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:46:15,401 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:46:15,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:46:15,402 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:46:15,402 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:46:15,402 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:46:15,403 INFO L229 MonitoredProcess]: Starting monitored process 407 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:46:15,404 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (407)] Waiting until timeout for monitored process [2024-11-08 23:46:16,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:46:16,200 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:46:16,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:46:16,222 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:46:16,223 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:46:16,429 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:46:16,435 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (407)] Ended with exit code 0 [2024-11-08 23:46:16,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:46:16,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:46:16,442 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:46:16,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:46:16,442 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:46:16,443 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:46:16,443 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:46:16,444 INFO L229 MonitoredProcess]: Starting monitored process 408 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:46:16,445 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (408)] Waiting until timeout for monitored process [2024-11-08 23:46:17,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:46:17,301 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:46:17,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:46:17,324 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:46:17,325 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:46:17,601 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:46:17,611 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (408)] Ended with exit code 0 [2024-11-08 23:46:17,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:46:17,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:46:17,621 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:46:17,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:46:17,621 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:46:17,621 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:46:17,621 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:46:17,624 INFO L229 MonitoredProcess]: Starting monitored process 409 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:46:17,625 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (409)] Waiting until timeout for monitored process [2024-11-08 23:46:18,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:46:18,560 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:46:18,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:46:18,584 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:46:18,584 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:46:18,833 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:46:18,839 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (409)] Ended with exit code 0 [2024-11-08 23:46:18,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:46:18,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:46:18,846 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:46:18,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:46:18,846 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:46:18,847 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:46:18,847 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:46:18,847 INFO L229 MonitoredProcess]: Starting monitored process 410 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:46:18,849 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (410)] Waiting until timeout for monitored process [2024-11-08 23:46:19,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:46:19,663 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:46:19,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:46:19,686 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:46:19,687 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:46:19,891 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:46:19,898 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (410)] Ended with exit code 0 [2024-11-08 23:46:19,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:46:19,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:46:19,905 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:46:19,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:46:19,905 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:46:19,905 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:46:19,906 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:46:19,906 INFO L229 MonitoredProcess]: Starting monitored process 411 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:46:19,908 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (411)] Waiting until timeout for monitored process [2024-11-08 23:46:20,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:46:20,724 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:46:20,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:46:20,748 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:46:20,749 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:46:20,887 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:46:20,894 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (411)] Forceful destruction successful, exit code 0 [2024-11-08 23:46:20,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:46:20,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:46:20,902 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:46:20,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:46:20,902 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:46:20,902 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:46:20,902 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:46:20,903 INFO L229 MonitoredProcess]: Starting monitored process 412 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:46:20,905 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (412)] Waiting until timeout for monitored process [2024-11-08 23:46:21,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:46:21,714 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:46:21,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:46:21,737 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:46:21,738 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:46:22,002 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:46:22,009 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (412)] Ended with exit code 0 [2024-11-08 23:46:22,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:46:22,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:46:22,016 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:46:22,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:46:22,016 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:46:22,017 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:46:22,017 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:46:22,018 INFO L229 MonitoredProcess]: Starting monitored process 413 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:46:22,019 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (413)] Waiting until timeout for monitored process [2024-11-08 23:46:22,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:46:22,935 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:46:22,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:46:22,961 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:46:22,961 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:46:23,192 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:46:23,201 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (413)] Forceful destruction successful, exit code 0 [2024-11-08 23:46:23,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:46:23,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:46:23,210 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:46:23,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:46:23,210 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:46:23,210 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:46:23,211 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:46:23,211 INFO L229 MonitoredProcess]: Starting monitored process 414 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:46:23,212 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (414)] Waiting until timeout for monitored process [2024-11-08 23:46:24,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:46:24,132 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:46:24,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:46:24,165 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:46:24,166 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:46:24,473 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:46:24,483 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (414)] Ended with exit code 0 [2024-11-08 23:46:24,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:46:24,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:46:24,493 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:46:24,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:46:24,493 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:46:24,493 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:46:24,493 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:46:24,496 INFO L229 MonitoredProcess]: Starting monitored process 415 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:46:24,497 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (415)] Waiting until timeout for monitored process [2024-11-08 23:46:25,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:46:25,379 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:46:25,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:46:25,413 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:46:25,414 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:46:25,625 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:46:25,632 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (415)] Ended with exit code 0 [2024-11-08 23:46:25,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:46:25,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:46:25,640 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:46:25,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:46:25,640 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:46:25,640 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:46:25,640 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:46:25,641 INFO L229 MonitoredProcess]: Starting monitored process 416 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:46:25,643 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (416)] Waiting until timeout for monitored process [2024-11-08 23:46:26,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:46:26,468 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:46:26,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:46:26,492 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:46:26,492 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:46:26,707 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:46:26,714 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (416)] Ended with exit code 0 [2024-11-08 23:46:26,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:46:26,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:46:26,721 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:46:26,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:46:26,722 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:46:26,722 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:46:26,722 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:46:26,723 INFO L229 MonitoredProcess]: Starting monitored process 417 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:46:26,724 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (417)] Waiting until timeout for monitored process [2024-11-08 23:46:27,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:46:27,555 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:46:27,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:46:27,579 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:46:27,579 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:46:27,810 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:46:27,816 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (417)] Ended with exit code 0 [2024-11-08 23:46:27,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:46:27,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:46:27,823 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:46:27,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:46:27,824 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:46:27,824 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:46:27,824 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:46:27,825 INFO L229 MonitoredProcess]: Starting monitored process 418 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:46:27,826 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (418)] Waiting until timeout for monitored process [2024-11-08 23:46:28,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:46:28,667 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:46:28,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:46:28,691 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:46:28,691 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:46:28,910 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:46:28,917 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (418)] Forceful destruction successful, exit code 0 [2024-11-08 23:46:28,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:46:28,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:46:28,925 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:46:28,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:46:28,926 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:46:28,926 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:46:28,926 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:46:28,927 INFO L229 MonitoredProcess]: Starting monitored process 419 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:46:28,928 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (419)] Waiting until timeout for monitored process [2024-11-08 23:46:29,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:46:29,750 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:46:29,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:46:29,773 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:46:29,773 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:46:29,976 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:46:29,983 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (419)] Ended with exit code 0 [2024-11-08 23:46:29,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:46:29,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:46:29,990 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:46:29,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:46:29,990 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:46:29,990 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:46:29,990 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:46:29,991 INFO L229 MonitoredProcess]: Starting monitored process 420 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:46:29,992 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (420)] Waiting until timeout for monitored process [2024-11-08 23:46:30,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:46:30,827 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:46:30,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:46:30,852 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:46:30,853 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:46:31,205 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:46:31,214 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (420)] Forceful destruction successful, exit code 0 [2024-11-08 23:46:31,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:46:31,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:46:31,224 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:46:31,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:46:31,224 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:46:31,224 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:46:31,224 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:46:31,227 INFO L229 MonitoredProcess]: Starting monitored process 421 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:46:31,228 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (421)] Waiting until timeout for monitored process [2024-11-08 23:46:32,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:46:32,068 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:46:32,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:46:32,091 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:46:32,092 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:46:32,254 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:46:32,260 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (421)] Ended with exit code 0 [2024-11-08 23:46:32,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:46:32,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:46:32,274 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:46:32,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:46:32,274 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:46:32,274 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:46:32,274 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:46:32,277 INFO L229 MonitoredProcess]: Starting monitored process 422 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:46:32,278 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (422)] Waiting until timeout for monitored process [2024-11-08 23:46:33,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:46:33,144 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:46:33,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:46:33,170 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:46:33,170 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:46:33,384 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:46:33,391 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (422)] Forceful destruction successful, exit code 0 [2024-11-08 23:46:33,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:46:33,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:46:33,398 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:46:33,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:46:33,398 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:46:33,399 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:46:33,399 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:46:33,400 INFO L229 MonitoredProcess]: Starting monitored process 423 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:46:33,401 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (423)] Waiting until timeout for monitored process [2024-11-08 23:46:34,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:46:34,238 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:46:34,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:46:34,268 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:46:34,269 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:46:34,496 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:46:34,503 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (423)] Forceful destruction successful, exit code 0 [2024-11-08 23:46:34,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:46:34,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:46:34,510 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:46:34,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:46:34,510 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:46:34,510 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:46:34,510 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:46:34,511 INFO L229 MonitoredProcess]: Starting monitored process 424 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:46:34,512 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (424)] Waiting until timeout for monitored process [2024-11-08 23:46:35,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:46:35,347 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:46:35,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:46:35,369 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:46:35,370 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:46:35,568 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:46:35,575 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (424)] Ended with exit code 0 [2024-11-08 23:46:35,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:46:35,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:46:35,589 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:46:35,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:46:35,589 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:46:35,590 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:46:35,590 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:46:35,590 INFO L229 MonitoredProcess]: Starting monitored process 425 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:46:35,591 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (425)] Waiting until timeout for monitored process [2024-11-08 23:46:36,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:46:36,425 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:46:36,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:46:36,448 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:46:36,449 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:46:36,670 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:46:36,677 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (425)] Forceful destruction successful, exit code 0 [2024-11-08 23:46:36,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:46:36,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:46:36,685 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:46:36,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:46:36,685 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:46:36,685 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:46:36,685 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:46:36,686 INFO L229 MonitoredProcess]: Starting monitored process 426 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:46:36,687 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (426)] Waiting until timeout for monitored process [2024-11-08 23:46:37,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:46:37,516 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:46:37,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:46:37,544 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:46:37,544 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:46:37,752 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:46:37,759 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (426)] Forceful destruction successful, exit code 0 [2024-11-08 23:46:37,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:46:37,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:46:37,766 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:46:37,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:46:37,766 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:46:37,766 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:46:37,766 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:46:37,767 INFO L229 MonitoredProcess]: Starting monitored process 427 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:46:37,768 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (427)] Waiting until timeout for monitored process [2024-11-08 23:46:38,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:46:38,599 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:46:38,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:46:38,623 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:46:38,623 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:46:38,847 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:46:38,856 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (427)] Forceful destruction successful, exit code 0 [2024-11-08 23:46:38,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:46:38,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:46:38,870 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:46:38,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:46:38,870 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:46:38,871 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:46:38,871 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:46:38,871 INFO L229 MonitoredProcess]: Starting monitored process 428 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:46:38,872 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (428)] Waiting until timeout for monitored process [2024-11-08 23:46:39,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:46:39,700 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:46:39,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:46:39,737 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:46:39,737 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:46:39,971 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:46:39,981 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (428)] Forceful destruction successful, exit code 0 [2024-11-08 23:46:39,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:46:39,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:46:39,988 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:46:39,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:46:39,988 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:46:39,988 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:46:39,988 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:46:39,989 INFO L229 MonitoredProcess]: Starting monitored process 429 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:46:39,990 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (429)] Waiting until timeout for monitored process [2024-11-08 23:46:40,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:46:40,822 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:46:40,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:46:40,850 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:46:40,851 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:46:41,060 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:46:41,068 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (429)] Forceful destruction successful, exit code 0 [2024-11-08 23:46:41,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:46:41,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:46:41,076 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:46:41,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:46:41,077 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:46:41,077 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:46:41,077 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:46:41,078 INFO L229 MonitoredProcess]: Starting monitored process 430 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:46:41,079 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (430)] Waiting until timeout for monitored process [2024-11-08 23:46:41,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:46:41,923 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:46:41,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:46:41,947 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:46:41,948 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:46:42,166 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:46:42,175 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (430)] Ended with exit code 0 [2024-11-08 23:46:42,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:46:42,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:46:42,182 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:46:42,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:46:42,183 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:46:42,183 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:46:42,183 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:46:42,184 INFO L229 MonitoredProcess]: Starting monitored process 431 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:46:42,188 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (431)] Waiting until timeout for monitored process [2024-11-08 23:46:43,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:46:43,028 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:46:43,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:46:43,052 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:46:43,053 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:46:43,282 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:46:43,291 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (431)] Forceful destruction successful, exit code 0 [2024-11-08 23:46:43,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:46:43,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:46:43,299 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:46:43,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:46:43,300 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:46:43,300 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:46:43,300 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:46:43,301 INFO L229 MonitoredProcess]: Starting monitored process 432 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:46:43,302 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (432)] Waiting until timeout for monitored process [2024-11-08 23:46:44,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:46:44,137 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:46:44,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:46:44,161 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:46:44,162 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:46:44,379 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:46:44,387 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (432)] Forceful destruction successful, exit code 0 [2024-11-08 23:46:44,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:46:44,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:46:44,399 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:46:44,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:46:44,399 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:46:44,399 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:46:44,399 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:46:44,400 INFO L229 MonitoredProcess]: Starting monitored process 433 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:46:44,401 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (433)] Waiting until timeout for monitored process [2024-11-08 23:46:45,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:46:45,319 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:46:45,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:46:45,349 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:46:45,350 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:46:45,558 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:46:45,567 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (433)] Ended with exit code 0 [2024-11-08 23:46:45,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:46:45,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:46:45,574 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:46:45,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:46:45,575 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:46:45,575 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:46:45,575 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:46:45,576 INFO L229 MonitoredProcess]: Starting monitored process 434 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:46:45,577 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (434)] Waiting until timeout for monitored process [2024-11-08 23:46:46,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:46:46,417 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:46:46,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:46:46,440 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:46:46,441 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:46:46,660 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:46:46,668 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (434)] Forceful destruction successful, exit code 0 [2024-11-08 23:46:46,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:46:46,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:46:46,676 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:46:46,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:46:46,676 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:46:46,676 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:46:46,676 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:46:46,677 INFO L229 MonitoredProcess]: Starting monitored process 435 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:46:46,678 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (435)] Waiting until timeout for monitored process [2024-11-08 23:46:47,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:46:47,514 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:46:47,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:46:47,539 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:46:47,540 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:46:47,764 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:46:47,773 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (435)] Forceful destruction successful, exit code 0 [2024-11-08 23:46:47,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:46:47,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:46:47,781 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:46:47,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:46:47,781 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:46:47,781 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:46:47,781 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:46:47,782 INFO L229 MonitoredProcess]: Starting monitored process 436 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:46:47,783 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (436)] Waiting until timeout for monitored process [2024-11-08 23:46:48,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:46:48,625 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:46:48,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:46:48,649 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:46:48,650 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:46:48,871 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:46:48,879 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (436)] Forceful destruction successful, exit code 0 [2024-11-08 23:46:48,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:46:48,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:46:48,886 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:46:48,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:46:48,887 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:46:48,887 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:46:48,887 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:46:48,888 INFO L229 MonitoredProcess]: Starting monitored process 437 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:46:48,889 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (437)] Waiting until timeout for monitored process [2024-11-08 23:46:49,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:46:49,734 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:46:49,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:46:49,757 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:46:49,758 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:46:50,004 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:46:50,013 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (437)] Forceful destruction successful, exit code 0 [2024-11-08 23:46:50,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:46:50,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:46:50,021 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:46:50,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:46:50,021 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:46:50,021 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:46:50,021 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:46:50,022 INFO L229 MonitoredProcess]: Starting monitored process 438 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:46:50,023 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (438)] Waiting until timeout for monitored process [2024-11-08 23:46:50,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:46:50,868 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:46:50,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:46:50,891 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:46:50,891 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:46:51,126 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:46:51,135 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (438)] Forceful destruction successful, exit code 0 [2024-11-08 23:46:51,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:46:51,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:46:51,143 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:46:51,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:46:51,143 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:46:51,143 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:46:51,143 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:46:51,144 INFO L229 MonitoredProcess]: Starting monitored process 439 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:46:51,145 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (439)] Waiting until timeout for monitored process [2024-11-08 23:46:51,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:46:51,991 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:46:52,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:46:52,013 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:46:52,014 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:46:52,203 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:46:52,212 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (439)] Forceful destruction successful, exit code 0 [2024-11-08 23:46:52,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:46:52,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:46:52,219 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:46:52,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:46:52,219 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:46:52,219 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:46:52,220 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:46:52,222 INFO L229 MonitoredProcess]: Starting monitored process 440 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:46:52,223 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (440)] Waiting until timeout for monitored process [2024-11-08 23:46:53,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:46:53,099 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:46:53,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:46:53,122 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:46:53,123 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:46:53,366 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:46:53,376 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (440)] Ended with exit code 0 [2024-11-08 23:46:53,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:46:53,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:46:53,383 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:46:53,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:46:53,383 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:46:53,383 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:46:53,383 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:46:53,384 INFO L229 MonitoredProcess]: Starting monitored process 441 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:46:53,385 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (441)] Waiting until timeout for monitored process [2024-11-08 23:46:54,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:46:54,243 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:46:54,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:46:54,267 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:46:54,267 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:46:54,503 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:46:54,513 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (441)] Forceful destruction successful, exit code 0 [2024-11-08 23:46:54,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:46:54,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:46:54,521 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:46:54,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:46:54,522 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:46:54,522 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:46:54,522 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:46:54,523 INFO L229 MonitoredProcess]: Starting monitored process 442 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:46:54,524 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (442)] Waiting until timeout for monitored process [2024-11-08 23:46:55,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:46:55,394 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:46:55,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:46:55,417 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:46:55,418 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:46:55,650 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:46:55,660 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (442)] Forceful destruction successful, exit code 0 [2024-11-08 23:46:55,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:46:55,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:46:55,667 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:46:55,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:46:55,667 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:46:55,667 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:46:55,667 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:46:55,668 INFO L229 MonitoredProcess]: Starting monitored process 443 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:46:55,669 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (443)] Waiting until timeout for monitored process [2024-11-08 23:46:56,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:46:56,533 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:46:56,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:46:56,558 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:46:56,559 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:46:56,776 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:46:56,786 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (443)] Forceful destruction successful, exit code 0 [2024-11-08 23:46:56,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:46:56,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:46:56,794 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:46:56,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:46:56,794 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:46:56,795 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:46:56,795 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:46:56,796 INFO L229 MonitoredProcess]: Starting monitored process 444 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:46:56,796 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (444)] Waiting until timeout for monitored process [2024-11-08 23:46:57,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:46:57,660 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:46:57,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:46:57,702 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:46:57,703 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:46:57,938 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:46:57,949 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (444)] Forceful destruction successful, exit code 0 [2024-11-08 23:46:57,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:46:57,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:46:57,956 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:46:57,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:46:57,957 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:46:57,957 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:46:57,957 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:46:57,958 INFO L229 MonitoredProcess]: Starting monitored process 445 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:46:57,959 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (445)] Waiting until timeout for monitored process [2024-11-08 23:46:58,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:46:58,831 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:46:58,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:46:58,854 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:46:58,855 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:46:59,082 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:46:59,092 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (445)] Forceful destruction successful, exit code 0 [2024-11-08 23:46:59,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:46:59,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:46:59,100 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:46:59,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:46:59,100 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:46:59,101 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:46:59,101 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:46:59,102 INFO L229 MonitoredProcess]: Starting monitored process 446 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:46:59,102 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (446)] Waiting until timeout for monitored process [2024-11-08 23:46:59,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:46:59,978 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:47:00,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:47:00,002 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:47:00,003 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:47:00,239 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:47:00,249 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (446)] Forceful destruction successful, exit code 0 [2024-11-08 23:47:00,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:47:00,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:47:00,257 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:47:00,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:47:00,257 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:47:00,257 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:47:00,257 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:47:00,258 INFO L229 MonitoredProcess]: Starting monitored process 447 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:47:00,260 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (447)] Waiting until timeout for monitored process [2024-11-08 23:47:01,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:47:01,134 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:47:01,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:47:01,177 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:47:01,178 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:47:01,419 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:47:01,429 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (447)] Ended with exit code 0 [2024-11-08 23:47:01,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:47:01,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:47:01,437 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:47:01,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:47:01,437 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:47:01,437 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:47:01,437 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:47:01,438 INFO L229 MonitoredProcess]: Starting monitored process 448 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:47:01,439 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (448)] Waiting until timeout for monitored process [2024-11-08 23:47:02,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:47:02,309 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:47:02,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:47:02,333 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:47:02,334 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:47:02,575 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:47:02,589 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (448)] Forceful destruction successful, exit code 0 [2024-11-08 23:47:02,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:47:02,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:47:02,603 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:47:02,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:47:02,603 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:47:02,604 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:47:02,604 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:47:02,607 INFO L229 MonitoredProcess]: Starting monitored process 449 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:47:02,608 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (449)] Waiting until timeout for monitored process [2024-11-08 23:47:03,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:47:03,594 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:47:03,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:47:03,650 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:47:03,651 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:47:03,951 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:47:03,962 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (449)] Ended with exit code 0 [2024-11-08 23:47:03,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:47:03,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:47:03,969 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:47:03,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:47:03,969 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:47:03,970 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:47:03,970 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:47:03,971 INFO L229 MonitoredProcess]: Starting monitored process 450 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:47:03,972 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (450)] Waiting until timeout for monitored process [2024-11-08 23:47:04,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:47:04,865 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:47:04,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:47:04,893 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:47:04,894 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:47:05,278 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:47:05,292 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (450)] Forceful destruction successful, exit code 0 [2024-11-08 23:47:05,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:47:05,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:47:05,301 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:47:05,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:47:05,301 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:47:05,301 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:47:05,301 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:47:05,304 INFO L229 MonitoredProcess]: Starting monitored process 451 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:47:05,305 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (451)] Waiting until timeout for monitored process [2024-11-08 23:47:06,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:47:06,188 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:47:06,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:47:06,211 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:47:06,212 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:47:06,421 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:47:06,432 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (451)] Ended with exit code 0 [2024-11-08 23:47:06,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:47:06,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:47:06,440 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:47:06,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:47:06,443 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:47:06,443 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:47:06,443 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:47:06,444 INFO L229 MonitoredProcess]: Starting monitored process 452 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:47:06,445 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (452)] Waiting until timeout for monitored process [2024-11-08 23:47:07,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:47:07,322 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:47:07,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:47:07,345 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:47:07,346 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:47:07,585 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:47:07,594 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (452)] Ended with exit code 0 [2024-11-08 23:47:07,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:47:07,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:47:07,602 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:47:07,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:47:07,603 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:47:07,603 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:47:07,603 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:47:07,604 INFO L229 MonitoredProcess]: Starting monitored process 453 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:47:07,605 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (453)] Waiting until timeout for monitored process [2024-11-08 23:47:08,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:47:08,488 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:47:08,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:47:08,518 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:47:08,519 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:47:08,735 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:47:08,745 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (453)] Ended with exit code 0 [2024-11-08 23:47:08,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:47:08,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:47:08,753 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:47:08,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:47:08,754 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:47:08,754 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:47:08,754 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:47:08,755 INFO L229 MonitoredProcess]: Starting monitored process 454 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:47:08,756 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (454)] Waiting until timeout for monitored process [2024-11-08 23:47:09,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:47:09,642 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:47:09,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:47:09,664 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:47:09,665 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:47:09,870 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:47:09,880 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (454)] Forceful destruction successful, exit code 0 [2024-11-08 23:47:09,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:47:09,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:47:09,887 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:47:09,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:47:09,888 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:47:09,888 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:47:09,888 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:47:09,889 INFO L229 MonitoredProcess]: Starting monitored process 455 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:47:09,890 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (455)] Waiting until timeout for monitored process [2024-11-08 23:47:10,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:47:10,767 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:47:10,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:47:10,790 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:47:10,791 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:47:11,005 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:47:11,014 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (455)] Forceful destruction successful, exit code 0 [2024-11-08 23:47:11,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:47:11,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:47:11,022 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:47:11,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:47:11,023 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:47:11,023 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:47:11,023 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:47:11,024 INFO L229 MonitoredProcess]: Starting monitored process 456 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:47:11,025 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (456)] Waiting until timeout for monitored process [2024-11-08 23:47:11,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:47:11,908 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:47:11,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:47:11,930 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:47:11,931 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:47:12,101 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:47:12,111 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (456)] Forceful destruction successful, exit code 0 [2024-11-08 23:47:12,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:47:12,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:47:12,119 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:47:12,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:47:12,119 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:47:12,119 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:47:12,120 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:47:12,120 INFO L229 MonitoredProcess]: Starting monitored process 457 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:47:12,121 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (457)] Waiting until timeout for monitored process [2024-11-08 23:47:13,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:47:13,034 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:47:13,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:47:13,057 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:47:13,058 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:47:13,273 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:47:13,283 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (457)] Forceful destruction successful, exit code 0 [2024-11-08 23:47:13,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:47:13,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:47:13,290 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:47:13,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:47:13,291 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:47:13,291 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:47:13,291 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:47:13,293 INFO L229 MonitoredProcess]: Starting monitored process 458 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:47:13,293 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (458)] Waiting until timeout for monitored process [2024-11-08 23:47:14,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:47:14,176 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:47:14,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:47:14,202 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:47:14,203 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:47:14,423 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:47:14,432 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (458)] Ended with exit code 0 [2024-11-08 23:47:14,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:47:14,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:47:14,440 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:47:14,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:47:14,440 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:47:14,440 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:47:14,440 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:47:14,441 INFO L229 MonitoredProcess]: Starting monitored process 459 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:47:14,443 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (459)] Waiting until timeout for monitored process [2024-11-08 23:47:15,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:47:15,335 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:47:15,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:47:15,358 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:47:15,358 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:47:15,591 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:47:15,601 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (459)] Ended with exit code 0 [2024-11-08 23:47:15,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:47:15,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:47:15,608 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:47:15,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:47:15,608 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:47:15,609 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:47:15,609 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:47:15,610 INFO L229 MonitoredProcess]: Starting monitored process 460 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:47:15,610 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (460)] Waiting until timeout for monitored process [2024-11-08 23:47:16,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:47:16,498 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:47:16,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:47:16,523 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:47:16,524 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:47:16,763 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:47:16,773 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (460)] Forceful destruction successful, exit code 0 [2024-11-08 23:47:16,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:47:16,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:47:16,781 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:47:16,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:47:16,782 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:47:16,782 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:47:16,782 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:47:16,783 INFO L229 MonitoredProcess]: Starting monitored process 461 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:47:16,784 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (461)] Waiting until timeout for monitored process [2024-11-08 23:47:17,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:47:17,674 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:47:17,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:47:17,697 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:47:17,698 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:47:17,971 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:47:17,981 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (461)] Forceful destruction successful, exit code 0 [2024-11-08 23:47:17,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:47:17,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:47:17,989 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:47:17,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:47:17,989 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:47:17,989 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:47:17,989 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:47:17,990 INFO L229 MonitoredProcess]: Starting monitored process 462 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:47:17,991 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (462)] Waiting until timeout for monitored process [2024-11-08 23:47:18,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:47:18,885 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:47:18,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:47:18,909 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:47:18,910 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:47:19,125 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:47:19,137 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (462)] Forceful destruction successful, exit code 0 [2024-11-08 23:47:19,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:47:19,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:47:19,144 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:47:19,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:47:19,145 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:47:19,145 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:47:19,145 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:47:19,146 INFO L229 MonitoredProcess]: Starting monitored process 463 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:47:19,147 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (463)] Waiting until timeout for monitored process [2024-11-08 23:47:20,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:47:20,051 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:47:20,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:47:20,076 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:47:20,077 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:47:20,301 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:47:20,312 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (463)] Forceful destruction successful, exit code 0 [2024-11-08 23:47:20,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:47:20,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:47:20,319 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:47:20,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:47:20,319 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:47:20,320 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:47:20,320 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:47:20,321 INFO L229 MonitoredProcess]: Starting monitored process 464 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:47:20,322 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (464)] Waiting until timeout for monitored process [2024-11-08 23:47:21,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:47:21,211 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:47:21,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:47:21,235 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:47:21,236 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:47:21,468 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:47:21,478 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (464)] Ended with exit code 0 [2024-11-08 23:47:21,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:47:21,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:47:21,485 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:47:21,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:47:21,485 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:47:21,485 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:47:21,485 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:47:21,486 INFO L229 MonitoredProcess]: Starting monitored process 465 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:47:21,487 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (465)] Waiting until timeout for monitored process [2024-11-08 23:47:22,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:47:22,384 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:47:22,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:47:22,407 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:47:22,408 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:47:22,720 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:47:22,734 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (465)] Ended with exit code 0 [2024-11-08 23:47:22,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:47:22,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:47:22,743 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:47:22,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:47:22,743 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:47:22,743 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:47:22,743 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:47:22,744 INFO L229 MonitoredProcess]: Starting monitored process 466 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:47:22,746 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (466)] Waiting until timeout for monitored process [2024-11-08 23:47:23,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:47:23,652 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:47:23,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:47:23,680 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:47:23,681 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:47:23,896 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:47:23,906 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (466)] Forceful destruction successful, exit code 0 [2024-11-08 23:47:23,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:47:23,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:47:23,914 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:47:23,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:47:23,914 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:47:23,914 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:47:23,914 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:47:23,917 INFO L229 MonitoredProcess]: Starting monitored process 467 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:47:23,919 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (467)] Waiting until timeout for monitored process [2024-11-08 23:47:24,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:47:24,821 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:47:24,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:47:24,844 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:47:24,845 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:47:25,065 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:47:25,075 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (467)] Ended with exit code 0 [2024-11-08 23:47:25,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:47:25,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:47:25,088 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:47:25,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:47:25,088 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:47:25,089 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:47:25,089 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:47:25,090 INFO L229 MonitoredProcess]: Starting monitored process 468 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:47:25,091 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (468)] Waiting until timeout for monitored process [2024-11-08 23:47:25,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:47:25,994 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:47:26,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:47:26,043 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:47:26,044 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:47:26,284 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:47:26,295 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (468)] Forceful destruction successful, exit code 0 [2024-11-08 23:47:26,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:47:26,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:47:26,307 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:47:26,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:47:26,308 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:47:26,308 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:47:26,308 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:47:26,311 INFO L229 MonitoredProcess]: Starting monitored process 469 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:47:26,312 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (469)] Waiting until timeout for monitored process [2024-11-08 23:47:27,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:47:27,231 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:47:27,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:47:27,277 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:47:27,277 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:47:27,525 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:47:27,536 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (469)] Ended with exit code 0 [2024-11-08 23:47:27,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:47:27,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:47:27,543 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:47:27,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:47:27,543 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:47:27,544 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:47:27,544 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:47:27,545 INFO L229 MonitoredProcess]: Starting monitored process 470 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:47:27,546 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (470)] Waiting until timeout for monitored process [2024-11-08 23:47:28,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:47:28,461 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:47:28,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:47:28,484 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:47:28,485 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:47:28,689 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:47:28,699 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (470)] Forceful destruction successful, exit code 0 [2024-11-08 23:47:28,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:47:28,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:47:28,707 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:47:28,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:47:28,707 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:47:28,707 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:47:28,707 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:47:28,708 INFO L229 MonitoredProcess]: Starting monitored process 471 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:47:28,709 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (471)] Waiting until timeout for monitored process [2024-11-08 23:47:29,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:47:29,614 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:47:29,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:47:29,655 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:47:29,656 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:47:29,837 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:47:29,847 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (471)] Ended with exit code 0 [2024-11-08 23:47:29,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:47:29,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:47:29,855 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:47:29,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:47:29,855 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:47:29,855 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:47:29,855 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:47:29,856 INFO L229 MonitoredProcess]: Starting monitored process 472 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:47:29,857 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (472)] Waiting until timeout for monitored process [2024-11-08 23:47:30,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:47:30,766 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:47:30,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:47:30,790 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:47:30,791 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:47:31,012 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:47:31,022 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (472)] Forceful destruction successful, exit code 0 [2024-11-08 23:47:31,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:47:31,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:47:31,030 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:47:31,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:47:31,030 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:47:31,030 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:47:31,030 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:47:31,033 INFO L229 MonitoredProcess]: Starting monitored process 473 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:47:31,034 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (473)] Waiting until timeout for monitored process [2024-11-08 23:47:31,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:47:31,952 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:47:31,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:47:31,975 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:47:31,976 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:47:32,189 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:47:32,199 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (473)] Forceful destruction successful, exit code 0 [2024-11-08 23:47:32,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:47:32,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:47:32,207 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:47:32,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:47:32,207 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:47:32,207 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:47:32,207 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:47:32,208 INFO L229 MonitoredProcess]: Starting monitored process 474 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:47:32,209 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (474)] Waiting until timeout for monitored process [2024-11-08 23:47:33,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:47:33,140 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:47:33,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:47:33,164 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:47:33,165 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:47:33,381 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:47:33,391 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (474)] Forceful destruction successful, exit code 0 [2024-11-08 23:47:33,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:47:33,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:47:33,399 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:47:33,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:47:33,400 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:47:33,400 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:47:33,400 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:47:33,401 INFO L229 MonitoredProcess]: Starting monitored process 475 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:47:33,402 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (475)] Waiting until timeout for monitored process [2024-11-08 23:47:34,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:47:34,313 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:47:34,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:47:34,337 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:47:34,338 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:47:34,541 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:47:34,552 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (475)] Forceful destruction successful, exit code 0 [2024-11-08 23:47:34,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:47:34,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:47:34,559 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:47:34,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:47:34,559 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:47:34,559 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:47:34,560 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:47:34,560 INFO L229 MonitoredProcess]: Starting monitored process 476 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:47:34,561 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (476)] Waiting until timeout for monitored process [2024-11-08 23:47:35,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:47:35,475 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:47:35,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:47:35,506 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:47:35,507 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:47:35,736 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:47:35,746 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (476)] Forceful destruction successful, exit code 0 [2024-11-08 23:47:35,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:47:35,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:47:35,753 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:47:35,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:47:35,754 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:47:35,754 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:47:35,754 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:47:35,755 INFO L229 MonitoredProcess]: Starting monitored process 477 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:47:35,756 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (477)] Waiting until timeout for monitored process [2024-11-08 23:47:36,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:47:36,671 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:47:36,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:47:36,693 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:47:36,694 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:47:36,875 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:47:36,885 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (477)] Ended with exit code 0 [2024-11-08 23:47:36,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:47:36,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:47:36,899 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:47:36,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:47:36,899 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:47:36,900 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:47:36,900 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:47:36,901 INFO L229 MonitoredProcess]: Starting monitored process 478 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:47:36,902 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (478)] Waiting until timeout for monitored process [2024-11-08 23:47:37,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:47:37,816 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:47:37,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:47:37,864 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:47:37,865 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:47:38,069 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:47:38,080 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (478)] Forceful destruction successful, exit code 0 [2024-11-08 23:47:38,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:47:38,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:47:38,087 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:47:38,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:47:38,087 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:47:38,087 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:47:38,087 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:47:38,088 INFO L229 MonitoredProcess]: Starting monitored process 479 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:47:38,090 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (479)] Waiting until timeout for monitored process [2024-11-08 23:47:39,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:47:39,025 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:47:39,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:47:39,047 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:47:39,048 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:47:39,274 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:47:39,284 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (479)] Forceful destruction successful, exit code 0 [2024-11-08 23:47:39,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:47:39,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:47:39,292 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:47:39,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:47:39,292 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:47:39,292 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:47:39,292 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:47:39,293 INFO L229 MonitoredProcess]: Starting monitored process 480 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:47:39,294 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (480)] Waiting until timeout for monitored process [2024-11-08 23:47:40,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:47:40,219 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:47:40,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:47:40,244 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:47:40,245 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:47:40,456 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:47:40,467 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (480)] Forceful destruction successful, exit code 0 [2024-11-08 23:47:40,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:47:40,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:47:40,476 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:47:40,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:47:40,476 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:47:40,476 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:47:40,476 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:47:40,479 INFO L229 MonitoredProcess]: Starting monitored process 481 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:47:40,480 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (481)] Waiting until timeout for monitored process [2024-11-08 23:47:41,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:47:41,418 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:47:41,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:47:41,441 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-08 23:47:41,442 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:47:41,586 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:47:41,595 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (481)] Ended with exit code 0 [2024-11-08 23:47:41,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:47:41,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:47:41,603 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:47:41,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:47:41,603 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:47:41,603 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:47:41,603 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:47:41,604 INFO L229 MonitoredProcess]: Starting monitored process 482 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:47:41,605 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (482)] Waiting until timeout for monitored process [2024-11-08 23:47:42,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:47:42,547 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:47:42,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:47:42,578 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:47:42,580 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:47:42,864 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:47:42,875 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (482)] Forceful destruction successful, exit code 0 [2024-11-08 23:47:42,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:47:42,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:47:42,882 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:47:42,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:47:42,882 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:47:42,882 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:47:42,882 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:47:42,883 INFO L229 MonitoredProcess]: Starting monitored process 483 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:47:42,884 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (483)] Waiting until timeout for monitored process [2024-11-08 23:47:43,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:47:43,814 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:47:43,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:47:43,838 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:47:43,838 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:47:44,050 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:47:44,061 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (483)] Ended with exit code 0 [2024-11-08 23:47:44,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:47:44,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:47:44,068 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:47:44,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:47:44,069 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:47:44,069 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:47:44,069 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:47:44,070 INFO L229 MonitoredProcess]: Starting monitored process 484 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:47:44,071 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (484)] Waiting until timeout for monitored process [2024-11-08 23:47:44,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:47:44,998 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:47:45,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:47:45,021 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:47:45,022 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:47:45,237 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:47:45,247 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (484)] Ended with exit code 0 [2024-11-08 23:47:45,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:47:45,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:47:45,256 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:47:45,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:47:45,256 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:47:45,256 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:47:45,256 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:47:45,257 INFO L229 MonitoredProcess]: Starting monitored process 485 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:47:45,258 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (485)] Waiting until timeout for monitored process [2024-11-08 23:47:46,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:47:46,195 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:47:46,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:47:46,219 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:47:46,220 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:47:46,428 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:47:46,439 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (485)] Ended with exit code 0 [2024-11-08 23:47:46,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:47:46,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:47:46,447 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:47:46,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:47:46,447 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:47:46,447 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:47:46,447 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:47:46,448 INFO L229 MonitoredProcess]: Starting monitored process 486 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:47:46,449 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (486)] Waiting until timeout for monitored process [2024-11-08 23:47:47,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:47:47,380 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:47:47,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:47:47,410 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:47:47,411 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:47:47,623 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:47:47,634 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (486)] Ended with exit code 0 [2024-11-08 23:47:47,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:47:47,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:47:47,642 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:47:47,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:47:47,642 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:47:47,642 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:47:47,642 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:47:47,643 INFO L229 MonitoredProcess]: Starting monitored process 487 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:47:47,644 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (487)] Waiting until timeout for monitored process [2024-11-08 23:47:48,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:47:48,581 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:47:48,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:47:48,605 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:47:48,606 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:47:48,767 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:47:48,777 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (487)] Ended with exit code 0 [2024-11-08 23:47:48,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:47:48,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:47:48,786 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:47:48,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:47:48,786 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:47:48,786 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:47:48,786 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:47:48,789 INFO L229 MonitoredProcess]: Starting monitored process 488 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:47:48,790 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (488)] Waiting until timeout for monitored process [2024-11-08 23:47:49,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:47:49,735 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:47:49,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:47:49,758 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:47:49,759 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:47:49,981 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:47:49,991 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (488)] Forceful destruction successful, exit code 0 [2024-11-08 23:47:49,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:47:49,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:47:49,998 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:47:49,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:47:49,999 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:47:49,999 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:47:49,999 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:47:50,000 INFO L229 MonitoredProcess]: Starting monitored process 489 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:47:50,001 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (489)] Waiting until timeout for monitored process [2024-11-08 23:47:50,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:47:50,940 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:47:50,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:47:50,963 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:47:50,963 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:47:51,221 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:47:51,232 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (489)] Forceful destruction successful, exit code 0 [2024-11-08 23:47:51,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:47:51,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:47:51,239 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:47:51,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:47:51,239 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:47:51,239 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:47:51,239 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:47:51,240 INFO L229 MonitoredProcess]: Starting monitored process 490 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:47:51,241 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (490)] Waiting until timeout for monitored process [2024-11-08 23:47:52,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:47:52,176 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:47:52,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:47:52,206 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:47:52,207 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:47:52,504 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:47:52,519 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (490)] Forceful destruction successful, exit code 0 [2024-11-08 23:47:52,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:47:52,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:47:52,533 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:47:52,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:47:52,533 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:47:52,533 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:47:52,534 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:47:52,536 INFO L229 MonitoredProcess]: Starting monitored process 491 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:47:52,537 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (491)] Waiting until timeout for monitored process [2024-11-08 23:47:53,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:47:53,513 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:47:53,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:47:53,538 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:47:53,538 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:47:53,776 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:47:53,786 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (491)] Ended with exit code 0 [2024-11-08 23:47:53,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:47:53,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:47:53,794 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:47:53,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:47:53,794 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:47:53,794 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:47:53,795 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:47:53,795 INFO L229 MonitoredProcess]: Starting monitored process 492 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:47:53,796 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (492)] Waiting until timeout for monitored process [2024-11-08 23:47:54,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:47:54,740 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:47:54,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:47:54,764 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:47:54,765 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:47:54,992 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:47:55,003 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (492)] Forceful destruction successful, exit code 0 [2024-11-08 23:47:55,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:47:55,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:47:55,012 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:47:55,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:47:55,012 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:47:55,012 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:47:55,012 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:47:55,013 INFO L229 MonitoredProcess]: Starting monitored process 493 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:47:55,014 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (493)] Waiting until timeout for monitored process [2024-11-08 23:47:55,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:47:55,953 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:47:55,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:47:55,983 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:47:55,984 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:47:56,215 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:47:56,225 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (493)] Ended with exit code 0 [2024-11-08 23:47:56,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:47:56,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:47:56,233 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:47:56,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:47:56,233 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:47:56,233 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:47:56,233 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:47:56,234 INFO L229 MonitoredProcess]: Starting monitored process 494 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:47:56,235 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (494)] Waiting until timeout for monitored process [2024-11-08 23:47:57,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:47:57,174 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:47:57,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:47:57,197 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-08 23:47:57,197 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:47:57,342 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:47:57,353 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (494)] Forceful destruction successful, exit code 0 [2024-11-08 23:47:57,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:47:57,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:47:57,367 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:47:57,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:47:57,367 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:47:57,367 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:47:57,367 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:47:57,368 INFO L229 MonitoredProcess]: Starting monitored process 495 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:47:57,369 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (495)] Waiting until timeout for monitored process [2024-11-08 23:47:58,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:47:58,316 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:47:58,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:47:58,340 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:47:58,340 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:47:58,547 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:47:58,559 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (495)] Ended with exit code 0 [2024-11-08 23:47:58,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:47:58,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:47:58,567 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:47:58,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:47:58,567 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:47:58,567 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:47:58,567 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:47:58,568 INFO L229 MonitoredProcess]: Starting monitored process 496 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:47:58,569 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (496)] Waiting until timeout for monitored process [2024-11-08 23:47:59,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:47:59,517 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:47:59,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:47:59,541 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:47:59,542 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:47:59,758 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:47:59,772 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (496)] Ended with exit code 0 [2024-11-08 23:47:59,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:47:59,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:47:59,781 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:47:59,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:47:59,782 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:47:59,782 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:47:59,782 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:47:59,785 INFO L229 MonitoredProcess]: Starting monitored process 497 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:47:59,785 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (497)] Waiting until timeout for monitored process [2024-11-08 23:48:00,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:00,756 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:48:00,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:00,780 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:48:00,781 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:48:00,959 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:48:00,970 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (497)] Ended with exit code 0 [2024-11-08 23:48:00,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:48:00,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:48:00,978 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:48:00,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:48:00,979 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:48:00,979 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:48:00,979 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:48:00,980 INFO L229 MonitoredProcess]: Starting monitored process 498 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:48:00,981 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (498)] Waiting until timeout for monitored process [2024-11-08 23:48:01,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:01,933 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:48:01,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:01,958 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:48:01,958 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:48:02,178 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:48:02,188 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (498)] Forceful destruction successful, exit code 0 [2024-11-08 23:48:02,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:48:02,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:48:02,196 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:48:02,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:48:02,196 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:48:02,196 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:48:02,196 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:48:02,197 INFO L229 MonitoredProcess]: Starting monitored process 499 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:48:02,198 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (499)] Waiting until timeout for monitored process [2024-11-08 23:48:03,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:03,188 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:48:03,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:03,232 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:48:03,233 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:48:03,435 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:48:03,446 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (499)] Forceful destruction successful, exit code 0 [2024-11-08 23:48:03,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:48:03,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:48:03,453 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:48:03,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:48:03,453 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:48:03,453 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:48:03,453 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:48:03,454 INFO L229 MonitoredProcess]: Starting monitored process 500 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:48:03,455 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (500)] Waiting until timeout for monitored process [2024-11-08 23:48:04,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:04,414 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:48:04,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:04,444 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:48:04,444 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:48:04,653 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:48:04,664 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (500)] Ended with exit code 0 [2024-11-08 23:48:04,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:48:04,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:48:04,671 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:48:04,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:48:04,671 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:48:04,672 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:48:04,672 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:48:04,673 INFO L229 MonitoredProcess]: Starting monitored process 501 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:48:04,674 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (501)] Waiting until timeout for monitored process [2024-11-08 23:48:05,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:05,625 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:48:05,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:05,650 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:48:05,651 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:48:05,902 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:48:05,912 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (501)] Ended with exit code 0 [2024-11-08 23:48:05,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:48:05,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:48:05,920 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:48:05,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:48:05,920 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:48:05,921 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:48:05,921 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:48:05,921 INFO L229 MonitoredProcess]: Starting monitored process 502 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:48:05,923 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (502)] Waiting until timeout for monitored process [2024-11-08 23:48:06,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:06,881 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:48:06,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:06,904 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:48:06,904 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:48:07,107 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:48:07,119 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (502)] Ended with exit code 0 [2024-11-08 23:48:07,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:48:07,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:48:07,126 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:48:07,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:48:07,127 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:48:07,127 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:48:07,127 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:48:07,128 INFO L229 MonitoredProcess]: Starting monitored process 503 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:48:07,129 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (503)] Waiting until timeout for monitored process [2024-11-08 23:48:08,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:08,090 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:48:08,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:08,116 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-08 23:48:08,117 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:48:08,255 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:48:08,266 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (503)] Ended with exit code 0 [2024-11-08 23:48:08,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:48:08,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:48:08,273 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:48:08,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:48:08,274 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:48:08,274 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:48:08,274 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:48:08,275 INFO L229 MonitoredProcess]: Starting monitored process 504 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:48:08,276 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (504)] Waiting until timeout for monitored process [2024-11-08 23:48:09,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:09,238 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:48:09,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:09,262 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:48:09,263 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:48:09,492 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:48:09,502 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (504)] Forceful destruction successful, exit code 0 [2024-11-08 23:48:09,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:48:09,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:48:09,510 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:48:09,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:48:09,511 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:48:09,511 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:48:09,511 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:48:09,512 INFO L229 MonitoredProcess]: Starting monitored process 505 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:48:09,513 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (505)] Waiting until timeout for monitored process [2024-11-08 23:48:10,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:10,469 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:48:10,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:10,493 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:48:10,494 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:48:10,692 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:48:10,704 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (505)] Forceful destruction successful, exit code 0 [2024-11-08 23:48:10,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:48:10,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:48:10,711 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:48:10,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:48:10,712 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:48:10,712 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:48:10,712 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:48:10,713 INFO L229 MonitoredProcess]: Starting monitored process 506 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:48:10,714 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (506)] Waiting until timeout for monitored process [2024-11-08 23:48:11,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:11,673 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:48:11,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:11,697 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:48:11,698 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:48:11,936 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:48:11,947 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (506)] Forceful destruction successful, exit code 0 [2024-11-08 23:48:11,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:48:11,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:48:11,955 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:48:11,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:48:11,955 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:48:11,955 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:48:11,956 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:48:11,956 INFO L229 MonitoredProcess]: Starting monitored process 507 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:48:11,958 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (507)] Waiting until timeout for monitored process [2024-11-08 23:48:12,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:12,964 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:48:12,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:12,991 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:48:12,992 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:48:13,226 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:48:13,236 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (507)] Forceful destruction successful, exit code 0 [2024-11-08 23:48:13,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:48:13,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:48:13,244 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:48:13,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:48:13,244 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:48:13,244 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:48:13,244 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:48:13,245 INFO L229 MonitoredProcess]: Starting monitored process 508 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:48:13,247 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (508)] Waiting until timeout for monitored process [2024-11-08 23:48:14,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:14,210 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:48:14,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:14,234 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:48:14,235 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:48:14,479 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:48:14,491 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (508)] Ended with exit code 0 [2024-11-08 23:48:14,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:48:14,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:48:14,499 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:48:14,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:48:14,499 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:48:14,499 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:48:14,499 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:48:14,500 INFO L229 MonitoredProcess]: Starting monitored process 509 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:48:14,501 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (509)] Waiting until timeout for monitored process [2024-11-08 23:48:15,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:15,463 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:48:15,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:15,488 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:48:15,489 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:48:15,694 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:48:15,704 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (509)] Forceful destruction successful, exit code 0 [2024-11-08 23:48:15,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:48:15,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:48:15,711 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:48:15,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:48:15,712 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:48:15,712 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:48:15,712 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:48:15,713 INFO L229 MonitoredProcess]: Starting monitored process 510 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:48:15,714 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (510)] Waiting until timeout for monitored process [2024-11-08 23:48:16,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:16,679 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:48:16,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:16,701 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:48:16,702 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:48:16,915 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:48:16,927 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (510)] Forceful destruction successful, exit code 0 [2024-11-08 23:48:16,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:48:16,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:48:16,934 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:48:16,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:48:16,935 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:48:16,935 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:48:16,935 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:48:16,936 INFO L229 MonitoredProcess]: Starting monitored process 511 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:48:16,937 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (511)] Waiting until timeout for monitored process [2024-11-08 23:48:17,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:17,904 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:48:17,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:17,929 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:48:17,930 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:48:18,145 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:48:18,156 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (511)] Ended with exit code 0 [2024-11-08 23:48:18,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:48:18,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:48:18,165 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:48:18,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:48:18,165 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:48:18,165 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:48:18,166 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:48:18,168 INFO L229 MonitoredProcess]: Starting monitored process 512 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:48:18,172 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (512)] Waiting until timeout for monitored process [2024-11-08 23:48:19,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:19,162 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:48:19,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:19,187 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:48:19,188 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:48:19,423 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:48:19,435 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (512)] Forceful destruction successful, exit code 0 [2024-11-08 23:48:19,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:48:19,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:48:19,442 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:48:19,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:48:19,443 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:48:19,443 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:48:19,443 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:48:19,445 INFO L229 MonitoredProcess]: Starting monitored process 513 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:48:19,446 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (513)] Waiting until timeout for monitored process [2024-11-08 23:48:20,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:20,438 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:48:20,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:20,461 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:48:20,462 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:48:20,660 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:48:20,670 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (513)] Forceful destruction successful, exit code 0 [2024-11-08 23:48:20,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:48:20,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:48:20,679 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:48:20,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:48:20,679 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:48:20,679 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:48:20,680 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:48:20,680 INFO L229 MonitoredProcess]: Starting monitored process 514 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:48:20,681 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (514)] Waiting until timeout for monitored process [2024-11-08 23:48:21,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:21,655 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:48:21,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:21,679 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:48:21,680 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:48:21,925 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:48:21,936 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (514)] Forceful destruction successful, exit code 0 [2024-11-08 23:48:21,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:48:21,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:48:21,943 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:48:21,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:48:21,944 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:48:21,944 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:48:21,944 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:48:21,945 INFO L229 MonitoredProcess]: Starting monitored process 515 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:48:21,946 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (515)] Waiting until timeout for monitored process [2024-11-08 23:48:22,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:22,989 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:48:23,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:23,013 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:48:23,013 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:48:23,234 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:48:23,244 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (515)] Forceful destruction successful, exit code 0 [2024-11-08 23:48:23,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:48:23,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:48:23,251 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:48:23,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:48:23,251 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:48:23,251 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:48:23,251 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:48:23,252 INFO L229 MonitoredProcess]: Starting monitored process 516 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:48:23,253 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (516)] Waiting until timeout for monitored process [2024-11-08 23:48:24,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:24,230 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:48:24,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:24,254 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:48:24,255 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:48:24,450 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:48:24,461 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (516)] Forceful destruction successful, exit code 0 [2024-11-08 23:48:24,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:48:24,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:48:24,468 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:48:24,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:48:24,469 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:48:24,469 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:48:24,469 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:48:24,470 INFO L229 MonitoredProcess]: Starting monitored process 517 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:48:24,471 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (517)] Waiting until timeout for monitored process [2024-11-08 23:48:25,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:25,447 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:48:25,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:25,473 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:48:25,474 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:48:25,696 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:48:25,708 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (517)] Forceful destruction successful, exit code 0 [2024-11-08 23:48:25,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:48:25,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:48:25,715 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:48:25,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:48:25,715 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:48:25,716 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:48:25,716 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:48:25,716 INFO L229 MonitoredProcess]: Starting monitored process 518 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:48:25,717 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (518)] Waiting until timeout for monitored process [2024-11-08 23:48:26,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:26,707 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:48:26,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:26,731 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:48:26,732 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:48:26,946 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:48:26,957 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (518)] Forceful destruction successful, exit code 0 [2024-11-08 23:48:26,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:48:26,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:48:26,965 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:48:26,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:48:26,965 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:48:26,965 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:48:26,965 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:48:26,966 INFO L229 MonitoredProcess]: Starting monitored process 519 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:48:26,967 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (519)] Waiting until timeout for monitored process [2024-11-08 23:48:27,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:27,945 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:48:27,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:27,970 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-08 23:48:27,971 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:48:28,256 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:48:28,266 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (519)] Forceful destruction successful, exit code 0 [2024-11-08 23:48:28,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:48:28,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:48:28,274 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:48:28,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:48:28,274 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:48:28,274 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:48:28,274 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:48:28,275 INFO L229 MonitoredProcess]: Starting monitored process 520 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:48:28,276 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (520)] Waiting until timeout for monitored process [2024-11-08 23:48:29,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:29,256 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:48:29,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:29,279 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:48:29,280 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:48:29,508 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:48:29,520 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (520)] Forceful destruction successful, exit code 0 [2024-11-08 23:48:29,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:48:29,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:48:29,527 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:48:29,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:48:29,528 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:48:29,528 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:48:29,528 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:48:29,529 INFO L229 MonitoredProcess]: Starting monitored process 521 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:48:29,530 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (521)] Waiting until timeout for monitored process [2024-11-08 23:48:30,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:30,514 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:48:30,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:30,537 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:48:30,538 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:48:30,765 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:48:30,775 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (521)] Ended with exit code 0 [2024-11-08 23:48:30,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:48:30,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:48:30,782 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:48:30,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:48:30,782 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:48:30,783 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:48:30,783 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:48:30,784 INFO L229 MonitoredProcess]: Starting monitored process 522 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:48:30,784 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (522)] Waiting until timeout for monitored process [2024-11-08 23:48:31,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:31,772 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:48:31,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:31,796 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:48:31,797 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:48:32,011 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:48:32,022 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (522)] Forceful destruction successful, exit code 0 [2024-11-08 23:48:32,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:48:32,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:48:32,029 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:48:32,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:48:32,030 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:48:32,030 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:48:32,030 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:48:32,031 INFO L229 MonitoredProcess]: Starting monitored process 523 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:48:32,032 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (523)] Waiting until timeout for monitored process [2024-11-08 23:48:33,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:33,051 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:48:33,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:33,075 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:48:33,075 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:48:33,326 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:48:33,338 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (523)] Ended with exit code 0 [2024-11-08 23:48:33,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:48:33,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:48:33,351 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:48:33,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:48:33,352 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:48:33,352 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:48:33,352 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:48:33,353 INFO L229 MonitoredProcess]: Starting monitored process 524 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:48:33,354 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (524)] Waiting until timeout for monitored process [2024-11-08 23:48:34,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:34,340 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:48:34,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:34,365 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:48:34,366 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:48:34,604 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:48:34,615 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (524)] Ended with exit code 0 [2024-11-08 23:48:34,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:48:34,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:48:34,622 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:48:34,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:48:34,622 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:48:34,622 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:48:34,622 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:48:34,623 INFO L229 MonitoredProcess]: Starting monitored process 525 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:48:34,624 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (525)] Waiting until timeout for monitored process [2024-11-08 23:48:35,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:35,616 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:48:35,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:35,639 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:48:35,639 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:48:35,871 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:48:35,883 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (525)] Forceful destruction successful, exit code 0 [2024-11-08 23:48:35,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:48:35,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:48:35,890 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:48:35,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:48:35,890 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:48:35,891 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:48:35,891 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:48:35,891 INFO L229 MonitoredProcess]: Starting monitored process 526 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:48:35,892 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (526)] Waiting until timeout for monitored process [2024-11-08 23:48:36,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:36,892 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:48:36,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:36,915 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:48:36,916 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:48:37,114 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:48:37,125 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (526)] Forceful destruction successful, exit code 0 [2024-11-08 23:48:37,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:48:37,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:48:37,133 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:48:37,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:48:37,133 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:48:37,133 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:48:37,133 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:48:37,134 INFO L229 MonitoredProcess]: Starting monitored process 527 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:48:37,135 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (527)] Waiting until timeout for monitored process [2024-11-08 23:48:38,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:38,150 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:48:38,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:38,173 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:48:38,174 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:48:38,397 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:48:38,409 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (527)] Forceful destruction successful, exit code 0 [2024-11-08 23:48:38,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:48:38,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:48:38,417 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:48:38,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:48:38,417 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:48:38,417 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:48:38,417 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:48:38,418 INFO L229 MonitoredProcess]: Starting monitored process 528 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:48:38,419 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (528)] Waiting until timeout for monitored process [2024-11-08 23:48:39,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:39,427 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:48:39,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:39,451 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:48:39,452 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:48:39,708 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:48:39,720 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (528)] Forceful destruction successful, exit code 0 [2024-11-08 23:48:39,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:48:39,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:48:39,728 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:48:39,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:48:39,728 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:48:39,728 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:48:39,728 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:48:39,729 INFO L229 MonitoredProcess]: Starting monitored process 529 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:48:39,730 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (529)] Waiting until timeout for monitored process [2024-11-08 23:48:40,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:40,738 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:48:40,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:40,761 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:48:40,762 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:48:41,022 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:48:41,033 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (529)] Forceful destruction successful, exit code 0 [2024-11-08 23:48:41,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:48:41,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:48:41,041 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:48:41,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:48:41,041 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:48:41,041 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:48:41,041 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:48:41,042 INFO L229 MonitoredProcess]: Starting monitored process 530 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:48:41,044 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (530)] Waiting until timeout for monitored process [2024-11-08 23:48:42,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:42,048 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:48:42,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:42,073 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:48:42,074 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:48:42,283 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:48:42,295 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (530)] Ended with exit code 0 [2024-11-08 23:48:42,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:48:42,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:48:42,304 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:48:42,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:48:42,304 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:48:42,304 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:48:42,305 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:48:42,305 INFO L229 MonitoredProcess]: Starting monitored process 531 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:48:42,307 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (531)] Waiting until timeout for monitored process [2024-11-08 23:48:43,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:43,409 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:48:43,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:43,432 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:48:43,432 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:48:43,651 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:48:43,662 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (531)] Forceful destruction successful, exit code 0 [2024-11-08 23:48:43,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:48:43,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:48:43,670 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:48:43,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:48:43,670 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:48:43,670 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:48:43,670 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:48:43,671 INFO L229 MonitoredProcess]: Starting monitored process 532 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:48:43,672 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (532)] Waiting until timeout for monitored process [2024-11-08 23:48:44,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:44,679 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:48:44,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:44,703 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:48:44,704 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:48:44,911 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:48:44,923 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (532)] Ended with exit code 0 [2024-11-08 23:48:44,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:48:44,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:48:44,930 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:48:44,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:48:44,930 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:48:44,930 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:48:44,930 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:48:44,931 INFO L229 MonitoredProcess]: Starting monitored process 533 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:48:44,932 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (533)] Waiting until timeout for monitored process [2024-11-08 23:48:45,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:45,941 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:48:45,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:45,969 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:48:45,970 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:48:46,196 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:48:46,208 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (533)] Forceful destruction successful, exit code 0 [2024-11-08 23:48:46,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:48:46,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:48:46,216 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:48:46,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:48:46,216 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:48:46,216 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:48:46,216 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:48:46,217 INFO L229 MonitoredProcess]: Starting monitored process 534 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:48:46,218 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (534)] Waiting until timeout for monitored process [2024-11-08 23:48:47,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:47,226 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:48:47,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:47,250 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:48:47,251 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:48:47,455 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:48:47,466 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (534)] Ended with exit code 0 [2024-11-08 23:48:47,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:48:47,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:48:47,475 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:48:47,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:48:47,475 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:48:47,475 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:48:47,475 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:48:47,476 INFO L229 MonitoredProcess]: Starting monitored process 535 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:48:47,477 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (535)] Waiting until timeout for monitored process [2024-11-08 23:48:48,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:48,479 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:48:48,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:48,501 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:48:48,502 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:48:48,691 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:48:48,703 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (535)] Ended with exit code 0 [2024-11-08 23:48:48,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:48:48,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:48:48,711 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:48:48,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:48:48,711 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:48:48,711 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:48:48,711 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:48:48,712 INFO L229 MonitoredProcess]: Starting monitored process 536 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:48:48,713 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (536)] Waiting until timeout for monitored process [2024-11-08 23:48:49,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:49,731 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:48:49,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:49,756 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:48:49,757 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:48:50,007 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:48:50,018 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (536)] Ended with exit code 0 [2024-11-08 23:48:50,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:48:50,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:48:50,025 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:48:50,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:48:50,025 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:48:50,025 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:48:50,025 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:48:50,026 INFO L229 MonitoredProcess]: Starting monitored process 537 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:48:50,027 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (537)] Waiting until timeout for monitored process [2024-11-08 23:48:51,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:51,039 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:48:51,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:51,070 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:48:51,071 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:48:51,266 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:48:51,276 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (537)] Forceful destruction successful, exit code 0 [2024-11-08 23:48:51,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:48:51,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:48:51,283 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:48:51,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:48:51,283 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:48:51,284 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:48:51,284 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:48:51,284 INFO L229 MonitoredProcess]: Starting monitored process 538 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:48:51,286 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (538)] Waiting until timeout for monitored process [2024-11-08 23:48:52,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:52,286 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:48:52,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:52,311 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:48:52,312 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:48:52,524 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:48:52,540 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (538)] Forceful destruction successful, exit code 0 [2024-11-08 23:48:52,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:48:52,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:48:52,549 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:48:52,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:48:52,550 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:48:52,550 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:48:52,550 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:48:52,552 INFO L229 MonitoredProcess]: Starting monitored process 539 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:48:52,553 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (539)] Waiting until timeout for monitored process [2024-11-08 23:48:53,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:53,604 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:48:53,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:53,629 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:48:53,630 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:48:53,815 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:48:53,827 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (539)] Ended with exit code 0 [2024-11-08 23:48:53,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:48:53,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:48:53,835 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:48:53,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:48:53,835 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:48:53,835 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:48:53,835 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:48:53,836 INFO L229 MonitoredProcess]: Starting monitored process 540 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:48:53,837 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (540)] Waiting until timeout for monitored process [2024-11-08 23:48:54,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:54,852 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:48:54,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:54,875 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:48:54,876 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:48:55,059 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:48:55,071 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (540)] Forceful destruction successful, exit code 0 [2024-11-08 23:48:55,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:48:55,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:48:55,079 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:48:55,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:48:55,079 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:48:55,079 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:48:55,079 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:48:55,080 INFO L229 MonitoredProcess]: Starting monitored process 541 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:48:55,081 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (541)] Waiting until timeout for monitored process [2024-11-08 23:48:56,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:56,090 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:48:56,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:56,115 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:48:56,116 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:48:56,366 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:48:56,378 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (541)] Forceful destruction successful, exit code 0 [2024-11-08 23:48:56,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:48:56,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:48:56,385 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:48:56,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:48:56,385 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:48:56,385 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:48:56,385 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:48:56,386 INFO L229 MonitoredProcess]: Starting monitored process 542 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:48:56,388 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (542)] Waiting until timeout for monitored process [2024-11-08 23:48:57,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:57,408 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:48:57,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:57,434 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:48:57,435 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:48:57,626 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:48:57,637 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (542)] Ended with exit code 0 [2024-11-08 23:48:57,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:48:57,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:48:57,652 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:48:57,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:48:57,653 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:48:57,653 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:48:57,653 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:48:57,654 INFO L229 MonitoredProcess]: Starting monitored process 543 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:48:57,654 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (543)] Waiting until timeout for monitored process [2024-11-08 23:48:58,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:58,682 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:48:58,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:58,707 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:48:58,708 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:48:58,916 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:48:58,929 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (543)] Forceful destruction successful, exit code 0 [2024-11-08 23:48:58,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:48:58,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:48:58,936 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:48:58,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:48:58,937 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:48:58,937 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:48:58,937 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:48:58,938 INFO L229 MonitoredProcess]: Starting monitored process 544 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:48:58,939 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (544)] Waiting until timeout for monitored process [2024-11-08 23:48:59,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:59,955 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:48:59,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:59,980 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:48:59,981 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:49:00,175 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:49:00,188 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (544)] Ended with exit code 0 [2024-11-08 23:49:00,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:49:00,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:49:00,197 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:49:00,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:49:00,197 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:49:00,197 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:49:00,197 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:49:00,198 INFO L229 MonitoredProcess]: Starting monitored process 545 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:49:00,199 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (545)] Waiting until timeout for monitored process [2024-11-08 23:49:01,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:49:01,223 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:49:01,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:49:01,247 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:49:01,247 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:49:01,451 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:49:01,463 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (545)] Ended with exit code 0 [2024-11-08 23:49:01,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:49:01,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:49:01,471 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:49:01,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:49:01,471 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:49:01,471 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:49:01,471 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:49:01,472 INFO L229 MonitoredProcess]: Starting monitored process 546 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:49:01,473 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (546)] Waiting until timeout for monitored process [2024-11-08 23:49:02,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:49:02,494 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:49:02,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:49:02,525 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:49:02,526 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:49:02,837 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:49:02,850 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (546)] Forceful destruction successful, exit code 0 [2024-11-08 23:49:02,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:49:02,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:49:02,865 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:49:02,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:49:02,865 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:49:02,865 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:49:02,865 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:49:02,866 INFO L229 MonitoredProcess]: Starting monitored process 547 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:49:02,867 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (547)] Waiting until timeout for monitored process [2024-11-08 23:49:03,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:49:03,890 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:49:03,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:49:03,913 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:49:03,914 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:49:04,125 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:49:04,137 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (547)] Forceful destruction successful, exit code 0 [2024-11-08 23:49:04,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:49:04,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:49:04,145 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:49:04,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:49:04,146 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:49:04,146 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:49:04,146 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:49:04,147 INFO L229 MonitoredProcess]: Starting monitored process 548 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:49:04,148 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (548)] Waiting until timeout for monitored process [2024-11-08 23:49:05,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:49:05,180 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:49:05,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:49:05,202 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:49:05,203 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:49:05,428 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:49:05,440 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (548)] Ended with exit code 0 [2024-11-08 23:49:05,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:49:05,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:49:05,448 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:49:05,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:49:05,449 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:49:05,449 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:49:05,449 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:49:05,450 INFO L229 MonitoredProcess]: Starting monitored process 549 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:49:05,451 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (549)] Waiting until timeout for monitored process [2024-11-08 23:49:06,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:49:06,478 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:49:06,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:49:06,507 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-08 23:49:06,508 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:49:06,762 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:49:06,774 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (549)] Forceful destruction successful, exit code 0 [2024-11-08 23:49:06,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:49:06,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:49:06,783 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:49:06,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:49:06,783 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:49:06,783 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:49:06,783 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:49:06,784 INFO L229 MonitoredProcess]: Starting monitored process 550 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:49:06,785 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (550)] Waiting until timeout for monitored process [2024-11-08 23:49:07,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:49:07,815 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:49:07,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:49:07,839 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:49:07,840 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:49:08,051 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:49:08,063 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (550)] Ended with exit code 0 [2024-11-08 23:49:08,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:49:08,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:49:08,071 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:49:08,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:49:08,071 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:49:08,071 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:49:08,071 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:49:08,072 INFO L229 MonitoredProcess]: Starting monitored process 551 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:49:08,073 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (551)] Waiting until timeout for monitored process [2024-11-08 23:49:09,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:49:09,098 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:49:09,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:49:09,123 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:49:09,123 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:49:09,334 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:49:09,345 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (551)] Ended with exit code 0 [2024-11-08 23:49:09,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:49:09,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:49:09,353 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:49:09,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:49:09,353 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:49:09,353 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:49:09,353 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:49:09,354 INFO L229 MonitoredProcess]: Starting monitored process 552 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:49:09,355 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (552)] Waiting until timeout for monitored process [2024-11-08 23:49:10,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:49:10,382 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:49:10,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:49:10,415 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:49:10,416 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:49:10,623 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:49:10,635 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (552)] Forceful destruction successful, exit code 0 [2024-11-08 23:49:10,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:49:10,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:49:10,642 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:49:10,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:49:10,642 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:49:10,642 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:49:10,643 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:49:10,645 INFO L229 MonitoredProcess]: Starting monitored process 553 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:49:10,646 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (553)] Waiting until timeout for monitored process [2024-11-08 23:49:11,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:49:11,691 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:49:11,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:49:11,714 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:49:11,715 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:49:11,934 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:49:11,947 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (553)] Ended with exit code 0 [2024-11-08 23:49:11,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:49:11,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:49:11,955 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:49:11,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:49:11,955 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:49:11,955 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:49:11,956 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:49:11,958 INFO L229 MonitoredProcess]: Starting monitored process 554 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:49:11,959 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (554)] Waiting until timeout for monitored process [2024-11-08 23:49:13,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:49:13,044 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:49:13,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:49:13,067 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:49:13,068 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:49:13,335 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:49:13,347 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (554)] Ended with exit code 0 [2024-11-08 23:49:13,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:49:13,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:49:13,355 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:49:13,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:49:13,355 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:49:13,355 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:49:13,355 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:49:13,356 INFO L229 MonitoredProcess]: Starting monitored process 555 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:49:13,357 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (555)] Waiting until timeout for monitored process [2024-11-08 23:49:14,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:49:14,399 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:49:14,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:49:14,422 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:49:14,423 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:49:14,629 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:49:14,641 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (555)] Forceful destruction successful, exit code 0 [2024-11-08 23:49:14,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:49:14,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:49:14,656 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:49:14,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:49:14,656 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:49:14,656 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:49:14,656 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:49:14,657 INFO L229 MonitoredProcess]: Starting monitored process 556 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:49:14,658 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (556)] Waiting until timeout for monitored process [2024-11-08 23:49:15,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:49:15,689 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:49:15,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:49:15,713 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:49:15,713 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:49:15,942 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:49:15,953 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (556)] Ended with exit code 0 [2024-11-08 23:49:15,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:49:15,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:49:15,961 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:49:15,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:49:15,961 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:49:15,961 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:49:15,961 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:49:15,962 INFO L229 MonitoredProcess]: Starting monitored process 557 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:49:15,963 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (557)] Waiting until timeout for monitored process [2024-11-08 23:49:17,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:49:17,016 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:49:17,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:49:17,042 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:49:17,043 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:49:17,283 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:49:17,295 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (557)] Ended with exit code 0 [2024-11-08 23:49:17,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:49:17,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:49:17,302 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:49:17,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:49:17,303 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:49:17,303 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:49:17,303 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:49:17,304 INFO L229 MonitoredProcess]: Starting monitored process 558 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:49:17,305 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (558)] Waiting until timeout for monitored process [2024-11-08 23:49:18,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:49:18,352 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:49:18,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:49:18,382 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:49:18,383 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:49:18,567 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:49:18,579 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (558)] Forceful destruction successful, exit code 0 [2024-11-08 23:49:18,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:49:18,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:49:18,587 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:49:18,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:49:18,587 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:49:18,587 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:49:18,587 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:49:18,588 INFO L229 MonitoredProcess]: Starting monitored process 559 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:49:18,589 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (559)] Waiting until timeout for monitored process [2024-11-08 23:49:19,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:49:19,638 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:49:19,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:49:19,660 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:49:19,661 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:49:19,877 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:49:19,889 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (559)] Forceful destruction successful, exit code 0 [2024-11-08 23:49:19,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:49:19,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:49:19,897 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:49:19,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:49:19,897 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:49:19,897 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:49:19,897 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:49:19,898 INFO L229 MonitoredProcess]: Starting monitored process 560 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:49:19,900 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (560)] Waiting until timeout for monitored process [2024-11-08 23:49:20,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:49:20,953 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:49:20,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:49:20,975 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:49:20,976 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:49:21,189 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:49:21,201 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (560)] Ended with exit code 0 [2024-11-08 23:49:21,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:49:21,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:49:21,208 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:49:21,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:49:21,209 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:49:21,209 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:49:21,209 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:49:21,210 INFO L229 MonitoredProcess]: Starting monitored process 561 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:49:21,211 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (561)] Waiting until timeout for monitored process [2024-11-08 23:49:22,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:49:22,267 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:49:22,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:49:22,291 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:49:22,292 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:49:22,481 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:49:22,493 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (561)] Forceful destruction successful, exit code 0 [2024-11-08 23:49:22,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:49:22,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:49:22,501 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:49:22,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:49:22,502 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:49:22,502 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:49:22,502 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:49:22,504 INFO L229 MonitoredProcess]: Starting monitored process 562 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:49:22,505 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (562)] Waiting until timeout for monitored process [2024-11-08 23:49:23,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:49:23,605 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:49:23,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:49:23,650 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:49:23,650 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:49:23,851 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:49:23,863 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (562)] Ended with exit code 0 [2024-11-08 23:49:23,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:49:23,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:49:23,870 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:49:23,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:49:23,870 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:49:23,871 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:49:23,871 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:49:23,872 INFO L229 MonitoredProcess]: Starting monitored process 563 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:49:23,873 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (563)] Waiting until timeout for monitored process [2024-11-08 23:49:24,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:49:24,928 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:49:24,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:49:24,952 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:49:24,953 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:49:25,165 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:49:25,177 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (563)] Ended with exit code 0 [2024-11-08 23:49:25,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:49:25,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:49:25,184 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:49:25,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:49:25,185 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:49:25,185 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:49:25,185 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:49:25,186 INFO L229 MonitoredProcess]: Starting monitored process 564 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:49:25,187 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (564)] Waiting until timeout for monitored process [2024-11-08 23:49:26,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:49:26,247 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:49:26,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:49:26,271 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:49:26,272 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:49:26,507 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:49:26,520 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (564)] Forceful destruction successful, exit code 0 [2024-11-08 23:49:26,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:49:26,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:49:26,534 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:49:26,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:49:26,534 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:49:26,534 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:49:26,534 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:49:26,535 INFO L229 MonitoredProcess]: Starting monitored process 565 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:49:26,536 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (565)] Waiting until timeout for monitored process [2024-11-08 23:49:27,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:49:27,601 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:49:27,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:49:27,626 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:49:27,627 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:49:27,853 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:49:27,866 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (565)] Ended with exit code 0 [2024-11-08 23:49:27,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:49:27,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:49:27,873 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:49:27,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:49:27,873 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:49:27,873 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:49:27,873 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:49:27,874 INFO L229 MonitoredProcess]: Starting monitored process 566 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:49:27,875 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (566)] Waiting until timeout for monitored process [2024-11-08 23:49:28,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:49:28,947 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:49:28,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:49:28,972 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:49:28,972 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:49:29,203 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:49:29,216 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (566)] Forceful destruction successful, exit code 0 [2024-11-08 23:49:29,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:49:29,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:49:29,224 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:49:29,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:49:29,224 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:49:29,224 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:49:29,224 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:49:29,225 INFO L229 MonitoredProcess]: Starting monitored process 567 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:49:29,227 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (567)] Waiting until timeout for monitored process [2024-11-08 23:49:30,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:49:30,292 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:49:30,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:49:30,327 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:49:30,328 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:49:30,589 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:49:30,601 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (567)] Forceful destruction successful, exit code 0 [2024-11-08 23:49:30,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:49:30,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:49:30,609 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:49:30,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:49:30,609 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:49:30,610 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:49:30,610 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:49:30,611 INFO L229 MonitoredProcess]: Starting monitored process 568 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:49:30,612 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (568)] Waiting until timeout for monitored process [2024-11-08 23:49:31,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:49:31,676 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:49:31,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:49:31,701 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:49:31,702 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:49:31,919 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:49:31,932 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (568)] Forceful destruction successful, exit code 0 [2024-11-08 23:49:31,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:49:31,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:49:31,940 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:49:31,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:49:31,940 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:49:31,940 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:49:31,940 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:49:31,941 INFO L229 MonitoredProcess]: Starting monitored process 569 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:49:31,942 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (569)] Waiting until timeout for monitored process [2024-11-08 23:49:33,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:49:33,001 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:49:33,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:49:33,026 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:49:33,027 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:49:33,260 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:49:33,273 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (569)] Ended with exit code 0 [2024-11-08 23:49:33,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:49:33,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:49:33,280 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:49:33,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:49:33,281 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:49:33,281 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:49:33,281 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:49:33,282 INFO L229 MonitoredProcess]: Starting monitored process 570 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:49:33,283 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (570)] Waiting until timeout for monitored process [2024-11-08 23:49:34,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:49:34,404 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:49:34,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:49:34,429 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:49:34,430 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:49:34,650 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:49:34,663 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (570)] Ended with exit code 0 [2024-11-08 23:49:34,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:49:34,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:49:34,671 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:49:34,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:49:34,671 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:49:34,671 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:49:34,671 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:49:34,672 INFO L229 MonitoredProcess]: Starting monitored process 571 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:49:34,673 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (571)] Waiting until timeout for monitored process [2024-11-08 23:49:35,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:49:35,744 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:49:35,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:49:35,769 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:49:35,770 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:49:36,022 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:49:36,034 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (571)] Ended with exit code 0 [2024-11-08 23:49:36,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:49:36,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:49:36,041 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:49:36,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:49:36,041 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:49:36,041 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:49:36,041 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:49:36,042 INFO L229 MonitoredProcess]: Starting monitored process 572 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:49:36,043 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (572)] Waiting until timeout for monitored process [2024-11-08 23:49:37,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:49:37,108 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:49:37,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:49:37,133 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:49:37,134 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:49:37,315 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:49:37,327 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (572)] Forceful destruction successful, exit code 0 [2024-11-08 23:49:37,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:49:37,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:49:37,334 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:49:37,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:49:37,335 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:49:37,335 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:49:37,335 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:49:37,336 INFO L229 MonitoredProcess]: Starting monitored process 573 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:49:37,337 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (573)] Waiting until timeout for monitored process [2024-11-08 23:49:38,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:49:38,409 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:49:38,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:49:38,434 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:49:38,435 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:49:38,703 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:49:38,715 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (573)] Forceful destruction successful, exit code 0 [2024-11-08 23:49:38,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:49:38,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:49:38,722 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:49:38,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:49:38,723 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:49:38,723 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:49:38,723 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:49:38,724 INFO L229 MonitoredProcess]: Starting monitored process 574 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:49:38,725 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (574)] Waiting until timeout for monitored process [2024-11-08 23:49:39,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:49:39,791 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:49:39,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:49:39,816 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:49:39,817 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:49:40,009 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:49:40,022 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (574)] Ended with exit code 0 [2024-11-08 23:49:40,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:49:40,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:49:40,030 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:49:40,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:49:40,030 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:49:40,030 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:49:40,030 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:49:40,031 INFO L229 MonitoredProcess]: Starting monitored process 575 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:49:40,032 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (575)] Waiting until timeout for monitored process [2024-11-08 23:49:41,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:49:41,113 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:49:41,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:49:41,137 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:49:41,138 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:49:41,353 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:49:41,366 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (575)] Forceful destruction successful, exit code 0 [2024-11-08 23:49:41,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:49:41,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:49:41,374 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:49:41,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:49:41,374 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:49:41,374 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:49:41,374 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:49:41,375 INFO L229 MonitoredProcess]: Starting monitored process 576 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:49:41,376 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (576)] Waiting until timeout for monitored process [2024-11-08 23:49:42,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:49:42,438 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:49:42,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:49:42,462 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:49:42,462 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:49:42,671 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:49:42,684 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (576)] Forceful destruction successful, exit code 0 [2024-11-08 23:49:42,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:49:42,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:49:42,691 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:49:42,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:49:42,691 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:49:42,691 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:49:42,691 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:49:42,692 INFO L229 MonitoredProcess]: Starting monitored process 577 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:49:42,694 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (577)] Waiting until timeout for monitored process [2024-11-08 23:49:43,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:49:43,846 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:49:43,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:49:43,900 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:49:43,905 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:49:44,153 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:49:44,165 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (577)] Ended with exit code 0 [2024-11-08 23:49:44,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:49:44,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:49:44,172 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:49:44,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:49:44,173 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:49:44,173 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:49:44,173 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:49:44,174 INFO L229 MonitoredProcess]: Starting monitored process 578 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:49:44,175 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (578)] Waiting until timeout for monitored process [2024-11-08 23:49:45,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:49:45,247 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:49:45,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:49:45,269 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:49:45,270 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:49:45,489 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:49:45,501 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (578)] Forceful destruction successful, exit code 0 [2024-11-08 23:49:45,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:49:45,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:49:45,516 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:49:45,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:49:45,516 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:49:45,516 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:49:45,516 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:49:45,517 INFO L229 MonitoredProcess]: Starting monitored process 579 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:49:45,519 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (579)] Waiting until timeout for monitored process [2024-11-08 23:49:46,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:49:46,587 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:49:46,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:49:46,611 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:49:46,612 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:49:46,820 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:49:46,832 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (579)] Ended with exit code 0 [2024-11-08 23:49:46,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:49:46,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:49:46,840 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:49:46,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:49:46,840 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:49:46,840 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:49:46,840 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:49:46,841 INFO L229 MonitoredProcess]: Starting monitored process 580 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:49:46,842 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (580)] Waiting until timeout for monitored process [2024-11-08 23:49:47,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:49:47,921 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:49:47,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:49:47,944 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:49:47,945 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:49:48,245 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:49:48,258 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (580)] Forceful destruction successful, exit code 0 [2024-11-08 23:49:48,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:49:48,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:49:48,265 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:49:48,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:49:48,266 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:49:48,266 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:49:48,266 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:49:48,267 INFO L229 MonitoredProcess]: Starting monitored process 581 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:49:48,268 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (581)] Waiting until timeout for monitored process [2024-11-08 23:49:49,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:49:49,358 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:49:49,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:49:49,383 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:49:49,384 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:49:49,620 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:49:49,633 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (581)] Forceful destruction successful, exit code 0 [2024-11-08 23:49:49,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:49:49,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:49:49,640 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:49:49,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:49:49,641 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:49:49,641 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:49:49,641 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:49:49,642 INFO L229 MonitoredProcess]: Starting monitored process 582 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:49:49,643 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (582)] Waiting until timeout for monitored process [2024-11-08 23:49:50,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:49:50,730 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:49:50,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:49:50,756 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:49:50,757 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:49:50,961 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:49:50,974 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (582)] Ended with exit code 0 [2024-11-08 23:49:50,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:49:50,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:49:50,981 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:49:50,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:49:50,982 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:49:50,982 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:49:50,982 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:49:50,983 INFO L229 MonitoredProcess]: Starting monitored process 583 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:49:50,984 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (583)] Waiting until timeout for monitored process [2024-11-08 23:49:52,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:49:52,072 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:49:52,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:49:52,097 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:49:52,098 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:49:52,344 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:49:52,357 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (583)] Forceful destruction successful, exit code 0 [2024-11-08 23:49:52,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:49:52,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:49:52,371 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:49:52,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:49:52,372 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:49:52,372 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:49:52,372 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:49:52,373 INFO L229 MonitoredProcess]: Starting monitored process 584 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:49:52,374 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (584)] Waiting until timeout for monitored process [2024-11-08 23:49:53,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:49:53,457 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:49:53,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:49:53,480 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:49:53,481 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:49:53,746 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:49:53,762 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (584)] Forceful destruction successful, exit code 0 [2024-11-08 23:49:53,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:49:53,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:49:53,770 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:49:53,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:49:53,771 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:49:53,771 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:49:53,771 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:49:53,773 INFO L229 MonitoredProcess]: Starting monitored process 585 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:49:53,774 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (585)] Waiting until timeout for monitored process [2024-11-08 23:49:54,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:49:54,879 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:49:54,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:49:54,905 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:49:54,906 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:49:55,141 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:49:55,154 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (585)] Ended with exit code 0 [2024-11-08 23:49:55,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:49:55,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:49:55,162 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:49:55,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:49:55,163 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:49:55,163 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:49:55,163 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:49:55,164 INFO L229 MonitoredProcess]: Starting monitored process 586 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:49:55,165 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (586)] Waiting until timeout for monitored process [2024-11-08 23:49:56,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:49:56,258 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:49:56,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:49:56,282 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:49:56,283 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:49:56,493 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:49:56,505 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (586)] Ended with exit code 0 [2024-11-08 23:49:56,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:49:56,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:49:56,513 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:49:56,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:49:56,514 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:49:56,514 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:49:56,514 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:49:56,515 INFO L229 MonitoredProcess]: Starting monitored process 587 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:49:56,516 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (587)] Waiting until timeout for monitored process [2024-11-08 23:49:57,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:49:57,601 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:49:57,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:49:57,624 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:49:57,624 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:49:57,861 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:49:57,874 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (587)] Forceful destruction successful, exit code 0 [2024-11-08 23:49:57,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:49:57,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:49:57,881 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:49:57,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:49:57,881 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:49:57,882 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:49:57,882 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:49:57,883 INFO L229 MonitoredProcess]: Starting monitored process 588 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:49:57,883 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (588)] Waiting until timeout for monitored process [2024-11-08 23:49:58,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:49:58,973 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:49:58,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:49:58,997 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:49:58,998 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:49:59,230 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:49:59,243 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (588)] Ended with exit code 0 [2024-11-08 23:49:59,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:49:59,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:49:59,256 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:49:59,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:49:59,257 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:49:59,257 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:49:59,257 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:49:59,258 INFO L229 MonitoredProcess]: Starting monitored process 589 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:49:59,259 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (589)] Waiting until timeout for monitored process [2024-11-08 23:50:00,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:50:00,350 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:50:00,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:50:00,375 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:50:00,376 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:50:00,592 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:50:00,604 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (589)] Ended with exit code 0 [2024-11-08 23:50:00,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:50:00,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:50:00,611 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:50:00,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:50:00,611 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:50:00,611 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:50:00,611 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:50:00,612 INFO L229 MonitoredProcess]: Starting monitored process 590 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:50:00,613 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (590)] Waiting until timeout for monitored process [2024-11-08 23:50:01,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:50:01,700 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:50:01,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:50:01,723 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:50:01,724 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:50:01,946 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:50:01,959 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (590)] Ended with exit code 0 [2024-11-08 23:50:01,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:50:01,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:50:01,966 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:50:01,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:50:01,966 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:50:01,966 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:50:01,966 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:50:01,967 INFO L229 MonitoredProcess]: Starting monitored process 591 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:50:01,969 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (591)] Waiting until timeout for monitored process [2024-11-08 23:50:03,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:50:03,105 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:50:03,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:50:03,128 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:50:03,128 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:50:03,348 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:50:03,361 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (591)] Ended with exit code 0 [2024-11-08 23:50:03,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:50:03,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:50:03,368 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:50:03,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:50:03,369 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:50:03,369 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:50:03,369 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:50:03,370 INFO L229 MonitoredProcess]: Starting monitored process 592 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:50:03,371 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (592)] Waiting until timeout for monitored process [2024-11-08 23:50:04,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:50:04,466 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:50:04,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:50:04,489 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:50:04,490 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:50:04,725 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:50:04,738 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (592)] Ended with exit code 0 [2024-11-08 23:50:04,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:50:04,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:50:04,745 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:50:04,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:50:04,745 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:50:04,745 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:50:04,746 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:50:04,746 INFO L229 MonitoredProcess]: Starting monitored process 593 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:50:04,747 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (593)] Waiting until timeout for monitored process [2024-11-08 23:50:05,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:50:05,846 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:50:05,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:50:05,870 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:50:05,871 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:50:06,086 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:50:06,100 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (593)] Forceful destruction successful, exit code 0 [2024-11-08 23:50:06,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:50:06,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:50:06,113 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:50:06,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:50:06,114 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:50:06,114 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:50:06,114 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:50:06,115 INFO L229 MonitoredProcess]: Starting monitored process 594 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:50:06,116 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (594)] Waiting until timeout for monitored process [2024-11-08 23:50:07,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:50:07,208 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:50:07,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:50:07,233 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:50:07,233 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:50:07,442 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:50:07,454 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (594)] Forceful destruction successful, exit code 0 [2024-11-08 23:50:07,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:50:07,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:50:07,462 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:50:07,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:50:07,462 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:50:07,462 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:50:07,462 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:50:07,463 INFO L229 MonitoredProcess]: Starting monitored process 595 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:50:07,464 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (595)] Waiting until timeout for monitored process [2024-11-08 23:50:08,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:50:08,570 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:50:08,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:50:08,592 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:50:08,593 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:50:08,828 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:50:08,841 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (595)] Forceful destruction successful, exit code 0 [2024-11-08 23:50:08,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:50:08,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:50:08,849 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:50:08,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:50:08,849 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:50:08,849 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:50:08,849 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:50:08,850 INFO L229 MonitoredProcess]: Starting monitored process 596 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:50:08,851 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (596)] Waiting until timeout for monitored process [2024-11-08 23:50:09,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:50:09,961 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:50:09,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:50:09,986 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:50:09,986 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:50:10,174 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:50:10,187 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (596)] Forceful destruction successful, exit code 0 [2024-11-08 23:50:10,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:50:10,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:50:10,194 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:50:10,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:50:10,194 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:50:10,194 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:50:10,194 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:50:10,195 INFO L229 MonitoredProcess]: Starting monitored process 597 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:50:10,197 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (597)] Waiting until timeout for monitored process [2024-11-08 23:50:11,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:50:11,299 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:50:11,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:50:11,321 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:50:11,322 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:50:11,526 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:50:11,538 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (597)] Ended with exit code 0 [2024-11-08 23:50:11,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:50:11,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:50:11,546 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:50:11,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:50:11,546 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:50:11,546 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:50:11,547 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:50:11,547 INFO L229 MonitoredProcess]: Starting monitored process 598 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:50:11,549 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (598)] Waiting until timeout for monitored process [2024-11-08 23:50:12,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:50:12,729 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:50:12,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:50:12,762 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:50:12,763 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:50:13,030 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:50:13,043 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (598)] Ended with exit code 0 [2024-11-08 23:50:13,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:50:13,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:50:13,051 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:50:13,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:50:13,051 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:50:13,052 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:50:13,052 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:50:13,053 INFO L229 MonitoredProcess]: Starting monitored process 599 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:50:13,054 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (599)] Waiting until timeout for monitored process [2024-11-08 23:50:14,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:50:14,167 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:50:14,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:50:14,191 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:50:14,192 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:50:14,446 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:50:14,459 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (599)] Forceful destruction successful, exit code 0 [2024-11-08 23:50:14,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:50:14,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:50:14,466 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:50:14,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:50:14,466 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:50:14,466 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:50:14,467 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:50:14,467 INFO L229 MonitoredProcess]: Starting monitored process 600 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:50:14,468 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (600)] Waiting until timeout for monitored process [2024-11-08 23:50:15,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:50:15,578 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:50:15,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:50:15,625 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:50:15,626 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:50:15,850 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:50:15,864 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (600)] Ended with exit code 0 [2024-11-08 23:50:15,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:50:15,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:50:15,871 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:50:15,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:50:15,872 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:50:15,872 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:50:15,872 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:50:15,873 INFO L229 MonitoredProcess]: Starting monitored process 601 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:50:15,874 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (601)] Waiting until timeout for monitored process [2024-11-08 23:50:16,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:50:16,979 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:50:17,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:50:17,003 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:50:17,004 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:50:17,181 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:50:17,193 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (601)] Forceful destruction successful, exit code 0 [2024-11-08 23:50:17,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:50:17,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:50:17,201 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:50:17,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:50:17,201 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:50:17,201 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:50:17,201 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:50:17,202 INFO L229 MonitoredProcess]: Starting monitored process 602 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:50:17,203 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (602)] Waiting until timeout for monitored process [2024-11-08 23:50:18,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:50:18,313 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:50:18,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:50:18,336 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:50:18,336 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:50:18,567 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:50:18,580 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (602)] Forceful destruction successful, exit code 0 [2024-11-08 23:50:18,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:50:18,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:50:18,588 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:50:18,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:50:18,588 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:50:18,589 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:50:18,589 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:50:18,590 INFO L229 MonitoredProcess]: Starting monitored process 603 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:50:18,591 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (603)] Waiting until timeout for monitored process [2024-11-08 23:50:19,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:50:19,711 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:50:19,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:50:19,733 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:50:19,734 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:50:19,975 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:50:19,988 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (603)] Forceful destruction successful, exit code 0 [2024-11-08 23:50:19,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:50:19,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:50:19,996 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:50:19,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:50:19,997 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:50:19,997 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:50:19,997 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:50:19,998 INFO L229 MonitoredProcess]: Starting monitored process 604 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:50:19,999 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (604)] Waiting until timeout for monitored process [2024-11-08 23:50:21,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:50:21,114 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:50:21,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:50:21,137 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:50:21,138 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:50:21,363 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:50:21,376 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (604)] Forceful destruction successful, exit code 0 [2024-11-08 23:50:21,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:50:21,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:50:21,383 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:50:21,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:50:21,383 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:50:21,383 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:50:21,383 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:50:21,384 INFO L229 MonitoredProcess]: Starting monitored process 605 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:50:21,385 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (605)] Waiting until timeout for monitored process [2024-11-08 23:50:22,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:50:22,507 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:50:22,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:50:22,536 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:50:22,538 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:50:22,837 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:50:22,851 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (605)] Forceful destruction successful, exit code 0 [2024-11-08 23:50:22,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:50:22,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:50:22,858 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:50:22,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:50:22,858 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:50:22,859 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:50:22,859 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:50:22,860 INFO L229 MonitoredProcess]: Starting monitored process 606 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:50:22,861 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (606)] Waiting until timeout for monitored process [2024-11-08 23:50:23,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:50:23,988 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:50:24,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:50:24,013 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:50:24,014 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:50:24,203 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:50:24,216 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (606)] Ended with exit code 0 [2024-11-08 23:50:24,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:50:24,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:50:24,223 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:50:24,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:50:24,223 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:50:24,223 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:50:24,224 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:50:24,225 INFO L229 MonitoredProcess]: Starting monitored process 607 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:50:24,225 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (607)] Waiting until timeout for monitored process [2024-11-08 23:50:25,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:50:25,353 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:50:25,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:50:25,383 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:50:25,384 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:50:25,591 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:50:25,604 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (607)] Forceful destruction successful, exit code 0 [2024-11-08 23:50:25,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:50:25,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:50:25,611 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:50:25,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:50:25,611 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:50:25,611 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:50:25,611 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:50:25,612 INFO L229 MonitoredProcess]: Starting monitored process 608 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:50:25,614 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (608)] Waiting until timeout for monitored process [2024-11-08 23:50:26,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:50:26,760 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:50:26,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:50:26,782 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:50:26,783 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:50:26,992 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:50:27,006 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (608)] Ended with exit code 0 [2024-11-08 23:50:27,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:50:27,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:50:27,013 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:50:27,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:50:27,013 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:50:27,013 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:50:27,014 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:50:27,014 INFO L229 MonitoredProcess]: Starting monitored process 609 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:50:27,015 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (609)] Waiting until timeout for monitored process [2024-11-08 23:50:28,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:50:28,148 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:50:28,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:50:28,171 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:50:28,172 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:50:28,383 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:50:28,397 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (609)] Forceful destruction successful, exit code 0 [2024-11-08 23:50:28,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:50:28,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:50:28,405 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:50:28,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:50:28,405 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:50:28,405 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:50:28,405 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:50:28,406 INFO L229 MonitoredProcess]: Starting monitored process 610 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:50:28,407 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (610)] Waiting until timeout for monitored process [2024-11-08 23:50:29,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:50:29,554 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:50:29,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:50:29,579 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:50:29,580 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:50:29,813 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:50:29,826 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (610)] Forceful destruction successful, exit code 0 [2024-11-08 23:50:29,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:50:29,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:50:29,834 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:50:29,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:50:29,835 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:50:29,835 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:50:29,835 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:50:29,836 INFO L229 MonitoredProcess]: Starting monitored process 611 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:50:29,837 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (611)] Waiting until timeout for monitored process [2024-11-08 23:50:30,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:50:30,972 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:50:30,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:50:30,995 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:50:30,995 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:50:31,242 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:50:31,256 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (611)] Forceful destruction successful, exit code 0 [2024-11-08 23:50:31,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:50:31,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:50:31,263 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:50:31,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:50:31,263 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:50:31,263 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:50:31,263 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:50:31,264 INFO L229 MonitoredProcess]: Starting monitored process 612 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:50:31,265 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (612)] Waiting until timeout for monitored process [2024-11-08 23:50:32,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:50:32,400 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:50:32,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:50:32,429 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:50:32,429 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:50:32,758 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:50:32,772 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (612)] Ended with exit code 0 [2024-11-08 23:50:32,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:50:32,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:50:32,779 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:50:32,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:50:32,780 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:50:32,780 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:50:32,780 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:50:32,781 INFO L229 MonitoredProcess]: Starting monitored process 613 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:50:32,782 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (613)] Waiting until timeout for monitored process [2024-11-08 23:50:33,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:50:33,915 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:50:33,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:50:33,937 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:50:33,937 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:50:34,184 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:50:34,197 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (613)] Forceful destruction successful, exit code 0 [2024-11-08 23:50:34,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:50:34,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:50:34,205 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:50:34,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:50:34,205 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:50:34,205 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:50:34,205 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:50:34,206 INFO L229 MonitoredProcess]: Starting monitored process 614 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:50:34,207 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (614)] Waiting until timeout for monitored process [2024-11-08 23:50:35,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:50:35,349 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:50:35,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:50:35,375 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:50:35,375 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:50:35,573 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:50:35,587 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (614)] Ended with exit code 0 [2024-11-08 23:50:35,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:50:35,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:50:35,594 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:50:35,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:50:35,594 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:50:35,595 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:50:35,595 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:50:35,596 INFO L229 MonitoredProcess]: Starting monitored process 615 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:50:35,601 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (615)] Waiting until timeout for monitored process [2024-11-08 23:50:36,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:50:36,727 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:50:36,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:50:36,750 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:50:36,751 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:50:36,959 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:50:36,972 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (615)] Forceful destruction successful, exit code 0 [2024-11-08 23:50:36,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:50:36,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:50:36,981 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:50:36,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:50:36,981 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:50:36,981 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:50:36,981 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:50:36,982 INFO L229 MonitoredProcess]: Starting monitored process 616 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:50:36,983 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (616)] Waiting until timeout for monitored process [2024-11-08 23:50:38,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:50:38,115 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:50:38,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:50:38,139 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:50:38,140 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:50:38,367 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:50:38,380 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (616)] Ended with exit code 0 [2024-11-08 23:50:38,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:50:38,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:50:38,388 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:50:38,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:50:38,388 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:50:38,388 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:50:38,389 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:50:38,389 INFO L229 MonitoredProcess]: Starting monitored process 617 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:50:38,390 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (617)] Waiting until timeout for monitored process [2024-11-08 23:50:39,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:50:39,524 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:50:39,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:50:39,546 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:50:39,547 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:50:39,780 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:50:39,794 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (617)] Forceful destruction successful, exit code 0 [2024-11-08 23:50:39,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:50:39,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:50:39,801 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:50:39,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:50:39,802 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:50:39,802 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:50:39,802 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:50:39,803 INFO L229 MonitoredProcess]: Starting monitored process 618 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:50:39,804 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (618)] Waiting until timeout for monitored process [2024-11-08 23:50:40,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:50:40,932 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:50:40,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:50:40,955 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:50:40,956 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:50:41,137 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:50:41,150 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (618)] Ended with exit code 0 [2024-11-08 23:50:41,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:50:41,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:50:41,158 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:50:41,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:50:41,158 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:50:41,158 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:50:41,158 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:50:41,159 INFO L229 MonitoredProcess]: Starting monitored process 619 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:50:41,160 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (619)] Waiting until timeout for monitored process [2024-11-08 23:50:42,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:50:42,289 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:50:42,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:50:42,313 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:50:42,314 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:50:42,599 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:50:42,617 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (619)] Ended with exit code 0 [2024-11-08 23:50:42,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:50:42,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:50:42,627 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:50:42,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:50:42,628 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:50:42,628 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:50:42,628 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:50:42,631 INFO L229 MonitoredProcess]: Starting monitored process 620 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:50:42,631 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (620)] Waiting until timeout for monitored process [2024-11-08 23:50:43,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:50:43,785 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:50:43,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:50:43,809 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:50:43,809 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:50:44,014 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:50:44,028 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (620)] Ended with exit code 0 [2024-11-08 23:50:44,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:50:44,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:50:44,035 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:50:44,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:50:44,036 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:50:44,036 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:50:44,036 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:50:44,037 INFO L229 MonitoredProcess]: Starting monitored process 621 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:50:44,038 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (621)] Waiting until timeout for monitored process [2024-11-08 23:50:45,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:50:45,188 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:50:45,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:50:45,211 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:50:45,212 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:50:45,419 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:50:45,432 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (621)] Ended with exit code 0 [2024-11-08 23:50:45,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:50:45,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:50:45,439 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:50:45,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:50:45,439 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:50:45,439 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:50:45,439 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:50:45,440 INFO L229 MonitoredProcess]: Starting monitored process 622 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:50:45,442 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (622)] Waiting until timeout for monitored process [2024-11-08 23:50:46,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:50:46,573 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:50:46,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:50:46,605 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:50:46,606 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:50:46,841 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:50:46,854 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (622)] Ended with exit code 0 [2024-11-08 23:50:46,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:50:46,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:50:46,861 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:50:46,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:50:46,862 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:50:46,862 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:50:46,862 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:50:46,863 INFO L229 MonitoredProcess]: Starting monitored process 623 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:50:46,864 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (623)] Waiting until timeout for monitored process [2024-11-08 23:50:47,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:50:47,999 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:50:48,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:50:48,027 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-08 23:50:48,028 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:50:48,128 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:50:48,141 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (623)] Forceful destruction successful, exit code 0 [2024-11-08 23:50:48,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:50:48,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:50:48,149 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:50:48,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:50:48,149 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:50:48,149 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:50:48,149 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:50:48,150 INFO L229 MonitoredProcess]: Starting monitored process 624 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:50:48,151 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (624)] Waiting until timeout for monitored process [2024-11-08 23:50:49,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:50:49,296 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:50:49,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:50:49,320 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:50:49,321 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:50:49,546 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:50:49,560 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (624)] Ended with exit code 0 [2024-11-08 23:50:49,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:50:49,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:50:49,567 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:50:49,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:50:49,567 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:50:49,567 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:50:49,567 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:50:49,568 INFO L229 MonitoredProcess]: Starting monitored process 625 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:50:49,570 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (625)] Waiting until timeout for monitored process [2024-11-08 23:50:50,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:50:50,721 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:50:50,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:50:50,747 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:50:50,747 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:50:51,004 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:50:51,018 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (625)] Ended with exit code 0 [2024-11-08 23:50:51,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:50:51,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:50:51,033 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:50:51,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:50:51,034 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:50:51,034 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:50:51,034 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:50:51,035 INFO L229 MonitoredProcess]: Starting monitored process 626 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:50:51,036 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (626)] Waiting until timeout for monitored process [2024-11-08 23:50:52,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:50:52,187 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:50:52,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:50:52,209 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:50:52,210 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:50:52,433 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:50:52,448 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (626)] Ended with exit code 0 [2024-11-08 23:50:52,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:50:52,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:50:52,455 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:50:52,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:50:52,455 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:50:52,455 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:50:52,456 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:50:52,456 INFO L229 MonitoredProcess]: Starting monitored process 627 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:50:52,458 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (627)] Waiting until timeout for monitored process [2024-11-08 23:50:53,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:50:53,634 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:50:53,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:50:53,659 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:50:53,659 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:50:53,890 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:50:53,904 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (627)] Ended with exit code 0 [2024-11-08 23:50:53,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:50:53,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:50:53,911 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:50:53,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:50:53,911 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:50:53,911 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:50:53,911 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:50:53,912 INFO L229 MonitoredProcess]: Starting monitored process 628 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:50:53,913 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (628)] Waiting until timeout for monitored process [2024-11-08 23:50:55,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:50:55,064 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:50:55,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:50:55,088 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:50:55,088 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:50:55,335 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:50:55,349 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (628)] Forceful destruction successful, exit code 0 [2024-11-08 23:50:55,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:50:55,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:50:55,356 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:50:55,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:50:55,356 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:50:55,357 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:50:55,357 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:50:55,357 INFO L229 MonitoredProcess]: Starting monitored process 629 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:50:55,358 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (629)] Waiting until timeout for monitored process [2024-11-08 23:50:56,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:50:56,509 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:50:56,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:50:56,534 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:50:56,535 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:50:56,749 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:50:56,763 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (629)] Forceful destruction successful, exit code 0 [2024-11-08 23:50:56,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:50:56,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:50:56,770 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:50:56,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:50:56,770 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:50:56,770 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:50:56,771 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:50:56,771 INFO L229 MonitoredProcess]: Starting monitored process 630 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:50:56,773 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (630)] Waiting until timeout for monitored process [2024-11-08 23:50:57,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:50:57,920 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:50:57,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:50:57,942 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-08 23:50:57,942 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:50:58,068 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:50:58,081 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (630)] Ended with exit code 0 [2024-11-08 23:50:58,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:50:58,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:50:58,087 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:50:58,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:50:58,087 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:50:58,087 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:50:58,087 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:50:58,088 INFO L229 MonitoredProcess]: Starting monitored process 631 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:50:58,089 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (631)] Waiting until timeout for monitored process [2024-11-08 23:50:59,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:50:59,240 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:50:59,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:50:59,265 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:50:59,266 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:50:59,443 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:50:59,456 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (631)] Ended with exit code 0 [2024-11-08 23:50:59,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:50:59,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:50:59,463 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:50:59,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:50:59,463 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:50:59,464 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:50:59,464 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:50:59,465 INFO L229 MonitoredProcess]: Starting monitored process 632 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:50:59,465 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (632)] Waiting until timeout for monitored process [2024-11-08 23:51:00,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:51:00,619 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:51:00,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:51:00,643 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-08 23:51:00,644 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:51:00,849 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:51:00,863 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (632)] Forceful destruction successful, exit code 0 [2024-11-08 23:51:00,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:51:00,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:51:00,870 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:51:00,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:51:00,870 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:51:00,870 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:51:00,870 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:51:00,871 INFO L229 MonitoredProcess]: Starting monitored process 633 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:51:00,872 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (633)] Waiting until timeout for monitored process [2024-11-08 23:51:02,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:51:02,031 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:51:02,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:51:02,054 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:51:02,055 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:51:02,240 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:51:02,253 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (633)] Forceful destruction successful, exit code 0 [2024-11-08 23:51:02,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:51:02,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:51:02,261 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:51:02,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:51:02,261 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:51:02,261 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:51:02,261 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:51:02,262 INFO L229 MonitoredProcess]: Starting monitored process 634 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:51:02,263 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (634)] Waiting until timeout for monitored process [2024-11-08 23:51:03,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:51:03,445 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:51:03,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:51:03,469 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:51:03,470 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:51:03,673 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:51:03,685 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (634)] Ended with exit code 0 [2024-11-08 23:51:03,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:51:03,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:51:03,692 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:51:03,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:51:03,692 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:51:03,692 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:51:03,692 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:51:03,693 INFO L229 MonitoredProcess]: Starting monitored process 635 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:51:03,694 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (635)] Waiting until timeout for monitored process [2024-11-08 23:51:04,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:51:04,840 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:51:04,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:51:04,865 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:51:04,865 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:51:05,065 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:51:05,078 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (635)] Ended with exit code 0 [2024-11-08 23:51:05,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:51:05,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:51:05,085 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:51:05,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:51:05,086 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:51:05,086 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:51:05,086 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:51:05,087 INFO L229 MonitoredProcess]: Starting monitored process 636 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:51:05,088 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (636)] Waiting until timeout for monitored process [2024-11-08 23:51:06,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:51:06,239 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:51:06,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:51:06,262 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:51:06,262 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:51:06,458 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:51:06,470 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (636)] Ended with exit code 0 [2024-11-08 23:51:06,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:51:06,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:51:06,485 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:51:06,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:51:06,485 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:51:06,485 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:51:06,485 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:51:06,486 INFO L229 MonitoredProcess]: Starting monitored process 637 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:51:06,487 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (637)] Waiting until timeout for monitored process [2024-11-08 23:51:07,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:51:07,658 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:51:07,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:51:07,682 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:51:07,683 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:51:07,876 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:51:07,889 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (637)] Ended with exit code 0 [2024-11-08 23:51:07,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:51:07,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:51:07,897 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:51:07,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:51:07,897 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:51:07,897 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:51:07,897 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:51:07,898 INFO L229 MonitoredProcess]: Starting monitored process 638 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:51:07,899 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (638)] Waiting until timeout for monitored process [2024-11-08 23:51:09,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:51:09,074 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:51:09,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:51:09,099 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:51:09,100 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:51:09,286 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:51:09,300 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (638)] Forceful destruction successful, exit code 0 [2024-11-08 23:51:09,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:51:09,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:51:09,308 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:51:09,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:51:09,308 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:51:09,308 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:51:09,308 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:51:09,309 INFO L229 MonitoredProcess]: Starting monitored process 639 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:51:09,310 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (639)] Waiting until timeout for monitored process [2024-11-08 23:51:10,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:51:10,484 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:51:10,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:51:10,507 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:51:10,508 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:51:10,712 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:51:10,726 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (639)] Forceful destruction successful, exit code 0 [2024-11-08 23:51:10,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:51:10,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:51:10,734 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:51:10,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:51:10,735 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:51:10,735 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:51:10,735 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:51:10,737 INFO L229 MonitoredProcess]: Starting monitored process 640 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:51:10,738 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (640)] Waiting until timeout for monitored process [2024-11-08 23:51:11,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:51:11,926 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:51:11,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:51:11,956 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:51:11,957 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:51:12,151 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:51:12,165 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (640)] Ended with exit code 0 [2024-11-08 23:51:12,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:51:12,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:51:12,174 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:51:12,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:51:12,174 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:51:12,174 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:51:12,174 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:51:12,175 INFO L229 MonitoredProcess]: Starting monitored process 641 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:51:12,176 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (641)] Waiting until timeout for monitored process [2024-11-08 23:51:13,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:51:13,373 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:51:13,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:51:13,397 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:51:13,398 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:51:13,592 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:51:13,605 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (641)] Forceful destruction successful, exit code 0 [2024-11-08 23:51:13,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:51:13,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:51:13,613 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:51:13,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:51:13,614 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:51:13,614 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:51:13,614 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:51:13,615 INFO L229 MonitoredProcess]: Starting monitored process 642 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:51:13,616 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (642)] Waiting until timeout for monitored process [2024-11-08 23:51:14,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:51:14,790 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:51:14,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:51:14,813 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:51:14,814 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:51:15,030 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:51:15,044 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (642)] Ended with exit code 0 [2024-11-08 23:51:15,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:51:15,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:51:15,052 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:51:15,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:51:15,052 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:51:15,052 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:51:15,052 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:51:15,055 INFO L229 MonitoredProcess]: Starting monitored process 643 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:51:15,056 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (643)] Waiting until timeout for monitored process [2024-11-08 23:51:16,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:51:16,235 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:51:16,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:51:16,258 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:51:16,259 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:51:16,464 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:51:16,477 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (643)] Forceful destruction successful, exit code 0 [2024-11-08 23:51:16,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:51:16,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:51:16,484 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:51:16,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:51:16,485 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:51:16,485 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:51:16,485 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:51:16,486 INFO L229 MonitoredProcess]: Starting monitored process 644 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:51:16,487 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (644)] Waiting until timeout for monitored process [2024-11-08 23:51:17,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:51:17,669 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:51:17,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:51:17,692 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:51:17,693 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:51:17,904 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:51:17,917 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (644)] Ended with exit code 0 [2024-11-08 23:51:17,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:51:17,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:51:17,925 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:51:17,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:51:17,925 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:51:17,925 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:51:17,925 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:51:17,926 INFO L229 MonitoredProcess]: Starting monitored process 645 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:51:17,927 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (645)] Waiting until timeout for monitored process [2024-11-08 23:51:19,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:51:19,106 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:51:19,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:51:19,130 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:51:19,131 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:51:19,321 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:51:19,334 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (645)] Ended with exit code 0 [2024-11-08 23:51:19,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:51:19,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:51:19,342 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:51:19,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:51:19,342 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:51:19,342 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:51:19,342 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:51:19,343 INFO L229 MonitoredProcess]: Starting monitored process 646 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:51:19,344 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (646)] Waiting until timeout for monitored process [2024-11-08 23:51:20,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:51:20,529 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:51:20,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:51:20,552 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:51:20,553 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:51:20,779 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:51:20,794 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (646)] Ended with exit code 0 [2024-11-08 23:51:20,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:51:20,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:51:20,802 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:51:20,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:51:20,802 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:51:20,802 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:51:20,802 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:51:20,803 INFO L229 MonitoredProcess]: Starting monitored process 647 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:51:20,805 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (647)] Waiting until timeout for monitored process [2024-11-08 23:51:21,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:51:21,986 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:51:22,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:51:22,011 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:51:22,011 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:51:22,224 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:51:22,238 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (647)] Forceful destruction successful, exit code 0 [2024-11-08 23:51:22,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:51:22,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:51:22,245 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:51:22,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:51:22,245 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:51:22,245 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:51:22,245 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:51:22,246 INFO L229 MonitoredProcess]: Starting monitored process 648 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:51:22,247 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (648)] Waiting until timeout for monitored process [2024-11-08 23:51:23,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:51:23,464 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:51:23,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:51:23,487 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:51:23,487 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:51:23,653 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:51:23,667 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (648)] Ended with exit code 0 [2024-11-08 23:51:23,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:51:23,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:51:23,675 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:51:23,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:51:23,675 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:51:23,675 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:51:23,675 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:51:23,676 INFO L229 MonitoredProcess]: Starting monitored process 649 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:51:23,677 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (649)] Waiting until timeout for monitored process [2024-11-08 23:51:24,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:51:24,862 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:51:24,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:51:24,884 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:51:24,885 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:51:25,119 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:51:25,134 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (649)] Forceful destruction successful, exit code 0 [2024-11-08 23:51:25,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:51:25,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:51:25,141 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:51:25,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:51:25,141 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:51:25,141 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:51:25,141 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:51:25,142 INFO L229 MonitoredProcess]: Starting monitored process 650 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:51:25,143 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (650)] Waiting until timeout for monitored process [2024-11-08 23:51:26,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:51:26,334 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:51:26,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:51:26,357 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:51:26,358 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:51:26,594 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:51:26,608 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (650)] Ended with exit code 0 [2024-11-08 23:51:26,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:51:26,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:51:26,615 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:51:26,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:51:26,615 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:51:26,615 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:51:26,615 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:51:26,617 INFO L229 MonitoredProcess]: Starting monitored process 651 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:51:26,618 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (651)] Waiting until timeout for monitored process [2024-11-08 23:51:27,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:51:27,828 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:51:27,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:51:27,853 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:51:27,853 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:51:28,042 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:51:28,057 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (651)] Forceful destruction successful, exit code 0 [2024-11-08 23:51:28,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:51:28,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:51:28,064 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:51:28,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:51:28,065 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:51:28,065 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:51:28,065 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:51:28,066 INFO L229 MonitoredProcess]: Starting monitored process 652 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:51:28,067 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (652)] Waiting until timeout for monitored process [2024-11-08 23:51:29,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:51:29,276 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:51:29,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:51:29,302 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:51:29,303 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:51:29,525 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:51:29,539 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (652)] Forceful destruction successful, exit code 0 [2024-11-08 23:51:29,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:51:29,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:51:29,546 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:51:29,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:51:29,546 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:51:29,546 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:51:29,546 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:51:29,547 INFO L229 MonitoredProcess]: Starting monitored process 653 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:51:29,548 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (653)] Waiting until timeout for monitored process [2024-11-08 23:51:30,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:51:30,756 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:51:30,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:51:30,782 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:51:30,783 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:51:31,015 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:51:31,030 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (653)] Ended with exit code 0 [2024-11-08 23:51:31,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:51:31,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:51:31,037 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:51:31,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:51:31,037 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:51:31,037 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:51:31,037 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:51:31,038 INFO L229 MonitoredProcess]: Starting monitored process 654 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:51:31,040 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (654)] Waiting until timeout for monitored process [2024-11-08 23:51:32,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:51:32,240 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:51:32,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:51:32,265 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:51:32,266 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:51:32,484 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:51:32,498 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (654)] Ended with exit code 0 [2024-11-08 23:51:32,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:51:32,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:51:32,506 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:51:32,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:51:32,506 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:51:32,506 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:51:32,506 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:51:32,507 INFO L229 MonitoredProcess]: Starting monitored process 655 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:51:32,508 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (655)] Waiting until timeout for monitored process [2024-11-08 23:51:33,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:51:33,714 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:51:33,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:51:33,738 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:51:33,739 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:51:33,959 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:51:33,973 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (655)] Forceful destruction successful, exit code 0 [2024-11-08 23:51:33,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:51:33,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:51:33,980 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:51:33,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:51:33,980 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:51:33,980 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:51:33,980 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:51:33,981 INFO L229 MonitoredProcess]: Starting monitored process 656 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:51:33,983 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (656)] Waiting until timeout for monitored process [2024-11-08 23:51:35,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:51:35,171 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:51:35,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:51:35,198 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:51:35,199 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:51:35,409 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:51:35,423 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (656)] Ended with exit code 0 [2024-11-08 23:51:35,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:51:35,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:51:35,430 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:51:35,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:51:35,430 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:51:35,430 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:51:35,430 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:51:35,431 INFO L229 MonitoredProcess]: Starting monitored process 657 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:51:35,432 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (657)] Waiting until timeout for monitored process [2024-11-08 23:51:36,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:51:36,626 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:51:36,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:51:36,649 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:51:36,650 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:51:36,886 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:51:36,900 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (657)] Forceful destruction successful, exit code 0 [2024-11-08 23:51:36,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:51:36,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:51:36,915 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:51:36,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:51:36,916 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:51:36,916 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:51:36,916 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:51:36,917 INFO L229 MonitoredProcess]: Starting monitored process 658 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:51:36,918 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (658)] Waiting until timeout for monitored process [2024-11-08 23:51:38,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:51:38,128 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:51:38,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:51:38,156 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:51:38,157 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:51:38,374 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:51:38,390 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (658)] Forceful destruction successful, exit code 0 [2024-11-08 23:51:38,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:51:38,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:51:38,400 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:51:38,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:51:38,400 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:51:38,400 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:51:38,400 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:51:38,401 INFO L229 MonitoredProcess]: Starting monitored process 659 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:51:38,402 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (659)] Waiting until timeout for monitored process [2024-11-08 23:51:39,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:51:39,615 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:51:39,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:51:39,640 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:51:39,640 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:51:39,875 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:51:39,890 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (659)] Forceful destruction successful, exit code 0 [2024-11-08 23:51:39,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:51:39,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:51:39,899 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:51:39,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:51:39,899 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:51:39,899 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:51:39,899 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:51:39,900 INFO L229 MonitoredProcess]: Starting monitored process 660 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:51:39,902 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (660)] Waiting until timeout for monitored process [2024-11-08 23:51:41,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:51:41,122 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:51:41,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:51:41,147 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:51:41,148 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:51:41,370 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:51:41,384 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (660)] Forceful destruction successful, exit code 0 [2024-11-08 23:51:41,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:51:41,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:51:41,391 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:51:41,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:51:41,391 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:51:41,391 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:51:41,392 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:51:41,392 INFO L229 MonitoredProcess]: Starting monitored process 661 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:51:41,394 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (661)] Waiting until timeout for monitored process [2024-11-08 23:51:42,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:51:42,672 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:51:42,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:51:42,702 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:51:42,704 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:51:42,959 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:51:42,977 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (661)] Ended with exit code 0 [2024-11-08 23:51:42,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:51:42,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:51:42,984 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:51:42,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:51:42,984 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:51:42,985 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:51:42,985 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:51:42,986 INFO L229 MonitoredProcess]: Starting monitored process 662 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:51:42,987 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (662)] Waiting until timeout for monitored process [2024-11-08 23:51:44,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:51:44,239 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:51:44,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:51:44,270 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:51:44,271 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:51:44,491 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:51:44,506 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (662)] Forceful destruction successful, exit code 0 [2024-11-08 23:51:44,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:51:44,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:51:44,514 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:51:44,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:51:44,514 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:51:44,514 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:51:44,514 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:51:44,515 INFO L229 MonitoredProcess]: Starting monitored process 663 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:51:44,516 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (663)] Waiting until timeout for monitored process [2024-11-08 23:51:45,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:51:45,730 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:51:45,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:51:45,787 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:51:45,788 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:51:45,992 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:51:46,007 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (663)] Forceful destruction successful, exit code 0 [2024-11-08 23:51:46,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:51:46,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:51:46,014 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:51:46,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:51:46,014 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:51:46,014 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:51:46,014 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:51:46,015 INFO L229 MonitoredProcess]: Starting monitored process 664 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:51:46,017 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (664)] Waiting until timeout for monitored process [2024-11-08 23:51:47,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:51:47,232 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:51:47,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:51:47,261 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:51:47,262 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:51:47,455 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:51:47,469 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (664)] Ended with exit code 0 [2024-11-08 23:51:47,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:51:47,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:51:47,476 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:51:47,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:51:47,476 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:51:47,476 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:51:47,476 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:51:47,477 INFO L229 MonitoredProcess]: Starting monitored process 665 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:51:47,479 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (665)] Waiting until timeout for monitored process [2024-11-08 23:51:48,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:51:48,699 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:51:48,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:51:48,722 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:51:48,723 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:51:48,927 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:51:48,942 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (665)] Ended with exit code 0 [2024-11-08 23:51:48,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:51:48,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:51:48,956 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:51:48,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:51:48,956 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:51:48,956 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:51:48,956 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:51:48,957 INFO L229 MonitoredProcess]: Starting monitored process 666 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:51:48,958 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (666)] Waiting until timeout for monitored process [2024-11-08 23:51:50,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:51:50,198 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:51:50,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:51:50,221 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:51:50,222 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:51:50,446 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:51:50,460 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (666)] Ended with exit code 0 [2024-11-08 23:51:50,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:51:50,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:51:50,468 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:51:50,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:51:50,468 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:51:50,468 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:51:50,468 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:51:50,469 INFO L229 MonitoredProcess]: Starting monitored process 667 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:51:50,470 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (667)] Waiting until timeout for monitored process [2024-11-08 23:51:51,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:51:51,706 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:51:51,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:51:51,730 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:51:51,731 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:51:51,958 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:51:51,973 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (667)] Forceful destruction successful, exit code 0 [2024-11-08 23:51:51,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:51:51,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:51:51,980 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:51:51,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:51:51,981 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:51:51,981 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:51:51,981 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:51:51,982 INFO L229 MonitoredProcess]: Starting monitored process 668 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:51:51,983 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (668)] Waiting until timeout for monitored process [2024-11-08 23:51:53,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:51:53,296 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:51:53,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:51:53,325 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:51:53,326 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:51:53,505 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:51:53,520 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (668)] Forceful destruction successful, exit code 0 [2024-11-08 23:51:53,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:51:53,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:51:53,527 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:51:53,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:51:53,528 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:51:53,528 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:51:53,528 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:51:53,529 INFO L229 MonitoredProcess]: Starting monitored process 669 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:51:53,530 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (669)] Waiting until timeout for monitored process [2024-11-08 23:51:54,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:51:54,741 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:51:54,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:51:54,774 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:51:54,775 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:51:55,000 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:51:55,014 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (669)] Ended with exit code 0 [2024-11-08 23:51:55,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:51:55,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:51:55,021 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:51:55,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:51:55,021 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:51:55,022 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:51:55,022 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:51:55,022 INFO L229 MonitoredProcess]: Starting monitored process 670 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:51:55,023 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (670)] Waiting until timeout for monitored process [2024-11-08 23:51:56,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:51:56,239 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:51:56,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:51:56,261 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:51:56,262 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:51:56,467 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:51:56,481 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (670)] Forceful destruction successful, exit code 0 [2024-11-08 23:51:56,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:51:56,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:51:56,488 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:51:56,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:51:56,488 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:51:56,489 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:51:56,489 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:51:56,489 INFO L229 MonitoredProcess]: Starting monitored process 671 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:51:56,490 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (671)] Waiting until timeout for monitored process [2024-11-08 23:51:57,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:51:57,734 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:51:57,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:51:57,757 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:51:57,758 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:51:58,017 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:51:58,032 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (671)] Ended with exit code 0 [2024-11-08 23:51:58,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:51:58,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:51:58,039 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:51:58,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:51:58,039 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:51:58,039 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:51:58,039 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:51:58,040 INFO L229 MonitoredProcess]: Starting monitored process 672 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:51:58,041 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (672)] Waiting until timeout for monitored process [2024-11-08 23:51:59,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:51:59,264 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:51:59,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:51:59,304 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:51:59,305 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:51:59,520 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:51:59,534 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (672)] Ended with exit code 0 [2024-11-08 23:51:59,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:51:59,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:51:59,542 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:51:59,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:51:59,542 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:51:59,542 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:51:59,542 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:51:59,543 INFO L229 MonitoredProcess]: Starting monitored process 673 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:51:59,544 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (673)] Waiting until timeout for monitored process [2024-11-08 23:52:00,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:52:00,752 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:52:00,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:52:00,776 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:52:00,777 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:52:01,031 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:52:01,044 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (673)] Forceful destruction successful, exit code 0 [2024-11-08 23:52:01,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:52:01,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:52:01,052 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:52:01,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:52:01,052 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:52:01,053 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:52:01,053 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:52:01,053 INFO L229 MonitoredProcess]: Starting monitored process 674 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:52:01,055 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (674)] Waiting until timeout for monitored process [2024-11-08 23:52:02,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:52:02,277 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:52:02,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:52:02,302 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:52:02,303 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:52:02,504 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:52:02,524 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (674)] Ended with exit code 0 [2024-11-08 23:52:02,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:52:02,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:52:02,550 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:52:02,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:52:02,550 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:52:02,550 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:52:02,550 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:52:02,553 INFO L229 MonitoredProcess]: Starting monitored process 675 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:52:02,554 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (675)] Waiting until timeout for monitored process [2024-11-08 23:52:03,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:52:03,792 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:52:03,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:52:03,814 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:52:03,815 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:52:04,034 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:52:04,048 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (675)] Forceful destruction successful, exit code 0 [2024-11-08 23:52:04,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:52:04,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:52:04,056 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:52:04,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:52:04,056 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:52:04,056 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:52:04,056 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:52:04,057 INFO L229 MonitoredProcess]: Starting monitored process 676 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:52:04,058 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (676)] Waiting until timeout for monitored process [2024-11-08 23:52:05,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:52:05,270 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:52:05,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:52:05,294 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:52:05,295 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:52:05,526 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:52:05,540 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (676)] Ended with exit code 0 [2024-11-08 23:52:05,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:52:05,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:52:05,548 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:52:05,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:52:05,548 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:52:05,548 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:52:05,548 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:52:05,549 INFO L229 MonitoredProcess]: Starting monitored process 677 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:52:05,550 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (677)] Waiting until timeout for monitored process [2024-11-08 23:52:06,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:52:06,761 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:52:06,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:52:06,783 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:52:06,784 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:52:06,999 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:52:07,014 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (677)] Forceful destruction successful, exit code 0 [2024-11-08 23:52:07,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:52:07,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:52:07,021 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:52:07,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:52:07,021 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:52:07,021 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:52:07,021 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:52:07,022 INFO L229 MonitoredProcess]: Starting monitored process 678 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:52:07,023 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (678)] Waiting until timeout for monitored process [2024-11-08 23:52:08,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:52:08,252 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:52:08,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:52:08,274 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:52:08,274 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:52:08,472 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:52:08,485 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (678)] Ended with exit code 0 [2024-11-08 23:52:08,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:52:08,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:52:08,492 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:52:08,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:52:08,492 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:52:08,492 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:52:08,492 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:52:08,493 INFO L229 MonitoredProcess]: Starting monitored process 679 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:52:08,494 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (679)] Waiting until timeout for monitored process [2024-11-08 23:52:09,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:52:09,713 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:52:09,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:52:09,735 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:52:09,736 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:52:09,948 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:52:09,962 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (679)] Forceful destruction successful, exit code 0 [2024-11-08 23:52:09,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:52:09,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:52:09,970 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:52:09,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:52:09,970 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:52:09,970 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:52:09,970 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:52:09,971 INFO L229 MonitoredProcess]: Starting monitored process 680 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:52:09,972 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (680)] Waiting until timeout for monitored process [2024-11-08 23:52:11,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:52:11,197 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:52:11,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:52:11,222 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:52:11,223 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:52:11,391 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:52:11,405 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (680)] Forceful destruction successful, exit code 0 [2024-11-08 23:52:11,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:52:11,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:52:11,413 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:52:11,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:52:11,413 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:52:11,413 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:52:11,414 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:52:11,414 INFO L229 MonitoredProcess]: Starting monitored process 681 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:52:11,415 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (681)] Waiting until timeout for monitored process [2024-11-08 23:52:12,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:52:12,717 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:52:12,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:52:12,742 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:52:12,742 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:52:12,951 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:52:12,971 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (681)] Forceful destruction successful, exit code 0 [2024-11-08 23:52:12,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:52:12,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:52:12,980 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:52:12,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:52:12,980 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:52:12,980 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:52:12,980 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:52:12,983 INFO L229 MonitoredProcess]: Starting monitored process 682 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:52:12,984 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (682)] Waiting until timeout for monitored process [2024-11-08 23:52:14,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:52:14,229 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:52:14,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:52:14,253 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:52:14,254 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:52:14,484 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:52:14,499 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (682)] Ended with exit code 0 [2024-11-08 23:52:14,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:52:14,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:52:14,506 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:52:14,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:52:14,506 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:52:14,506 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:52:14,506 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:52:14,507 INFO L229 MonitoredProcess]: Starting monitored process 683 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:52:14,508 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (683)] Waiting until timeout for monitored process [2024-11-08 23:52:15,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:52:15,749 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:52:15,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:52:15,773 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:52:15,774 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:52:15,973 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:52:15,988 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (683)] Ended with exit code 0 [2024-11-08 23:52:15,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:52:15,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:52:15,995 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:52:15,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:52:15,996 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:52:15,996 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:52:15,996 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:52:15,997 INFO L229 MonitoredProcess]: Starting monitored process 684 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:52:15,998 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (684)] Waiting until timeout for monitored process [2024-11-08 23:52:17,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:52:17,259 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:52:17,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:52:17,282 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:52:17,283 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:52:17,548 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:52:17,562 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (684)] Forceful destruction successful, exit code 0 [2024-11-08 23:52:17,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:52:17,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:52:17,570 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:52:17,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:52:17,570 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:52:17,570 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:52:17,570 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:52:17,571 INFO L229 MonitoredProcess]: Starting monitored process 685 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:52:17,575 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (685)] Waiting until timeout for monitored process [2024-11-08 23:52:18,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:52:18,809 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:52:18,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:52:18,831 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:52:18,832 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:52:19,067 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:52:19,082 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (685)] Ended with exit code 0 [2024-11-08 23:52:19,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:52:19,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:52:19,089 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:52:19,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:52:19,089 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:52:19,089 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:52:19,089 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:52:19,090 INFO L229 MonitoredProcess]: Starting monitored process 686 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:52:19,091 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (686)] Waiting until timeout for monitored process [2024-11-08 23:52:20,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:52:20,324 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:52:20,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:52:20,346 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:52:20,347 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:52:20,600 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:52:20,616 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (686)] Forceful destruction successful, exit code 0 [2024-11-08 23:52:20,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:52:20,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:52:20,624 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:52:20,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:52:20,624 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:52:20,624 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:52:20,624 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:52:20,625 INFO L229 MonitoredProcess]: Starting monitored process 687 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:52:20,626 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (687)] Waiting until timeout for monitored process [2024-11-08 23:52:21,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:52:21,881 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:52:21,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:52:21,905 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:52:21,906 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:52:22,114 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:52:22,129 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (687)] Forceful destruction successful, exit code 0 [2024-11-08 23:52:22,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:52:22,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:52:22,136 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:52:22,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:52:22,136 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:52:22,136 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:52:22,136 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:52:22,137 INFO L229 MonitoredProcess]: Starting monitored process 688 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:52:22,138 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (688)] Waiting until timeout for monitored process [2024-11-08 23:52:23,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:52:23,438 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:52:23,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:52:23,463 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:52:23,464 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:52:23,684 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:52:23,699 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (688)] Ended with exit code 0 [2024-11-08 23:52:23,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:52:23,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:52:23,706 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:52:23,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:52:23,706 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:52:23,706 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:52:23,706 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:52:23,707 INFO L229 MonitoredProcess]: Starting monitored process 689 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:52:23,708 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (689)] Waiting until timeout for monitored process [2024-11-08 23:52:24,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:52:24,982 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:52:25,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:52:25,017 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:52:25,017 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:52:25,217 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:52:25,233 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (689)] Ended with exit code 0 [2024-11-08 23:52:25,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:52:25,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:52:25,242 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:52:25,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:52:25,242 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:52:25,242 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:52:25,242 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:52:25,243 INFO L229 MonitoredProcess]: Starting monitored process 690 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:52:25,245 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (690)] Waiting until timeout for monitored process [2024-11-08 23:52:26,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:52:26,488 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:52:26,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:52:26,510 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:52:26,511 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:52:26,763 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:52:26,777 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (690)] Ended with exit code 0 [2024-11-08 23:52:26,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:52:26,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:52:26,786 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:52:26,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:52:26,786 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:52:26,786 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:52:26,786 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:52:26,787 INFO L229 MonitoredProcess]: Starting monitored process 691 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:52:26,788 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (691)] Waiting until timeout for monitored process [2024-11-08 23:52:28,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:52:28,033 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:52:28,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:52:28,058 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:52:28,058 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:52:28,291 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:52:28,307 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (691)] Forceful destruction successful, exit code 0 [2024-11-08 23:52:28,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:52:28,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:52:28,316 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:52:28,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:52:28,316 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:52:28,316 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:52:28,316 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:52:28,317 INFO L229 MonitoredProcess]: Starting monitored process 692 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:52:28,320 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (692)] Waiting until timeout for monitored process [2024-11-08 23:52:29,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:52:29,555 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:52:29,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:52:29,580 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:52:29,581 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:52:29,818 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:52:29,834 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (692)] Forceful destruction successful, exit code 0 [2024-11-08 23:52:29,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:52:29,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:52:29,842 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:52:29,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:52:29,843 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:52:29,843 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:52:29,843 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:52:29,844 INFO L229 MonitoredProcess]: Starting monitored process 693 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:52:29,848 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (693)] Waiting until timeout for monitored process [2024-11-08 23:52:31,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:52:31,126 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:52:31,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:52:31,148 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:52:31,149 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:52:31,388 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:52:31,403 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (693)] Ended with exit code 0 [2024-11-08 23:52:31,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:52:31,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:52:31,417 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:52:31,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:52:31,418 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:52:31,418 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:52:31,418 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:52:31,419 INFO L229 MonitoredProcess]: Starting monitored process 694 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:52:31,420 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (694)] Waiting until timeout for monitored process [2024-11-08 23:52:32,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:52:32,741 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:52:32,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:52:32,768 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:52:32,769 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:52:33,051 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:52:33,064 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (694)] Ended with exit code 0 [2024-11-08 23:52:33,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:52:33,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:52:33,072 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:52:33,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:52:33,072 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:52:33,072 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:52:33,072 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:52:33,073 INFO L229 MonitoredProcess]: Starting monitored process 695 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:52:33,074 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (695)] Waiting until timeout for monitored process [2024-11-08 23:52:34,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:52:34,340 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:52:34,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:52:34,362 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:52:34,363 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:52:34,547 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:52:34,562 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (695)] Forceful destruction successful, exit code 0 [2024-11-08 23:52:34,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:52:34,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:52:34,570 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:52:34,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:52:34,571 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:52:34,571 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:52:34,571 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:52:34,572 INFO L229 MonitoredProcess]: Starting monitored process 696 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:52:34,573 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (696)] Waiting until timeout for monitored process [2024-11-08 23:52:35,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:52:35,846 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:52:35,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:52:35,870 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:52:35,870 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:52:36,111 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:52:36,125 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (696)] Forceful destruction successful, exit code 0 [2024-11-08 23:52:36,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:52:36,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:52:36,134 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:52:36,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:52:36,134 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:52:36,134 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:52:36,134 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:52:36,135 INFO L229 MonitoredProcess]: Starting monitored process 697 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:52:36,136 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (697)] Waiting until timeout for monitored process [2024-11-08 23:52:37,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:52:37,389 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:52:37,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:52:37,419 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:52:37,420 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:52:37,655 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:52:37,670 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (697)] Forceful destruction successful, exit code 0 [2024-11-08 23:52:37,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:52:37,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:52:37,677 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:52:37,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:52:37,678 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:52:37,678 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:52:37,678 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:52:37,679 INFO L229 MonitoredProcess]: Starting monitored process 698 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:52:37,680 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (698)] Waiting until timeout for monitored process [2024-11-08 23:52:38,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:52:38,937 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:52:38,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:52:38,960 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:52:38,961 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:52:39,176 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:52:39,190 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (698)] Ended with exit code 0 [2024-11-08 23:52:39,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:52:39,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:52:39,198 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:52:39,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:52:39,198 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:52:39,198 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:52:39,198 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:52:39,199 INFO L229 MonitoredProcess]: Starting monitored process 699 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:52:39,200 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (699)] Waiting until timeout for monitored process [2024-11-08 23:52:40,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:52:40,527 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:52:40,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:52:40,563 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:52:40,564 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:52:40,767 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:52:40,783 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (699)] Forceful destruction successful, exit code 0 [2024-11-08 23:52:40,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:52:40,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:52:40,792 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:52:40,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:52:40,792 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:52:40,792 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:52:40,792 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:52:40,793 INFO L229 MonitoredProcess]: Starting monitored process 700 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:52:40,794 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (700)] Waiting until timeout for monitored process [2024-11-08 23:52:42,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:52:42,072 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:52:42,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:52:42,095 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:52:42,096 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:52:42,284 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:52:42,299 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (700)] Forceful destruction successful, exit code 0 [2024-11-08 23:52:42,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:52:42,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:52:42,307 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:52:42,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:52:42,308 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:52:42,308 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:52:42,308 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:52:42,309 INFO L229 MonitoredProcess]: Starting monitored process 701 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:52:42,309 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (701)] Waiting until timeout for monitored process [2024-11-08 23:52:43,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:52:43,586 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:52:43,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:52:43,611 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-08 23:52:43,611 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:52:43,886 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:52:43,900 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (701)] Forceful destruction successful, exit code 0 [2024-11-08 23:52:43,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:52:43,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:52:43,908 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:52:43,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:52:43,908 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:52:43,908 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:52:43,908 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:52:43,909 INFO L229 MonitoredProcess]: Starting monitored process 702 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:52:43,910 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (702)] Waiting until timeout for monitored process [2024-11-08 23:52:45,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:52:45,184 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:52:45,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:52:45,207 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:52:45,208 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:52:45,418 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:52:45,433 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (702)] Ended with exit code 0 [2024-11-08 23:52:45,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:52:45,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:52:45,442 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:52:45,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:52:45,442 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:52:45,442 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:52:45,442 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:52:45,443 INFO L229 MonitoredProcess]: Starting monitored process 703 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:52:45,444 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (703)] Waiting until timeout for monitored process [2024-11-08 23:52:46,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:52:46,723 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:52:46,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:52:46,748 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:52:46,749 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:52:46,985 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:52:47,001 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (703)] Forceful destruction successful, exit code 0 [2024-11-08 23:52:47,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:52:47,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:52:47,009 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:52:47,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:52:47,009 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:52:47,009 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:52:47,009 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:52:47,010 INFO L229 MonitoredProcess]: Starting monitored process 704 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:52:47,011 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (704)] Waiting until timeout for monitored process [2024-11-08 23:52:48,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:52:48,287 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:52:48,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:52:48,310 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:52:48,311 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:52:48,516 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:52:48,531 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (704)] Ended with exit code 0 [2024-11-08 23:52:48,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:52:48,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:52:48,546 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:52:48,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:52:48,546 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:52:48,546 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:52:48,546 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:52:48,547 INFO L229 MonitoredProcess]: Starting monitored process 705 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:52:48,549 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (705)] Waiting until timeout for monitored process [2024-11-08 23:52:49,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:52:49,845 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:52:49,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:52:49,870 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:52:49,871 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:52:50,078 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:52:50,094 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (705)] Ended with exit code 0 [2024-11-08 23:52:50,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:52:50,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:52:50,102 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:52:50,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:52:50,102 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:52:50,102 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:52:50,103 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:52:50,103 INFO L229 MonitoredProcess]: Starting monitored process 706 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:52:50,105 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (706)] Waiting until timeout for monitored process [2024-11-08 23:52:51,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:52:51,376 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:52:51,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:52:51,401 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:52:51,402 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:52:51,615 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:52:51,631 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (706)] Ended with exit code 0 [2024-11-08 23:52:51,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:52:51,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:52:51,638 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:52:51,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:52:51,638 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:52:51,638 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:52:51,638 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:52:51,639 INFO L229 MonitoredProcess]: Starting monitored process 707 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:52:51,640 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (707)] Waiting until timeout for monitored process [2024-11-08 23:52:52,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:52:52,993 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:52:53,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:52:53,018 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:52:53,019 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:52:53,240 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:52:53,256 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (707)] Forceful destruction successful, exit code 0 [2024-11-08 23:52:53,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:52:53,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:52:53,263 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:52:53,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:52:53,263 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:52:53,263 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:52:53,264 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:52:53,264 INFO L229 MonitoredProcess]: Starting monitored process 708 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:52:53,266 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (708)] Waiting until timeout for monitored process [2024-11-08 23:52:54,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:52:54,548 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:52:54,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:52:54,571 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:52:54,572 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:52:54,808 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:52:54,824 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (708)] Ended with exit code 0 [2024-11-08 23:52:54,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:52:54,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:52:54,833 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:52:54,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:52:54,833 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:52:54,833 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:52:54,833 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:52:54,834 INFO L229 MonitoredProcess]: Starting monitored process 709 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:52:54,835 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (709)] Waiting until timeout for monitored process [2024-11-08 23:52:56,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:52:56,115 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:52:56,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:52:56,156 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:52:56,157 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:52:56,410 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:52:56,425 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (709)] Forceful destruction successful, exit code 0 [2024-11-08 23:52:56,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:52:56,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:52:56,433 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:52:56,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:52:56,434 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:52:56,434 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:52:56,434 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:52:56,435 INFO L229 MonitoredProcess]: Starting monitored process 710 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:52:56,436 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (710)] Waiting until timeout for monitored process [2024-11-08 23:52:57,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:52:57,721 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:52:57,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:52:57,743 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:52:57,744 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:52:57,974 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:52:57,990 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (710)] Ended with exit code 0 [2024-11-08 23:52:57,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:52:57,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:52:57,997 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:52:57,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:52:57,997 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:52:57,997 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:52:57,997 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:52:57,998 INFO L229 MonitoredProcess]: Starting monitored process 711 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:52:58,000 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (711)] Waiting until timeout for monitored process [2024-11-08 23:52:59,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:52:59,284 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:52:59,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:52:59,306 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:52:59,307 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:52:59,517 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:52:59,533 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (711)] Ended with exit code 0 [2024-11-08 23:52:59,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:52:59,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:52:59,541 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:52:59,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:52:59,542 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:52:59,542 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:52:59,542 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:52:59,543 INFO L229 MonitoredProcess]: Starting monitored process 712 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:52:59,544 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (712)] Waiting until timeout for monitored process [2024-11-08 23:53:00,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:53:00,825 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:53:00,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:53:00,848 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:53:00,849 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:53:01,092 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:53:01,107 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (712)] Forceful destruction successful, exit code 0 [2024-11-08 23:53:01,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:53:01,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:53:01,114 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:53:01,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:53:01,114 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:53:01,114 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:53:01,114 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:53:01,115 INFO L229 MonitoredProcess]: Starting monitored process 713 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:53:01,116 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (713)] Waiting until timeout for monitored process [2024-11-08 23:53:02,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:53:02,407 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:53:02,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:53:02,430 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:53:02,431 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:53:02,679 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:53:02,703 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (713)] Forceful destruction successful, exit code 0 [2024-11-08 23:53:02,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:53:02,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:53:02,713 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:53:02,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:53:02,714 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:53:02,714 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:53:02,714 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:53:02,717 INFO L229 MonitoredProcess]: Starting monitored process 714 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:53:02,719 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (714)] Waiting until timeout for monitored process [2024-11-08 23:53:04,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:53:04,020 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:53:04,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:53:04,044 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:53:04,044 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:53:04,278 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:53:04,294 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (714)] Ended with exit code 0 [2024-11-08 23:53:04,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:53:04,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:53:04,303 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:53:04,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:53:04,303 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:53:04,303 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:53:04,303 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:53:04,304 INFO L229 MonitoredProcess]: Starting monitored process 715 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:53:04,305 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (715)] Waiting until timeout for monitored process [2024-11-08 23:53:05,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:53:05,586 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:53:05,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:53:05,631 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-08 23:53:05,631 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:53:05,771 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:53:05,787 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (715)] Ended with exit code 0 [2024-11-08 23:53:05,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:53:05,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:53:05,794 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:53:05,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:53:05,795 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:53:05,795 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:53:05,795 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:53:05,796 INFO L229 MonitoredProcess]: Starting monitored process 716 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:53:05,797 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (716)] Waiting until timeout for monitored process [2024-11-08 23:53:07,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:53:07,078 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:53:07,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:53:07,101 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:53:07,102 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:53:07,324 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:53:07,340 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (716)] Ended with exit code 0 [2024-11-08 23:53:07,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:53:07,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:53:07,354 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:53:07,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:53:07,354 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:53:07,355 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:53:07,355 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:53:07,355 INFO L229 MonitoredProcess]: Starting monitored process 717 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:53:07,357 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (717)] Waiting until timeout for monitored process [2024-11-08 23:53:08,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:53:08,644 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:53:08,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:53:08,667 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:53:08,668 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:53:08,871 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:53:08,886 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (717)] Ended with exit code 0 [2024-11-08 23:53:08,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:53:08,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:53:08,895 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:53:08,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:53:08,895 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:53:08,895 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:53:08,895 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:53:08,896 INFO L229 MonitoredProcess]: Starting monitored process 718 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:53:08,897 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (718)] Waiting until timeout for monitored process [2024-11-08 23:53:10,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:53:10,219 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:53:10,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:53:10,256 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:53:10,257 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:53:10,466 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:53:10,482 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (718)] Forceful destruction successful, exit code 0 [2024-11-08 23:53:10,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:53:10,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:53:10,490 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:53:10,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:53:10,490 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:53:10,491 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:53:10,491 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:53:10,492 INFO L229 MonitoredProcess]: Starting monitored process 719 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:53:10,493 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (719)] Waiting until timeout for monitored process [2024-11-08 23:53:11,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:53:11,787 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:53:11,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:53:11,809 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:53:11,810 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:53:12,010 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:53:12,026 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (719)] Forceful destruction successful, exit code 0 [2024-11-08 23:53:12,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:53:12,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:53:12,033 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:53:12,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:53:12,033 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:53:12,033 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:53:12,033 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:53:12,034 INFO L229 MonitoredProcess]: Starting monitored process 720 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:53:12,035 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (720)] Waiting until timeout for monitored process [2024-11-08 23:53:13,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:53:13,389 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:53:13,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:53:13,414 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:53:13,415 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:53:13,641 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:53:13,657 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (720)] Forceful destruction successful, exit code 0 [2024-11-08 23:53:13,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:53:13,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:53:13,665 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:53:13,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:53:13,666 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:53:13,666 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:53:13,666 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:53:13,667 INFO L229 MonitoredProcess]: Starting monitored process 721 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:53:13,668 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (721)] Waiting until timeout for monitored process [2024-11-08 23:53:14,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:53:14,970 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:53:14,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:53:14,995 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:53:14,995 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:53:15,200 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:53:15,216 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (721)] Forceful destruction successful, exit code 0 [2024-11-08 23:53:15,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:53:15,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:53:15,223 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:53:15,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:53:15,224 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:53:15,224 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:53:15,224 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:53:15,225 INFO L229 MonitoredProcess]: Starting monitored process 722 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:53:15,226 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (722)] Waiting until timeout for monitored process [2024-11-08 23:53:16,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:53:16,525 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:53:16,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:53:16,548 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:53:16,549 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:53:16,801 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:53:16,817 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (722)] Forceful destruction successful, exit code 0 [2024-11-08 23:53:16,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:53:16,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:53:16,824 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:53:16,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:53:16,824 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:53:16,824 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:53:16,824 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:53:16,825 INFO L229 MonitoredProcess]: Starting monitored process 723 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:53:16,826 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (723)] Waiting until timeout for monitored process [2024-11-08 23:53:18,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:53:18,144 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:53:18,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:53:18,168 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:53:18,169 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:53:18,370 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:53:18,386 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (723)] Ended with exit code 0 [2024-11-08 23:53:18,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:53:18,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:53:18,393 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:53:18,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:53:18,394 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:53:18,394 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:53:18,394 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:53:18,395 INFO L229 MonitoredProcess]: Starting monitored process 724 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:53:18,396 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (724)] Waiting until timeout for monitored process [2024-11-08 23:53:19,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:53:19,698 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:53:19,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:53:19,729 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:53:19,730 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:53:19,950 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:53:19,966 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (724)] Forceful destruction successful, exit code 0 [2024-11-08 23:53:19,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:53:19,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:53:19,974 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:53:19,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:53:19,975 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:53:19,975 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:53:19,975 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:53:19,976 INFO L229 MonitoredProcess]: Starting monitored process 725 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:53:19,977 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (725)] Waiting until timeout for monitored process [2024-11-08 23:53:21,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:53:21,293 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:53:21,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:53:21,316 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:53:21,317 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:53:21,525 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:53:21,541 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (725)] Ended with exit code 0 [2024-11-08 23:53:21,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:53:21,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:53:21,549 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:53:21,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:53:21,549 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:53:21,549 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:53:21,549 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:53:21,550 INFO L229 MonitoredProcess]: Starting monitored process 726 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:53:21,552 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (726)] Waiting until timeout for monitored process [2024-11-08 23:53:22,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:53:22,896 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:53:22,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:53:22,921 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:53:22,921 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:53:23,151 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:53:23,168 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (726)] Ended with exit code 0 [2024-11-08 23:53:23,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:53:23,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:53:23,175 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:53:23,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:53:23,175 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:53:23,175 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:53:23,175 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:53:23,176 INFO L229 MonitoredProcess]: Starting monitored process 727 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:53:23,178 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (727)] Waiting until timeout for monitored process [2024-11-08 23:53:24,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:53:24,480 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:53:24,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:53:24,503 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:53:24,503 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:53:24,715 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:53:24,731 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (727)] Ended with exit code 0 [2024-11-08 23:53:24,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:53:24,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:53:24,738 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:53:24,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:53:24,738 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:53:24,738 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:53:24,738 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:53:24,739 INFO L229 MonitoredProcess]: Starting monitored process 728 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:53:24,740 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (728)] Waiting until timeout for monitored process [2024-11-08 23:53:26,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:53:26,039 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:53:26,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:53:26,062 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:53:26,062 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:53:26,325 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:53:26,341 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (728)] Ended with exit code 0 [2024-11-08 23:53:26,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:53:26,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:53:26,349 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:53:26,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:53:26,349 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:53:26,349 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:53:26,349 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:53:26,350 INFO L229 MonitoredProcess]: Starting monitored process 729 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:53:26,351 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (729)] Waiting until timeout for monitored process [2024-11-08 23:53:27,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:53:27,659 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:53:27,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:53:27,682 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:53:27,683 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:53:27,901 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:53:27,917 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (729)] Ended with exit code 0 [2024-11-08 23:53:27,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:53:27,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:53:27,924 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:53:27,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:53:27,925 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:53:27,925 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:53:27,925 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:53:27,926 INFO L229 MonitoredProcess]: Starting monitored process 730 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:53:27,927 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (730)] Waiting until timeout for monitored process [2024-11-08 23:53:29,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:53:29,242 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:53:29,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:53:29,267 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:53:29,268 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:53:29,500 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:53:29,516 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (730)] Ended with exit code 0 [2024-11-08 23:53:29,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:53:29,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:53:29,523 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:53:29,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:53:29,524 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:53:29,524 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:53:29,524 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:53:29,525 INFO L229 MonitoredProcess]: Starting monitored process 731 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:53:29,526 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (731)] Waiting until timeout for monitored process [2024-11-08 23:53:30,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:53:30,856 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:53:30,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:53:30,879 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:53:30,880 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:53:31,103 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:53:31,119 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (731)] Forceful destruction successful, exit code 0 [2024-11-08 23:53:31,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:53:31,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:53:31,133 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:53:31,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:53:31,133 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:53:31,133 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:53:31,133 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:53:31,134 INFO L229 MonitoredProcess]: Starting monitored process 732 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:53:31,135 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (732)] Waiting until timeout for monitored process [2024-11-08 23:53:32,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:53:32,449 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:53:32,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:53:32,471 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:53:32,472 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:53:32,751 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:53:32,768 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (732)] Ended with exit code 0 [2024-11-08 23:53:32,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:53:32,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:53:32,776 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:53:32,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:53:32,777 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:53:32,777 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:53:32,777 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:53:32,778 INFO L229 MonitoredProcess]: Starting monitored process 733 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:53:32,779 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (733)] Waiting until timeout for monitored process [2024-11-08 23:53:34,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:53:34,105 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:53:34,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:53:34,132 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:53:34,133 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:53:34,374 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:53:34,390 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (733)] Ended with exit code 0 [2024-11-08 23:53:34,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:53:34,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:53:34,397 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:53:34,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:53:34,398 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:53:34,398 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:53:34,398 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:53:34,399 INFO L229 MonitoredProcess]: Starting monitored process 734 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:53:34,400 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (734)] Waiting until timeout for monitored process [2024-11-08 23:53:35,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:53:35,721 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:53:35,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:53:35,744 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:53:35,745 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:53:35,971 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:53:35,988 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (734)] Ended with exit code 0 [2024-11-08 23:53:35,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:53:35,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:53:35,996 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:53:35,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:53:35,997 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:53:35,997 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:53:35,997 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:53:35,998 INFO L229 MonitoredProcess]: Starting monitored process 735 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:53:35,999 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (735)] Waiting until timeout for monitored process [2024-11-08 23:53:37,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:53:37,316 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:53:37,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:53:37,339 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:53:37,340 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:53:37,558 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:53:37,574 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (735)] Ended with exit code 0 [2024-11-08 23:53:37,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:53:37,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:53:37,582 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:53:37,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:53:37,582 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:53:37,582 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:53:37,582 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:53:37,583 INFO L229 MonitoredProcess]: Starting monitored process 736 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:53:37,584 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (736)] Waiting until timeout for monitored process [2024-11-08 23:53:38,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:53:38,907 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:53:38,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:53:38,930 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:53:38,931 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:53:39,124 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:53:39,141 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (736)] Forceful destruction successful, exit code 0 [2024-11-08 23:53:39,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:53:39,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:53:39,148 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:53:39,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:53:39,148 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:53:39,149 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:53:39,149 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:53:39,149 INFO L229 MonitoredProcess]: Starting monitored process 737 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:53:39,151 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (737)] Waiting until timeout for monitored process [2024-11-08 23:53:40,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:53:40,476 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:53:40,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:53:40,499 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:53:40,500 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:53:40,739 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:53:40,754 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (737)] Ended with exit code 0 [2024-11-08 23:53:40,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:53:40,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:53:40,762 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:53:40,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:53:40,762 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:53:40,763 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:53:40,763 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:53:40,764 INFO L229 MonitoredProcess]: Starting monitored process 738 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:53:40,764 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (738)] Waiting until timeout for monitored process [2024-11-08 23:53:42,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:53:42,089 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:53:42,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:53:42,113 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:53:42,114 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:53:42,330 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:53:42,346 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (738)] Forceful destruction successful, exit code 0 [2024-11-08 23:53:42,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:53:42,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:53:42,353 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:53:42,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:53:42,353 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:53:42,354 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:53:42,354 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:53:42,354 INFO L229 MonitoredProcess]: Starting monitored process 739 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:53:42,355 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (739)] Waiting until timeout for monitored process [2024-11-08 23:53:43,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:53:43,707 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:53:43,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:53:43,736 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:53:43,737 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:53:43,945 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:53:43,961 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (739)] Forceful destruction successful, exit code 0 [2024-11-08 23:53:43,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:53:43,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:53:43,968 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:53:43,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:53:43,968 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:53:43,968 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:53:43,968 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:53:43,969 INFO L229 MonitoredProcess]: Starting monitored process 740 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:53:43,970 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (740)] Waiting until timeout for monitored process [2024-11-08 23:53:45,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:53:45,288 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:53:45,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:53:45,312 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:53:45,313 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:53:45,544 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:53:45,560 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (740)] Ended with exit code 0 [2024-11-08 23:53:45,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:53:45,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:53:45,568 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:53:45,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:53:45,569 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:53:45,569 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:53:45,569 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:53:45,570 INFO L229 MonitoredProcess]: Starting monitored process 741 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:53:45,571 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (741)] Waiting until timeout for monitored process [2024-11-08 23:53:46,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:53:46,900 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:53:46,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:53:46,923 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:53:46,924 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:53:47,160 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:53:47,176 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (741)] Forceful destruction successful, exit code 0 [2024-11-08 23:53:47,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:53:47,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:53:47,183 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:53:47,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:53:47,183 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:53:47,183 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:53:47,183 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:53:47,184 INFO L229 MonitoredProcess]: Starting monitored process 742 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:53:47,185 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (742)] Waiting until timeout for monitored process [2024-11-08 23:53:48,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:53:48,526 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:53:48,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:53:48,549 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:53:48,550 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:53:48,757 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:53:48,774 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (742)] Ended with exit code 0 [2024-11-08 23:53:48,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:53:48,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:53:48,781 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:53:48,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:53:48,782 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:53:48,782 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:53:48,782 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:53:48,783 INFO L229 MonitoredProcess]: Starting monitored process 743 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:53:48,784 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (743)] Waiting until timeout for monitored process [2024-11-08 23:53:50,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:53:50,115 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:53:50,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:53:50,139 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:53:50,140 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:53:50,370 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:53:50,387 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (743)] Forceful destruction successful, exit code 0 [2024-11-08 23:53:50,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:53:50,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:53:50,394 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:53:50,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:53:50,394 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:53:50,394 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:53:50,394 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:53:50,395 INFO L229 MonitoredProcess]: Starting monitored process 744 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:53:50,396 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (744)] Waiting until timeout for monitored process [2024-11-08 23:53:51,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:53:51,755 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:53:51,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:53:51,781 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:53:51,781 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:53:51,998 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:53:52,015 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (744)] Forceful destruction successful, exit code 0 [2024-11-08 23:53:52,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:53:52,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:53:52,022 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:53:52,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:53:52,022 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:53:52,023 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:53:52,023 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:53:52,023 INFO L229 MonitoredProcess]: Starting monitored process 745 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:53:52,024 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (745)] Waiting until timeout for monitored process [2024-11-08 23:53:53,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:53:53,385 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:53:53,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:53:53,409 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:53:53,410 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:53:53,643 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:53:53,659 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (745)] Ended with exit code 0 [2024-11-08 23:53:53,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:53:53,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:53:53,666 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:53:53,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:53:53,667 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:53:53,667 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:53:53,667 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:53:53,668 INFO L229 MonitoredProcess]: Starting monitored process 746 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:53:53,669 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (746)] Waiting until timeout for monitored process [2024-11-08 23:53:54,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:53:54,995 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:53:55,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:53:55,020 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:53:55,021 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:53:55,271 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:53:55,288 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (746)] Forceful destruction successful, exit code 0 [2024-11-08 23:53:55,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:53:55,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:53:55,296 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:53:55,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:53:55,296 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:53:55,296 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:53:55,297 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:53:55,297 INFO L229 MonitoredProcess]: Starting monitored process 747 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:53:55,298 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (747)] Waiting until timeout for monitored process [2024-11-08 23:53:56,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:53:56,636 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:53:56,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:53:56,660 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:53:56,661 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:53:56,908 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:53:56,924 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (747)] Forceful destruction successful, exit code 0 [2024-11-08 23:53:56,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:53:56,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:53:56,931 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:53:56,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:53:56,932 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:53:56,932 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:53:56,932 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:53:56,933 INFO L229 MonitoredProcess]: Starting monitored process 748 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:53:56,934 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (748)] Waiting until timeout for monitored process [2024-11-08 23:53:58,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:53:58,289 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:53:58,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:53:58,311 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:53:58,311 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:53:58,523 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:53:58,540 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (748)] Ended with exit code 0 [2024-11-08 23:53:58,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:53:58,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:53:58,554 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:53:58,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:53:58,554 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:53:58,554 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:53:58,554 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:53:58,555 INFO L229 MonitoredProcess]: Starting monitored process 749 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:53:58,556 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (749)] Waiting until timeout for monitored process [2024-11-08 23:53:59,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:53:59,885 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:53:59,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:53:59,910 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:53:59,911 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:54:00,149 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:54:00,165 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (749)] Forceful destruction successful, exit code 0 [2024-11-08 23:54:00,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:54:00,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:54:00,173 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:54:00,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:54:00,173 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:54:00,173 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:54:00,175 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:54:00,176 INFO L229 MonitoredProcess]: Starting monitored process 750 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:54:00,177 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (750)] Waiting until timeout for monitored process [2024-11-08 23:54:01,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:54:01,512 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:54:01,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:54:01,534 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:54:01,535 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:54:01,729 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:54:01,745 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (750)] Forceful destruction successful, exit code 0 [2024-11-08 23:54:01,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:54:01,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:54:01,752 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:54:01,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:54:01,752 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:54:01,753 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:54:01,753 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:54:01,754 INFO L229 MonitoredProcess]: Starting monitored process 751 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:54:01,754 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (751)] Waiting until timeout for monitored process [2024-11-08 23:54:03,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:54:03,134 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:54:03,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:54:03,158 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:54:03,158 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:54:03,403 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:54:03,420 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (751)] Forceful destruction successful, exit code 0 [2024-11-08 23:54:03,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:54:03,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:54:03,427 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:54:03,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:54:03,427 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:54:03,427 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:54:03,427 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:54:03,428 INFO L229 MonitoredProcess]: Starting monitored process 752 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:54:03,430 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (752)] Waiting until timeout for monitored process [2024-11-08 23:54:04,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:54:04,794 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:54:04,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:54:04,819 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:54:04,819 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:54:05,045 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:54:05,062 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (752)] Ended with exit code 0 [2024-11-08 23:54:05,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:54:05,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:54:05,070 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:54:05,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:54:05,070 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:54:05,070 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:54:05,070 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:54:05,071 INFO L229 MonitoredProcess]: Starting monitored process 753 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:54:05,072 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (753)] Waiting until timeout for monitored process [2024-11-08 23:54:06,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:54:06,428 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:54:06,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:54:06,466 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:54:06,467 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:54:06,760 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:54:06,783 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (753)] Forceful destruction successful, exit code 0 [2024-11-08 23:54:06,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:54:06,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:54:06,793 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:54:06,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:54:06,793 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:54:06,794 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:54:06,794 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:54:06,797 INFO L229 MonitoredProcess]: Starting monitored process 754 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:54:06,798 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (754)] Waiting until timeout for monitored process [2024-11-08 23:54:08,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:54:08,222 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:54:08,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:54:08,245 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:54:08,246 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:54:08,500 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:54:08,515 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (754)] Ended with exit code 0 [2024-11-08 23:54:08,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:54:08,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:54:08,522 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:54:08,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:54:08,522 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:54:08,522 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:54:08,522 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:54:08,523 INFO L229 MonitoredProcess]: Starting monitored process 755 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:54:08,524 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (755)] Waiting until timeout for monitored process [2024-11-08 23:54:09,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:54:09,861 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:54:09,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:54:09,885 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:54:09,885 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:54:10,120 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:54:10,137 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (755)] Ended with exit code 0 [2024-11-08 23:54:10,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:54:10,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:54:10,143 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:54:10,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:54:10,144 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:54:10,144 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:54:10,144 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:54:10,145 INFO L229 MonitoredProcess]: Starting monitored process 756 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:54:10,146 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (756)] Waiting until timeout for monitored process [2024-11-08 23:54:11,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:54:11,484 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:54:11,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:54:11,512 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:54:11,513 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:54:11,707 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:54:11,722 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (756)] Forceful destruction successful, exit code 0 [2024-11-08 23:54:11,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:54:11,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:54:11,730 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:54:11,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:54:11,730 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:54:11,730 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:54:11,730 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:54:11,731 INFO L229 MonitoredProcess]: Starting monitored process 757 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:54:11,732 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (757)] Waiting until timeout for monitored process [2024-11-08 23:54:13,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:54:13,072 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:54:13,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:54:13,097 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:54:13,097 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:54:13,312 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:54:13,328 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (757)] Forceful destruction successful, exit code 0 [2024-11-08 23:54:13,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:54:13,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:54:13,334 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:54:13,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:54:13,335 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:54:13,335 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:54:13,335 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:54:13,336 INFO L229 MonitoredProcess]: Starting monitored process 758 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:54:13,336 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (758)] Waiting until timeout for monitored process [2024-11-08 23:54:14,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:54:14,677 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:54:14,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:54:14,702 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:54:14,703 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:54:15,012 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:54:15,029 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (758)] Forceful destruction successful, exit code 0 [2024-11-08 23:54:15,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:54:15,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:54:15,036 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:54:15,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:54:15,036 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:54:15,036 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:54:15,037 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:54:15,037 INFO L229 MonitoredProcess]: Starting monitored process 759 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:54:15,038 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (759)] Waiting until timeout for monitored process [2024-11-08 23:54:16,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:54:16,468 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:54:16,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:54:16,493 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:54:16,494 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:54:16,724 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:54:16,742 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (759)] Ended with exit code 0 [2024-11-08 23:54:16,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:54:16,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:54:16,750 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:54:16,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:54:16,750 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:54:16,750 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:54:16,750 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:54:16,751 INFO L229 MonitoredProcess]: Starting monitored process 760 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:54:16,752 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (760)] Waiting until timeout for monitored process [2024-11-08 23:54:18,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:54:18,133 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:54:18,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:54:18,192 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:54:18,193 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:54:18,430 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:54:18,449 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (760)] Forceful destruction successful, exit code 0 [2024-11-08 23:54:18,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:54:18,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:54:18,456 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:54:18,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:54:18,456 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:54:18,457 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:54:18,457 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:54:18,457 INFO L229 MonitoredProcess]: Starting monitored process 761 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:54:18,458 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (761)] Waiting until timeout for monitored process [2024-11-08 23:54:19,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:54:19,829 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:54:19,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:54:19,854 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:54:19,854 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:54:20,088 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:54:20,106 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (761)] Ended with exit code 0 [2024-11-08 23:54:20,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:54:20,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:54:20,113 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:54:20,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:54:20,113 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:54:20,113 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:54:20,113 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:54:20,114 INFO L229 MonitoredProcess]: Starting monitored process 762 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:54:20,115 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (762)] Waiting until timeout for monitored process [2024-11-08 23:54:21,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:54:21,470 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:54:21,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:54:21,493 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:54:21,493 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:54:21,690 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:54:21,706 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (762)] Forceful destruction successful, exit code 0 [2024-11-08 23:54:21,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:54:21,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:54:21,713 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:54:21,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:54:21,713 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:54:21,713 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:54:21,714 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:54:21,714 INFO L229 MonitoredProcess]: Starting monitored process 763 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:54:21,716 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (763)] Waiting until timeout for monitored process [2024-11-08 23:54:23,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:54:23,143 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:54:23,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:54:23,168 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:54:23,169 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:54:23,393 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:54:23,411 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (763)] Ended with exit code 0 [2024-11-08 23:54:23,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:54:23,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:54:23,418 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:54:23,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:54:23,418 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:54:23,418 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:54:23,418 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:54:23,419 INFO L229 MonitoredProcess]: Starting monitored process 764 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:54:23,420 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (764)] Waiting until timeout for monitored process [2024-11-08 23:54:24,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:54:24,796 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:54:24,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:54:24,820 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:54:24,820 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:54:25,080 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:54:25,098 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (764)] Forceful destruction successful, exit code 0 [2024-11-08 23:54:25,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:54:25,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:54:25,106 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:54:25,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:54:25,106 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:54:25,106 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:54:25,106 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:54:25,107 INFO L229 MonitoredProcess]: Starting monitored process 765 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:54:25,108 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (765)] Waiting until timeout for monitored process [2024-11-08 23:54:26,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:54:26,485 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:54:26,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:54:26,509 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:54:26,509 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:54:26,733 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:54:26,750 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (765)] Ended with exit code 0 [2024-11-08 23:54:26,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:54:26,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:54:26,757 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:54:26,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:54:26,757 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:54:26,758 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:54:26,758 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:54:26,759 INFO L229 MonitoredProcess]: Starting monitored process 766 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:54:26,760 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (766)] Waiting until timeout for monitored process [2024-11-08 23:54:28,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:54:28,148 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:54:28,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:54:28,177 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:54:28,178 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:54:28,410 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:54:28,428 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (766)] Forceful destruction successful, exit code 0 [2024-11-08 23:54:28,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:54:28,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:54:28,435 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:54:28,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:54:28,435 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:54:28,435 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:54:28,435 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:54:28,436 INFO L229 MonitoredProcess]: Starting monitored process 767 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:54:28,437 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (767)] Waiting until timeout for monitored process [2024-11-08 23:54:29,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:54:29,841 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:54:29,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:54:29,863 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:54:29,864 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:54:30,077 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:54:30,095 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (767)] Forceful destruction successful, exit code 0 [2024-11-08 23:54:30,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:54:30,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:54:30,102 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:54:30,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:54:30,102 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:54:30,102 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:54:30,102 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:54:30,103 INFO L229 MonitoredProcess]: Starting monitored process 768 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:54:30,106 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (768)] Waiting until timeout for monitored process [2024-11-08 23:54:31,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:54:31,494 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:54:31,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:54:31,517 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:54:31,518 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:54:31,755 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:54:31,771 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (768)] Forceful destruction successful, exit code 0 [2024-11-08 23:54:31,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:54:31,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:54:31,779 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:54:31,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:54:31,779 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:54:31,779 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:54:31,779 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:54:31,780 INFO L229 MonitoredProcess]: Starting monitored process 769 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:54:31,781 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (769)] Waiting until timeout for monitored process [2024-11-08 23:54:33,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:54:33,188 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:54:33,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:54:33,211 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:54:33,212 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:54:33,425 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:54:33,444 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (769)] Forceful destruction successful, exit code 0 [2024-11-08 23:54:33,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:54:33,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:54:33,452 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:54:33,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:54:33,452 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:54:33,452 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:54:33,452 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:54:33,453 INFO L229 MonitoredProcess]: Starting monitored process 770 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:54:33,454 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (770)] Waiting until timeout for monitored process [2024-11-08 23:54:34,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:54:34,839 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:54:34,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:54:34,862 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:54:34,862 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:54:35,080 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:54:35,098 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (770)] Ended with exit code 0 [2024-11-08 23:54:35,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:54:35,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:54:35,106 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:54:35,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:54:35,106 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:54:35,106 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:54:35,107 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:54:35,107 INFO L229 MonitoredProcess]: Starting monitored process 771 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:54:35,108 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (771)] Waiting until timeout for monitored process [2024-11-08 23:54:36,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:54:36,501 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:54:36,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:54:36,523 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:54:36,524 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:54:36,746 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:54:36,764 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (771)] Forceful destruction successful, exit code 0 [2024-11-08 23:54:36,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:54:36,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:54:36,771 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:54:36,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:54:36,772 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:54:36,772 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:54:36,772 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:54:36,773 INFO L229 MonitoredProcess]: Starting monitored process 772 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:54:36,774 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (772)] Waiting until timeout for monitored process [2024-11-08 23:54:38,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:54:38,174 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:54:38,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:54:38,198 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:54:38,199 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:54:38,388 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:54:38,406 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (772)] Forceful destruction successful, exit code 0 [2024-11-08 23:54:38,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:54:38,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 100 transitions. [2024-11-08 23:54:38,413 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2024-11-08 23:54:38,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:54:38,413 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:54:38,414 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:54:38,414 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:54:38,414 INFO L229 MonitoredProcess]: Starting monitored process 773 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:54:38,416 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b253454-45d7-4f34-af1f-47150d673c89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (773)] Waiting until timeout for monitored process