./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-17.i --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_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/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_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-17.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/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_ed611b4d-9485-4688-8077-2cd7f2a60cab/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 21420ec07872ebdf13b6707327ac11dfce6dd5da26c087213f4c675ac808eb5c --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:09:25,703 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:09:25,803 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-08 23:09:25,808 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 23:09:25,809 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 23:09:25,847 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:09:25,848 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:09:25,848 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 23:09:25,849 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:09:25,849 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:09:25,850 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:09:25,851 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:09:25,851 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 23:09:25,851 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 23:09:25,852 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 23:09:25,852 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:09:25,853 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:09:25,853 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:09:25,856 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:09:25,856 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:09:25,860 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 23:09:25,864 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:09:25,864 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:09:25,864 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:09:25,865 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:09:25,865 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:09:25,865 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:09:25,865 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:09:25,866 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:09:25,876 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:09:25,878 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:09:25,879 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 23:09:25,879 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 23:09:25,879 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_ed611b4d-9485-4688-8077-2cd7f2a60cab/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 21420ec07872ebdf13b6707327ac11dfce6dd5da26c087213f4c675ac808eb5c [2024-11-08 23:09:26,212 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:09:26,251 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:09:26,255 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:09:26,257 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:09:26,258 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:09:26,260 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-17.i Unable to find full path for "g++" [2024-11-08 23:09:28,394 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:09:28,604 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:09:28,605 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-17.i [2024-11-08 23:09:28,613 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/data/8a26b6ec6/9311c51c1df84b9ba88d79fceb228426/FLAGa7063fadc [2024-11-08 23:09:28,655 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/data/8a26b6ec6/9311c51c1df84b9ba88d79fceb228426 [2024-11-08 23:09:28,658 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:09:28,660 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:09:28,662 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:09:28,663 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:09:28,669 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:09:28,670 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:09:28" (1/1) ... [2024-11-08 23:09:28,672 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b8b96cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:09:28, skipping insertion in model container [2024-11-08 23:09:28,672 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:09:28" (1/1) ... [2024-11-08 23:09:28,711 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:09:28,931 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_ed611b4d-9485-4688-8077-2cd7f2a60cab/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-17.i[915,928] [2024-11-08 23:09:28,969 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:09:28,980 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:09:28,996 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_ed611b4d-9485-4688-8077-2cd7f2a60cab/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-17.i[915,928] [2024-11-08 23:09:29,021 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:09:29,049 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:09:29,050 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:09:29 WrapperNode [2024-11-08 23:09:29,050 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:09:29,051 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:09:29,051 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:09:29,052 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:09:29,060 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:09:29" (1/1) ... [2024-11-08 23:09:29,069 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:09:29" (1/1) ... [2024-11-08 23:09:29,093 INFO L138 Inliner]: procedures = 26, calls = 27, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 88 [2024-11-08 23:09:29,093 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:09:29,094 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:09:29,094 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:09:29,094 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:09:29,105 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:09:29" (1/1) ... [2024-11-08 23:09:29,106 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:09:29" (1/1) ... [2024-11-08 23:09:29,108 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:09:29" (1/1) ... [2024-11-08 23:09:29,108 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:09:29" (1/1) ... [2024-11-08 23:09:29,114 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:09:29" (1/1) ... [2024-11-08 23:09:29,118 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:09:29" (1/1) ... [2024-11-08 23:09:29,120 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:09:29" (1/1) ... [2024-11-08 23:09:29,121 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:09:29" (1/1) ... [2024-11-08 23:09:29,123 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:09:29,124 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:09:29,125 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:09:29,125 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:09:29,126 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:09:29" (1/1) ... [2024-11-08 23:09:29,139 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:09:29,150 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:09:29,165 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:09:29,167 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:09:29,193 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:09:29,194 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-08 23:09:29,194 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-08 23:09:29,194 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 23:09:29,194 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:09:29,195 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:09:29,287 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:09:29,292 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:09:29,564 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-08 23:09:29,564 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:09:29,695 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:09:29,696 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 23:09:29,700 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:09:29 BoogieIcfgContainer [2024-11-08 23:09:29,700 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:09:29,701 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:09:29,701 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:09:29,719 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:09:29,720 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:09:29" (1/1) ... [2024-11-08 23:09:29,732 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:09:29,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:09:29,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 23:09:29,803 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 23:09:29,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:09:29,809 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:09:29,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:09:30,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:09:30,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:09:30,219 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:09:30,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:09:30,347 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-08 23:09:30,406 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 11:09:30 ImpRootNode [2024-11-08 23:09:30,407 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 23:09:30,407 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 23:09:30,408 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 23:09:30,408 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 23:09:30,409 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:09:29" (3/4) ... [2024-11-08 23:09:30,413 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 23:09:30,414 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 23:09:30,416 INFO L158 Benchmark]: Toolchain (without parser) took 1754.84ms. Allocated memory is still 148.9MB. Free memory was 120.2MB in the beginning and 80.9MB in the end (delta: 39.3MB). Peak memory consumption was 37.1MB. Max. memory is 16.1GB. [2024-11-08 23:09:30,417 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 119.5MB. Free memory is still 92.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:09:30,418 INFO L158 Benchmark]: CACSL2BoogieTranslator took 388.30ms. Allocated memory is still 148.9MB. Free memory was 120.0MB in the beginning and 108.0MB in the end (delta: 12.0MB). Peak memory consumption was 12.8MB. Max. memory is 16.1GB. [2024-11-08 23:09:30,419 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.16ms. Allocated memory is still 148.9MB. Free memory was 108.0MB in the beginning and 106.6MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:09:30,421 INFO L158 Benchmark]: Boogie Preprocessor took 29.45ms. Allocated memory is still 148.9MB. Free memory was 106.6MB in the beginning and 105.2MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:09:30,422 INFO L158 Benchmark]: RCFGBuilder took 575.60ms. Allocated memory is still 148.9MB. Free memory was 105.2MB in the beginning and 104.0MB in the end (delta: 1.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-08 23:09:30,423 INFO L158 Benchmark]: CodeCheck took 705.94ms. Allocated memory is still 148.9MB. Free memory was 104.0MB in the beginning and 80.9MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-11-08 23:09:30,424 INFO L158 Benchmark]: Witness Printer took 7.02ms. Allocated memory is still 148.9MB. Free memory is still 80.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:09:30,428 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 2 procedures, 30 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 53 NumberOfCodeBlocks, 53 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 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: 19]: 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: [L21] unsigned char isInitial = 0; [L22] float var_1_1 = 3.6; [L23] signed char var_1_2 = 5; [L24] signed char var_1_3 = -25; [L25] signed long int var_1_4 = -8; [L26] unsigned char var_1_5 = 1; [L27] signed long int var_1_6 = 256; [L28] unsigned char var_1_7 = 0; [L29] float var_1_8 = 4.6; [L79] isInitial = 1 [L80] FCALL initially() [L81] COND TRUE 1 [L82] FCALL updateLastVariables() [L83] CALL updateVariables() [L50] var_1_2 = __VERIFIER_nondet_char() [L51] CALL assume_abort_if_not(var_1_2 >= -128) VAL [\old(cond)=1, isInitial=1, var_1_1=18/5, var_1_2=0, var_1_3=-25, var_1_4=-8, var_1_5=1, var_1_6=256, var_1_7=0, var_1_8=23/5] [L20] COND FALSE !(!cond) [L51] RET assume_abort_if_not(var_1_2 >= -128) VAL [isInitial=1, var_1_1=18/5, var_1_2=0, var_1_3=-25, var_1_4=-8, var_1_5=1, var_1_6=256, var_1_7=0, var_1_8=23/5] [L52] CALL assume_abort_if_not(var_1_2 <= 127) VAL [\old(cond)=1, isInitial=1, var_1_1=18/5, var_1_2=0, var_1_3=-25, var_1_4=-8, var_1_5=1, var_1_6=256, var_1_7=0, var_1_8=23/5] [L20] COND FALSE !(!cond) [L52] RET assume_abort_if_not(var_1_2 <= 127) VAL [isInitial=1, var_1_1=18/5, var_1_2=0, var_1_3=-25, var_1_4=-8, var_1_5=1, var_1_6=256, var_1_7=0, var_1_8=23/5] [L53] var_1_3 = __VERIFIER_nondet_char() [L54] CALL assume_abort_if_not(var_1_3 >= -128) VAL [\old(cond)=1, isInitial=1, var_1_1=18/5, var_1_2=0, var_1_3=1, var_1_4=-8, var_1_5=1, var_1_6=256, var_1_7=0, var_1_8=23/5] [L20] COND FALSE !(!cond) [L54] RET assume_abort_if_not(var_1_3 >= -128) VAL [isInitial=1, var_1_1=18/5, var_1_2=0, var_1_3=1, var_1_4=-8, var_1_5=1, var_1_6=256, var_1_7=0, var_1_8=23/5] [L55] CALL assume_abort_if_not(var_1_3 <= 127) VAL [\old(cond)=1, isInitial=1, var_1_1=18/5, var_1_2=0, var_1_3=1, var_1_4=-8, var_1_5=1, var_1_6=256, var_1_7=0, var_1_8=23/5] [L20] COND FALSE !(!cond) [L55] RET assume_abort_if_not(var_1_3 <= 127) VAL [isInitial=1, var_1_1=18/5, var_1_2=0, var_1_3=1, var_1_4=-8, var_1_5=1, var_1_6=256, var_1_7=0, var_1_8=23/5] [L56] CALL assume_abort_if_not(var_1_3 != 0) VAL [\old(cond)=1, isInitial=1, var_1_1=18/5, var_1_2=0, var_1_3=1, var_1_4=-8, var_1_5=1, var_1_6=256, var_1_7=0, var_1_8=23/5] [L20] COND FALSE !(!cond) [L56] RET assume_abort_if_not(var_1_3 != 0) VAL [isInitial=1, var_1_1=18/5, var_1_2=0, var_1_3=1, var_1_4=-8, var_1_5=1, var_1_6=256, var_1_7=0, var_1_8=23/5] [L57] var_1_4 = __VERIFIER_nondet_long() [L58] CALL assume_abort_if_not(var_1_4 >= -2147483648) VAL [\old(cond)=1, isInitial=1, var_1_1=18/5, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=256, var_1_7=0, var_1_8=23/5] [L20] COND FALSE !(!cond) [L58] RET assume_abort_if_not(var_1_4 >= -2147483648) VAL [isInitial=1, var_1_1=18/5, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=256, var_1_7=0, var_1_8=23/5] [L59] CALL assume_abort_if_not(var_1_4 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_1=18/5, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=256, var_1_7=0, var_1_8=23/5] [L20] COND FALSE !(!cond) [L59] RET assume_abort_if_not(var_1_4 <= 2147483647) VAL [isInitial=1, var_1_1=18/5, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=256, var_1_7=0, var_1_8=23/5] [L60] var_1_5 = __VERIFIER_nondet_uchar() [L61] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_1=18/5, var_1_2=0, var_1_3=1, var_1_4=0, var_1_6=256, var_1_7=0, var_1_8=23/5] [L20] COND FALSE !(!cond) [L61] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, var_1_1=18/5, var_1_2=0, var_1_3=1, var_1_4=0, var_1_6=256, var_1_7=0, var_1_8=23/5] [L62] CALL assume_abort_if_not(var_1_5 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_1=18/5, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=256, var_1_7=0, var_1_8=23/5] [L20] COND FALSE !(!cond) [L62] RET assume_abort_if_not(var_1_5 <= 1) VAL [isInitial=1, var_1_1=18/5, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=256, var_1_7=0, var_1_8=23/5] [L63] var_1_6 = __VERIFIER_nondet_long() [L64] CALL assume_abort_if_not(var_1_6 >= -2147483648) VAL [\old(cond)=1, isInitial=1, var_1_1=18/5, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=23/5] [L20] COND FALSE !(!cond) [L64] RET assume_abort_if_not(var_1_6 >= -2147483648) VAL [isInitial=1, var_1_1=18/5, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=23/5] [L65] CALL assume_abort_if_not(var_1_6 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_1=18/5, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=23/5] [L20] COND FALSE !(!cond) [L65] RET assume_abort_if_not(var_1_6 <= 2147483647) VAL [isInitial=1, var_1_1=18/5, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=23/5] [L66] var_1_7 = __VERIFIER_nondet_uchar() [L67] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_1=18/5, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=23/5] [L20] COND FALSE !(!cond) [L67] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, var_1_1=18/5, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=23/5] [L68] CALL assume_abort_if_not(var_1_7 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_1=18/5, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=23/5] [L20] COND FALSE !(!cond) [L68] RET assume_abort_if_not(var_1_7 <= 1) VAL [isInitial=1, var_1_1=18/5, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=23/5] [L69] var_1_8 = __VERIFIER_nondet_float() [L70] CALL assume_abort_if_not((var_1_8 >= -922337.2036854765600e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854765600e+12F && var_1_8 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_1=18/5, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=0] [L20] COND FALSE !(!cond) [L70] RET assume_abort_if_not((var_1_8 >= -922337.2036854765600e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854765600e+12F && var_1_8 >= 1.0e-20F )) VAL [isInitial=1, var_1_1=18/5, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=0] [L83] RET updateVariables() [L84] CALL step() [L33] COND FALSE !((var_1_2 / var_1_3) < var_1_4) [L46] var_1_1 = var_1_8 [L84] RET step() [L85] CALL, EXPR property() [L75-L76] return ((var_1_2 / var_1_3) < var_1_4) ? (var_1_5 ? ((var_1_4 <= ((((var_1_3) < ((var_1_2 * var_1_6))) ? (var_1_3) : ((var_1_2 * var_1_6))))) ? (var_1_7 ? (var_1_1 == ((float) var_1_8)) : (var_1_1 == ((float) var_1_8))) : (var_1_1 == ((float) var_1_8))) : 1) : (var_1_1 == ((float) var_1_8)) ; [L85] RET, EXPR property() [L85] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_1=2, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=2] [L19] reach_error() VAL [isInitial=1, var_1_1=2, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=2] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 119.5MB. Free memory is still 92.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 388.30ms. Allocated memory is still 148.9MB. Free memory was 120.0MB in the beginning and 108.0MB in the end (delta: 12.0MB). Peak memory consumption was 12.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.16ms. Allocated memory is still 148.9MB. Free memory was 108.0MB in the beginning and 106.6MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.45ms. Allocated memory is still 148.9MB. Free memory was 106.6MB in the beginning and 105.2MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 575.60ms. Allocated memory is still 148.9MB. Free memory was 105.2MB in the beginning and 104.0MB in the end (delta: 1.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * CodeCheck took 705.94ms. Allocated memory is still 148.9MB. Free memory was 104.0MB in the beginning and 80.9MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Witness Printer took 7.02ms. Allocated memory is still 148.9MB. Free memory is still 80.9MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-08 23:09:30,479 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/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_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/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_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-17.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/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_ed611b4d-9485-4688-8077-2cd7f2a60cab/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 21420ec07872ebdf13b6707327ac11dfce6dd5da26c087213f4c675ac808eb5c --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:09:33,390 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:09:33,481 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-08 23:09:33,537 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:09:33,538 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:09:33,538 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 23:09:33,539 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:09:33,540 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:09:33,541 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:09:33,541 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:09:33,542 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 23:09:33,542 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 23:09:33,542 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:09:33,543 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:09:33,543 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:09:33,545 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:09:33,546 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 23:09:33,548 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 23:09:33,548 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:09:33,548 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 23:09:33,549 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 23:09:33,552 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:09:33,552 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:09:33,552 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:09:33,553 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:09:33,553 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:09:33,553 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 23:09:33,553 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-08 23:09:33,554 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:09:33,554 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:09:33,554 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:09:33,555 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:09:33,555 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:09:33,555 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-08 23:09:33,557 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 23:09:33,557 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-08 23:09:33,558 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_ed611b4d-9485-4688-8077-2cd7f2a60cab/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 21420ec07872ebdf13b6707327ac11dfce6dd5da26c087213f4c675ac808eb5c [2024-11-08 23:09:33,935 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:09:33,966 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:09:33,970 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:09:33,971 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:09:33,972 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:09:33,974 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-17.i Unable to find full path for "g++" [2024-11-08 23:09:36,076 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:09:36,342 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:09:36,343 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-17.i [2024-11-08 23:09:36,351 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/data/48d9ab62a/3e5c051f2dfa4bb994c65f1f533a5462/FLAGf0798c376 [2024-11-08 23:09:36,673 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/data/48d9ab62a/3e5c051f2dfa4bb994c65f1f533a5462 [2024-11-08 23:09:36,676 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:09:36,678 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:09:36,679 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:09:36,680 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:09:36,685 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:09:36,686 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:09:36" (1/1) ... [2024-11-08 23:09:36,688 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@bde16e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:09:36, skipping insertion in model container [2024-11-08 23:09:36,688 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:09:36" (1/1) ... [2024-11-08 23:09:36,713 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:09:36,990 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_ed611b4d-9485-4688-8077-2cd7f2a60cab/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-17.i[915,928] [2024-11-08 23:09:37,056 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:09:37,080 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:09:37,100 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_ed611b4d-9485-4688-8077-2cd7f2a60cab/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-17.i[915,928] [2024-11-08 23:09:37,134 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:09:37,167 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:09:37,167 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:09:37 WrapperNode [2024-11-08 23:09:37,167 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:09:37,169 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:09:37,169 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:09:37,169 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:09:37,178 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:09:37" (1/1) ... [2024-11-08 23:09:37,197 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:09:37" (1/1) ... [2024-11-08 23:09:37,236 INFO L138 Inliner]: procedures = 27, calls = 27, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 84 [2024-11-08 23:09:37,236 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:09:37,241 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:09:37,242 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:09:37,242 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:09:37,254 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:09:37" (1/1) ... [2024-11-08 23:09:37,254 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:09:37" (1/1) ... [2024-11-08 23:09:37,260 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:09:37" (1/1) ... [2024-11-08 23:09:37,261 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:09:37" (1/1) ... [2024-11-08 23:09:37,274 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:09:37" (1/1) ... [2024-11-08 23:09:37,278 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:09:37" (1/1) ... [2024-11-08 23:09:37,280 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:09:37" (1/1) ... [2024-11-08 23:09:37,282 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:09:37" (1/1) ... [2024-11-08 23:09:37,285 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:09:37,286 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:09:37,286 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:09:37,286 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:09:37,287 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:09:37" (1/1) ... [2024-11-08 23:09:37,294 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:09:37,314 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:09:37,330 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:09:37,335 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:09:37,375 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:09:37,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-08 23:09:37,377 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-08 23:09:37,377 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-08 23:09:37,378 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:09:37,378 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:09:37,474 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:09:37,477 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:09:37,827 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-08 23:09:37,827 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:09:37,993 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:09:37,993 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 23:09:37,994 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:09:37 BoogieIcfgContainer [2024-11-08 23:09:37,994 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:09:37,995 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:09:37,995 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:09:38,007 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:09:38,009 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:09:37" (1/1) ... [2024-11-08 23:09:38,021 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:09:38,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:09:38,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 23:09:38,086 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 23:09:38,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:09:38,093 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:09:38,094 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:09:38,094 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:09:38,097 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:09:38,111 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-08 23:09:38,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:09:38,776 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:09:38,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:09:38,892 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:09:38,901 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:09:42,509 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:09:42,525 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2024-11-08 23:09:42,527 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-08 23:09:43,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:09:43,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 31 states and 46 transitions. [2024-11-08 23:09:43,087 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 46 transitions. [2024-11-08 23:09:43,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:09:43,089 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:09:43,090 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:09:43,090 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:09:43,093 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:09:43,095 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-08 23:09:43,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:09:43,640 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:09:43,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:09:43,743 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:09:43,748 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:09:46,663 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:09:46,671 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-08 23:09:46,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:09:46,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 31 states and 46 transitions. [2024-11-08 23:09:46,696 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 46 transitions. [2024-11-08 23:09:46,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:09:46,699 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:09:46,699 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:09:46,700 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:09:46,703 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:09:46,706 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-08 23:09:47,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:09:47,206 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:09:47,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:09:47,296 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:09:47,299 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:09:49,756 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:09:49,761 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-08 23:09:49,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:09:49,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 31 states and 46 transitions. [2024-11-08 23:09:49,776 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 46 transitions. [2024-11-08 23:09:49,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:09:49,779 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:09:49,780 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:09:49,780 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:09:49,783 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:09:49,784 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-08 23:09:50,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:09:50,318 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:09:50,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:09:50,398 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:09:50,402 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:09:53,058 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:09:53,065 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2024-11-08 23:09:53,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:09:53,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 31 states and 46 transitions. [2024-11-08 23:09:53,076 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 46 transitions. [2024-11-08 23:09:53,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:09:53,078 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:09:53,078 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:09:53,078 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:09:53,080 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:09:53,083 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-08 23:09:53,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:09:53,626 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:09:53,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:09:53,721 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:09:53,724 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:09:56,174 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:09:56,184 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-11-08 23:09:56,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:09:56,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 31 states and 46 transitions. [2024-11-08 23:09:56,199 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 46 transitions. [2024-11-08 23:09:56,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:09:56,202 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:09:56,203 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:09:56,203 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:09:56,207 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:09:56,208 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-08 23:09:56,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:09:56,714 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:09:56,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:09:56,758 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-08 23:09:56,762 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:09:59,366 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:09:59,373 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-11-08 23:10:00,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:10:00,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:10:00,006 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:10:00,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:10:00,008 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:10:00,008 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:10:00,008 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:10:00,014 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:10:00,021 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-11-08 23:10:00,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:10:00,503 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:10:00,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:10:00,554 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-08 23:10:00,557 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:10:02,881 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:10:02,890 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-11-08 23:10:02,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:10:02,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:10:02,976 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:10:02,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:10:02,977 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:10:02,977 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:10:02,978 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:10:02,980 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:10:02,982 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-11-08 23:10:03,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:10:03,543 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:10:03,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:10:03,601 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-08 23:10:03,604 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:10:05,672 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:10:05,677 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-11-08 23:10:05,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:10:05,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:10:05,688 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:10:05,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:10:05,690 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:10:05,690 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:10:05,690 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:10:05,693 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:10:05,697 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-11-08 23:10:06,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:10:06,188 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:10:06,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:10:06,244 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:10:06,248 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:10:08,235 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:10:08,241 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2024-11-08 23:10:08,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:10:08,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:10:08,252 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:10:08,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:10:08,257 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:10:08,258 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:10:08,258 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:10:08,260 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:10:08,263 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-11-08 23:10:08,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:10:08,732 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:10:08,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:10:08,785 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:10:08,787 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:10:10,536 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:10:10,541 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (11)] Forceful destruction successful, exit code 0 [2024-11-08 23:10:10,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:10:10,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:10:10,551 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:10:10,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:10:10,552 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:10:10,552 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:10:10,553 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:10:10,556 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:10:10,561 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-11-08 23:10:11,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:10:11,202 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:10:11,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:10:11,277 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:10:11,279 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:10:13,443 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:10:13,450 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2024-11-08 23:10:13,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:10:13,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:10:13,457 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:10:13,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:10:13,458 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:10:13,458 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:10:13,459 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:10:13,465 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:10:13,468 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-11-08 23:10:13,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:10:13,995 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:10:14,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:10:14,063 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:10:14,064 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:10:16,221 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:10:16,225 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (13)] Forceful destruction successful, exit code 0 [2024-11-08 23:10:16,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:10:16,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:10:16,234 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:10:16,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:10:16,235 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:10:16,235 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:10:16,235 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:10:16,238 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:10:16,241 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-11-08 23:10:16,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:10:16,778 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:10:16,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:10:16,845 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:10:16,848 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:10:18,811 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:10:18,817 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (14)] Forceful destruction successful, exit code 0 [2024-11-08 23:10:18,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:10:18,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:10:18,823 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:10:18,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:10:18,824 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:10:18,825 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:10:18,825 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:10:18,828 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:10:18,833 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2024-11-08 23:10:19,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:10:19,301 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:10:19,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:10:19,380 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:10:19,382 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:10:21,419 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:10:21,424 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (15)] Forceful destruction successful, exit code 0 [2024-11-08 23:10:21,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:10:21,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:10:21,430 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:10:21,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:10:21,431 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:10:21,431 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:10:21,431 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:10:21,432 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:10:21,434 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2024-11-08 23:10:21,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:10:21,908 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:10:21,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:10:21,973 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:10:21,975 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:10:24,291 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:10:24,296 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2024-11-08 23:10:24,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:10:24,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:10:24,312 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:10:24,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:10:24,313 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:10:24,313 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:10:24,314 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:10:24,317 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:10:24,323 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2024-11-08 23:10:24,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:10:24,862 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:10:24,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:10:24,920 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:10:24,922 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:10:26,897 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:10:26,902 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2024-11-08 23:10:26,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:10:26,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:10:26,909 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:10:26,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:10:26,911 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:10:26,911 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:10:26,912 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:10:26,914 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:10:26,918 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2024-11-08 23:10:27,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:10:27,417 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:10:27,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:10:27,524 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:10:27,526 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:10:29,586 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:10:29,593 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2024-11-08 23:10:29,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:10:29,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:10:29,604 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:10:29,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:10:29,608 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:10:29,609 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:10:29,609 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:10:29,612 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:10:29,615 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2024-11-08 23:10:30,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:10:30,126 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:10:30,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:10:30,192 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:10:30,194 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:10:32,166 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:10:32,172 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (19)] Forceful destruction successful, exit code 0 [2024-11-08 23:10:32,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:10:32,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:10:32,179 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:10:32,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:10:32,179 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:10:32,180 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:10:32,180 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:10:32,183 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:10:32,185 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2024-11-08 23:10:32,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:10:32,749 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:10:32,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:10:32,817 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:10:32,818 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:10:35,023 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:10:35,029 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0 [2024-11-08 23:10:35,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:10:35,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:10:35,036 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:10:35,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:10:35,037 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:10:35,037 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:10:35,037 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:10:35,038 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:10:35,040 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2024-11-08 23:10:35,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:10:35,526 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:10:35,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:10:35,573 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:10:35,574 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:10:37,588 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:10:37,595 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (21)] Forceful destruction successful, exit code 0 [2024-11-08 23:10:37,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:10:37,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:10:37,602 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:10:37,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:10:37,603 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:10:37,606 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:10:37,606 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:10:37,609 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:10:37,610 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2024-11-08 23:10:38,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:10:38,102 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:10:38,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:10:38,161 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:10:38,162 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:10:40,336 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:10:40,342 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (22)] Forceful destruction successful, exit code 0 [2024-11-08 23:10:40,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:10:40,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:10:40,349 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:10:40,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:10:40,350 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:10:40,351 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:10:40,351 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:10:40,354 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:10:40,356 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2024-11-08 23:10:40,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:10:40,836 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:10:40,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:10:40,879 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:10:40,881 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:10:42,997 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:10:43,002 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (23)] Forceful destruction successful, exit code 0 [2024-11-08 23:10:43,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:10:43,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:10:43,010 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:10:43,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:10:43,012 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:10:43,012 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:10:43,012 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:10:43,015 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:10:43,019 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2024-11-08 23:10:43,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:10:43,525 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:10:43,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:10:43,574 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:10:43,576 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:10:45,584 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:10:45,589 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (24)] Forceful destruction successful, exit code 0 [2024-11-08 23:10:45,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:10:45,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:10:45,594 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:10:45,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:10:45,594 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:10:45,595 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:10:45,595 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:10:45,598 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:10:45,600 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2024-11-08 23:10:46,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:10:46,079 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:10:46,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:10:46,177 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:10:46,179 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:10:48,101 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:10:48,106 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (25)] Forceful destruction successful, exit code 0 [2024-11-08 23:10:48,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:10:48,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:10:48,113 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:10:48,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:10:48,114 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:10:48,114 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:10:48,114 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:10:48,117 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:10:48,120 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2024-11-08 23:10:48,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:10:48,608 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:10:48,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:10:48,665 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:10:48,667 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:10:50,734 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:10:50,742 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (26)] Ended with exit code 0 [2024-11-08 23:10:50,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:10:50,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:10:50,750 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:10:50,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:10:50,751 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:10:50,751 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:10:50,751 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:10:50,754 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:10:50,758 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2024-11-08 23:10:51,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:10:51,237 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:10:51,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:10:51,286 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:10:51,287 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:10:53,282 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:10:53,287 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (27)] Forceful destruction successful, exit code 0 [2024-11-08 23:10:53,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:10:53,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:10:53,292 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:10:53,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:10:53,292 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:10:53,293 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:10:53,293 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:10:53,294 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:10:53,296 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2024-11-08 23:10:53,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:10:53,765 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:10:53,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:10:53,811 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-08 23:10:53,812 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:10:55,871 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:10:55,880 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (28)] Ended with exit code 0 [2024-11-08 23:10:55,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:10:55,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:10:55,889 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:10:55,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:10:55,890 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:10:55,890 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:10:55,890 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:10:55,893 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:10:55,899 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2024-11-08 23:10:56,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:10:56,396 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:10:56,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:10:56,457 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:10:56,459 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:10:58,347 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:10:58,352 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (29)] Forceful destruction successful, exit code 0 [2024-11-08 23:10:58,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:10:58,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:10:58,358 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:10:58,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:10:58,359 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:10:58,359 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:10:58,360 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:10:58,363 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:10:58,365 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2024-11-08 23:10:58,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:10:58,853 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:10:58,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:10:58,919 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:10:58,922 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:11:00,980 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:11:00,985 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (30)] Ended with exit code 0 [2024-11-08 23:11:00,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:11:00,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:11:00,992 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:11:00,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:11:00,992 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:11:00,993 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:11:00,993 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:11:00,996 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:11:00,999 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2024-11-08 23:11:01,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:11:01,497 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:11:01,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:11:01,557 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:11:01,559 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:11:03,602 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:11:03,608 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (31)] Ended with exit code 0 [2024-11-08 23:11:03,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:11:03,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:11:03,612 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:11:03,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:11:03,612 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:11:03,613 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:11:03,613 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:11:03,615 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:11:03,616 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2024-11-08 23:11:04,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:11:04,090 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:11:04,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:11:04,145 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:11:04,147 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:11:06,006 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:11:06,013 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (32)] Forceful destruction successful, exit code 0 [2024-11-08 23:11:06,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:11:06,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:11:06,020 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:11:06,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:11:06,020 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:11:06,022 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:11:06,022 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:11:06,023 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:11:06,024 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (33)] Waiting until timeout for monitored process [2024-11-08 23:11:06,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:11:06,502 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:11:06,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:11:06,575 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:11:06,577 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:11:08,790 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:11:08,795 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (33)] Ended with exit code 0 [2024-11-08 23:11:08,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:11:08,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:11:08,802 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:11:08,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:11:08,802 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:11:08,802 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:11:08,802 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:11:08,803 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:11:08,805 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2024-11-08 23:11:09,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:11:09,294 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:11:09,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:11:09,340 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:11:09,341 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:11:11,304 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:11:11,309 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (34)] Forceful destruction successful, exit code 0 [2024-11-08 23:11:11,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:11:11,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:11:11,314 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:11:11,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:11:11,315 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:11:11,315 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:11:11,315 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:11:11,316 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:11:11,317 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (35)] Waiting until timeout for monitored process [2024-11-08 23:11:11,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:11:11,799 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:11:11,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:11:11,866 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:11:11,868 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:11:13,864 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:11:13,869 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (35)] Forceful destruction successful, exit code 0 [2024-11-08 23:11:13,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:11:13,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:11:13,876 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:11:13,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:11:13,877 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:11:13,877 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:11:13,877 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:11:13,880 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:11:13,885 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (36)] Waiting until timeout for monitored process [2024-11-08 23:11:14,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:11:14,351 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:11:14,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:11:14,396 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:11:14,397 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:11:16,289 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:11:16,294 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (36)] Ended with exit code 0 [2024-11-08 23:11:16,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:11:16,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:11:16,299 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:11:16,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:11:16,299 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:11:16,300 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:11:16,300 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:11:16,301 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:11:16,302 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (37)] Waiting until timeout for monitored process [2024-11-08 23:11:16,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:11:16,772 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:11:16,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:11:16,816 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-08 23:11:16,817 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:11:18,884 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:11:18,889 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (37)] Forceful destruction successful, exit code 0 [2024-11-08 23:11:18,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:11:18,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:11:18,894 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:11:18,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:11:18,895 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:11:18,895 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:11:18,895 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:11:18,898 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:11:18,899 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (38)] Waiting until timeout for monitored process [2024-11-08 23:11:19,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:11:19,377 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:11:19,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:11:19,422 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-08 23:11:19,424 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:11:21,678 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:11:21,683 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (38)] Forceful destruction successful, exit code 0 [2024-11-08 23:11:21,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:11:21,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:11:21,689 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:11:21,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:11:21,690 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:11:21,690 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:11:21,690 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:11:21,692 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:11:21,693 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (39)] Waiting until timeout for monitored process [2024-11-08 23:11:22,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:11:22,163 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:11:22,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:11:22,247 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:11:22,249 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:11:24,510 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:11:24,518 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (39)] Ended with exit code 0 [2024-11-08 23:11:24,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:11:24,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:11:24,531 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:11:24,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:11:24,531 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:11:24,532 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:11:24,532 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:11:24,533 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:11:24,535 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (40)] Waiting until timeout for monitored process [2024-11-08 23:11:25,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:11:25,009 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:11:25,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:11:25,074 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:11:25,075 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:11:26,972 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:11:26,977 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (40)] Forceful destruction successful, exit code 0 [2024-11-08 23:11:26,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:11:26,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:11:26,982 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:11:26,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:11:26,982 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:11:26,982 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:11:26,982 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:11:26,983 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:11:26,986 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (41)] Waiting until timeout for monitored process [2024-11-08 23:11:27,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:11:27,472 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:11:27,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:11:27,535 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:11:27,537 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:11:29,477 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:11:29,482 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (41)] Forceful destruction successful, exit code 0 [2024-11-08 23:11:29,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:11:29,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:11:29,489 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:11:29,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:11:29,489 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:11:29,489 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:11:29,490 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:11:29,491 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:11:29,492 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (42)] Waiting until timeout for monitored process [2024-11-08 23:11:29,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:11:29,965 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:11:30,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:11:30,013 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-08 23:11:30,015 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:11:32,039 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:11:32,043 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (42)] Forceful destruction successful, exit code 0 [2024-11-08 23:11:32,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:11:32,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:11:32,049 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:11:32,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:11:32,050 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:11:32,050 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:11:32,050 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:11:32,051 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:11:32,053 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (43)] Waiting until timeout for monitored process [2024-11-08 23:11:32,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:11:32,586 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:11:32,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:11:32,646 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:11:32,647 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:11:34,765 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:11:34,770 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (43)] Forceful destruction successful, exit code 0 [2024-11-08 23:11:34,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:11:34,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:11:34,776 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:11:34,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:11:34,776 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:11:34,777 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:11:34,777 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:11:34,778 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:11:34,780 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (44)] Waiting until timeout for monitored process [2024-11-08 23:11:35,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:11:35,252 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:11:35,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:11:35,298 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:11:35,299 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:11:37,344 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:11:37,349 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (44)] Forceful destruction successful, exit code 0 [2024-11-08 23:11:37,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:11:37,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:11:37,355 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:11:37,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:11:37,356 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:11:37,356 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:11:37,356 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:11:37,357 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:11:37,360 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (45)] Waiting until timeout for monitored process [2024-11-08 23:11:37,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:11:37,835 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:11:37,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:11:37,908 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:11:37,910 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:11:39,946 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:11:39,951 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (45)] Ended with exit code 0 [2024-11-08 23:11:39,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:11:39,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:11:39,958 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:11:39,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:11:39,959 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:11:39,959 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:11:39,959 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:11:39,962 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:11:39,964 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (46)] Waiting until timeout for monitored process [2024-11-08 23:11:40,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:11:40,494 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:11:40,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:11:40,555 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:11:40,557 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:11:42,571 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:11:42,578 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (46)] Ended with exit code 0 [2024-11-08 23:11:42,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:11:42,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:11:42,587 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:11:42,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:11:42,588 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:11:42,588 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:11:42,588 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:11:42,593 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:11:42,600 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (47)] Waiting until timeout for monitored process [2024-11-08 23:11:43,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:11:43,134 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:11:43,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:11:43,196 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:11:43,198 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:11:44,991 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:11:44,996 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (47)] Forceful destruction successful, exit code 0 [2024-11-08 23:11:44,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:11:44,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:11:44,999 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:11:45,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:11:45,000 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:11:45,000 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:11:45,000 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:11:45,002 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:11:45,004 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (48)] Waiting until timeout for monitored process [2024-11-08 23:11:45,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:11:45,473 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:11:45,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:11:45,541 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-08 23:11:45,542 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:11:47,597 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:11:47,602 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (48)] Forceful destruction successful, exit code 0 [2024-11-08 23:11:47,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:11:47,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:11:47,607 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:11:47,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:11:47,608 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:11:47,608 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:11:47,608 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:11:47,611 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:11:47,613 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (49)] Waiting until timeout for monitored process [2024-11-08 23:11:48,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:11:48,086 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:11:48,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:11:48,166 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:11:48,167 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:11:50,177 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:11:50,182 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (49)] Forceful destruction successful, exit code 0 [2024-11-08 23:11:50,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:11:50,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:11:50,189 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:11:50,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:11:50,189 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:11:50,190 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:11:50,190 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:11:50,192 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:11:50,196 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (50)] Waiting until timeout for monitored process [2024-11-08 23:11:50,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:11:50,690 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:11:50,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:11:50,773 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:11:50,775 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:11:52,848 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:11:52,853 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (50)] Forceful destruction successful, exit code 0 [2024-11-08 23:11:52,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:11:52,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:11:52,860 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:11:52,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:11:52,860 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:11:52,860 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:11:52,861 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:11:52,864 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:11:52,865 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (51)] Waiting until timeout for monitored process [2024-11-08 23:11:53,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:11:53,349 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:11:53,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:11:53,433 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:11:53,435 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:11:55,387 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:11:55,394 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (51)] Forceful destruction successful, exit code 0 [2024-11-08 23:11:55,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:11:55,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:11:55,404 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:11:55,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:11:55,405 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:11:55,405 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:11:55,405 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:11:55,408 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:11:55,410 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (52)] Waiting until timeout for monitored process [2024-11-08 23:11:56,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:11:56,043 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:11:56,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:11:56,120 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-08 23:11:56,122 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:11:58,484 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:11:58,490 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (52)] Forceful destruction successful, exit code 0 [2024-11-08 23:11:58,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:11:58,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:11:58,515 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:11:58,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:11:58,515 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:11:58,515 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:11:58,515 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:11:58,520 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:11:58,524 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (53)] Waiting until timeout for monitored process [2024-11-08 23:11:59,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:11:59,145 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:11:59,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:11:59,215 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:11:59,217 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:12:01,380 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:12:01,386 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (53)] Forceful destruction successful, exit code 0 [2024-11-08 23:12:01,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:12:01,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:12:01,391 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:12:01,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:12:01,392 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:12:01,392 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:12:01,392 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:12:01,395 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:12:01,397 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (54)] Waiting until timeout for monitored process [2024-11-08 23:12:01,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:12:01,901 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:12:01,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:12:02,001 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:12:02,003 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:12:04,151 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:12:04,157 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (54)] Forceful destruction successful, exit code 0 [2024-11-08 23:12:04,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:12:04,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:12:04,163 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:12:04,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:12:04,164 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:12:04,164 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:12:04,164 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:12:04,167 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:12:04,169 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (55)] Waiting until timeout for monitored process [2024-11-08 23:12:04,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:12:04,703 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:12:04,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:12:04,771 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:12:04,773 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:12:06,631 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:12:06,640 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (55)] Forceful destruction successful, exit code 0 [2024-11-08 23:12:06,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:12:06,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:12:06,647 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:12:06,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:12:06,647 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:12:06,648 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:12:06,648 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:12:06,651 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:12:06,652 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (56)] Waiting until timeout for monitored process [2024-11-08 23:12:07,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:12:07,149 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:12:07,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:12:07,198 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:12:07,199 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:12:09,178 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:12:09,185 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (56)] Ended with exit code 0 [2024-11-08 23:12:09,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:12:09,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:12:09,192 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:12:09,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:12:09,193 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:12:09,193 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:12:09,193 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:12:09,196 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:12:09,198 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (57)] Waiting until timeout for monitored process [2024-11-08 23:12:09,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:12:09,706 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:12:09,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:12:09,754 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:12:09,756 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:12:11,906 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:12:11,913 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (57)] Ended with exit code 0 [2024-11-08 23:12:11,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:12:11,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:12:11,918 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:12:11,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:12:11,918 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:12:11,918 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:12:11,919 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:12:11,920 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:12:11,921 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (58)] Waiting until timeout for monitored process [2024-11-08 23:12:12,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:12:12,424 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:12:12,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:12:12,468 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:12:12,470 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:12:14,645 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:12:14,650 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (58)] Forceful destruction successful, exit code 0 [2024-11-08 23:12:14,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:12:14,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:12:14,656 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:12:14,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:12:14,657 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:12:14,657 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:12:14,657 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:12:14,658 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:12:14,660 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (59)] Waiting until timeout for monitored process [2024-11-08 23:12:15,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:12:15,161 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:12:15,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:12:15,233 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:12:15,235 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:12:17,199 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:12:17,204 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (59)] Forceful destruction successful, exit code 0 [2024-11-08 23:12:17,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:12:17,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:12:17,209 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:12:17,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:12:17,210 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:12:17,210 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:12:17,210 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:12:17,211 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:12:17,212 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (60)] Waiting until timeout for monitored process [2024-11-08 23:12:17,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:12:17,784 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:12:17,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:12:17,856 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:12:17,858 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:12:20,212 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:12:20,218 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (60)] Forceful destruction successful, exit code 0 [2024-11-08 23:12:20,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:12:20,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:12:20,222 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:12:20,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:12:20,223 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:12:20,223 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:12:20,223 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:12:20,224 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:12:20,226 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (61)] Waiting until timeout for monitored process [2024-11-08 23:12:20,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:12:20,721 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:12:20,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:12:20,768 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:12:20,770 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:12:23,037 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:12:23,045 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (61)] Ended with exit code 0 [2024-11-08 23:12:23,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:12:23,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:12:23,051 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:12:23,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:12:23,051 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:12:23,051 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:12:23,051 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:12:23,056 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:12:23,057 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (62)] Waiting until timeout for monitored process [2024-11-08 23:12:23,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:12:23,591 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:12:23,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:12:23,640 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:12:23,642 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:12:25,604 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:12:25,610 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (62)] Forceful destruction successful, exit code 0 [2024-11-08 23:12:25,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:12:25,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:12:25,617 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:12:25,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:12:25,617 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:12:25,618 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:12:25,618 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:12:25,621 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:12:25,623 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (63)] Waiting until timeout for monitored process [2024-11-08 23:12:26,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:12:26,099 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:12:26,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:12:26,180 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:12:26,182 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:12:28,285 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:12:28,291 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (63)] Forceful destruction successful, exit code 0 [2024-11-08 23:12:28,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:12:28,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:12:28,298 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:12:28,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:12:28,298 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:12:28,299 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:12:28,299 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:12:28,302 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:12:28,303 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (64)] Waiting until timeout for monitored process [2024-11-08 23:12:28,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:12:28,818 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:12:28,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:12:28,889 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:12:28,890 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:12:30,843 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:12:30,848 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (64)] Forceful destruction successful, exit code 0 [2024-11-08 23:12:30,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:12:30,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:12:30,853 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:12:30,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:12:30,853 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:12:30,853 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:12:30,854 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:12:30,857 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:12:30,858 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (65)] Waiting until timeout for monitored process [2024-11-08 23:12:31,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:12:31,373 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:12:31,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:12:31,423 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-08 23:12:31,424 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:12:33,945 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:12:33,950 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (65)] Forceful destruction successful, exit code 0 [2024-11-08 23:12:33,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:12:33,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:12:33,956 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:12:33,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:12:33,956 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:12:33,957 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:12:33,957 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:12:33,958 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:12:33,959 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (66)] Waiting until timeout for monitored process [2024-11-08 23:12:34,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:12:34,458 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:12:34,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:12:34,506 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-08 23:12:34,508 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:12:36,671 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:12:36,676 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (66)] Forceful destruction successful, exit code 0 [2024-11-08 23:12:36,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:12:36,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:12:36,682 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:12:36,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:12:36,682 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:12:36,682 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:12:36,683 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:12:36,684 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:12:36,685 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (67)] Waiting until timeout for monitored process [2024-11-08 23:12:37,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:12:37,179 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:12:37,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:12:37,280 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:12:37,282 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:12:39,394 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:12:39,399 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (67)] Forceful destruction successful, exit code 0 [2024-11-08 23:12:39,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:12:39,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:12:39,405 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:12:39,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:12:39,405 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:12:39,406 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:12:39,406 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:12:39,407 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:12:39,409 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (68)] Waiting until timeout for monitored process [2024-11-08 23:12:39,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:12:39,892 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:12:39,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:12:39,955 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:12:39,957 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:12:41,970 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:12:41,975 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (68)] Ended with exit code 0 [2024-11-08 23:12:41,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:12:41,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:12:41,979 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:12:41,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:12:41,980 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:12:41,980 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:12:41,980 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:12:41,981 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:12:41,983 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (69)] Waiting until timeout for monitored process [2024-11-08 23:12:42,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:12:42,449 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:12:42,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:12:42,510 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:12:42,512 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:12:44,704 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:12:44,709 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (69)] Forceful destruction successful, exit code 0 [2024-11-08 23:12:44,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:12:44,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:12:44,714 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:12:44,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:12:44,714 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:12:44,714 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:12:44,714 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:12:44,715 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:12:44,716 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (70)] Waiting until timeout for monitored process [2024-11-08 23:12:45,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:12:45,250 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:12:45,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:12:45,346 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:12:45,348 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:12:47,502 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:12:47,507 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (70)] Ended with exit code 0 [2024-11-08 23:12:47,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:12:47,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:12:47,514 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:12:47,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:12:47,515 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:12:47,515 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:12:47,515 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:12:47,516 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:12:47,518 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (71)] Waiting until timeout for monitored process [2024-11-08 23:12:48,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:12:48,013 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:12:48,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:12:48,058 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:12:48,059 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:12:50,375 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:12:50,380 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (71)] Forceful destruction successful, exit code 0 [2024-11-08 23:12:50,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:12:50,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:12:50,385 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:12:50,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:12:50,386 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:12:50,386 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:12:50,386 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:12:50,387 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:12:50,389 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (72)] Waiting until timeout for monitored process [2024-11-08 23:12:50,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:12:50,888 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:12:50,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:12:50,957 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:12:50,958 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:12:52,888 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:12:52,893 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (72)] Forceful destruction successful, exit code 0 [2024-11-08 23:12:52,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:12:52,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:12:52,899 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:12:52,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:12:52,900 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:12:52,900 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:12:52,900 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:12:52,902 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:12:52,903 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (73)] Waiting until timeout for monitored process [2024-11-08 23:12:53,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:12:53,423 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:12:53,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:12:53,504 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-08 23:12:53,505 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:12:55,789 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:12:55,793 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (73)] Ended with exit code 0 [2024-11-08 23:12:55,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:12:55,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:12:55,800 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:12:55,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:12:55,801 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:12:55,801 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:12:55,801 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:12:55,802 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:12:55,803 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (74)] Waiting until timeout for monitored process [2024-11-08 23:12:56,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:12:56,302 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:12:56,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:12:56,359 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:12:56,361 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:12:58,382 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:12:58,387 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (74)] Ended with exit code 0 [2024-11-08 23:12:58,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:12:58,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:12:58,394 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:12:58,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:12:58,394 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:12:58,395 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:12:58,395 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:12:58,396 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:12:58,398 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (75)] Waiting until timeout for monitored process [2024-11-08 23:12:58,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:12:58,896 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:12:58,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:12:58,967 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:12:58,968 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:13:00,987 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:13:00,992 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (75)] Ended with exit code 0 [2024-11-08 23:13:00,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:13:00,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:13:00,997 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:13:00,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:13:00,997 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:13:00,997 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:13:00,997 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:13:00,999 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:13:01,005 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (76)] Waiting until timeout for monitored process [2024-11-08 23:13:01,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:13:01,492 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:13:01,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:13:01,542 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:13:01,543 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:13:03,757 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:13:03,762 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (76)] Forceful destruction successful, exit code 0 [2024-11-08 23:13:03,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:13:03,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:13:03,768 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:13:03,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:13:03,769 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:13:03,769 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:13:03,769 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:13:03,770 INFO L229 MonitoredProcess]: Starting monitored process 77 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:13:03,772 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (77)] Waiting until timeout for monitored process [2024-11-08 23:13:04,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:13:04,242 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:13:04,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:13:04,301 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:13:04,302 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:13:06,108 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:13:06,112 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (77)] Forceful destruction successful, exit code 0 [2024-11-08 23:13:06,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:13:06,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:13:06,117 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:13:06,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:13:06,117 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:13:06,117 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:13:06,117 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:13:06,118 INFO L229 MonitoredProcess]: Starting monitored process 78 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:13:06,121 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (78)] Waiting until timeout for monitored process [2024-11-08 23:13:06,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:13:06,590 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:13:06,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:13:06,660 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:13:06,661 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:13:08,630 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:13:08,635 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (78)] Forceful destruction successful, exit code 0 [2024-11-08 23:13:08,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:13:08,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:13:08,640 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:13:08,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:13:08,640 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:13:08,640 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:13:08,641 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:13:08,642 INFO L229 MonitoredProcess]: Starting monitored process 79 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:13:08,643 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (79)] Waiting until timeout for monitored process [2024-11-08 23:13:09,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:13:09,114 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:13:09,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:13:09,172 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:13:09,173 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:13:11,110 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:13:11,115 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (79)] Forceful destruction successful, exit code 0 [2024-11-08 23:13:11,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:13:11,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:13:11,120 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:13:11,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:13:11,120 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:13:11,120 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:13:11,120 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:13:11,123 INFO L229 MonitoredProcess]: Starting monitored process 80 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:13:11,125 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (80)] Waiting until timeout for monitored process [2024-11-08 23:13:11,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:13:11,592 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:13:11,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:13:11,663 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:13:11,664 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:13:13,685 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:13:13,690 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (80)] Ended with exit code 0 [2024-11-08 23:13:13,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:13:13,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:13:13,695 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:13:13,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:13:13,696 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:13:13,696 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:13:13,696 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:13:13,699 INFO L229 MonitoredProcess]: Starting monitored process 81 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:13:13,701 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (81)] Waiting until timeout for monitored process [2024-11-08 23:13:14,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:13:14,173 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:13:14,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:13:14,238 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:13:14,240 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:13:16,050 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:13:16,055 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (81)] Forceful destruction successful, exit code 0 [2024-11-08 23:13:16,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:13:16,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:13:16,062 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:13:16,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:13:16,062 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:13:16,062 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:13:16,063 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:13:16,064 INFO L229 MonitoredProcess]: Starting monitored process 82 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:13:16,065 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (82)] Waiting until timeout for monitored process [2024-11-08 23:13:16,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:13:16,532 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:13:16,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:13:16,621 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:13:16,622 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:13:18,707 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:13:18,712 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (82)] Ended with exit code 0 [2024-11-08 23:13:18,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:13:18,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:13:18,718 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:13:18,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:13:18,718 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:13:18,718 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:13:18,719 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:13:18,720 INFO L229 MonitoredProcess]: Starting monitored process 83 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:13:18,721 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (83)] Waiting until timeout for monitored process [2024-11-08 23:13:19,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:13:19,199 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:13:19,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:13:19,272 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:13:19,274 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:13:21,075 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:13:21,080 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (83)] Ended with exit code 0 [2024-11-08 23:13:21,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:13:21,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:13:21,086 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:13:21,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:13:21,086 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:13:21,086 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:13:21,086 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:13:21,087 INFO L229 MonitoredProcess]: Starting monitored process 84 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:13:21,089 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (84)] Waiting until timeout for monitored process [2024-11-08 23:13:21,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:13:21,573 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:13:21,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:13:21,634 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:13:21,635 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:13:23,637 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:13:23,642 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (84)] Ended with exit code 0 [2024-11-08 23:13:23,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:13:23,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:13:23,646 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:13:23,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:13:23,646 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:13:23,646 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:13:23,646 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:13:23,647 INFO L229 MonitoredProcess]: Starting monitored process 85 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:13:23,649 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (85)] Waiting until timeout for monitored process [2024-11-08 23:13:24,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:13:24,124 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:13:24,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:13:24,193 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:13:24,195 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:13:26,076 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:13:26,080 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (85)] Ended with exit code 0 [2024-11-08 23:13:26,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:13:26,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:13:26,087 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:13:26,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:13:26,087 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:13:26,087 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:13:26,088 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:13:26,091 INFO L229 MonitoredProcess]: Starting monitored process 86 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:13:26,095 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (86)] Waiting until timeout for monitored process [2024-11-08 23:13:26,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:13:26,571 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:13:26,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:13:26,647 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:13:26,648 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:13:28,591 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:13:28,596 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (86)] Ended with exit code 0 [2024-11-08 23:13:28,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:13:28,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:13:28,602 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:13:28,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:13:28,603 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:13:28,603 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:13:28,603 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:13:28,604 INFO L229 MonitoredProcess]: Starting monitored process 87 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:13:28,606 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (87)] Waiting until timeout for monitored process [2024-11-08 23:13:29,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:13:29,075 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:13:29,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:13:29,154 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:13:29,155 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:13:31,150 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:13:31,157 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (87)] Forceful destruction successful, exit code 0 [2024-11-08 23:13:31,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:13:31,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:13:31,163 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:13:31,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:13:31,164 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:13:31,164 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:13:31,164 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:13:31,167 INFO L229 MonitoredProcess]: Starting monitored process 88 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:13:31,168 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (88)] Waiting until timeout for monitored process [2024-11-08 23:13:31,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:13:31,851 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:13:31,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:13:31,934 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:13:31,935 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:13:33,783 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:13:33,789 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (88)] Forceful destruction successful, exit code 0 [2024-11-08 23:13:33,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:13:33,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:13:33,794 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:13:33,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:13:33,794 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:13:33,794 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:13:33,794 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:13:33,795 INFO L229 MonitoredProcess]: Starting monitored process 89 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:13:33,797 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (89)] Waiting until timeout for monitored process [2024-11-08 23:13:34,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:13:34,267 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:13:34,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:13:34,332 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:13:34,333 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:13:36,279 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:13:36,284 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (89)] Forceful destruction successful, exit code 0 [2024-11-08 23:13:36,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:13:36,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:13:36,288 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:13:36,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:13:36,289 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:13:36,289 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:13:36,289 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:13:36,290 INFO L229 MonitoredProcess]: Starting monitored process 90 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:13:36,292 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (90)] Waiting until timeout for monitored process [2024-11-08 23:13:36,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:13:36,764 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:13:36,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:13:36,810 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-08 23:13:36,811 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:13:38,920 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:13:38,925 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (90)] Forceful destruction successful, exit code 0 [2024-11-08 23:13:38,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:13:38,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:13:38,929 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:13:38,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:13:38,930 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:13:38,930 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:13:38,930 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:13:38,931 INFO L229 MonitoredProcess]: Starting monitored process 91 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:13:38,932 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (91)] Waiting until timeout for monitored process [2024-11-08 23:13:39,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:13:39,403 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:13:39,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:13:39,474 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:13:39,476 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:13:41,430 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:13:41,435 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (91)] Forceful destruction successful, exit code 0 [2024-11-08 23:13:41,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:13:41,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:13:41,441 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:13:41,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:13:41,441 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:13:41,442 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:13:41,442 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:13:41,445 INFO L229 MonitoredProcess]: Starting monitored process 92 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:13:41,446 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (92)] Waiting until timeout for monitored process [2024-11-08 23:13:41,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:13:41,922 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:13:41,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:13:41,968 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-08 23:13:41,970 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:13:43,960 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:13:43,966 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (92)] Forceful destruction successful, exit code 0 [2024-11-08 23:13:43,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:13:43,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:13:43,972 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:13:43,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:13:43,973 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:13:43,973 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:13:43,973 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:13:43,974 INFO L229 MonitoredProcess]: Starting monitored process 93 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:13:43,975 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (93)] Waiting until timeout for monitored process [2024-11-08 23:13:44,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:13:44,443 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:13:44,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:13:44,510 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:13:44,511 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:13:46,437 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:13:46,442 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (93)] Forceful destruction successful, exit code 0 [2024-11-08 23:13:46,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:13:46,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:13:46,448 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:13:46,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:13:46,448 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:13:46,449 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:13:46,449 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:13:46,452 INFO L229 MonitoredProcess]: Starting monitored process 94 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:13:46,456 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (94)] Waiting until timeout for monitored process [2024-11-08 23:13:46,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:13:46,932 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:13:46,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:13:46,978 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:13:46,979 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:13:48,881 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:13:48,885 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (94)] Forceful destruction successful, exit code 0 [2024-11-08 23:13:48,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:13:48,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:13:48,892 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:13:48,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:13:48,892 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:13:48,892 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:13:48,892 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:13:48,893 INFO L229 MonitoredProcess]: Starting monitored process 95 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:13:48,895 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (95)] Waiting until timeout for monitored process [2024-11-08 23:13:49,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:13:49,366 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:13:49,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:13:49,419 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:13:49,420 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:13:51,224 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:13:51,229 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (95)] Forceful destruction successful, exit code 0 [2024-11-08 23:13:51,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:13:51,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:13:51,234 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:13:51,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:13:51,234 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:13:51,234 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:13:51,234 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:13:51,235 INFO L229 MonitoredProcess]: Starting monitored process 96 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:13:51,237 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (96)] Waiting until timeout for monitored process [2024-11-08 23:13:51,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:13:51,702 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:13:51,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:13:51,758 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:13:51,759 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:13:53,919 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:13:53,924 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (96)] Ended with exit code 0 [2024-11-08 23:13:53,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:13:53,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:13:53,929 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:13:53,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:13:53,930 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:13:53,930 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:13:53,930 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:13:53,933 INFO L229 MonitoredProcess]: Starting monitored process 97 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:13:53,936 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (97)] Waiting until timeout for monitored process [2024-11-08 23:13:54,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:13:54,405 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:13:54,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:13:54,477 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:13:54,478 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:13:56,356 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:13:56,360 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (97)] Forceful destruction successful, exit code 0 [2024-11-08 23:13:56,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:13:56,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:13:56,364 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:13:56,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:13:56,365 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:13:56,365 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:13:56,365 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:13:56,366 INFO L229 MonitoredProcess]: Starting monitored process 98 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:13:56,367 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (98)] Waiting until timeout for monitored process [2024-11-08 23:13:56,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:13:56,837 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:13:56,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:13:56,900 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:13:56,901 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:13:58,839 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:13:58,844 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (98)] Ended with exit code 0 [2024-11-08 23:13:58,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:13:58,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:13:58,849 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:13:58,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:13:58,850 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:13:58,850 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:13:58,850 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:13:58,853 INFO L229 MonitoredProcess]: Starting monitored process 99 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:13:58,854 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (99)] Waiting until timeout for monitored process [2024-11-08 23:13:59,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:13:59,335 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:13:59,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:13:59,396 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:13:59,398 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:14:01,267 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:14:01,272 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (99)] Ended with exit code 0 [2024-11-08 23:14:01,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:14:01,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:14:01,275 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:14:01,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:14:01,276 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:14:01,276 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:14:01,276 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:14:01,279 INFO L229 MonitoredProcess]: Starting monitored process 100 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:14:01,282 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (100)] Waiting until timeout for monitored process [2024-11-08 23:14:01,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:14:01,755 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:14:01,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:14:01,820 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:14:01,821 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:14:03,639 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:14:03,643 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (100)] Ended with exit code 0 [2024-11-08 23:14:03,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:14:03,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:14:03,647 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:14:03,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:14:03,648 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:14:03,648 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:14:03,648 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:14:03,653 INFO L229 MonitoredProcess]: Starting monitored process 101 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:14:03,655 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (101)] Waiting until timeout for monitored process [2024-11-08 23:14:04,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:14:04,150 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:14:04,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:14:04,190 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:14:04,191 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:14:06,170 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:14:06,174 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (101)] Forceful destruction successful, exit code 0 [2024-11-08 23:14:06,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:14:06,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:14:06,179 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:14:06,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:14:06,180 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:14:06,180 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:14:06,180 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:14:06,183 INFO L229 MonitoredProcess]: Starting monitored process 102 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:14:06,188 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (102)] Waiting until timeout for monitored process [2024-11-08 23:14:06,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:14:06,611 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:14:06,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:14:06,667 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:14:06,668 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:14:08,417 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:14:08,423 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (102)] Ended with exit code 0 [2024-11-08 23:14:08,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:14:08,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:14:08,428 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:14:08,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:14:08,428 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:14:08,428 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:14:08,428 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:14:08,431 INFO L229 MonitoredProcess]: Starting monitored process 103 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:14:08,432 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (103)] Waiting until timeout for monitored process [2024-11-08 23:14:08,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:14:08,851 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:14:08,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:14:08,908 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:14:08,909 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:14:10,411 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:14:10,415 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (103)] Forceful destruction successful, exit code 0 [2024-11-08 23:14:10,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:14:10,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:14:10,418 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:14:10,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:14:10,418 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:14:10,421 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:14:10,421 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:14:10,422 INFO L229 MonitoredProcess]: Starting monitored process 104 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:14:10,425 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (104)] Waiting until timeout for monitored process [2024-11-08 23:14:11,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:14:11,002 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:14:11,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:14:11,065 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:14:11,066 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:14:12,918 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:14:12,922 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (104)] Forceful destruction successful, exit code 0 [2024-11-08 23:14:12,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:14:12,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:14:12,926 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:14:12,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:14:12,927 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:14:12,927 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:14:12,927 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:14:12,928 INFO L229 MonitoredProcess]: Starting monitored process 105 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:14:12,929 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (105)] Waiting until timeout for monitored process [2024-11-08 23:14:13,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:14:13,362 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:14:13,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:14:13,415 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:14:13,416 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:14:15,306 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:14:15,315 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (105)] Forceful destruction successful, exit code 0 [2024-11-08 23:14:15,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:14:15,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:14:15,321 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:14:15,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:14:15,324 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:14:15,324 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:14:15,324 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:14:15,326 INFO L229 MonitoredProcess]: Starting monitored process 106 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:14:15,327 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (106)] Waiting until timeout for monitored process [2024-11-08 23:14:15,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:14:15,746 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:14:15,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:14:15,783 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:14:15,784 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:14:17,616 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:14:17,620 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (106)] Forceful destruction successful, exit code 0 [2024-11-08 23:14:17,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:14:17,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:14:17,624 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:14:17,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:14:17,624 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:14:17,624 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:14:17,624 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:14:17,627 INFO L229 MonitoredProcess]: Starting monitored process 107 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:14:17,628 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (107)] Waiting until timeout for monitored process [2024-11-08 23:14:18,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:14:18,062 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:14:18,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:14:18,103 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-08 23:14:18,104 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:14:20,021 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:14:20,025 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (107)] Forceful destruction successful, exit code 0 [2024-11-08 23:14:20,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:14:20,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:14:20,029 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:14:20,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:14:20,030 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:14:20,030 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:14:20,030 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:14:20,032 INFO L229 MonitoredProcess]: Starting monitored process 108 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:14:20,033 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (108)] Waiting until timeout for monitored process [2024-11-08 23:14:20,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:14:20,424 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:14:20,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:14:20,461 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:14:20,462 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:14:22,062 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:14:22,068 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (108)] Forceful destruction successful, exit code 0 [2024-11-08 23:14:22,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:14:22,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:14:22,073 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:14:22,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:14:22,073 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:14:22,073 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:14:22,073 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:14:22,075 INFO L229 MonitoredProcess]: Starting monitored process 109 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:14:22,078 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (109)] Waiting until timeout for monitored process [2024-11-08 23:14:22,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:14:22,508 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:14:22,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:14:22,577 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:14:22,578 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:14:24,468 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:14:24,472 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (109)] Ended with exit code 0 [2024-11-08 23:14:24,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:14:24,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:14:24,477 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:14:24,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:14:24,477 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:14:24,478 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:14:24,478 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:14:24,479 INFO L229 MonitoredProcess]: Starting monitored process 110 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:14:24,480 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (110)] Waiting until timeout for monitored process [2024-11-08 23:14:24,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:14:24,879 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:14:24,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:14:24,931 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:14:24,932 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:14:27,085 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:14:27,089 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (110)] Forceful destruction successful, exit code 0 [2024-11-08 23:14:27,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:14:27,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:14:27,092 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:14:27,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:14:27,092 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:14:27,093 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:14:27,093 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:14:27,095 INFO L229 MonitoredProcess]: Starting monitored process 111 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:14:27,098 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (111)] Waiting until timeout for monitored process [2024-11-08 23:14:27,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:14:27,537 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:14:27,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:14:27,584 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:14:27,585 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:14:29,187 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:14:29,191 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (111)] Forceful destruction successful, exit code 0 [2024-11-08 23:14:29,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:14:29,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:14:29,194 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:14:29,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:14:29,195 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:14:29,195 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:14:29,195 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:14:29,196 INFO L229 MonitoredProcess]: Starting monitored process 112 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:14:29,198 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (112)] Waiting until timeout for monitored process [2024-11-08 23:14:29,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:14:29,622 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:14:29,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:14:29,677 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:14:29,679 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:14:31,332 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:14:31,336 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (112)] Ended with exit code 0 [2024-11-08 23:14:31,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:14:31,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:14:31,341 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:14:31,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:14:31,341 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:14:31,341 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:14:31,342 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:14:31,344 INFO L229 MonitoredProcess]: Starting monitored process 113 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:14:31,345 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (113)] Waiting until timeout for monitored process [2024-11-08 23:14:31,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:14:31,731 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:14:31,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:14:31,779 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:14:31,780 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:14:33,576 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:14:33,580 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (113)] Forceful destruction successful, exit code 0 [2024-11-08 23:14:33,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:14:33,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:14:33,584 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:14:33,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:14:33,584 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:14:33,585 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:14:33,585 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:14:33,585 INFO L229 MonitoredProcess]: Starting monitored process 114 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:14:33,588 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (114)] Waiting until timeout for monitored process [2024-11-08 23:14:34,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:14:34,113 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:14:34,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:14:34,184 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:14:34,185 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:14:36,109 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:14:36,113 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (114)] Ended with exit code 0 [2024-11-08 23:14:36,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:14:36,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:14:36,118 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:14:36,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:14:36,118 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:14:36,118 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:14:36,118 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:14:36,119 INFO L229 MonitoredProcess]: Starting monitored process 115 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:14:36,120 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (115)] Waiting until timeout for monitored process [2024-11-08 23:14:36,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:14:36,538 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:14:36,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:14:36,592 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:14:36,593 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:14:38,359 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:14:38,364 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (115)] Ended with exit code 0 [2024-11-08 23:14:38,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:14:38,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:14:38,367 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:14:38,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:14:38,368 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:14:38,368 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:14:38,368 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:14:38,369 INFO L229 MonitoredProcess]: Starting monitored process 116 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:14:38,370 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (116)] Waiting until timeout for monitored process [2024-11-08 23:14:38,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:14:38,786 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:14:38,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:14:38,824 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:14:38,825 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:14:40,417 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:14:40,421 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (116)] Forceful destruction successful, exit code 0 [2024-11-08 23:14:40,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:14:40,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:14:40,424 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:14:40,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:14:40,425 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:14:40,425 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:14:40,425 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:14:40,426 INFO L229 MonitoredProcess]: Starting monitored process 117 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:14:40,427 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (117)] Waiting until timeout for monitored process [2024-11-08 23:14:40,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:14:40,843 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:14:40,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:14:40,883 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:14:40,884 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:14:42,659 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:14:42,665 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (117)] Ended with exit code 0 [2024-11-08 23:14:42,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:14:42,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:14:42,670 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:14:42,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:14:42,670 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:14:42,670 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:14:42,671 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:14:42,672 INFO L229 MonitoredProcess]: Starting monitored process 118 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:14:42,674 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (118)] Waiting until timeout for monitored process [2024-11-08 23:14:43,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:14:43,110 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:14:43,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:14:43,164 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:14:43,166 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:14:44,781 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:14:44,785 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (118)] Forceful destruction successful, exit code 0 [2024-11-08 23:14:44,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:14:44,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:14:44,790 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:14:44,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:14:44,790 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:14:44,790 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:14:44,790 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:14:44,791 INFO L229 MonitoredProcess]: Starting monitored process 119 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:14:44,792 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (119)] Waiting until timeout for monitored process [2024-11-08 23:14:45,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:14:45,229 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:14:45,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:14:45,289 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:14:45,290 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:14:47,035 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:14:47,040 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (119)] Forceful destruction successful, exit code 0 [2024-11-08 23:14:47,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:14:47,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:14:47,043 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:14:47,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:14:47,043 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:14:47,043 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:14:47,043 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:14:47,044 INFO L229 MonitoredProcess]: Starting monitored process 120 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:14:47,045 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (120)] Waiting until timeout for monitored process [2024-11-08 23:14:47,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:14:47,432 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:14:47,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:14:47,470 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:14:47,471 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:14:49,132 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:14:49,137 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (120)] Forceful destruction successful, exit code 0 [2024-11-08 23:14:49,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:14:49,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:14:49,141 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:14:49,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:14:49,141 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:14:49,141 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:14:49,141 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:14:49,142 INFO L229 MonitoredProcess]: Starting monitored process 121 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:14:49,143 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (121)] Waiting until timeout for monitored process [2024-11-08 23:14:49,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:14:49,551 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:14:49,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:14:49,598 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:14:49,598 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:14:51,190 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:14:51,194 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (121)] Forceful destruction successful, exit code 0 [2024-11-08 23:14:51,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:14:51,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:14:51,198 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:14:51,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:14:51,198 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:14:51,198 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:14:51,198 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:14:51,200 INFO L229 MonitoredProcess]: Starting monitored process 122 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:14:51,201 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (122)] Waiting until timeout for monitored process [2024-11-08 23:14:51,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:14:51,607 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:14:51,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:14:51,669 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:14:51,670 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:14:53,493 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:14:53,498 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (122)] Forceful destruction successful, exit code 0 [2024-11-08 23:14:53,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:14:53,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:14:53,503 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:14:53,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:14:53,503 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:14:53,503 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:14:53,504 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:14:53,505 INFO L229 MonitoredProcess]: Starting monitored process 123 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:14:53,506 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (123)] Waiting until timeout for monitored process [2024-11-08 23:14:53,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:14:53,949 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:14:53,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:14:54,000 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:14:54,001 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:14:55,987 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:14:55,992 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (123)] Ended with exit code 0 [2024-11-08 23:14:55,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:14:55,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:14:55,995 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:14:55,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:14:55,995 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:14:55,995 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:14:55,996 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:14:55,997 INFO L229 MonitoredProcess]: Starting monitored process 124 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:14:55,998 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (124)] Waiting until timeout for monitored process [2024-11-08 23:14:56,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:14:56,440 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:14:56,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:14:56,516 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:14:56,517 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:14:58,381 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:14:58,387 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (124)] Forceful destruction successful, exit code 0 [2024-11-08 23:14:58,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:14:58,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:14:58,393 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:14:58,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:14:58,396 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:14:58,396 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:14:58,397 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:14:58,399 INFO L229 MonitoredProcess]: Starting monitored process 125 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:14:58,403 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (125)] Waiting until timeout for monitored process [2024-11-08 23:14:58,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:14:58,863 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:14:58,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:14:58,923 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:14:58,924 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:15:00,886 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:15:00,890 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (125)] Forceful destruction successful, exit code 0 [2024-11-08 23:15:00,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:15:00,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:15:00,894 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:15:00,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:15:00,895 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:15:00,895 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:15:00,895 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:15:00,896 INFO L229 MonitoredProcess]: Starting monitored process 126 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:15:00,898 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (126)] Waiting until timeout for monitored process [2024-11-08 23:15:01,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:15:01,395 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:15:01,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:15:01,468 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:15:01,470 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:15:03,563 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:15:03,567 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (126)] Forceful destruction successful, exit code 0 [2024-11-08 23:15:03,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:15:03,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:15:03,577 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:15:03,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:15:03,578 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:15:03,578 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:15:03,578 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:15:03,581 INFO L229 MonitoredProcess]: Starting monitored process 127 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:15:03,584 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (127)] Waiting until timeout for monitored process [2024-11-08 23:15:04,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:15:04,060 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:15:04,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:15:04,100 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:15:04,102 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:15:06,042 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:15:06,046 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (127)] Forceful destruction successful, exit code 0 [2024-11-08 23:15:06,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:15:06,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:15:06,051 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:15:06,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:15:06,051 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:15:06,052 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:15:06,052 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:15:06,053 INFO L229 MonitoredProcess]: Starting monitored process 128 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:15:06,055 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (128)] Waiting until timeout for monitored process [2024-11-08 23:15:06,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:15:06,515 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:15:06,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:15:06,564 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:15:06,565 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:15:08,424 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:15:08,428 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (128)] Ended with exit code 0 [2024-11-08 23:15:08,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:15:08,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:15:08,432 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:15:08,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:15:08,432 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:15:08,433 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:15:08,433 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:15:08,436 INFO L229 MonitoredProcess]: Starting monitored process 129 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:15:08,437 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (129)] Waiting until timeout for monitored process [2024-11-08 23:15:08,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:15:08,887 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:15:08,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:15:08,941 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:15:08,942 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:15:10,778 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:15:10,785 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (129)] Ended with exit code 0 [2024-11-08 23:15:10,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:15:10,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:15:10,793 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:15:10,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:15:10,793 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:15:10,793 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:15:10,794 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:15:10,796 INFO L229 MonitoredProcess]: Starting monitored process 130 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:15:10,797 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (130)] Waiting until timeout for monitored process [2024-11-08 23:15:11,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:15:11,238 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:15:11,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:15:11,277 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:15:11,278 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:15:13,081 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:15:13,085 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (130)] Forceful destruction successful, exit code 0 [2024-11-08 23:15:13,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:15:13,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:15:13,088 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:15:13,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:15:13,089 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:15:13,089 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:15:13,089 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:15:13,090 INFO L229 MonitoredProcess]: Starting monitored process 131 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:15:13,091 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (131)] Waiting until timeout for monitored process [2024-11-08 23:15:13,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:15:13,509 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:15:13,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:15:13,551 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:15:13,551 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:15:15,424 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:15:15,428 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (131)] Ended with exit code 0 [2024-11-08 23:15:15,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:15:15,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:15:15,431 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:15:15,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:15:15,432 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:15:15,432 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:15:15,432 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:15:15,433 INFO L229 MonitoredProcess]: Starting monitored process 132 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:15:15,434 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (132)] Waiting until timeout for monitored process [2024-11-08 23:15:15,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:15:15,856 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:15:15,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:15:15,937 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:15:15,938 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:15:17,770 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:15:17,775 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (132)] Forceful destruction successful, exit code 0 [2024-11-08 23:15:17,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:15:17,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:15:17,778 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:15:17,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:15:17,778 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:15:17,779 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:15:17,779 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:15:17,780 INFO L229 MonitoredProcess]: Starting monitored process 133 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:15:17,781 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (133)] Waiting until timeout for monitored process [2024-11-08 23:15:18,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:15:18,198 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:15:18,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:15:18,239 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-08 23:15:18,240 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:15:20,097 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:15:20,101 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (133)] Forceful destruction successful, exit code 0 [2024-11-08 23:15:20,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:15:20,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:15:20,105 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:15:20,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:15:20,105 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:15:20,105 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:15:20,105 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:15:20,106 INFO L229 MonitoredProcess]: Starting monitored process 134 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:15:20,108 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (134)] Waiting until timeout for monitored process [2024-11-08 23:15:20,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:15:20,519 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:15:20,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:15:20,561 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:15:20,562 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:15:22,379 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:15:22,383 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (134)] Forceful destruction successful, exit code 0 [2024-11-08 23:15:22,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:15:22,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:15:22,387 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:15:22,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:15:22,387 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:15:22,387 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:15:22,387 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:15:22,390 INFO L229 MonitoredProcess]: Starting monitored process 135 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:15:22,392 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (135)] Waiting until timeout for monitored process [2024-11-08 23:15:22,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:15:22,808 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:15:22,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:15:22,870 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:15:22,871 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:15:24,684 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:15:24,688 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (135)] Ended with exit code 0 [2024-11-08 23:15:24,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:15:24,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:15:24,692 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:15:24,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:15:24,692 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:15:24,692 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:15:24,692 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:15:24,695 INFO L229 MonitoredProcess]: Starting monitored process 136 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:15:24,696 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (136)] Waiting until timeout for monitored process [2024-11-08 23:15:25,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:15:25,144 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:15:25,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:15:25,206 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:15:25,207 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:15:27,063 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:15:27,067 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (136)] Forceful destruction successful, exit code 0 [2024-11-08 23:15:27,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:15:27,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:15:27,070 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:15:27,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:15:27,070 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:15:27,070 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:15:27,071 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:15:27,071 INFO L229 MonitoredProcess]: Starting monitored process 137 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:15:27,073 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (137)] Waiting until timeout for monitored process [2024-11-08 23:15:27,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:15:27,491 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:15:27,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:15:27,552 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:15:27,553 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:15:29,327 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:15:29,330 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (137)] Ended with exit code 0 [2024-11-08 23:15:29,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:15:29,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:15:29,335 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:15:29,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:15:29,335 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:15:29,336 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:15:29,336 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:15:29,338 INFO L229 MonitoredProcess]: Starting monitored process 138 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:15:29,339 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (138)] Waiting until timeout for monitored process [2024-11-08 23:15:29,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:15:29,757 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:15:29,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:15:29,813 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:15:29,814 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:15:31,631 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:15:31,635 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (138)] Ended with exit code 0 [2024-11-08 23:15:31,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:15:31,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:15:31,641 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:15:31,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:15:31,641 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:15:31,641 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:15:31,641 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:15:31,642 INFO L229 MonitoredProcess]: Starting monitored process 139 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:15:31,643 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (139)] Waiting until timeout for monitored process [2024-11-08 23:15:32,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:15:32,067 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:15:32,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:15:32,126 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:15:32,127 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:15:33,880 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:15:33,885 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (139)] Ended with exit code 0 [2024-11-08 23:15:33,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:15:33,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:15:33,888 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:15:33,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:15:33,888 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:15:33,889 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:15:33,889 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:15:33,890 INFO L229 MonitoredProcess]: Starting monitored process 140 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:15:33,891 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (140)] Waiting until timeout for monitored process [2024-11-08 23:15:34,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:15:34,303 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:15:34,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:15:34,347 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:15:34,348 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:15:36,105 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:15:36,109 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (140)] Forceful destruction successful, exit code 0 [2024-11-08 23:15:36,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:15:36,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:15:36,115 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:15:36,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:15:36,115 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:15:36,115 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:15:36,115 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:15:36,118 INFO L229 MonitoredProcess]: Starting monitored process 141 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:15:36,120 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (141)] Waiting until timeout for monitored process [2024-11-08 23:15:36,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:15:36,556 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:15:36,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:15:36,625 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:15:36,626 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:15:38,566 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:15:38,570 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (141)] Ended with exit code 0 [2024-11-08 23:15:38,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:15:38,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:15:38,574 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:15:38,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:15:38,574 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:15:38,574 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:15:38,574 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:15:38,575 INFO L229 MonitoredProcess]: Starting monitored process 142 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:15:38,577 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (142)] Waiting until timeout for monitored process [2024-11-08 23:15:38,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:15:38,988 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:15:39,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:15:39,029 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:15:39,029 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:15:40,739 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:15:40,743 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (142)] Forceful destruction successful, exit code 0 [2024-11-08 23:15:40,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:15:40,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:15:40,746 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:15:40,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:15:40,746 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:15:40,746 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:15:40,747 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:15:40,748 INFO L229 MonitoredProcess]: Starting monitored process 143 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:15:40,749 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (143)] Waiting until timeout for monitored process [2024-11-08 23:15:41,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:15:41,162 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:15:41,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:15:41,217 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:15:41,218 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:15:43,141 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:15:43,144 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (143)] Ended with exit code 0 [2024-11-08 23:15:43,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:15:43,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:15:43,148 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:15:43,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:15:43,148 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:15:43,148 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:15:43,148 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:15:43,149 INFO L229 MonitoredProcess]: Starting monitored process 144 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:15:43,151 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (144)] Waiting until timeout for monitored process [2024-11-08 23:15:43,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:15:43,571 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:15:43,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:15:43,625 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:15:43,626 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:15:45,442 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:15:45,446 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (144)] Forceful destruction successful, exit code 0 [2024-11-08 23:15:45,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:15:45,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:15:45,451 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:15:45,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:15:45,452 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:15:45,452 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:15:45,452 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:15:45,453 INFO L229 MonitoredProcess]: Starting monitored process 145 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:15:45,454 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (145)] Waiting until timeout for monitored process [2024-11-08 23:15:45,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:15:45,877 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:15:45,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:15:45,926 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:15:45,927 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:15:47,672 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:15:47,676 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (145)] Forceful destruction successful, exit code 0 [2024-11-08 23:15:47,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:15:47,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:15:47,683 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:15:47,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:15:47,683 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:15:47,683 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:15:47,683 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:15:47,684 INFO L229 MonitoredProcess]: Starting monitored process 146 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:15:47,685 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (146)] Waiting until timeout for monitored process [2024-11-08 23:15:48,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:15:48,107 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:15:48,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:15:48,171 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:15:48,172 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:15:50,084 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:15:50,088 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (146)] Forceful destruction successful, exit code 0 [2024-11-08 23:15:50,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:15:50,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:15:50,092 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:15:50,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:15:50,092 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:15:50,092 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:15:50,092 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:15:50,093 INFO L229 MonitoredProcess]: Starting monitored process 147 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:15:50,097 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (147)] Waiting until timeout for monitored process [2024-11-08 23:15:50,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:15:50,517 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:15:50,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:15:50,574 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:15:50,575 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:15:52,335 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:15:52,339 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (147)] Ended with exit code 0 [2024-11-08 23:15:52,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:15:52,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:15:52,342 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:15:52,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:15:52,343 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:15:52,343 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:15:52,343 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:15:52,344 INFO L229 MonitoredProcess]: Starting monitored process 148 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:15:52,345 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (148)] Waiting until timeout for monitored process [2024-11-08 23:15:52,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:15:52,844 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:15:52,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:15:52,884 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:15:52,885 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:15:54,676 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:15:54,681 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (148)] Forceful destruction successful, exit code 0 [2024-11-08 23:15:54,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:15:54,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:15:54,684 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:15:54,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:15:54,684 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:15:54,685 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:15:54,685 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:15:54,686 INFO L229 MonitoredProcess]: Starting monitored process 149 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:15:54,687 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (149)] Waiting until timeout for monitored process [2024-11-08 23:15:55,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:15:55,104 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:15:55,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:15:55,162 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:15:55,163 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:15:56,901 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:15:56,906 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (149)] Ended with exit code 0 [2024-11-08 23:15:56,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:15:56,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:15:56,910 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:15:56,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:15:56,911 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:15:56,911 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:15:56,911 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:15:56,912 INFO L229 MonitoredProcess]: Starting monitored process 150 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:15:56,913 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (150)] Waiting until timeout for monitored process [2024-11-08 23:15:57,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:15:57,331 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:15:57,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:15:57,377 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:15:57,377 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:15:59,187 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:15:59,191 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (150)] Forceful destruction successful, exit code 0 [2024-11-08 23:15:59,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:15:59,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:15:59,195 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:15:59,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:15:59,195 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:15:59,196 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:15:59,196 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:15:59,198 INFO L229 MonitoredProcess]: Starting monitored process 151 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:15:59,200 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (151)] Waiting until timeout for monitored process [2024-11-08 23:15:59,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:15:59,618 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:15:59,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:15:59,664 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:15:59,666 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:16:01,297 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:16:01,301 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (151)] Ended with exit code 0 [2024-11-08 23:16:01,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:16:01,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:16:01,304 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:16:01,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:16:01,304 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:16:01,305 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:16:01,305 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:16:01,306 INFO L229 MonitoredProcess]: Starting monitored process 152 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:16:01,307 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (152)] Waiting until timeout for monitored process [2024-11-08 23:16:01,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:16:01,717 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:16:01,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:16:01,795 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:16:01,795 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:16:03,678 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:16:03,682 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (152)] Forceful destruction successful, exit code 0 [2024-11-08 23:16:03,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:16:03,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:16:03,685 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:16:03,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:16:03,685 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:16:03,685 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:16:03,685 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:16:03,686 INFO L229 MonitoredProcess]: Starting monitored process 153 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:16:03,687 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (153)] Waiting until timeout for monitored process [2024-11-08 23:16:04,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:16:04,104 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:16:04,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:16:04,150 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:16:04,155 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:16:05,761 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:16:05,766 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (153)] Ended with exit code 0 [2024-11-08 23:16:05,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:16:05,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:16:05,769 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:16:05,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:16:05,769 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:16:05,769 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:16:05,769 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:16:05,772 INFO L229 MonitoredProcess]: Starting monitored process 154 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:16:05,773 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (154)] Waiting until timeout for monitored process [2024-11-08 23:16:06,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:16:06,222 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:16:06,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:16:06,291 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:16:06,292 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:16:07,971 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:16:07,974 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (154)] Forceful destruction successful, exit code 0 [2024-11-08 23:16:07,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:16:07,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:16:07,977 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:16:07,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:16:07,978 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:16:07,978 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:16:07,978 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:16:07,979 INFO L229 MonitoredProcess]: Starting monitored process 155 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:16:07,980 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (155)] Waiting until timeout for monitored process [2024-11-08 23:16:08,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:16:08,405 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:16:08,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:16:08,445 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:16:08,446 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:16:10,080 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:16:10,084 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (155)] Forceful destruction successful, exit code 0 [2024-11-08 23:16:10,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:16:10,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:16:10,086 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:16:10,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:16:10,087 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:16:10,087 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:16:10,087 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:16:10,088 INFO L229 MonitoredProcess]: Starting monitored process 156 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:16:10,089 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (156)] Waiting until timeout for monitored process [2024-11-08 23:16:10,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:16:10,484 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:16:10,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:16:10,544 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:16:10,545 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:16:12,172 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:16:12,175 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (156)] Forceful destruction successful, exit code 0 [2024-11-08 23:16:12,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:16:12,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:16:12,178 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:16:12,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:16:12,179 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:16:12,179 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:16:12,179 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:16:12,182 INFO L229 MonitoredProcess]: Starting monitored process 157 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:16:12,183 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (157)] Waiting until timeout for monitored process [2024-11-08 23:16:12,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:16:12,619 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:16:12,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:16:12,657 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:16:12,658 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:16:14,049 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:16:14,053 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (157)] Forceful destruction successful, exit code 0 [2024-11-08 23:16:14,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:16:14,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:16:14,056 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:16:14,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:16:14,056 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:16:14,057 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:16:14,057 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:16:14,057 INFO L229 MonitoredProcess]: Starting monitored process 158 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:16:14,058 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (158)] Waiting until timeout for monitored process [2024-11-08 23:16:14,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:16:14,432 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:16:14,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:16:14,506 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:16:14,507 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:16:16,243 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:16:16,247 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (158)] Forceful destruction successful, exit code 0 [2024-11-08 23:16:16,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:16:16,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:16:16,250 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:16:16,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:16:16,250 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:16:16,250 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:16:16,250 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:16:16,251 INFO L229 MonitoredProcess]: Starting monitored process 159 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:16:16,252 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (159)] Waiting until timeout for monitored process [2024-11-08 23:16:16,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:16:16,649 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:16:16,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:16:16,696 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:16:16,697 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:16:18,244 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:16:18,247 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (159)] Forceful destruction successful, exit code 0 [2024-11-08 23:16:18,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:16:18,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:16:18,250 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:16:18,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:16:18,250 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:16:18,250 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:16:18,251 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:16:18,251 INFO L229 MonitoredProcess]: Starting monitored process 160 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:16:18,252 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (160)] Waiting until timeout for monitored process [2024-11-08 23:16:18,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:16:18,640 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:16:18,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:16:18,677 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:16:18,678 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:16:20,227 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:16:20,231 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (160)] Ended with exit code 0 [2024-11-08 23:16:20,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:16:20,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:16:20,234 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:16:20,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:16:20,234 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:16:20,234 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:16:20,234 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:16:20,235 INFO L229 MonitoredProcess]: Starting monitored process 161 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:16:20,237 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (161)] Waiting until timeout for monitored process [2024-11-08 23:16:20,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:16:20,616 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:16:20,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:16:20,674 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:16:20,675 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:16:22,833 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:16:22,837 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (161)] Ended with exit code 0 [2024-11-08 23:16:22,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:16:22,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:16:22,840 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:16:22,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:16:22,840 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:16:22,841 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:16:22,841 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:16:22,842 INFO L229 MonitoredProcess]: Starting monitored process 162 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:16:22,842 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (162)] Waiting until timeout for monitored process [2024-11-08 23:16:23,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:16:23,254 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:16:23,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:16:23,301 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:16:23,302 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:16:24,806 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:16:24,809 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (162)] Forceful destruction successful, exit code 0 [2024-11-08 23:16:24,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:16:24,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:16:24,812 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:16:24,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:16:24,813 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:16:24,813 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:16:24,813 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:16:24,814 INFO L229 MonitoredProcess]: Starting monitored process 163 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:16:24,815 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (163)] Waiting until timeout for monitored process [2024-11-08 23:16:25,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:16:25,214 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:16:25,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:16:25,252 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:16:25,253 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:16:26,830 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:16:26,834 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (163)] Forceful destruction successful, exit code 0 [2024-11-08 23:16:26,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:16:26,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:16:26,837 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:16:26,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:16:26,837 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:16:26,837 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:16:26,837 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:16:26,838 INFO L229 MonitoredProcess]: Starting monitored process 164 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:16:26,839 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (164)] Waiting until timeout for monitored process [2024-11-08 23:16:27,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:16:27,199 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:16:27,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:16:27,235 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:16:27,236 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:16:28,814 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:16:28,817 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (164)] Ended with exit code 0 [2024-11-08 23:16:28,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:16:28,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:16:28,821 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:16:28,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:16:28,821 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:16:28,821 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:16:28,821 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:16:28,822 INFO L229 MonitoredProcess]: Starting monitored process 165 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:16:28,823 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (165)] Waiting until timeout for monitored process [2024-11-08 23:16:29,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:16:29,221 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:16:29,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:16:29,257 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:16:29,258 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:16:30,856 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:16:30,859 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (165)] Forceful destruction successful, exit code 0 [2024-11-08 23:16:30,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:16:30,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:16:30,862 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:16:30,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:16:30,863 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:16:30,863 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:16:30,863 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:16:30,864 INFO L229 MonitoredProcess]: Starting monitored process 166 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:16:30,865 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (166)] Waiting until timeout for monitored process [2024-11-08 23:16:31,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:16:31,259 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:16:31,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:16:31,319 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:16:31,320 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:16:33,134 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:16:33,137 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (166)] Forceful destruction successful, exit code 0 [2024-11-08 23:16:33,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:16:33,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:16:33,140 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:16:33,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:16:33,140 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:16:33,140 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:16:33,141 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:16:33,143 INFO L229 MonitoredProcess]: Starting monitored process 167 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:16:33,144 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (167)] Waiting until timeout for monitored process [2024-11-08 23:16:33,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:16:33,551 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:16:33,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:16:33,601 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:16:33,602 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:16:35,112 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:16:35,116 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (167)] Forceful destruction successful, exit code 0 [2024-11-08 23:16:35,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:16:35,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:16:35,119 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:16:35,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:16:35,119 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:16:35,119 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:16:35,119 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:16:35,122 INFO L229 MonitoredProcess]: Starting monitored process 168 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:16:35,122 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (168)] Waiting until timeout for monitored process [2024-11-08 23:16:35,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:16:35,509 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:16:35,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:16:35,581 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:16:35,582 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:16:37,174 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:16:37,177 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (168)] Ended with exit code 0 [2024-11-08 23:16:37,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:16:37,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:16:37,180 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:16:37,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:16:37,180 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:16:37,180 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:16:37,181 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:16:37,181 INFO L229 MonitoredProcess]: Starting monitored process 169 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:16:37,183 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (169)] Waiting until timeout for monitored process [2024-11-08 23:16:37,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:16:37,561 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:16:37,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:16:37,611 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:16:37,612 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:16:39,632 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:16:39,636 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (169)] Forceful destruction successful, exit code 0 [2024-11-08 23:16:39,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:16:39,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:16:39,638 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:16:39,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:16:39,639 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:16:39,639 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:16:39,639 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:16:39,640 INFO L229 MonitoredProcess]: Starting monitored process 170 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:16:39,641 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (170)] Waiting until timeout for monitored process [2024-11-08 23:16:40,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:16:40,038 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:16:40,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:16:40,091 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:16:40,092 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:16:41,687 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:16:41,690 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (170)] Forceful destruction successful, exit code 0 [2024-11-08 23:16:41,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:16:41,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:16:41,694 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:16:41,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:16:41,694 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:16:41,694 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:16:41,694 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:16:41,695 INFO L229 MonitoredProcess]: Starting monitored process 171 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:16:41,696 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (171)] Waiting until timeout for monitored process [2024-11-08 23:16:42,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:16:42,092 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:16:42,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:16:42,144 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:16:42,145 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:16:43,719 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:16:43,723 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (171)] Forceful destruction successful, exit code 0 [2024-11-08 23:16:43,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:16:43,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:16:43,727 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:16:43,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:16:43,727 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:16:43,727 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:16:43,727 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:16:43,728 INFO L229 MonitoredProcess]: Starting monitored process 172 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:16:43,729 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (172)] Waiting until timeout for monitored process [2024-11-08 23:16:44,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:16:44,088 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:16:44,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:16:44,142 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:16:44,142 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:16:45,820 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:16:45,823 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (172)] Ended with exit code 0 [2024-11-08 23:16:45,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:16:45,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:16:45,826 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:16:45,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:16:45,827 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:16:45,827 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:16:45,827 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:16:45,828 INFO L229 MonitoredProcess]: Starting monitored process 173 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:16:45,829 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (173)] Waiting until timeout for monitored process [2024-11-08 23:16:46,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:16:46,246 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:16:46,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:16:46,322 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:16:46,323 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:16:47,946 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:16:47,950 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (173)] Forceful destruction successful, exit code 0 [2024-11-08 23:16:47,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:16:47,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:16:47,958 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:16:47,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:16:47,958 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:16:47,958 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:16:47,958 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:16:47,960 INFO L229 MonitoredProcess]: Starting monitored process 174 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:16:47,961 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (174)] Waiting until timeout for monitored process [2024-11-08 23:16:48,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:16:48,374 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:16:48,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:16:48,418 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:16:48,418 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:16:50,024 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:16:50,027 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (174)] Forceful destruction successful, exit code 0 [2024-11-08 23:16:50,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:16:50,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:16:50,030 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:16:50,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:16:50,030 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:16:50,030 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:16:50,030 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:16:50,031 INFO L229 MonitoredProcess]: Starting monitored process 175 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:16:50,032 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (175)] Waiting until timeout for monitored process [2024-11-08 23:16:50,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:16:50,452 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:16:50,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:16:50,490 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:16:50,491 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:16:52,267 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:16:52,271 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (175)] Forceful destruction successful, exit code 0 [2024-11-08 23:16:52,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:16:52,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:16:52,275 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:16:52,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:16:52,276 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:16:52,276 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:16:52,276 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:16:52,277 INFO L229 MonitoredProcess]: Starting monitored process 176 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:16:52,278 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (176)] Waiting until timeout for monitored process [2024-11-08 23:16:52,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:16:52,788 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:16:52,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:16:52,845 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-08 23:16:52,846 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:16:54,604 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:16:54,607 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (176)] Forceful destruction successful, exit code 0 [2024-11-08 23:16:54,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:16:54,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:16:54,610 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:16:54,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:16:54,611 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:16:54,611 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:16:54,611 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:16:54,612 INFO L229 MonitoredProcess]: Starting monitored process 177 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:16:54,613 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (177)] Waiting until timeout for monitored process [2024-11-08 23:16:55,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:16:55,021 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:16:55,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:16:55,072 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:16:55,072 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:16:56,613 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:16:56,617 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (177)] Forceful destruction successful, exit code 0 [2024-11-08 23:16:56,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:16:56,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:16:56,621 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:16:56,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:16:56,621 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:16:56,622 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:16:56,622 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:16:56,623 INFO L229 MonitoredProcess]: Starting monitored process 178 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:16:56,623 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (178)] Waiting until timeout for monitored process [2024-11-08 23:16:57,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:16:57,025 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:16:57,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:16:57,066 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:16:57,067 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:16:58,646 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:16:58,650 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (178)] Forceful destruction successful, exit code 0 [2024-11-08 23:16:58,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:16:58,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:16:58,653 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:16:58,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:16:58,653 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:16:58,653 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:16:58,653 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:16:58,654 INFO L229 MonitoredProcess]: Starting monitored process 179 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:16:58,655 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (179)] Waiting until timeout for monitored process [2024-11-08 23:16:59,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:16:59,036 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:16:59,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:16:59,093 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:16:59,094 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:17:00,625 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:17:00,629 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (179)] Forceful destruction successful, exit code 0 [2024-11-08 23:17:00,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:17:00,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:17:00,632 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:17:00,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:17:00,632 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:17:00,632 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:17:00,632 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:17:00,633 INFO L229 MonitoredProcess]: Starting monitored process 180 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:17:00,634 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (180)] Waiting until timeout for monitored process [2024-11-08 23:17:01,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:01,012 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:17:01,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:01,049 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-08 23:17:01,049 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:17:02,750 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:17:02,754 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (180)] Ended with exit code 0 [2024-11-08 23:17:02,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:17:02,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:17:02,757 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:17:02,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:17:02,757 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:17:02,758 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:17:02,758 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:17:02,759 INFO L229 MonitoredProcess]: Starting monitored process 181 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:17:02,759 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (181)] Waiting until timeout for monitored process [2024-11-08 23:17:03,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:03,149 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:17:03,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:03,198 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:17:03,198 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:17:04,899 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:17:04,902 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (181)] Forceful destruction successful, exit code 0 [2024-11-08 23:17:04,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:17:04,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:17:04,906 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:17:04,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:17:04,906 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:17:04,906 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:17:04,906 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:17:04,907 INFO L229 MonitoredProcess]: Starting monitored process 182 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:17:04,908 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (182)] Waiting until timeout for monitored process [2024-11-08 23:17:05,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:05,288 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:17:05,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:05,347 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:17:05,348 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:17:06,829 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:17:06,832 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (182)] Ended with exit code 0 [2024-11-08 23:17:06,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:17:06,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:17:06,836 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:17:06,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:17:06,836 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:17:06,836 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:17:06,836 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:17:06,837 INFO L229 MonitoredProcess]: Starting monitored process 183 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:17:06,838 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (183)] Waiting until timeout for monitored process [2024-11-08 23:17:07,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:07,234 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:17:07,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:07,288 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:17:07,289 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:17:08,756 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:17:08,760 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (183)] Forceful destruction successful, exit code 0 [2024-11-08 23:17:08,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:17:08,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:17:08,763 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:17:08,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:17:08,763 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:17:08,763 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:17:08,763 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:17:08,764 INFO L229 MonitoredProcess]: Starting monitored process 184 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:17:08,765 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (184)] Waiting until timeout for monitored process [2024-11-08 23:17:09,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:09,148 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:17:09,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:09,209 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:17:09,210 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:17:10,767 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:17:10,770 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (184)] Forceful destruction successful, exit code 0 [2024-11-08 23:17:10,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:17:10,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:17:10,773 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:17:10,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:17:10,774 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:17:10,774 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:17:10,774 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:17:10,775 INFO L229 MonitoredProcess]: Starting monitored process 185 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:17:10,776 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (185)] Waiting until timeout for monitored process [2024-11-08 23:17:11,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:11,192 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:17:11,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:11,239 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:17:11,240 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:17:13,059 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:17:13,062 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (185)] Forceful destruction successful, exit code 0 [2024-11-08 23:17:13,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:17:13,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:17:13,065 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:17:13,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:17:13,065 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:17:13,066 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:17:13,066 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:17:13,068 INFO L229 MonitoredProcess]: Starting monitored process 186 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:17:13,069 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (186)] Waiting until timeout for monitored process [2024-11-08 23:17:13,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:13,481 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:17:13,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:13,526 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:17:13,527 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:17:15,107 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:17:15,111 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (186)] Forceful destruction successful, exit code 0 [2024-11-08 23:17:15,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:17:15,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:17:15,114 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:17:15,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:17:15,114 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:17:15,115 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:17:15,115 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:17:15,115 INFO L229 MonitoredProcess]: Starting monitored process 187 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:17:15,117 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (187)] Waiting until timeout for monitored process [2024-11-08 23:17:15,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:15,503 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:17:15,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:15,566 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:17:15,566 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:17:17,271 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:17:17,275 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (187)] Ended with exit code 0 [2024-11-08 23:17:17,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:17:17,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:17:17,277 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:17:17,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:17:17,278 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:17:17,278 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:17:17,278 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:17:17,279 INFO L229 MonitoredProcess]: Starting monitored process 188 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:17:17,280 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (188)] Waiting until timeout for monitored process [2024-11-08 23:17:17,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:17,667 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:17:17,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:17,737 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:17:17,738 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:17:19,224 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:17:19,228 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (188)] Forceful destruction successful, exit code 0 [2024-11-08 23:17:19,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:17:19,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:17:19,231 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:17:19,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:17:19,231 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:17:19,231 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:17:19,231 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:17:19,236 INFO L229 MonitoredProcess]: Starting monitored process 189 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:17:19,238 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (189)] Waiting until timeout for monitored process [2024-11-08 23:17:19,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:19,654 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:17:19,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:19,702 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:17:19,703 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:17:21,158 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:17:21,161 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (189)] Forceful destruction successful, exit code 0 [2024-11-08 23:17:21,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:17:21,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:17:21,164 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:17:21,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:17:21,165 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:17:21,165 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:17:21,165 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:17:21,166 INFO L229 MonitoredProcess]: Starting monitored process 190 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:17:21,167 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (190)] Waiting until timeout for monitored process [2024-11-08 23:17:21,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:21,543 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:17:21,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:21,589 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:17:21,589 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:17:23,158 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:17:23,161 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (190)] Forceful destruction successful, exit code 0 [2024-11-08 23:17:23,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:17:23,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:17:23,165 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:17:23,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:17:23,166 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:17:23,166 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:17:23,166 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:17:23,167 INFO L229 MonitoredProcess]: Starting monitored process 191 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:17:23,168 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (191)] Waiting until timeout for monitored process [2024-11-08 23:17:23,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:23,564 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:17:23,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:23,619 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:17:23,620 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:17:25,184 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:17:25,187 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (191)] Forceful destruction successful, exit code 0 [2024-11-08 23:17:25,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:17:25,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:17:25,190 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:17:25,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:17:25,190 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:17:25,191 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:17:25,191 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:17:25,192 INFO L229 MonitoredProcess]: Starting monitored process 192 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:17:25,193 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (192)] Waiting until timeout for monitored process [2024-11-08 23:17:25,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:25,705 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:17:25,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:25,741 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:17:25,742 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:17:27,172 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:17:27,175 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (192)] Forceful destruction successful, exit code 0 [2024-11-08 23:17:27,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:17:27,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:17:27,178 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:17:27,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:17:27,179 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:17:27,179 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:17:27,179 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:17:27,182 INFO L229 MonitoredProcess]: Starting monitored process 193 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:17:27,183 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (193)] Waiting until timeout for monitored process [2024-11-08 23:17:27,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:27,569 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:17:27,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:27,610 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-08 23:17:27,611 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:17:29,213 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:17:29,217 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (193)] Ended with exit code 0 [2024-11-08 23:17:29,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:17:29,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:17:29,221 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:17:29,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:17:29,221 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:17:29,221 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:17:29,221 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:17:29,222 INFO L229 MonitoredProcess]: Starting monitored process 194 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:17:29,223 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (194)] Waiting until timeout for monitored process [2024-11-08 23:17:29,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:29,601 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:17:29,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:29,649 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:17:29,650 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:17:31,060 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:17:31,064 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (194)] Ended with exit code 0 [2024-11-08 23:17:31,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:17:31,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:17:31,066 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:17:31,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:17:31,067 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:17:31,067 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:17:31,067 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:17:31,068 INFO L229 MonitoredProcess]: Starting monitored process 195 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:17:31,069 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (195)] Waiting until timeout for monitored process [2024-11-08 23:17:31,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:31,446 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:17:31,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:31,507 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:17:31,508 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:17:33,061 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:17:33,064 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (195)] Forceful destruction successful, exit code 0 [2024-11-08 23:17:33,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:17:33,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:17:33,067 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:17:33,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:17:33,067 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:17:33,067 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:17:33,068 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:17:33,068 INFO L229 MonitoredProcess]: Starting monitored process 196 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:17:33,069 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (196)] Waiting until timeout for monitored process [2024-11-08 23:17:33,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:33,477 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:17:33,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:33,527 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:17:33,528 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:17:35,125 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:17:35,129 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (196)] Ended with exit code 0 [2024-11-08 23:17:35,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:17:35,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:17:35,133 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:17:35,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:17:35,133 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:17:35,133 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:17:35,134 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:17:35,134 INFO L229 MonitoredProcess]: Starting monitored process 197 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:17:35,135 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (197)] Waiting until timeout for monitored process [2024-11-08 23:17:35,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:35,512 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:17:35,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:35,566 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-08 23:17:35,567 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:17:37,257 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:17:37,260 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (197)] Forceful destruction successful, exit code 0 [2024-11-08 23:17:37,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:17:37,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:17:37,264 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:17:37,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:17:37,264 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:17:37,264 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:17:37,264 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:17:37,265 INFO L229 MonitoredProcess]: Starting monitored process 198 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:17:37,266 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (198)] Waiting until timeout for monitored process [2024-11-08 23:17:37,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:37,634 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:17:37,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:37,676 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:17:37,677 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:17:39,467 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:17:39,471 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (198)] Forceful destruction successful, exit code 0 [2024-11-08 23:17:39,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:17:39,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:17:39,474 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:17:39,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:17:39,474 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:17:39,475 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:17:39,475 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:17:39,475 INFO L229 MonitoredProcess]: Starting monitored process 199 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:17:39,477 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (199)] Waiting until timeout for monitored process [2024-11-08 23:17:39,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:39,904 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:17:39,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:39,945 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-08 23:17:39,945 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:17:41,776 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:17:41,779 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (199)] Forceful destruction successful, exit code 0 [2024-11-08 23:17:41,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:17:41,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:17:41,783 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:17:41,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:17:41,783 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:17:41,783 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:17:41,783 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:17:41,784 INFO L229 MonitoredProcess]: Starting monitored process 200 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:17:41,785 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (200)] Waiting until timeout for monitored process [2024-11-08 23:17:42,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:42,182 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:17:42,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:42,219 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-08 23:17:42,220 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:17:44,062 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:17:44,065 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (200)] Forceful destruction successful, exit code 0 [2024-11-08 23:17:44,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:17:44,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:17:44,069 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:17:44,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:17:44,069 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:17:44,069 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:17:44,069 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:17:44,070 INFO L229 MonitoredProcess]: Starting monitored process 201 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:17:44,071 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (201)] Waiting until timeout for monitored process [2024-11-08 23:17:44,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:44,431 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:17:44,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:44,479 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:17:44,480 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:17:46,083 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:17:46,087 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (201)] Forceful destruction successful, exit code 0 [2024-11-08 23:17:46,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:17:46,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:17:46,090 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:17:46,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:17:46,090 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:17:46,090 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:17:46,090 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:17:46,091 INFO L229 MonitoredProcess]: Starting monitored process 202 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:17:46,092 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (202)] Waiting until timeout for monitored process [2024-11-08 23:17:46,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:46,486 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:17:46,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:46,526 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-08 23:17:46,528 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:17:48,305 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:17:48,309 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (202)] Forceful destruction successful, exit code 0 [2024-11-08 23:17:48,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:17:48,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:17:48,312 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:17:48,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:17:48,312 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:17:48,313 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:17:48,313 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:17:48,315 INFO L229 MonitoredProcess]: Starting monitored process 203 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:17:48,316 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (203)] Waiting until timeout for monitored process [2024-11-08 23:17:48,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:48,859 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:17:48,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:48,898 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:17:48,899 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:17:50,539 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:17:50,543 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (203)] Forceful destruction successful, exit code 0 [2024-11-08 23:17:50,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:17:50,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:17:50,546 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:17:50,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:17:50,546 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:17:50,547 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:17:50,547 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:17:50,547 INFO L229 MonitoredProcess]: Starting monitored process 204 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:17:50,548 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (204)] Waiting until timeout for monitored process [2024-11-08 23:17:50,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:50,958 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:17:50,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:51,000 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:17:51,001 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:17:52,592 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:17:52,595 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (204)] Forceful destruction successful, exit code 0 [2024-11-08 23:17:52,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:17:52,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:17:52,598 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:17:52,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:17:52,598 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:17:52,599 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:17:52,599 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:17:52,601 INFO L229 MonitoredProcess]: Starting monitored process 205 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:17:52,602 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (205)] Waiting until timeout for monitored process [2024-11-08 23:17:53,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:53,039 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:17:53,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:53,086 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-08 23:17:53,088 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:17:54,709 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:17:54,713 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (205)] Forceful destruction successful, exit code 0 [2024-11-08 23:17:54,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:17:54,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:17:54,716 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:17:54,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:17:54,716 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:17:54,717 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:17:54,717 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:17:54,717 INFO L229 MonitoredProcess]: Starting monitored process 206 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:17:54,718 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (206)] Waiting until timeout for monitored process [2024-11-08 23:17:55,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:55,137 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:17:55,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:55,177 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:17:55,178 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:17:57,082 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:17:57,086 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (206)] Forceful destruction successful, exit code 0 [2024-11-08 23:17:57,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:17:57,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:17:57,089 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:17:57,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:17:57,090 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:17:57,090 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:17:57,090 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:17:57,091 INFO L229 MonitoredProcess]: Starting monitored process 207 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:17:57,092 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (207)] Waiting until timeout for monitored process [2024-11-08 23:17:57,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:57,693 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:17:57,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:57,750 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:17:57,750 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:17:59,377 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:17:59,381 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (207)] Forceful destruction successful, exit code 0 [2024-11-08 23:17:59,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:17:59,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:17:59,384 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:17:59,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:17:59,384 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:17:59,384 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:17:59,384 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:17:59,385 INFO L229 MonitoredProcess]: Starting monitored process 208 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:17:59,386 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (208)] Waiting until timeout for monitored process [2024-11-08 23:17:59,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:59,779 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:17:59,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:59,831 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-08 23:17:59,832 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:18:01,520 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:18:01,523 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (208)] Ended with exit code 0 [2024-11-08 23:18:01,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:18:01,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:18:01,527 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:18:01,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:18:01,527 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:18:01,527 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:18:01,527 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:18:01,528 INFO L229 MonitoredProcess]: Starting monitored process 209 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:18:01,529 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (209)] Waiting until timeout for monitored process [2024-11-08 23:18:01,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:18:01,926 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:18:01,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:18:01,964 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-08 23:18:01,964 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:18:03,678 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:18:03,682 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (209)] Ended with exit code 0 [2024-11-08 23:18:03,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:18:03,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:18:03,685 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:18:03,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:18:03,686 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:18:03,686 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:18:03,686 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:18:03,687 INFO L229 MonitoredProcess]: Starting monitored process 210 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:18:03,688 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (210)] Waiting until timeout for monitored process [2024-11-08 23:18:04,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:18:04,084 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:18:04,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:18:04,139 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:18:04,140 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:18:05,755 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:18:05,759 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (210)] Forceful destruction successful, exit code 0 [2024-11-08 23:18:05,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:18:05,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:18:05,762 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:18:05,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:18:05,762 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:18:05,762 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:18:05,762 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:18:05,763 INFO L229 MonitoredProcess]: Starting monitored process 211 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:18:05,764 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (211)] Waiting until timeout for monitored process [2024-11-08 23:18:06,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:18:06,161 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:18:06,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:18:06,203 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:18:06,204 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:18:07,703 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:18:07,707 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (211)] Forceful destruction successful, exit code 0 [2024-11-08 23:18:07,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:18:07,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:18:07,710 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:18:07,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:18:07,710 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:18:07,711 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:18:07,711 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:18:07,712 INFO L229 MonitoredProcess]: Starting monitored process 212 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:18:07,712 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (212)] Waiting until timeout for monitored process [2024-11-08 23:18:08,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:18:08,092 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:18:08,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:18:08,151 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:18:08,152 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:18:09,866 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:18:09,869 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (212)] Ended with exit code 0 [2024-11-08 23:18:09,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:18:09,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:18:09,873 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:18:09,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:18:09,873 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:18:09,873 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:18:09,873 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:18:09,874 INFO L229 MonitoredProcess]: Starting monitored process 213 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:18:09,875 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (213)] Waiting until timeout for monitored process [2024-11-08 23:18:10,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:18:10,274 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:18:10,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:18:10,336 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:18:10,337 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:18:11,879 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:18:11,883 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (213)] Forceful destruction successful, exit code 0 [2024-11-08 23:18:11,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:18:11,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:18:11,886 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:18:11,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:18:11,886 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:18:11,887 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:18:11,887 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:18:11,887 INFO L229 MonitoredProcess]: Starting monitored process 214 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:18:11,888 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (214)] Waiting until timeout for monitored process [2024-11-08 23:18:12,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:18:12,261 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:18:12,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:18:12,298 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:18:12,299 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:18:14,039 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:18:14,042 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (214)] Forceful destruction successful, exit code 0 [2024-11-08 23:18:14,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:18:14,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:18:14,045 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:18:14,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:18:14,045 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:18:14,046 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:18:14,046 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:18:14,046 INFO L229 MonitoredProcess]: Starting monitored process 215 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:18:14,047 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (215)] Waiting until timeout for monitored process [2024-11-08 23:18:14,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:18:14,463 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:18:14,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:18:14,518 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:18:14,519 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:18:16,134 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:18:16,138 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (215)] Ended with exit code 0 [2024-11-08 23:18:16,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:18:16,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:18:16,141 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:18:16,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:18:16,141 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:18:16,141 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:18:16,141 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:18:16,142 INFO L229 MonitoredProcess]: Starting monitored process 216 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:18:16,144 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (216)] Waiting until timeout for monitored process [2024-11-08 23:18:16,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:18:16,574 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:18:16,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:18:16,641 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:18:16,641 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:18:18,293 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:18:18,297 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (216)] Forceful destruction successful, exit code 0 [2024-11-08 23:18:18,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:18:18,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:18:18,301 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:18:18,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:18:18,301 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:18:18,301 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:18:18,301 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:18:18,302 INFO L229 MonitoredProcess]: Starting monitored process 217 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:18:18,303 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (217)] Waiting until timeout for monitored process [2024-11-08 23:18:18,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:18:18,722 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:18:18,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:18:18,763 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:18:18,763 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:18:20,651 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:18:20,655 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (217)] Forceful destruction successful, exit code 0 [2024-11-08 23:18:20,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:18:20,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:18:20,658 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:18:20,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:18:20,658 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:18:20,658 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:18:20,658 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:18:20,659 INFO L229 MonitoredProcess]: Starting monitored process 218 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:18:20,661 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (218)] Waiting until timeout for monitored process [2024-11-08 23:18:21,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:18:21,071 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:18:21,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:18:21,132 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:18:21,133 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:18:22,736 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:18:22,740 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (218)] Forceful destruction successful, exit code 0 [2024-11-08 23:18:22,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:18:22,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:18:22,743 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:18:22,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:18:22,743 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:18:22,744 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:18:22,744 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:18:22,745 INFO L229 MonitoredProcess]: Starting monitored process 219 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:18:22,745 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (219)] Waiting until timeout for monitored process [2024-11-08 23:18:23,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:18:23,191 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:18:23,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:18:23,263 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:18:23,264 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:18:25,093 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:18:25,097 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (219)] Forceful destruction successful, exit code 0 [2024-11-08 23:18:25,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:18:25,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:18:25,100 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:18:25,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:18:25,100 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:18:25,100 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:18:25,100 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:18:25,101 INFO L229 MonitoredProcess]: Starting monitored process 220 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:18:25,102 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (220)] Waiting until timeout for monitored process [2024-11-08 23:18:25,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:18:25,539 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:18:25,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:18:25,605 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-08 23:18:25,606 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:18:27,671 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:18:27,675 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (220)] Ended with exit code 0 [2024-11-08 23:18:27,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:18:27,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:18:27,678 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:18:27,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:18:27,679 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:18:27,679 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:18:27,679 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:18:27,680 INFO L229 MonitoredProcess]: Starting monitored process 221 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:18:27,681 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (221)] Waiting until timeout for monitored process [2024-11-08 23:18:28,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:18:28,158 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:18:28,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:18:28,199 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-08 23:18:28,200 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:18:30,341 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:18:30,345 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (221)] Forceful destruction successful, exit code 0 [2024-11-08 23:18:30,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:18:30,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:18:30,349 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:18:30,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:18:30,350 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:18:30,350 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:18:30,350 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:18:30,351 INFO L229 MonitoredProcess]: Starting monitored process 222 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:18:30,353 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (222)] Waiting until timeout for monitored process [2024-11-08 23:18:30,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:18:30,839 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:18:30,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:18:30,889 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:18:30,890 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:18:32,492 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:18:32,496 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (222)] Forceful destruction successful, exit code 0 [2024-11-08 23:18:32,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:18:32,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:18:32,499 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:18:32,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:18:32,499 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:18:32,499 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:18:32,499 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:18:32,500 INFO L229 MonitoredProcess]: Starting monitored process 223 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:18:32,502 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (223)] Waiting until timeout for monitored process [2024-11-08 23:18:33,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:18:33,003 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:18:33,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:18:33,050 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:18:33,051 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:18:34,674 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:18:34,678 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (223)] Ended with exit code 0 [2024-11-08 23:18:34,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:18:34,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:18:34,683 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:18:34,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:18:34,684 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:18:34,684 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:18:34,684 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:18:34,685 INFO L229 MonitoredProcess]: Starting monitored process 224 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:18:34,686 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (224)] Waiting until timeout for monitored process [2024-11-08 23:18:35,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:18:35,098 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:18:35,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:18:35,136 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:18:35,137 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:18:36,820 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:18:36,823 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (224)] Forceful destruction successful, exit code 0 [2024-11-08 23:18:36,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:18:36,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:18:36,828 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:18:36,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:18:36,829 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:18:36,829 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:18:36,829 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:18:36,831 INFO L229 MonitoredProcess]: Starting monitored process 225 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:18:36,835 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (225)] Waiting until timeout for monitored process [2024-11-08 23:18:37,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:18:37,270 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:18:37,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:18:37,332 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:18:37,333 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:18:39,035 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:18:39,039 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (225)] Forceful destruction successful, exit code 0 [2024-11-08 23:18:39,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:18:39,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:18:39,042 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:18:39,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:18:39,042 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:18:39,042 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:18:39,042 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:18:39,043 INFO L229 MonitoredProcess]: Starting monitored process 226 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:18:39,044 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (226)] Waiting until timeout for monitored process [2024-11-08 23:18:39,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:18:39,470 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:18:39,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:18:39,525 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:18:39,526 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:18:41,351 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:18:41,356 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (226)] Forceful destruction successful, exit code 0 [2024-11-08 23:18:41,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:18:41,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:18:41,359 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:18:41,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:18:41,360 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:18:41,360 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:18:41,360 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:18:41,361 INFO L229 MonitoredProcess]: Starting monitored process 227 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:18:41,363 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (227)] Waiting until timeout for monitored process [2024-11-08 23:18:41,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:18:41,795 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:18:41,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:18:41,877 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:18:41,878 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:18:43,635 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:18:43,639 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (227)] Forceful destruction successful, exit code 0 [2024-11-08 23:18:43,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:18:43,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:18:43,644 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:18:43,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:18:43,644 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:18:43,644 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:18:43,644 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:18:43,645 INFO L229 MonitoredProcess]: Starting monitored process 228 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:18:43,646 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (228)] Waiting until timeout for monitored process [2024-11-08 23:18:44,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:18:44,072 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:18:44,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:18:44,124 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:18:44,125 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:18:45,960 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:18:45,964 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (228)] Forceful destruction successful, exit code 0 [2024-11-08 23:18:45,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:18:45,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:18:45,969 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:18:45,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:18:45,969 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:18:45,969 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:18:45,969 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:18:45,970 INFO L229 MonitoredProcess]: Starting monitored process 229 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:18:45,972 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (229)] Waiting until timeout for monitored process [2024-11-08 23:18:46,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:18:46,427 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:18:46,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:18:46,466 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:18:46,467 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:18:48,154 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:18:48,157 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (229)] Forceful destruction successful, exit code 0 [2024-11-08 23:18:48,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:18:48,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:18:48,160 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:18:48,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:18:48,160 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:18:48,161 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:18:48,161 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:18:48,162 INFO L229 MonitoredProcess]: Starting monitored process 230 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:18:48,162 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (230)] Waiting until timeout for monitored process [2024-11-08 23:18:48,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:18:48,592 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:18:48,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:18:48,645 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:18:48,646 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:18:50,360 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:18:50,363 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (230)] Forceful destruction successful, exit code 0 [2024-11-08 23:18:50,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:18:50,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:18:50,367 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:18:50,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:18:50,368 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:18:50,368 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:18:50,368 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:18:50,369 INFO L229 MonitoredProcess]: Starting monitored process 231 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:18:50,370 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (231)] Waiting until timeout for monitored process [2024-11-08 23:18:50,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:18:50,792 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:18:50,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:18:50,838 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:18:50,839 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:18:52,595 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:18:52,600 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (231)] Forceful destruction successful, exit code 0 [2024-11-08 23:18:52,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:18:52,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:18:52,606 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:18:52,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:18:52,606 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:18:52,607 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:18:52,607 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:18:52,609 INFO L229 MonitoredProcess]: Starting monitored process 232 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:18:52,610 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (232)] Waiting until timeout for monitored process [2024-11-08 23:18:53,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:18:53,097 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:18:53,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:18:53,151 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:18:53,152 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:18:54,980 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:18:54,984 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (232)] Forceful destruction successful, exit code 0 [2024-11-08 23:18:54,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:18:54,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:18:54,989 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:18:54,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:18:54,989 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:18:54,989 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:18:54,990 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:18:54,993 INFO L229 MonitoredProcess]: Starting monitored process 233 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:18:54,994 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (233)] Waiting until timeout for monitored process [2024-11-08 23:18:55,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:18:55,423 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:18:55,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:18:55,464 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:18:55,465 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:18:57,270 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:18:57,274 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (233)] Forceful destruction successful, exit code 0 [2024-11-08 23:18:57,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:18:57,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:18:57,277 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:18:57,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:18:57,277 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:18:57,277 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:18:57,278 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:18:57,278 INFO L229 MonitoredProcess]: Starting monitored process 234 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:18:57,280 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (234)] Waiting until timeout for monitored process [2024-11-08 23:18:57,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:18:57,739 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:18:57,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:18:57,789 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:18:57,790 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:18:59,510 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:18:59,514 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (234)] Forceful destruction successful, exit code 0 [2024-11-08 23:18:59,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:18:59,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:18:59,517 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:18:59,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:18:59,518 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:18:59,518 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:18:59,518 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:18:59,520 INFO L229 MonitoredProcess]: Starting monitored process 235 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:18:59,523 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (235)] Waiting until timeout for monitored process [2024-11-08 23:19:00,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:19:00,068 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:19:00,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:19:00,112 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:19:00,113 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:19:01,912 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:19:01,916 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (235)] Forceful destruction successful, exit code 0 [2024-11-08 23:19:01,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:19:01,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:19:01,922 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:19:01,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:19:01,922 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:19:01,922 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:19:01,923 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:19:01,925 INFO L229 MonitoredProcess]: Starting monitored process 236 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:19:01,927 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (236)] Waiting until timeout for monitored process [2024-11-08 23:19:02,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:19:02,380 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:19:02,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:19:02,434 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:19:02,435 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:19:04,395 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:19:04,398 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (236)] Ended with exit code 0 [2024-11-08 23:19:04,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:19:04,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:19:04,402 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:19:04,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:19:04,402 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:19:04,402 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:19:04,402 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:19:04,403 INFO L229 MonitoredProcess]: Starting monitored process 237 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:19:04,404 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (237)] Waiting until timeout for monitored process [2024-11-08 23:19:04,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:19:04,829 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:19:04,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:19:04,881 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:19:04,882 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:19:06,617 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:19:06,623 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (237)] Forceful destruction successful, exit code 0 [2024-11-08 23:19:06,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:19:06,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:19:06,628 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:19:06,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:19:06,629 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:19:06,629 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:19:06,629 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:19:06,630 INFO L229 MonitoredProcess]: Starting monitored process 238 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:19:06,631 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (238)] Waiting until timeout for monitored process [2024-11-08 23:19:07,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:19:07,055 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:19:07,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:19:07,101 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:19:07,102 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:19:09,018 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:19:09,021 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (238)] Forceful destruction successful, exit code 0 [2024-11-08 23:19:09,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:19:09,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:19:09,030 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:19:09,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:19:09,030 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:19:09,030 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:19:09,030 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:19:09,031 INFO L229 MonitoredProcess]: Starting monitored process 239 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:19:09,035 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (239)] Waiting until timeout for monitored process [2024-11-08 23:19:09,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:19:09,459 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:19:09,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:19:09,507 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:19:09,508 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:19:11,260 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:19:11,264 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (239)] Forceful destruction successful, exit code 0 [2024-11-08 23:19:11,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:19:11,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:19:11,267 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:19:11,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:19:11,267 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:19:11,267 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:19:11,267 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:19:11,268 INFO L229 MonitoredProcess]: Starting monitored process 240 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:19:11,272 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (240)] Waiting until timeout for monitored process [2024-11-08 23:19:11,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:19:11,696 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:19:11,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:19:11,764 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:19:11,765 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:19:13,433 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:19:13,437 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (240)] Ended with exit code 0 [2024-11-08 23:19:13,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:19:13,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:19:13,441 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:19:13,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:19:13,441 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:19:13,441 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:19:13,441 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:19:13,442 INFO L229 MonitoredProcess]: Starting monitored process 241 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:19:13,443 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (241)] Waiting until timeout for monitored process [2024-11-08 23:19:13,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:19:13,956 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:19:13,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:19:14,003 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:19:14,004 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:19:15,791 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:19:15,795 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (241)] Forceful destruction successful, exit code 0 [2024-11-08 23:19:15,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:19:15,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:19:15,798 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:19:15,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:19:15,798 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:19:15,798 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:19:15,798 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:19:15,799 INFO L229 MonitoredProcess]: Starting monitored process 242 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:19:15,800 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (242)] Waiting until timeout for monitored process [2024-11-08 23:19:16,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:19:16,224 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:19:16,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:19:16,262 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:19:16,263 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:19:18,262 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:19:18,266 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (242)] Forceful destruction successful, exit code 0 [2024-11-08 23:19:18,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:19:18,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:19:18,269 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:19:18,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:19:18,269 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:19:18,269 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:19:18,270 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:19:18,270 INFO L229 MonitoredProcess]: Starting monitored process 243 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:19:18,271 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (243)] Waiting until timeout for monitored process [2024-11-08 23:19:18,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:19:18,704 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:19:18,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:19:18,745 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:19:18,746 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:19:20,485 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:19:20,489 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (243)] Forceful destruction successful, exit code 0 [2024-11-08 23:19:20,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:19:20,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:19:20,492 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:19:20,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:19:20,493 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:19:20,493 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:19:20,493 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:19:20,494 INFO L229 MonitoredProcess]: Starting monitored process 244 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:19:20,496 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (244)] Waiting until timeout for monitored process [2024-11-08 23:19:20,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:19:20,943 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:19:20,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:19:20,985 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:19:20,986 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:19:22,735 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:19:22,739 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (244)] Forceful destruction successful, exit code 0 [2024-11-08 23:19:22,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:19:22,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:19:22,743 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:19:22,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:19:22,743 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:19:22,743 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:19:22,743 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:19:22,744 INFO L229 MonitoredProcess]: Starting monitored process 245 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:19:22,746 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (245)] Waiting until timeout for monitored process [2024-11-08 23:19:23,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:19:23,172 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:19:23,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:19:23,234 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:19:23,234 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:19:24,998 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:19:25,002 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (245)] Forceful destruction successful, exit code 0 [2024-11-08 23:19:25,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:19:25,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:19:25,005 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:19:25,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:19:25,005 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:19:25,006 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:19:25,006 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:19:25,007 INFO L229 MonitoredProcess]: Starting monitored process 246 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:19:25,009 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (246)] Waiting until timeout for monitored process [2024-11-08 23:19:25,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:19:25,426 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:19:25,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:19:25,504 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:19:25,505 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:19:27,186 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:19:27,190 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (246)] Ended with exit code 0 [2024-11-08 23:19:27,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:19:27,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:19:27,193 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:19:27,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:19:27,193 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:19:27,193 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:19:27,193 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:19:27,194 INFO L229 MonitoredProcess]: Starting monitored process 247 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:19:27,195 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (247)] Waiting until timeout for monitored process [2024-11-08 23:19:27,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:19:27,570 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:19:27,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:19:27,607 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:19:27,608 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:19:29,153 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:19:29,156 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (247)] Forceful destruction successful, exit code 0 [2024-11-08 23:19:29,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:19:29,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:19:29,159 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:19:29,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:19:29,159 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:19:29,160 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:19:29,160 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:19:29,161 INFO L229 MonitoredProcess]: Starting monitored process 248 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:19:29,162 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (248)] Waiting until timeout for monitored process [2024-11-08 23:19:29,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:19:29,537 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:19:29,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:19:29,573 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-08 23:19:29,574 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:19:31,162 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:19:31,165 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (248)] Forceful destruction successful, exit code 0 [2024-11-08 23:19:31,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:19:31,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:19:31,170 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:19:31,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:19:31,170 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:19:31,171 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:19:31,171 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:19:31,173 INFO L229 MonitoredProcess]: Starting monitored process 249 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:19:31,174 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (249)] Waiting until timeout for monitored process [2024-11-08 23:19:31,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:19:31,550 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:19:31,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:19:31,595 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:19:31,596 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:19:33,255 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:19:33,259 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (249)] Forceful destruction successful, exit code 0 [2024-11-08 23:19:33,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:19:33,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:19:33,263 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:19:33,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:19:33,263 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:19:33,263 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:19:33,263 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:19:33,266 INFO L229 MonitoredProcess]: Starting monitored process 250 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:19:33,267 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (250)] Waiting until timeout for monitored process [2024-11-08 23:19:33,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:19:33,654 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:19:33,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:19:33,696 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:19:33,697 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:19:35,115 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:19:35,119 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (250)] Ended with exit code 0 [2024-11-08 23:19:35,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:19:35,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:19:35,122 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:19:35,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:19:35,122 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:19:35,122 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:19:35,122 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:19:35,123 INFO L229 MonitoredProcess]: Starting monitored process 251 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:19:35,125 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (251)] Waiting until timeout for monitored process [2024-11-08 23:19:35,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:19:35,506 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:19:35,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:19:35,542 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:19:35,543 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:19:36,989 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:19:36,992 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (251)] Forceful destruction successful, exit code 0 [2024-11-08 23:19:36,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:19:36,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:19:36,996 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:19:36,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:19:36,996 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:19:36,996 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:19:36,996 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:19:36,997 INFO L229 MonitoredProcess]: Starting monitored process 252 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:19:36,998 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (252)] Waiting until timeout for monitored process [2024-11-08 23:19:37,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:19:37,377 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:19:37,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:19:37,436 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:19:37,437 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:19:38,981 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:19:38,984 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (252)] Forceful destruction successful, exit code 0 [2024-11-08 23:19:38,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:19:38,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:19:38,988 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:19:38,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:19:38,988 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:19:38,989 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:19:38,989 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:19:38,990 INFO L229 MonitoredProcess]: Starting monitored process 253 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:19:38,991 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (253)] Waiting until timeout for monitored process [2024-11-08 23:19:39,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:19:39,364 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:19:39,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:19:39,401 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:19:39,401 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:19:41,014 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:19:41,017 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (253)] Ended with exit code 0 [2024-11-08 23:19:41,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:19:41,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:19:41,021 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:19:41,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:19:41,021 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:19:41,022 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:19:41,022 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:19:41,023 INFO L229 MonitoredProcess]: Starting monitored process 254 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:19:41,024 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (254)] Waiting until timeout for monitored process [2024-11-08 23:19:41,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:19:41,417 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:19:41,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:19:41,455 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-08 23:19:41,456 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:19:43,163 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:19:43,166 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (254)] Ended with exit code 0 [2024-11-08 23:19:43,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:19:43,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:19:43,170 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:19:43,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:19:43,170 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:19:43,170 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:19:43,170 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:19:43,171 INFO L229 MonitoredProcess]: Starting monitored process 255 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:19:43,173 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (255)] Waiting until timeout for monitored process [2024-11-08 23:19:43,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:19:43,556 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:19:43,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:19:43,608 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:19:43,609 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:19:45,088 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:19:45,092 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (255)] Ended with exit code 0 [2024-11-08 23:19:45,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:19:45,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:19:45,095 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:19:45,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:19:45,095 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:19:45,095 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:19:45,095 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:19:45,097 INFO L229 MonitoredProcess]: Starting monitored process 256 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:19:45,099 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (256)] Waiting until timeout for monitored process [2024-11-08 23:19:45,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:19:45,484 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:19:45,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:19:45,543 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:19:45,544 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:19:47,229 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:19:47,232 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (256)] Forceful destruction successful, exit code 0 [2024-11-08 23:19:47,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:19:47,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:19:47,237 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:19:47,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:19:47,237 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:19:47,237 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:19:47,238 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:19:47,239 INFO L229 MonitoredProcess]: Starting monitored process 257 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:19:47,241 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (257)] Waiting until timeout for monitored process [2024-11-08 23:19:47,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:19:47,622 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:19:47,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:19:47,660 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:19:47,662 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:19:49,187 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:19:49,196 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (257)] Ended with exit code 0 [2024-11-08 23:19:49,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:19:49,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:19:49,203 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:19:49,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:19:49,203 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:19:49,204 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:19:49,204 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:19:49,206 INFO L229 MonitoredProcess]: Starting monitored process 258 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:19:49,208 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (258)] Waiting until timeout for monitored process [2024-11-08 23:19:49,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:19:49,574 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:19:49,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:19:49,634 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:19:49,635 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:19:51,108 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:19:51,111 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (258)] Forceful destruction successful, exit code 0 [2024-11-08 23:19:51,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:19:51,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:19:51,115 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:19:51,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:19:51,115 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:19:51,115 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:19:51,115 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:19:51,116 INFO L229 MonitoredProcess]: Starting monitored process 259 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:19:51,118 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (259)] Waiting until timeout for monitored process [2024-11-08 23:19:51,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:19:51,501 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:19:51,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:19:51,538 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-08 23:19:51,539 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:19:53,203 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:19:53,206 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (259)] Forceful destruction successful, exit code 0 [2024-11-08 23:19:53,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:19:53,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:19:53,209 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:19:53,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:19:53,210 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:19:53,210 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:19:53,210 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:19:53,211 INFO L229 MonitoredProcess]: Starting monitored process 260 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:19:53,212 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (260)] Waiting until timeout for monitored process [2024-11-08 23:19:53,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:19:53,592 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:19:53,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:19:53,654 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:19:53,655 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:19:55,128 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:19:55,131 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (260)] Forceful destruction successful, exit code 0 [2024-11-08 23:19:55,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:19:55,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:19:55,134 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:19:55,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:19:55,134 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:19:55,134 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:19:55,135 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:19:55,135 INFO L229 MonitoredProcess]: Starting monitored process 261 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:19:55,136 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (261)] Waiting until timeout for monitored process [2024-11-08 23:19:55,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:19:55,513 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:19:55,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:19:55,577 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:19:55,578 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:19:57,085 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:19:57,088 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (261)] Forceful destruction successful, exit code 0 [2024-11-08 23:19:57,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:19:57,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:19:57,092 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:19:57,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:19:57,092 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:19:57,092 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:19:57,092 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:19:57,093 INFO L229 MonitoredProcess]: Starting monitored process 262 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:19:57,094 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (262)] Waiting until timeout for monitored process [2024-11-08 23:19:57,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:19:57,470 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:19:57,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:19:57,529 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:19:57,530 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:19:59,048 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:19:59,052 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (262)] Forceful destruction successful, exit code 0 [2024-11-08 23:19:59,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:19:59,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:19:59,055 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:19:59,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:19:59,055 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:19:59,055 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:19:59,055 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:19:59,056 INFO L229 MonitoredProcess]: Starting monitored process 263 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:19:59,057 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (263)] Waiting until timeout for monitored process [2024-11-08 23:19:59,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:19:59,441 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:19:59,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:19:59,490 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:19:59,491 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:20:01,026 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:20:01,029 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (263)] Forceful destruction successful, exit code 0 [2024-11-08 23:20:01,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:20:01,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:20:01,033 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:20:01,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:20:01,033 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:20:01,033 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:20:01,033 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:20:01,034 INFO L229 MonitoredProcess]: Starting monitored process 264 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:20:01,035 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (264)] Waiting until timeout for monitored process [2024-11-08 23:20:01,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:20:01,410 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:20:01,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:20:01,465 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:20:01,466 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:20:03,105 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:20:03,108 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (264)] Forceful destruction successful, exit code 0 [2024-11-08 23:20:03,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:20:03,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:20:03,111 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:20:03,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:20:03,111 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:20:03,111 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:20:03,111 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:20:03,112 INFO L229 MonitoredProcess]: Starting monitored process 265 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:20:03,113 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (265)] Waiting until timeout for monitored process [2024-11-08 23:20:03,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:20:03,501 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:20:03,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:20:03,555 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:20:03,556 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:20:05,092 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:20:05,095 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (265)] Forceful destruction successful, exit code 0 [2024-11-08 23:20:05,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:20:05,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:20:05,098 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:20:05,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:20:05,098 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:20:05,099 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:20:05,099 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:20:05,099 INFO L229 MonitoredProcess]: Starting monitored process 266 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:20:05,100 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (266)] Waiting until timeout for monitored process [2024-11-08 23:20:05,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:20:05,480 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:20:05,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:20:05,536 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:20:05,537 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:20:07,129 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:20:07,132 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (266)] Forceful destruction successful, exit code 0 [2024-11-08 23:20:07,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:20:07,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:20:07,135 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:20:07,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:20:07,135 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:20:07,135 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:20:07,136 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:20:07,136 INFO L229 MonitoredProcess]: Starting monitored process 267 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:20:07,138 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (267)] Waiting until timeout for monitored process [2024-11-08 23:20:07,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:20:07,510 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:20:07,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:20:07,552 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:20:07,553 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:20:09,091 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:20:09,094 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (267)] Forceful destruction successful, exit code 0 [2024-11-08 23:20:09,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:20:09,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:20:09,097 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:20:09,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:20:09,097 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:20:09,098 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:20:09,098 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:20:09,098 INFO L229 MonitoredProcess]: Starting monitored process 268 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:20:09,100 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (268)] Waiting until timeout for monitored process [2024-11-08 23:20:09,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:20:09,475 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:20:09,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:20:09,520 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:20:09,521 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:20:11,082 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:20:11,085 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (268)] Forceful destruction successful, exit code 0 [2024-11-08 23:20:11,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:20:11,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:20:11,089 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:20:11,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:20:11,090 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:20:11,090 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:20:11,090 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:20:11,091 INFO L229 MonitoredProcess]: Starting monitored process 269 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:20:11,092 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (269)] Waiting until timeout for monitored process [2024-11-08 23:20:11,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:20:11,464 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:20:11,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:20:11,518 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:20:11,519 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:20:13,113 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:20:13,116 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (269)] Ended with exit code 0 [2024-11-08 23:20:13,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:20:13,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:20:13,121 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:20:13,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:20:13,121 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:20:13,121 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:20:13,121 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:20:13,124 INFO L229 MonitoredProcess]: Starting monitored process 270 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:20:13,125 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (270)] Waiting until timeout for monitored process [2024-11-08 23:20:13,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:20:13,518 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:20:13,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:20:13,568 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:20:13,569 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:20:15,152 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:20:15,156 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (270)] Ended with exit code 0 [2024-11-08 23:20:15,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:20:15,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:20:15,159 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:20:15,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:20:15,159 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:20:15,159 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:20:15,159 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:20:15,160 INFO L229 MonitoredProcess]: Starting monitored process 271 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:20:15,161 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (271)] Waiting until timeout for monitored process [2024-11-08 23:20:15,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:20:15,552 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:20:15,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:20:15,609 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:20:15,610 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:20:17,103 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:20:17,106 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (271)] Forceful destruction successful, exit code 0 [2024-11-08 23:20:17,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:20:17,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:20:17,109 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:20:17,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:20:17,109 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:20:17,109 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:20:17,109 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:20:17,110 INFO L229 MonitoredProcess]: Starting monitored process 272 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:20:17,111 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (272)] Waiting until timeout for monitored process [2024-11-08 23:20:17,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:20:17,474 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:20:17,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:20:17,521 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:20:17,522 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:20:19,106 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:20:19,110 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (272)] Forceful destruction successful, exit code 0 [2024-11-08 23:20:19,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:20:19,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:20:19,114 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:20:19,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:20:19,114 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:20:19,114 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:20:19,115 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:20:19,115 INFO L229 MonitoredProcess]: Starting monitored process 273 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:20:19,116 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (273)] Waiting until timeout for monitored process [2024-11-08 23:20:19,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:20:19,503 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:20:19,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:20:19,562 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:20:19,563 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:20:21,158 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:20:21,161 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (273)] Forceful destruction successful, exit code 0 [2024-11-08 23:20:21,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:20:21,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:20:21,163 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:20:21,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:20:21,164 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:20:21,164 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:20:21,164 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:20:21,165 INFO L229 MonitoredProcess]: Starting monitored process 274 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:20:21,166 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (274)] Waiting until timeout for monitored process [2024-11-08 23:20:21,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:20:21,538 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:20:21,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:20:21,591 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:20:21,592 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:20:23,260 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:20:23,263 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (274)] Forceful destruction successful, exit code 0 [2024-11-08 23:20:23,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:20:23,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:20:23,267 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:20:23,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:20:23,267 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:20:23,267 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:20:23,267 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:20:23,268 INFO L229 MonitoredProcess]: Starting monitored process 275 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:20:23,269 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (275)] Waiting until timeout for monitored process [2024-11-08 23:20:23,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:20:23,650 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:20:23,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:20:23,689 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-08 23:20:23,690 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:20:25,303 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:20:25,306 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (275)] Forceful destruction successful, exit code 0 [2024-11-08 23:20:25,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:20:25,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:20:25,310 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:20:25,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:20:25,310 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:20:25,310 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:20:25,310 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:20:25,311 INFO L229 MonitoredProcess]: Starting monitored process 276 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:20:25,312 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (276)] Waiting until timeout for monitored process [2024-11-08 23:20:25,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:20:25,796 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:20:25,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:20:25,879 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:20:25,880 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:20:27,441 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:20:27,444 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (276)] Forceful destruction successful, exit code 0 [2024-11-08 23:20:27,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:20:27,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:20:27,448 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:20:27,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:20:27,448 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:20:27,448 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:20:27,448 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:20:27,449 INFO L229 MonitoredProcess]: Starting monitored process 277 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:20:27,450 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (277)] Waiting until timeout for monitored process [2024-11-08 23:20:27,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:20:27,807 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:20:27,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:20:27,844 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-08 23:20:27,845 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:20:29,371 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:20:29,376 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (277)] Ended with exit code 0 [2024-11-08 23:20:29,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:20:29,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:20:29,381 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:20:29,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:20:29,381 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:20:29,382 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:20:29,382 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:20:29,384 INFO L229 MonitoredProcess]: Starting monitored process 278 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:20:29,387 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (278)] Waiting until timeout for monitored process [2024-11-08 23:20:29,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:20:29,784 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:20:29,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:20:29,820 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:20:29,820 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:20:31,167 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:20:31,171 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (278)] Forceful destruction successful, exit code 0 [2024-11-08 23:20:31,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:20:31,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:20:31,173 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:20:31,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:20:31,173 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:20:31,174 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:20:31,174 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:20:31,174 INFO L229 MonitoredProcess]: Starting monitored process 279 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:20:31,175 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (279)] Waiting until timeout for monitored process [2024-11-08 23:20:31,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:20:31,532 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:20:31,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:20:31,589 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:20:31,590 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:20:33,365 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:20:33,369 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (279)] Forceful destruction successful, exit code 0 [2024-11-08 23:20:33,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:20:33,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:20:33,372 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:20:33,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:20:33,372 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:20:33,373 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:20:33,373 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:20:33,374 INFO L229 MonitoredProcess]: Starting monitored process 280 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:20:33,375 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (280)] Waiting until timeout for monitored process [2024-11-08 23:20:33,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:20:33,806 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:20:33,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:20:33,845 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-08 23:20:33,846 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:20:35,688 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:20:35,691 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (280)] Forceful destruction successful, exit code 0 [2024-11-08 23:20:35,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:20:35,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:20:35,695 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:20:35,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:20:35,695 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:20:35,695 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:20:35,695 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:20:35,696 INFO L229 MonitoredProcess]: Starting monitored process 281 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:20:35,697 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (281)] Waiting until timeout for monitored process [2024-11-08 23:20:36,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:20:36,092 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:20:36,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:20:36,131 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-08 23:20:36,132 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:20:37,827 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:20:37,830 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (281)] Forceful destruction successful, exit code 0 [2024-11-08 23:20:37,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:20:37,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:20:37,835 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:20:37,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:20:37,835 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:20:37,836 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:20:37,836 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:20:37,837 INFO L229 MonitoredProcess]: Starting monitored process 282 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:20:37,838 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (282)] Waiting until timeout for monitored process [2024-11-08 23:20:38,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:20:38,208 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:20:38,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:20:38,257 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:20:38,258 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:20:39,746 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:20:39,750 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (282)] Forceful destruction successful, exit code 0 [2024-11-08 23:20:39,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:20:39,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:20:39,753 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:20:39,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:20:39,753 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:20:39,753 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:20:39,753 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:20:39,754 INFO L229 MonitoredProcess]: Starting monitored process 283 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:20:39,756 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (283)] Waiting until timeout for monitored process [2024-11-08 23:20:40,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:20:40,151 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:20:40,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:20:40,199 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:20:40,200 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:20:41,722 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:20:41,726 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (283)] Forceful destruction successful, exit code 0 [2024-11-08 23:20:41,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:20:41,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:20:41,728 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:20:41,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:20:41,729 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:20:41,729 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:20:41,729 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:20:41,730 INFO L229 MonitoredProcess]: Starting monitored process 284 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:20:41,730 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (284)] Waiting until timeout for monitored process [2024-11-08 23:20:42,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:20:42,117 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:20:42,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:20:42,180 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:20:42,181 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:20:43,861 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:20:43,865 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (284)] Forceful destruction successful, exit code 0 [2024-11-08 23:20:43,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:20:43,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:20:43,867 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:20:43,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:20:43,868 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:20:43,868 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:20:43,868 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:20:43,869 INFO L229 MonitoredProcess]: Starting monitored process 285 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:20:43,870 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (285)] Waiting until timeout for monitored process [2024-11-08 23:20:44,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:20:44,265 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:20:44,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:20:44,314 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:20:44,315 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:20:45,753 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:20:45,757 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (285)] Forceful destruction successful, exit code 0 [2024-11-08 23:20:45,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:20:45,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:20:45,759 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:20:45,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:20:45,760 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:20:45,760 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:20:45,760 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:20:45,761 INFO L229 MonitoredProcess]: Starting monitored process 286 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:20:45,761 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (286)] Waiting until timeout for monitored process [2024-11-08 23:20:46,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:20:46,119 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:20:46,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:20:46,179 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:20:46,180 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:20:47,766 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:20:47,770 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (286)] Ended with exit code 0 [2024-11-08 23:20:47,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:20:47,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:20:47,772 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:20:47,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:20:47,772 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:20:47,773 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:20:47,773 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:20:47,773 INFO L229 MonitoredProcess]: Starting monitored process 287 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:20:47,774 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (287)] Waiting until timeout for monitored process [2024-11-08 23:20:48,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:20:48,172 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:20:48,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:20:48,212 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:20:48,213 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:20:49,790 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:20:49,794 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (287)] Forceful destruction successful, exit code 0 [2024-11-08 23:20:49,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:20:49,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:20:49,797 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:20:49,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:20:49,797 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:20:49,797 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:20:49,797 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:20:49,798 INFO L229 MonitoredProcess]: Starting monitored process 288 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:20:49,800 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (288)] Waiting until timeout for monitored process [2024-11-08 23:20:50,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:20:50,201 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:20:50,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:20:50,262 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:20:50,263 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:20:52,105 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:20:52,109 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (288)] Ended with exit code 0 [2024-11-08 23:20:52,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:20:52,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:20:52,114 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:20:52,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:20:52,114 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:20:52,114 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:20:52,114 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:20:52,115 INFO L229 MonitoredProcess]: Starting monitored process 289 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:20:52,116 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (289)] Waiting until timeout for monitored process [2024-11-08 23:20:52,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:20:52,512 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:20:52,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:20:52,596 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:20:52,598 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:20:54,262 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:20:54,265 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (289)] Forceful destruction successful, exit code 0 [2024-11-08 23:20:54,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:20:54,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:20:54,268 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:20:54,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:20:54,268 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:20:54,269 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:20:54,269 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:20:54,269 INFO L229 MonitoredProcess]: Starting monitored process 290 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:20:54,270 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (290)] Waiting until timeout for monitored process [2024-11-08 23:20:54,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:20:54,666 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:20:54,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:20:54,718 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:20:54,719 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:20:56,311 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:20:56,315 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (290)] Forceful destruction successful, exit code 0 [2024-11-08 23:20:56,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:20:56,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:20:56,318 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:20:56,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:20:56,318 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:20:56,318 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:20:56,319 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:20:56,319 INFO L229 MonitoredProcess]: Starting monitored process 291 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:20:56,321 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (291)] Waiting until timeout for monitored process [2024-11-08 23:20:56,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:20:56,676 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:20:56,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:20:56,746 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:20:56,746 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:20:58,332 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:20:58,335 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (291)] Forceful destruction successful, exit code 0 [2024-11-08 23:20:58,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:20:58,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:20:58,338 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:20:58,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:20:58,338 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:20:58,338 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:20:58,338 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:20:58,339 INFO L229 MonitoredProcess]: Starting monitored process 292 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:20:58,340 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (292)] Waiting until timeout for monitored process [2024-11-08 23:20:58,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:20:58,735 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:20:58,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:20:58,779 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:20:58,780 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:21:00,380 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:21:00,383 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (292)] Forceful destruction successful, exit code 0 [2024-11-08 23:21:00,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:21:00,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:21:00,386 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:21:00,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:21:00,386 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:21:00,386 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:21:00,386 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:21:00,388 INFO L229 MonitoredProcess]: Starting monitored process 293 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:21:00,390 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (293)] Waiting until timeout for monitored process [2024-11-08 23:21:00,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:21:00,787 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:21:00,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:21:00,825 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:21:00,826 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:21:02,427 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:21:02,431 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (293)] Forceful destruction successful, exit code 0 [2024-11-08 23:21:02,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:21:02,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:21:02,433 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:21:02,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:21:02,434 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:21:02,434 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:21:02,434 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:21:02,435 INFO L229 MonitoredProcess]: Starting monitored process 294 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:21:02,436 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (294)] Waiting until timeout for monitored process [2024-11-08 23:21:02,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:21:02,927 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:21:02,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:21:02,975 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:21:02,976 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:21:04,402 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:21:04,405 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (294)] Forceful destruction successful, exit code 0 [2024-11-08 23:21:04,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:21:04,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:21:04,408 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:21:04,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:21:04,408 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:21:04,408 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:21:04,408 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:21:04,409 INFO L229 MonitoredProcess]: Starting monitored process 295 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:21:04,410 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (295)] Waiting until timeout for monitored process [2024-11-08 23:21:04,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:21:04,802 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:21:04,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:21:04,852 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:21:04,853 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:21:06,440 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:21:06,444 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (295)] Ended with exit code 0 [2024-11-08 23:21:06,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:21:06,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:21:06,446 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:21:06,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:21:06,446 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:21:06,446 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:21:06,447 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:21:06,447 INFO L229 MonitoredProcess]: Starting monitored process 296 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:21:06,448 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (296)] Waiting until timeout for monitored process [2024-11-08 23:21:06,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:21:06,843 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:21:06,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:21:06,890 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:21:06,891 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:21:08,439 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:21:08,442 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (296)] Forceful destruction successful, exit code 0 [2024-11-08 23:21:08,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:21:08,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:21:08,450 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:21:08,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:21:08,450 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:21:08,450 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:21:08,450 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:21:08,451 INFO L229 MonitoredProcess]: Starting monitored process 297 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:21:08,452 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (297)] Waiting until timeout for monitored process [2024-11-08 23:21:08,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:21:08,856 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:21:08,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:21:08,907 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:21:08,908 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:21:10,514 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:21:10,518 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (297)] Forceful destruction successful, exit code 0 [2024-11-08 23:21:10,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:21:10,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:21:10,521 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:21:10,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:21:10,521 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:21:10,521 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:21:10,521 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:21:10,522 INFO L229 MonitoredProcess]: Starting monitored process 298 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:21:10,525 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (298)] Waiting until timeout for monitored process [2024-11-08 23:21:10,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:21:10,913 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:21:10,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:21:10,958 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:21:10,959 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:21:12,442 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:21:12,446 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (298)] Forceful destruction successful, exit code 0 [2024-11-08 23:21:12,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:21:12,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:21:12,449 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:21:12,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:21:12,449 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:21:12,449 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:21:12,449 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:21:12,450 INFO L229 MonitoredProcess]: Starting monitored process 299 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:21:12,451 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (299)] Waiting until timeout for monitored process [2024-11-08 23:21:12,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:21:12,922 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:21:12,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:21:12,976 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:21:12,977 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:21:14,594 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:21:14,597 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (299)] Ended with exit code 0 [2024-11-08 23:21:14,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:21:14,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:21:14,602 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:21:14,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:21:14,602 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:21:14,602 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:21:14,602 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:21:14,603 INFO L229 MonitoredProcess]: Starting monitored process 300 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:21:14,604 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (300)] Waiting until timeout for monitored process [2024-11-08 23:21:14,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:21:14,983 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:21:15,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:21:15,040 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-08 23:21:15,041 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:21:16,644 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:21:16,648 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (300)] Forceful destruction successful, exit code 0 [2024-11-08 23:21:16,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:21:16,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:21:16,651 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:21:16,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:21:16,651 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:21:16,652 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:21:16,652 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:21:16,652 INFO L229 MonitoredProcess]: Starting monitored process 301 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:21:16,657 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (301)] Waiting until timeout for monitored process [2024-11-08 23:21:17,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:21:17,035 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:21:17,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:21:17,104 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:21:17,105 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:21:18,909 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:21:18,913 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (301)] Forceful destruction successful, exit code 0 [2024-11-08 23:21:18,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:21:18,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:21:18,915 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:21:18,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:21:18,916 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:21:18,916 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:21:18,916 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:21:18,917 INFO L229 MonitoredProcess]: Starting monitored process 302 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:21:18,920 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (302)] Waiting until timeout for monitored process [2024-11-08 23:21:19,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:21:19,315 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:21:19,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:21:19,368 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-08 23:21:19,369 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:21:21,153 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:21:21,157 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (302)] Forceful destruction successful, exit code 0 [2024-11-08 23:21:21,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:21:21,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:21:21,160 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:21:21,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:21:21,160 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:21:21,160 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:21:21,160 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:21:21,161 INFO L229 MonitoredProcess]: Starting monitored process 303 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:21:21,163 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (303)] Waiting until timeout for monitored process [2024-11-08 23:21:21,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:21:21,550 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:21:21,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:21:21,609 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:21:21,610 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:21:23,179 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:21:23,185 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (303)] Ended with exit code 0 [2024-11-08 23:21:23,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:21:23,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:21:23,190 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:21:23,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:21:23,190 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:21:23,190 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:21:23,190 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:21:23,191 INFO L229 MonitoredProcess]: Starting monitored process 304 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:21:23,192 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (304)] Waiting until timeout for monitored process [2024-11-08 23:21:23,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:21:23,578 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:21:23,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:21:23,638 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:21:23,639 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:21:25,149 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:21:25,153 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (304)] Forceful destruction successful, exit code 0 [2024-11-08 23:21:25,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:21:25,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:21:25,155 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:21:25,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:21:25,156 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:21:25,156 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:21:25,156 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:21:25,157 INFO L229 MonitoredProcess]: Starting monitored process 305 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:21:25,158 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (305)] Waiting until timeout for monitored process [2024-11-08 23:21:25,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:21:25,554 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:21:25,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:21:25,623 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:21:25,624 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:21:27,196 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:21:27,199 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (305)] Forceful destruction successful, exit code 0 [2024-11-08 23:21:27,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:21:27,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:21:27,202 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:21:27,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:21:27,202 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:21:27,203 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:21:27,203 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:21:27,203 INFO L229 MonitoredProcess]: Starting monitored process 306 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:21:27,204 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (306)] Waiting until timeout for monitored process [2024-11-08 23:21:27,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:21:27,602 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:21:27,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:21:27,655 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:21:27,656 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:21:29,263 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:21:29,266 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (306)] Forceful destruction successful, exit code 0 [2024-11-08 23:21:29,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:21:29,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:21:29,269 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:21:29,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:21:29,269 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:21:29,270 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:21:29,270 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:21:29,270 INFO L229 MonitoredProcess]: Starting monitored process 307 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:21:29,271 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (307)] Waiting until timeout for monitored process [2024-11-08 23:21:29,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:21:29,658 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:21:29,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:21:29,697 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-08 23:21:29,698 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:21:31,393 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:21:31,397 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (307)] Forceful destruction successful, exit code 0 [2024-11-08 23:21:31,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:21:31,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:21:31,400 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:21:31,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:21:31,400 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:21:31,401 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:21:31,401 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:21:31,401 INFO L229 MonitoredProcess]: Starting monitored process 308 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:21:31,402 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (308)] Waiting until timeout for monitored process [2024-11-08 23:21:31,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:21:31,774 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:21:31,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:21:31,824 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:21:31,825 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:21:33,508 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:21:33,512 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (308)] Forceful destruction successful, exit code 0 [2024-11-08 23:21:33,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:21:33,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:21:33,515 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:21:33,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:21:33,515 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:21:33,515 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:21:33,515 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:21:33,516 INFO L229 MonitoredProcess]: Starting monitored process 309 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:21:33,517 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (309)] Waiting until timeout for monitored process [2024-11-08 23:21:33,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:21:33,892 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:21:33,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:21:33,930 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:21:33,930 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:21:35,541 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:21:35,545 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (309)] Forceful destruction successful, exit code 0 [2024-11-08 23:21:35,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:21:35,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:21:35,548 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:21:35,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:21:35,548 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:21:35,548 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:21:35,548 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:21:35,549 INFO L229 MonitoredProcess]: Starting monitored process 310 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:21:35,550 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (310)] Waiting until timeout for monitored process [2024-11-08 23:21:35,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:21:35,940 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:21:35,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:21:35,993 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-08 23:21:35,994 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:21:37,618 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:21:37,621 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (310)] Forceful destruction successful, exit code 0 [2024-11-08 23:21:37,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:21:37,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:21:37,624 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:21:37,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:21:37,624 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:21:37,624 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:21:37,624 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:21:37,625 INFO L229 MonitoredProcess]: Starting monitored process 311 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:21:37,626 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (311)] Waiting until timeout for monitored process [2024-11-08 23:21:38,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:21:38,012 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:21:38,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:21:38,051 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:21:38,051 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:21:39,714 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:21:39,717 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (311)] Forceful destruction successful, exit code 0 [2024-11-08 23:21:39,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:21:39,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:21:39,722 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:21:39,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:21:39,722 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:21:39,722 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:21:39,722 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:21:39,723 INFO L229 MonitoredProcess]: Starting monitored process 312 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:21:39,724 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (312)] Waiting until timeout for monitored process [2024-11-08 23:21:40,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:21:40,111 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:21:40,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:21:40,156 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:21:40,157 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:21:41,796 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:21:41,802 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (312)] Ended with exit code 0 [2024-11-08 23:21:41,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:21:41,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:21:41,806 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:21:41,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:21:41,807 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:21:41,807 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:21:41,807 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:21:41,811 INFO L229 MonitoredProcess]: Starting monitored process 313 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:21:41,815 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (313)] Waiting until timeout for monitored process [2024-11-08 23:21:42,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:21:42,245 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:21:42,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:21:42,284 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:21:42,286 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:21:44,044 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:21:44,048 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (313)] Forceful destruction successful, exit code 0 [2024-11-08 23:21:44,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:21:44,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:21:44,050 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:21:44,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:21:44,051 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:21:44,051 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:21:44,051 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:21:44,051 INFO L229 MonitoredProcess]: Starting monitored process 314 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:21:44,053 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (314)] Waiting until timeout for monitored process [2024-11-08 23:21:44,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:21:44,422 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:21:44,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:21:44,461 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-08 23:21:44,462 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:21:46,105 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:21:46,109 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (314)] Forceful destruction successful, exit code 0 [2024-11-08 23:21:46,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:21:46,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:21:46,112 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:21:46,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:21:46,113 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:21:46,113 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:21:46,113 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:21:46,114 INFO L229 MonitoredProcess]: Starting monitored process 315 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:21:46,114 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (315)] Waiting until timeout for monitored process [2024-11-08 23:21:46,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:21:46,483 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:21:46,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:21:46,520 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:21:46,520 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:21:47,916 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:21:47,920 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (315)] Forceful destruction successful, exit code 0 [2024-11-08 23:21:47,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:21:47,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:21:47,924 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:21:47,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:21:47,924 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:21:47,924 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:21:47,925 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:21:47,925 INFO L229 MonitoredProcess]: Starting monitored process 316 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:21:47,926 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (316)] Waiting until timeout for monitored process [2024-11-08 23:21:48,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:21:48,304 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:21:48,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:21:48,342 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-08 23:21:48,343 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:21:50,040 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:21:50,044 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (316)] Forceful destruction successful, exit code 0 [2024-11-08 23:21:50,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:21:50,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:21:50,047 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:21:50,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:21:50,047 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:21:50,047 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:21:50,047 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:21:50,048 INFO L229 MonitoredProcess]: Starting monitored process 317 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:21:50,049 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (317)] Waiting until timeout for monitored process [2024-11-08 23:21:50,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:21:50,435 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:21:50,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:21:50,484 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:21:50,485 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:21:52,073 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:21:52,076 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (317)] Forceful destruction successful, exit code 0 [2024-11-08 23:21:52,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:21:52,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:21:52,080 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:21:52,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:21:52,080 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:21:52,080 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:21:52,081 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:21:52,081 INFO L229 MonitoredProcess]: Starting monitored process 318 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:21:52,082 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (318)] Waiting until timeout for monitored process [2024-11-08 23:21:52,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:21:52,474 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:21:52,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:21:52,553 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:21:52,554 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:21:54,139 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:21:54,142 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (318)] Forceful destruction successful, exit code 0 [2024-11-08 23:21:54,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:21:54,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:21:54,145 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:21:54,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:21:54,145 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:21:54,146 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:21:54,146 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:21:54,146 INFO L229 MonitoredProcess]: Starting monitored process 319 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:21:54,147 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (319)] Waiting until timeout for monitored process [2024-11-08 23:21:54,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:21:54,535 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:21:54,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:21:54,577 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:21:54,578 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:21:56,138 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:21:56,141 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (319)] Forceful destruction successful, exit code 0 [2024-11-08 23:21:56,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:21:56,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:21:56,144 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:21:56,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:21:56,145 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:21:56,145 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:21:56,145 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:21:56,146 INFO L229 MonitoredProcess]: Starting monitored process 320 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:21:56,147 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (320)] Waiting until timeout for monitored process [2024-11-08 23:21:56,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:21:56,547 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:21:56,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:21:56,599 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:21:56,599 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:21:58,051 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:21:58,055 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (320)] Forceful destruction successful, exit code 0 [2024-11-08 23:21:58,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:21:58,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:21:58,059 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:21:58,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:21:58,059 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:21:58,059 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:21:58,059 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:21:58,060 INFO L229 MonitoredProcess]: Starting monitored process 321 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:21:58,061 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (321)] Waiting until timeout for monitored process [2024-11-08 23:21:58,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:21:58,433 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:21:58,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:21:58,486 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:21:58,487 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:22:00,056 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:22:00,059 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (321)] Forceful destruction successful, exit code 0 [2024-11-08 23:22:00,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:22:00,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:22:00,063 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:22:00,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:22:00,064 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:22:00,064 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:22:00,064 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:22:00,065 INFO L229 MonitoredProcess]: Starting monitored process 322 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:22:00,066 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (322)] Waiting until timeout for monitored process [2024-11-08 23:22:00,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:00,436 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:22:00,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:00,483 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:22:00,485 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:22:01,951 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:22:01,955 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (322)] Ended with exit code 0 [2024-11-08 23:22:01,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:22:01,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:22:01,958 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:22:01,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:22:01,958 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:22:01,958 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:22:01,958 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:22:01,959 INFO L229 MonitoredProcess]: Starting monitored process 323 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:22:01,960 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (323)] Waiting until timeout for monitored process [2024-11-08 23:22:02,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:02,347 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:22:02,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:02,386 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:22:02,387 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:22:04,029 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:22:04,033 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (323)] Forceful destruction successful, exit code 0 [2024-11-08 23:22:04,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:22:04,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:22:04,035 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:22:04,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:22:04,036 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:22:04,036 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:22:04,036 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:22:04,037 INFO L229 MonitoredProcess]: Starting monitored process 324 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:22:04,038 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (324)] Waiting until timeout for monitored process [2024-11-08 23:22:04,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:04,422 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:22:04,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:04,475 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:22:04,475 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:22:06,044 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:22:06,047 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (324)] Forceful destruction successful, exit code 0 [2024-11-08 23:22:06,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:22:06,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:22:06,050 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:22:06,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:22:06,050 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:22:06,050 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:22:06,050 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:22:06,051 INFO L229 MonitoredProcess]: Starting monitored process 325 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:22:06,052 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (325)] Waiting until timeout for monitored process [2024-11-08 23:22:06,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:06,441 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:22:06,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:06,478 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:22:06,479 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:22:08,037 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:22:08,041 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (325)] Forceful destruction successful, exit code 0 [2024-11-08 23:22:08,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:22:08,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:22:08,044 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:22:08,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:22:08,044 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:22:08,044 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:22:08,044 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:22:08,046 INFO L229 MonitoredProcess]: Starting monitored process 326 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:22:08,049 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (326)] Waiting until timeout for monitored process [2024-11-08 23:22:08,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:08,452 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:22:08,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:08,490 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:22:08,491 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:22:10,101 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:22:10,104 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (326)] Forceful destruction successful, exit code 0 [2024-11-08 23:22:10,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:22:10,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:22:10,107 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:22:10,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:22:10,107 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:22:10,108 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:22:10,108 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:22:10,109 INFO L229 MonitoredProcess]: Starting monitored process 327 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:22:10,110 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (327)] Waiting until timeout for monitored process [2024-11-08 23:22:10,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:10,511 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:22:10,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:10,548 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:22:10,549 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:22:12,024 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:22:12,027 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (327)] Forceful destruction successful, exit code 0 [2024-11-08 23:22:12,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:22:12,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:22:12,031 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:22:12,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:22:12,031 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:22:12,031 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:22:12,031 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:22:12,032 INFO L229 MonitoredProcess]: Starting monitored process 328 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:22:12,033 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (328)] Waiting until timeout for monitored process [2024-11-08 23:22:12,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:12,405 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:22:12,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:12,443 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:22:12,443 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:22:13,943 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:22:13,947 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (328)] Forceful destruction successful, exit code 0 [2024-11-08 23:22:13,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:22:13,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:22:13,950 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:22:13,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:22:13,950 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:22:13,950 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:22:13,950 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:22:13,951 INFO L229 MonitoredProcess]: Starting monitored process 329 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:22:13,952 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (329)] Waiting until timeout for monitored process [2024-11-08 23:22:14,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:14,320 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:22:14,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:14,364 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:22:14,365 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:22:15,957 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:22:15,960 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (329)] Forceful destruction successful, exit code 0 [2024-11-08 23:22:15,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:22:15,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:22:15,963 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:22:15,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:22:15,963 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:22:15,963 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:22:15,963 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:22:15,964 INFO L229 MonitoredProcess]: Starting monitored process 330 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:22:15,966 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (330)] Waiting until timeout for monitored process [2024-11-08 23:22:16,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:16,353 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:22:16,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:16,402 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:22:16,404 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:22:17,952 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:22:17,955 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (330)] Forceful destruction successful, exit code 0 [2024-11-08 23:22:17,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:22:17,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:22:17,959 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:22:17,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:22:17,960 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:22:17,960 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:22:17,960 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:22:17,962 INFO L229 MonitoredProcess]: Starting monitored process 331 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:22:17,963 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (331)] Waiting until timeout for monitored process [2024-11-08 23:22:18,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:18,355 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:22:18,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:18,393 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:22:18,393 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:22:19,895 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:22:19,899 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (331)] Forceful destruction successful, exit code 0 [2024-11-08 23:22:19,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:22:19,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:22:19,902 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:22:19,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:22:19,902 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:22:19,902 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:22:19,902 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:22:19,903 INFO L229 MonitoredProcess]: Starting monitored process 332 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:22:19,904 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (332)] Waiting until timeout for monitored process [2024-11-08 23:22:20,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:20,295 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:22:20,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:20,345 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:22:20,346 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:22:21,956 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:22:21,960 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (332)] Ended with exit code 0 [2024-11-08 23:22:21,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:22:21,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:22:21,963 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:22:21,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:22:21,964 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:22:21,964 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:22:21,964 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:22:21,967 INFO L229 MonitoredProcess]: Starting monitored process 333 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:22:21,971 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (333)] Waiting until timeout for monitored process [2024-11-08 23:22:22,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:22,361 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:22:22,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:22,418 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:22:22,419 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:22:24,237 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:22:24,241 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (333)] Forceful destruction successful, exit code 0 [2024-11-08 23:22:24,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:22:24,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:22:24,244 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:22:24,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:22:24,244 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:22:24,244 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:22:24,244 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:22:24,245 INFO L229 MonitoredProcess]: Starting monitored process 334 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:22:24,246 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (334)] Waiting until timeout for monitored process [2024-11-08 23:22:24,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:24,647 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:22:24,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:24,698 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:22:24,699 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:22:26,247 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:22:26,250 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (334)] Forceful destruction successful, exit code 0 [2024-11-08 23:22:26,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:22:26,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:22:26,253 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:22:26,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:22:26,253 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:22:26,254 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:22:26,254 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:22:26,254 INFO L229 MonitoredProcess]: Starting monitored process 335 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:22:26,255 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (335)] Waiting until timeout for monitored process [2024-11-08 23:22:26,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:26,629 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:22:26,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:26,672 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-08 23:22:26,673 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:22:28,248 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:22:28,252 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (335)] Forceful destruction successful, exit code 0 [2024-11-08 23:22:28,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:22:28,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:22:28,255 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:22:28,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:22:28,255 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:22:28,256 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:22:28,256 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:22:28,256 INFO L229 MonitoredProcess]: Starting monitored process 336 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:22:28,257 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (336)] Waiting until timeout for monitored process [2024-11-08 23:22:28,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:28,626 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:22:28,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:28,669 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:22:28,670 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:22:30,193 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:22:30,196 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (336)] Forceful destruction successful, exit code 0 [2024-11-08 23:22:30,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:22:30,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:22:30,199 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:22:30,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:22:30,199 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:22:30,200 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:22:30,200 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:22:30,200 INFO L229 MonitoredProcess]: Starting monitored process 337 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:22:30,201 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (337)] Waiting until timeout for monitored process [2024-11-08 23:22:30,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:30,591 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:22:30,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:30,654 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:22:30,655 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:22:32,209 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:22:32,213 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (337)] Forceful destruction successful, exit code 0 [2024-11-08 23:22:32,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:22:32,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:22:32,217 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:22:32,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:22:32,217 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:22:32,217 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:22:32,217 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:22:32,219 INFO L229 MonitoredProcess]: Starting monitored process 338 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:22:32,220 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (338)] Waiting until timeout for monitored process [2024-11-08 23:22:32,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:32,682 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:22:32,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:32,736 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-08 23:22:32,737 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:22:34,437 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:22:34,440 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (338)] Forceful destruction successful, exit code 0 [2024-11-08 23:22:34,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:22:34,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:22:34,444 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:22:34,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:22:34,444 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:22:34,445 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:22:34,445 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:22:34,447 INFO L229 MonitoredProcess]: Starting monitored process 339 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:22:34,448 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (339)] Waiting until timeout for monitored process [2024-11-08 23:22:34,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:34,863 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:22:34,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:34,905 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-08 23:22:34,905 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:22:36,736 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:22:36,739 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (339)] Forceful destruction successful, exit code 0 [2024-11-08 23:22:36,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:22:36,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:22:36,745 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:22:36,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:22:36,745 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:22:36,745 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:22:36,745 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:22:36,746 INFO L229 MonitoredProcess]: Starting monitored process 340 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:22:36,747 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (340)] Waiting until timeout for monitored process [2024-11-08 23:22:37,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:37,146 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:22:37,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:37,212 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:22:37,213 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:22:38,728 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:22:38,732 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (340)] Forceful destruction successful, exit code 0 [2024-11-08 23:22:38,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:22:38,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:22:38,735 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:22:38,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:22:38,735 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:22:38,735 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:22:38,735 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:22:38,736 INFO L229 MonitoredProcess]: Starting monitored process 341 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:22:38,737 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (341)] Waiting until timeout for monitored process [2024-11-08 23:22:39,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:39,138 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:22:39,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:39,195 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:22:39,196 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:22:40,792 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:22:40,795 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (341)] Forceful destruction successful, exit code 0 [2024-11-08 23:22:40,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:22:40,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:22:40,798 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:22:40,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:22:40,798 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:22:40,798 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:22:40,799 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:22:40,799 INFO L229 MonitoredProcess]: Starting monitored process 342 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:22:40,800 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (342)] Waiting until timeout for monitored process [2024-11-08 23:22:41,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:41,168 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:22:41,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:41,219 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:22:41,220 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:22:42,606 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:22:42,610 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (342)] Forceful destruction successful, exit code 0 [2024-11-08 23:22:42,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:22:42,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:22:42,612 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:22:42,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:22:42,613 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:22:42,613 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:22:42,613 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:22:42,614 INFO L229 MonitoredProcess]: Starting monitored process 343 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:22:42,615 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (343)] Waiting until timeout for monitored process [2024-11-08 23:22:43,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:43,015 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:22:43,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:43,064 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:22:43,065 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:22:44,558 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:22:44,562 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (343)] Forceful destruction successful, exit code 0 [2024-11-08 23:22:44,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:22:44,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:22:44,565 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:22:44,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:22:44,565 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:22:44,565 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:22:44,566 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:22:44,566 INFO L229 MonitoredProcess]: Starting monitored process 344 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:22:44,567 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (344)] Waiting until timeout for monitored process [2024-11-08 23:22:44,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:44,956 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:22:45,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:45,016 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:22:45,016 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:22:46,594 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:22:46,598 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (344)] Forceful destruction successful, exit code 0 [2024-11-08 23:22:46,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:22:46,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:22:46,601 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:22:46,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:22:46,601 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:22:46,601 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:22:46,601 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:22:46,602 INFO L229 MonitoredProcess]: Starting monitored process 345 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:22:46,603 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (345)] Waiting until timeout for monitored process [2024-11-08 23:22:46,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:46,992 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:22:47,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:47,047 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-08 23:22:47,048 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:22:48,804 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:22:48,807 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (345)] Forceful destruction successful, exit code 0 [2024-11-08 23:22:48,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:22:48,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:22:48,811 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:22:48,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:22:48,811 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:22:48,811 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:22:48,811 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:22:48,812 INFO L229 MonitoredProcess]: Starting monitored process 346 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:22:48,813 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (346)] Waiting until timeout for monitored process [2024-11-08 23:22:49,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:49,200 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:22:49,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:49,260 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:22:49,261 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:22:50,865 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:22:50,869 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (346)] Forceful destruction successful, exit code 0 [2024-11-08 23:22:50,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:22:50,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:22:50,872 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:22:50,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:22:50,872 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:22:50,872 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:22:50,872 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:22:50,875 INFO L229 MonitoredProcess]: Starting monitored process 347 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:22:50,875 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (347)] Waiting until timeout for monitored process [2024-11-08 23:22:51,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:51,278 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:22:51,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:51,339 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:22:51,340 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:22:52,995 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:22:53,000 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (347)] Forceful destruction successful, exit code 0 [2024-11-08 23:22:53,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:22:53,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:22:53,005 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:22:53,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:22:53,005 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:22:53,005 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:22:53,005 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:22:53,008 INFO L229 MonitoredProcess]: Starting monitored process 348 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:22:53,009 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (348)] Waiting until timeout for monitored process [2024-11-08 23:22:53,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:53,460 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:22:53,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:53,533 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:22:53,534 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:22:55,044 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:22:55,047 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (348)] Ended with exit code 0 [2024-11-08 23:22:55,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:22:55,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:22:55,050 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:22:55,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:22:55,050 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:22:55,050 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:22:55,050 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:22:55,051 INFO L229 MonitoredProcess]: Starting monitored process 349 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:22:55,052 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (349)] Waiting until timeout for monitored process [2024-11-08 23:22:55,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:55,420 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:22:55,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:55,468 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:22:55,469 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:22:56,885 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:22:56,889 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (349)] Forceful destruction successful, exit code 0 [2024-11-08 23:22:56,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:22:56,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:22:56,891 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:22:56,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:22:56,892 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:22:56,892 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:22:56,892 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:22:56,893 INFO L229 MonitoredProcess]: Starting monitored process 350 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:22:56,894 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (350)] Waiting until timeout for monitored process [2024-11-08 23:22:57,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:57,262 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:22:57,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:57,313 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:22:57,313 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:22:58,785 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:22:58,789 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (350)] Forceful destruction successful, exit code 0 [2024-11-08 23:22:58,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:22:58,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:22:58,791 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:22:58,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:22:58,792 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:22:58,792 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:22:58,792 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:22:58,793 INFO L229 MonitoredProcess]: Starting monitored process 351 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:22:58,794 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (351)] Waiting until timeout for monitored process [2024-11-08 23:22:59,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:59,184 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:22:59,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:59,229 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:22:59,230 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:23:00,802 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:23:00,806 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (351)] Forceful destruction successful, exit code 0 [2024-11-08 23:23:00,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:23:00,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:23:00,809 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:23:00,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:23:00,809 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:23:00,809 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:23:00,809 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:23:00,810 INFO L229 MonitoredProcess]: Starting monitored process 352 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:23:00,811 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (352)] Waiting until timeout for monitored process [2024-11-08 23:23:01,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:23:01,196 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:23:01,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:23:01,255 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:23:01,256 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:23:02,855 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:23:02,858 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (352)] Forceful destruction successful, exit code 0 [2024-11-08 23:23:02,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:23:02,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:23:02,861 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:23:02,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:23:02,862 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:23:02,862 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:23:02,862 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:23:02,863 INFO L229 MonitoredProcess]: Starting monitored process 353 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:23:02,864 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (353)] Waiting until timeout for monitored process [2024-11-08 23:23:03,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:23:03,259 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:23:03,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:23:03,297 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:23:03,298 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:23:04,870 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:23:04,874 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (353)] Forceful destruction successful, exit code 0 [2024-11-08 23:23:04,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:23:04,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:23:04,876 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:23:04,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:23:04,877 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:23:04,877 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:23:04,877 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:23:04,878 INFO L229 MonitoredProcess]: Starting monitored process 354 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:23:04,879 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (354)] Waiting until timeout for monitored process [2024-11-08 23:23:05,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:23:05,267 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:23:05,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:23:05,305 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:23:05,306 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:23:06,851 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:23:06,855 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (354)] Ended with exit code 0 [2024-11-08 23:23:06,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:23:06,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:23:06,858 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:23:06,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:23:06,858 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:23:06,858 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:23:06,858 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:23:06,859 INFO L229 MonitoredProcess]: Starting monitored process 355 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:23:06,861 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (355)] Waiting until timeout for monitored process [2024-11-08 23:23:07,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:23:07,252 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:23:07,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:23:07,314 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:23:07,315 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:23:09,052 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:23:09,056 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (355)] Forceful destruction successful, exit code 0 [2024-11-08 23:23:09,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:23:09,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:23:09,059 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:23:09,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:23:09,059 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:23:09,060 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:23:09,060 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:23:09,061 INFO L229 MonitoredProcess]: Starting monitored process 356 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:23:09,062 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (356)] Waiting until timeout for monitored process [2024-11-08 23:23:09,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:23:09,441 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:23:09,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:23:09,491 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:23:09,492 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:23:10,950 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:23:10,953 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (356)] Forceful destruction successful, exit code 0 [2024-11-08 23:23:10,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:23:10,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:23:10,956 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:23:10,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:23:10,956 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:23:10,956 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:23:10,956 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:23:10,957 INFO L229 MonitoredProcess]: Starting monitored process 357 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:23:10,959 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (357)] Waiting until timeout for monitored process [2024-11-08 23:23:11,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:23:11,326 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:23:11,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:23:11,389 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:23:11,390 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:23:12,891 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:23:12,895 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (357)] Forceful destruction successful, exit code 0 [2024-11-08 23:23:12,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:23:12,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:23:12,898 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:23:12,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:23:12,898 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:23:12,898 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:23:12,898 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:23:12,899 INFO L229 MonitoredProcess]: Starting monitored process 358 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:23:12,900 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (358)] Waiting until timeout for monitored process [2024-11-08 23:23:13,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:23:13,274 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:23:13,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:23:13,312 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:23:13,313 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:23:14,738 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:23:14,742 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (358)] Forceful destruction successful, exit code 0 [2024-11-08 23:23:14,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:23:14,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:23:14,745 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:23:14,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:23:14,746 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:23:14,746 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:23:14,746 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:23:14,747 INFO L229 MonitoredProcess]: Starting monitored process 359 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:23:14,747 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (359)] Waiting until timeout for monitored process [2024-11-08 23:23:15,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:23:15,135 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:23:15,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:23:15,173 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:23:15,174 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:23:16,789 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:23:16,792 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (359)] Ended with exit code 0 [2024-11-08 23:23:16,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:23:16,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:23:16,795 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:23:16,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:23:16,795 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:23:16,795 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:23:16,795 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:23:16,798 INFO L229 MonitoredProcess]: Starting monitored process 360 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:23:16,799 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (360)] Waiting until timeout for monitored process [2024-11-08 23:23:17,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:23:17,188 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:23:17,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:23:17,263 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:23:17,264 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:23:18,828 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:23:18,831 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (360)] Forceful destruction successful, exit code 0 [2024-11-08 23:23:18,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:23:18,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:23:18,838 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:23:18,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:23:18,838 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:23:18,838 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:23:18,838 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:23:18,839 INFO L229 MonitoredProcess]: Starting monitored process 361 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:23:18,840 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (361)] Waiting until timeout for monitored process [2024-11-08 23:23:19,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:23:19,230 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:23:19,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:23:19,275 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:23:19,276 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:23:20,834 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:23:20,837 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (361)] Forceful destruction successful, exit code 0 [2024-11-08 23:23:20,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:23:20,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:23:20,842 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:23:20,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:23:20,843 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:23:20,843 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:23:20,843 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:23:20,845 INFO L229 MonitoredProcess]: Starting monitored process 362 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:23:20,849 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (362)] Waiting until timeout for monitored process [2024-11-08 23:23:21,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:23:21,248 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:23:21,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:23:21,301 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:23:21,302 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:23:23,027 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:23:23,030 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (362)] Ended with exit code 0 [2024-11-08 23:23:23,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:23:23,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:23:23,034 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:23:23,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:23:23,034 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:23:23,034 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:23:23,034 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:23:23,035 INFO L229 MonitoredProcess]: Starting monitored process 363 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:23:23,036 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (363)] Waiting until timeout for monitored process [2024-11-08 23:23:23,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:23:23,453 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:23:23,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:23:23,509 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:23:23,510 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:23:25,038 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:23:25,042 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (363)] Forceful destruction successful, exit code 0 [2024-11-08 23:23:25,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:23:25,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:23:25,044 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:23:25,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:23:25,045 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:23:25,045 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:23:25,045 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:23:25,046 INFO L229 MonitoredProcess]: Starting monitored process 364 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:23:25,046 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (364)] Waiting until timeout for monitored process [2024-11-08 23:23:25,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:23:25,422 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:23:25,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:23:25,460 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-08 23:23:25,461 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:23:27,135 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:23:27,139 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (364)] Forceful destruction successful, exit code 0 [2024-11-08 23:23:27,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:23:27,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:23:27,145 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:23:27,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:23:27,145 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:23:27,146 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:23:27,146 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:23:27,146 INFO L229 MonitoredProcess]: Starting monitored process 365 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:23:27,147 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (365)] Waiting until timeout for monitored process [2024-11-08 23:23:27,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:23:27,516 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:23:27,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:23:27,560 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:23:27,561 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:23:29,095 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:23:29,099 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (365)] Forceful destruction successful, exit code 0 [2024-11-08 23:23:29,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:23:29,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:23:29,103 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:23:29,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:23:29,103 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:23:29,103 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:23:29,103 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:23:29,104 INFO L229 MonitoredProcess]: Starting monitored process 366 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:23:29,109 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (366)] Waiting until timeout for monitored process [2024-11-08 23:23:29,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:23:29,498 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:23:29,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:23:29,544 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:23:29,545 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:23:31,159 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:23:31,162 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (366)] Forceful destruction successful, exit code 0 [2024-11-08 23:23:31,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:23:31,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:23:31,166 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:23:31,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:23:31,166 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:23:31,166 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:23:31,166 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:23:31,167 INFO L229 MonitoredProcess]: Starting monitored process 367 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:23:31,168 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (367)] Waiting until timeout for monitored process [2024-11-08 23:23:31,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:23:31,557 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:23:31,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:23:31,594 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:23:31,594 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:23:33,208 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:23:33,212 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (367)] Ended with exit code 0 [2024-11-08 23:23:33,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:23:33,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:23:33,215 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:23:33,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:23:33,215 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:23:33,215 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:23:33,215 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:23:33,216 INFO L229 MonitoredProcess]: Starting monitored process 368 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:23:33,217 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (368)] Waiting until timeout for monitored process [2024-11-08 23:23:33,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:23:33,606 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:23:33,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:23:33,667 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-08 23:23:33,668 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:23:35,341 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:23:35,344 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (368)] Forceful destruction successful, exit code 0 [2024-11-08 23:23:35,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:23:35,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:23:35,347 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:23:35,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:23:35,348 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:23:35,348 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:23:35,348 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:23:35,349 INFO L229 MonitoredProcess]: Starting monitored process 369 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:23:35,350 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (369)] Waiting until timeout for monitored process [2024-11-08 23:23:35,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:23:35,886 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:23:35,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:23:35,926 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:23:35,926 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:23:37,391 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:23:37,395 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (369)] Forceful destruction successful, exit code 0 [2024-11-08 23:23:37,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:23:37,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:23:37,397 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:23:37,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:23:37,398 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:23:37,398 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:23:37,398 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:23:37,400 INFO L229 MonitoredProcess]: Starting monitored process 370 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:23:37,403 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (370)] Waiting until timeout for monitored process [2024-11-08 23:23:37,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:23:37,786 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:23:37,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:23:37,827 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:23:37,828 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:23:39,365 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:23:39,369 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (370)] Forceful destruction successful, exit code 0 [2024-11-08 23:23:39,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:23:39,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:23:39,372 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:23:39,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:23:39,372 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:23:39,372 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:23:39,372 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:23:39,374 INFO L229 MonitoredProcess]: Starting monitored process 371 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:23:39,376 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (371)] Waiting until timeout for monitored process [2024-11-08 23:23:39,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:23:39,750 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:23:39,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:23:39,803 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:23:39,804 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:23:41,307 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:23:41,311 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (371)] Forceful destruction successful, exit code 0 [2024-11-08 23:23:41,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:23:41,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:23:41,314 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:23:41,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:23:41,315 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:23:41,315 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:23:41,315 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:23:41,316 INFO L229 MonitoredProcess]: Starting monitored process 372 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:23:41,317 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (372)] Waiting until timeout for monitored process [2024-11-08 23:23:41,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:23:41,708 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:23:41,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:23:41,761 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:23:41,767 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:23:43,279 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:23:43,283 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (372)] Forceful destruction successful, exit code 0 [2024-11-08 23:23:43,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:23:43,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:23:43,286 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:23:43,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:23:43,287 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:23:43,287 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:23:43,287 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:23:43,288 INFO L229 MonitoredProcess]: Starting monitored process 373 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:23:43,289 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (373)] Waiting until timeout for monitored process [2024-11-08 23:23:43,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:23:43,672 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:23:43,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:23:43,724 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:23:43,725 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:23:45,415 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:23:45,419 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (373)] Forceful destruction successful, exit code 0 [2024-11-08 23:23:45,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:23:45,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:23:45,423 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:23:45,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:23:45,423 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:23:45,423 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:23:45,423 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:23:45,424 INFO L229 MonitoredProcess]: Starting monitored process 374 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:23:45,425 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (374)] Waiting until timeout for monitored process [2024-11-08 23:23:45,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:23:45,815 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:23:45,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:23:45,866 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:23:45,867 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:23:47,450 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:23:47,454 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (374)] Forceful destruction successful, exit code 0 [2024-11-08 23:23:47,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:23:47,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:23:47,456 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:23:47,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:23:47,457 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:23:47,457 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:23:47,457 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:23:47,458 INFO L229 MonitoredProcess]: Starting monitored process 375 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:23:47,458 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (375)] Waiting until timeout for monitored process [2024-11-08 23:23:47,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:23:47,847 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:23:47,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:23:47,904 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:23:47,905 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:23:49,506 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:23:49,510 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (375)] Forceful destruction successful, exit code 0 [2024-11-08 23:23:49,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:23:49,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:23:49,514 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:23:49,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:23:49,514 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:23:49,514 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:23:49,515 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:23:49,515 INFO L229 MonitoredProcess]: Starting monitored process 376 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:23:49,516 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (376)] Waiting until timeout for monitored process [2024-11-08 23:23:49,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:23:49,914 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:23:49,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:23:49,965 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:23:49,966 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:23:51,503 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:23:51,507 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (376)] Forceful destruction successful, exit code 0 [2024-11-08 23:23:51,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:23:51,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:23:51,509 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:23:51,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:23:51,510 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:23:51,510 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:23:51,510 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:23:51,510 INFO L229 MonitoredProcess]: Starting monitored process 377 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:23:51,512 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (377)] Waiting until timeout for monitored process [2024-11-08 23:23:51,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:23:51,883 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:23:51,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:23:51,950 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:23:51,950 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:23:53,515 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:23:53,518 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (377)] Forceful destruction successful, exit code 0 [2024-11-08 23:23:53,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:23:53,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:23:53,523 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:23:53,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:23:53,523 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:23:53,523 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:23:53,523 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:23:53,524 INFO L229 MonitoredProcess]: Starting monitored process 378 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:23:53,525 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (378)] Waiting until timeout for monitored process [2024-11-08 23:23:53,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:23:53,893 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:23:53,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:23:53,944 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:23:53,945 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:23:55,393 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:23:55,396 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (378)] Forceful destruction successful, exit code 0 [2024-11-08 23:23:55,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:23:55,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:23:55,399 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:23:55,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:23:55,399 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:23:55,399 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:23:55,400 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:23:55,400 INFO L229 MonitoredProcess]: Starting monitored process 379 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:23:55,402 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (379)] Waiting until timeout for monitored process [2024-11-08 23:23:55,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:23:55,787 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:23:55,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:23:55,825 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:23:55,825 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:23:57,270 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:23:57,273 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (379)] Ended with exit code 0 [2024-11-08 23:23:57,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:23:57,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:23:57,276 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:23:57,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:23:57,276 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:23:57,276 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:23:57,276 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:23:57,277 INFO L229 MonitoredProcess]: Starting monitored process 380 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:23:57,278 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (380)] Waiting until timeout for monitored process [2024-11-08 23:23:57,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:23:57,666 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:23:57,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:23:57,712 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:23:57,713 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:23:59,252 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:23:59,256 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (380)] Forceful destruction successful, exit code 0 [2024-11-08 23:23:59,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:23:59,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:23:59,258 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:23:59,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:23:59,259 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:23:59,259 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:23:59,259 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:23:59,260 INFO L229 MonitoredProcess]: Starting monitored process 381 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:23:59,260 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (381)] Waiting until timeout for monitored process [2024-11-08 23:23:59,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:23:59,653 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:23:59,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:23:59,700 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:23:59,701 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:24:01,309 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:24:01,313 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (381)] Forceful destruction successful, exit code 0 [2024-11-08 23:24:01,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:24:01,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:24:01,315 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:24:01,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:24:01,316 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:24:01,316 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:24:01,316 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:24:01,317 INFO L229 MonitoredProcess]: Starting monitored process 382 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:24:01,318 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (382)] Waiting until timeout for monitored process [2024-11-08 23:24:01,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:24:01,706 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:24:01,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:24:01,758 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:24:01,759 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:24:03,378 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:24:03,382 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (382)] Forceful destruction successful, exit code 0 [2024-11-08 23:24:03,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:24:03,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:24:03,386 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:24:03,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:24:03,386 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:24:03,386 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:24:03,386 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:24:03,387 INFO L229 MonitoredProcess]: Starting monitored process 383 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:24:03,388 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (383)] Waiting until timeout for monitored process [2024-11-08 23:24:03,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:24:03,778 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:24:03,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:24:03,819 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:24:03,820 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:24:05,351 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:24:05,355 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (383)] Ended with exit code 0 [2024-11-08 23:24:05,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:24:05,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:24:05,358 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:24:05,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:24:05,359 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:24:05,359 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:24:05,359 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:24:05,360 INFO L229 MonitoredProcess]: Starting monitored process 384 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:24:05,362 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (384)] Waiting until timeout for monitored process [2024-11-08 23:24:05,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:24:05,734 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:24:05,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:24:05,784 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:24:05,785 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:24:07,368 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:24:07,371 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (384)] Forceful destruction successful, exit code 0 [2024-11-08 23:24:07,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:24:07,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:24:07,375 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:24:07,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:24:07,376 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:24:07,376 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:24:07,376 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:24:07,378 INFO L229 MonitoredProcess]: Starting monitored process 385 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:24:07,379 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (385)] Waiting until timeout for monitored process [2024-11-08 23:24:07,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:24:07,761 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:24:07,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:24:07,814 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:24:07,815 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:24:09,437 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:24:09,441 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (385)] Forceful destruction successful, exit code 0 [2024-11-08 23:24:09,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:24:09,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:24:09,445 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:24:09,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:24:09,445 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:24:09,445 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:24:09,445 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:24:09,446 INFO L229 MonitoredProcess]: Starting monitored process 386 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:24:09,447 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (386)] Waiting until timeout for monitored process [2024-11-08 23:24:09,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:24:09,828 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:24:09,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:24:09,903 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:24:09,904 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:24:11,528 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:24:11,532 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (386)] Forceful destruction successful, exit code 0 [2024-11-08 23:24:11,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:24:11,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:24:11,535 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:24:11,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:24:11,535 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:24:11,535 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:24:11,535 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:24:11,536 INFO L229 MonitoredProcess]: Starting monitored process 387 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:24:11,538 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (387)] Waiting until timeout for monitored process [2024-11-08 23:24:11,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:24:11,928 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:24:11,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:24:11,984 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:24:11,985 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:24:13,597 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:24:13,601 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (387)] Ended with exit code 0 [2024-11-08 23:24:13,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:24:13,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:24:13,607 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:24:13,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:24:13,608 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:24:13,608 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:24:13,608 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:24:13,609 INFO L229 MonitoredProcess]: Starting monitored process 388 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:24:13,610 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (388)] Waiting until timeout for monitored process [2024-11-08 23:24:14,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:24:14,025 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:24:14,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:24:14,065 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-08 23:24:14,066 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:24:15,656 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:24:15,659 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (388)] Ended with exit code 0 [2024-11-08 23:24:15,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:24:15,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:24:15,663 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:24:15,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:24:15,663 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:24:15,663 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:24:15,663 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:24:15,664 INFO L229 MonitoredProcess]: Starting monitored process 389 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:24:15,665 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (389)] Waiting until timeout for monitored process [2024-11-08 23:24:16,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:24:16,055 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:24:16,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:24:16,094 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:24:16,095 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:24:17,644 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:24:17,648 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (389)] Forceful destruction successful, exit code 0 [2024-11-08 23:24:17,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:24:17,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:24:17,650 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:24:17,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:24:17,651 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:24:17,651 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:24:17,651 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:24:17,652 INFO L229 MonitoredProcess]: Starting monitored process 390 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:24:17,653 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (390)] Waiting until timeout for monitored process [2024-11-08 23:24:18,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:24:18,051 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:24:18,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:24:18,134 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:24:18,135 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:24:19,740 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:24:19,744 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (390)] Ended with exit code 0 [2024-11-08 23:24:19,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:24:19,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2024-11-08 23:24:19,746 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2024-11-08 23:24:19,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:24:19,746 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:24:19,746 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:24:19,747 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:24:19,747 INFO L229 MonitoredProcess]: Starting monitored process 391 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:24:19,748 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed611b4d-9485-4688-8077-2cd7f2a60cab/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (391)] Waiting until timeout for monitored process [2024-11-08 23:24:20,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:24:20,120 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:24:20,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:24:20,169 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:24:20,170 INFO L278 TraceCheckSpWp]: Computing forward predicates...