./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loops/verisec_OpenSER_cases1_stripFullBoth_arr.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/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_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/loops/verisec_OpenSER_cases1_stripFullBoth_arr.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/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_577b7a58-0cac-4220-8347-2a3e8425ed29/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 c1599706a72281425c0fc51552af364ca390697b315c5af0e88e5d6de4e668c6 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:47:11,311 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:47:11,435 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-08 23:47:11,444 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 23:47:11,445 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 23:47:11,473 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:47:11,474 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:47:11,474 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 23:47:11,475 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:47:11,476 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:47:11,477 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:47:11,477 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:47:11,480 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 23:47:11,482 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 23:47:11,482 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 23:47:11,483 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:47:11,483 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:47:11,484 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:47:11,484 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:47:11,488 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:47:11,489 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 23:47:11,492 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:47:11,493 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:47:11,494 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:47:11,494 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:47:11,495 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:47:11,498 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:47:11,498 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:47:11,499 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:47:11,499 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:47:11,500 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:47:11,500 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 23:47:11,500 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 23:47:11,501 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_577b7a58-0cac-4220-8347-2a3e8425ed29/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c1599706a72281425c0fc51552af364ca390697b315c5af0e88e5d6de4e668c6 [2024-11-08 23:47:11,861 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:47:11,907 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:47:11,911 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:47:11,914 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:47:11,915 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:47:11,917 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/loops/verisec_OpenSER_cases1_stripFullBoth_arr.i Unable to find full path for "g++" [2024-11-08 23:47:14,576 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:47:14,879 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:47:14,879 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/sv-benchmarks/c/loops/verisec_OpenSER_cases1_stripFullBoth_arr.i [2024-11-08 23:47:14,895 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/data/acd4a1447/1d7fc340aebf4e3e9dbdadd29523136f/FLAG043e14207 [2024-11-08 23:47:14,926 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/data/acd4a1447/1d7fc340aebf4e3e9dbdadd29523136f [2024-11-08 23:47:14,929 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:47:14,931 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:47:14,933 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:47:14,933 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:47:14,941 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:47:14,942 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:47:14" (1/1) ... [2024-11-08 23:47:14,944 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c8de909 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:47:14, skipping insertion in model container [2024-11-08 23:47:14,944 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:47:14" (1/1) ... [2024-11-08 23:47:14,978 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:47:15,219 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_577b7a58-0cac-4220-8347-2a3e8425ed29/sv-benchmarks/c/loops/verisec_OpenSER_cases1_stripFullBoth_arr.i[882,895] [2024-11-08 23:47:15,289 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:47:15,300 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:47:15,314 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_577b7a58-0cac-4220-8347-2a3e8425ed29/sv-benchmarks/c/loops/verisec_OpenSER_cases1_stripFullBoth_arr.i[882,895] [2024-11-08 23:47:15,345 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:47:15,363 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:47:15,364 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:47:15 WrapperNode [2024-11-08 23:47:15,364 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:47:15,365 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:47:15,365 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:47:15,365 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:47:15,374 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:47:15" (1/1) ... [2024-11-08 23:47:15,384 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:47:15" (1/1) ... [2024-11-08 23:47:15,408 INFO L138 Inliner]: procedures = 42, calls = 28, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 142 [2024-11-08 23:47:15,409 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:47:15,410 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:47:15,410 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:47:15,410 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:47:15,420 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:47:15" (1/1) ... [2024-11-08 23:47:15,421 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:47:15" (1/1) ... [2024-11-08 23:47:15,424 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:47:15" (1/1) ... [2024-11-08 23:47:15,424 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:47:15" (1/1) ... [2024-11-08 23:47:15,431 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:47:15" (1/1) ... [2024-11-08 23:47:15,436 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:47:15" (1/1) ... [2024-11-08 23:47:15,438 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:47:15" (1/1) ... [2024-11-08 23:47:15,439 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:47:15" (1/1) ... [2024-11-08 23:47:15,441 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:47:15,442 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:47:15,443 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:47:15,443 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:47:15,444 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:47:15" (1/1) ... [2024-11-08 23:47:15,451 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:47:15,469 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:47:15,495 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:47:15,498 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:47:15,542 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:47:15,543 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-08 23:47:15,543 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-08 23:47:15,544 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-08 23:47:15,544 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 23:47:15,545 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:47:15,545 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:47:15,546 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-08 23:47:15,716 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:47:15,719 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:47:16,115 INFO L? ?]: Removed 42 outVars from TransFormulas that were not future-live. [2024-11-08 23:47:16,116 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:47:16,214 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:47:16,215 INFO L316 CfgBuilder]: Removed 3 assume(true) statements. [2024-11-08 23:47:16,215 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:47:16 BoogieIcfgContainer [2024-11-08 23:47:16,215 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:47:16,216 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:47:16,217 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:47:16,229 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:47:16,229 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:47:16" (1/1) ... [2024-11-08 23:47:16,241 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:47:16,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:47:16,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 23 states and 34 transitions. [2024-11-08 23:47:16,351 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 34 transitions. [2024-11-08 23:47:16,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-08 23:47:16,353 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:47:16,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:47:16,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:47:16,628 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:47:16,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:47:16,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 24 states and 32 transitions. [2024-11-08 23:47:16,688 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 32 transitions. [2024-11-08 23:47:16,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-08 23:47:16,689 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:47:16,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:47:16,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:47:16,839 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:47:16,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:47:16,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 25 states and 33 transitions. [2024-11-08 23:47:16,878 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 33 transitions. [2024-11-08 23:47:16,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-08 23:47:16,878 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:47:16,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:47:16,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:47:17,068 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:47:17,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:47:17,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 26 states and 35 transitions. [2024-11-08 23:47:17,140 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 35 transitions. [2024-11-08 23:47:17,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-08 23:47:17,143 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:47:17,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:47:17,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:47:17,245 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-08 23:47:17,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:47:17,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 26 states and 34 transitions. [2024-11-08 23:47:17,323 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 34 transitions. [2024-11-08 23:47:17,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-08 23:47:17,324 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:47:17,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:47:17,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:47:17,495 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:47:17,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:47:17,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 28 states and 36 transitions. [2024-11-08 23:47:17,682 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 36 transitions. [2024-11-08 23:47:17,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-08 23:47:17,683 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:47:17,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:47:17,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:47:17,836 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:47:18,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:47:18,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 30 states and 38 transitions. [2024-11-08 23:47:18,013 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 38 transitions. [2024-11-08 23:47:18,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-08 23:47:18,014 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:47:18,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:47:18,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:47:18,191 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:47:18,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:47:18,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 32 states and 40 transitions. [2024-11-08 23:47:18,392 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 40 transitions. [2024-11-08 23:47:18,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-08 23:47:18,394 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:47:18,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:47:18,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:47:18,597 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:47:18,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:47:18,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 34 states and 42 transitions. [2024-11-08 23:47:18,811 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 42 transitions. [2024-11-08 23:47:18,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 23:47:18,814 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:47:18,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:47:18,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:47:18,979 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:47:19,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:47:19,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 36 states and 43 transitions. [2024-11-08 23:47:19,103 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 43 transitions. [2024-11-08 23:47:19,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-08 23:47:19,104 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:47:19,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:47:19,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:47:19,756 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:47:20,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:47:20,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 46 states and 60 transitions. [2024-11-08 23:47:20,096 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 60 transitions. [2024-11-08 23:47:20,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:47:20,097 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:47:20,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:47:20,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:47:20,642 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:47:21,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:47:21,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 49 states and 67 transitions. [2024-11-08 23:47:21,170 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 67 transitions. [2024-11-08 23:47:21,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-08 23:47:21,171 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:47:21,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:47:21,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:47:21,615 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:47:22,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:47:22,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 60 states and 86 transitions. [2024-11-08 23:47:22,427 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 86 transitions. [2024-11-08 23:47:22,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-08 23:47:22,428 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:47:22,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:47:22,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:47:22,825 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:47:23,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:47:23,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 63 states and 91 transitions. [2024-11-08 23:47:23,194 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 91 transitions. [2024-11-08 23:47:23,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-11-08 23:47:23,195 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:47:23,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:47:23,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:47:23,239 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:47:23,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:47:23,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:47:23,389 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:47:23,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:47:23,487 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 14 iterations. [2024-11-08 23:47:23,543 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 11:47:23 ImpRootNode [2024-11-08 23:47:23,543 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 23:47:23,543 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 23:47:23,544 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 23:47:23,544 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 23:47:23,545 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:47:16" (3/4) ... [2024-11-08 23:47:23,548 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 23:47:23,549 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 23:47:23,551 INFO L158 Benchmark]: Toolchain (without parser) took 8619.54ms. Allocated memory was 197.1MB in the beginning and 237.0MB in the end (delta: 39.8MB). Free memory was 155.0MB in the beginning and 192.1MB in the end (delta: -37.1MB). Peak memory consumption was 5.3MB. Max. memory is 16.1GB. [2024-11-08 23:47:23,552 INFO L158 Benchmark]: CDTParser took 0.46ms. Allocated memory is still 134.2MB. Free memory is still 77.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:47:23,554 INFO L158 Benchmark]: CACSL2BoogieTranslator took 431.48ms. Allocated memory is still 197.1MB. Free memory was 155.0MB in the beginning and 140.9MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-08 23:47:23,556 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.95ms. Allocated memory is still 197.1MB. Free memory was 140.9MB in the beginning and 138.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:47:23,557 INFO L158 Benchmark]: Boogie Preprocessor took 32.02ms. Allocated memory is still 197.1MB. Free memory was 138.8MB in the beginning and 137.6MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:47:23,557 INFO L158 Benchmark]: RCFGBuilder took 773.10ms. Allocated memory is still 197.1MB. Free memory was 137.2MB in the beginning and 116.2MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-11-08 23:47:23,558 INFO L158 Benchmark]: CodeCheck took 7326.58ms. Allocated memory was 197.1MB in the beginning and 237.0MB in the end (delta: 39.8MB). Free memory was 116.2MB in the beginning and 193.2MB in the end (delta: -77.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:47:23,558 INFO L158 Benchmark]: Witness Printer took 5.90ms. Allocated memory is still 237.0MB. Free memory was 193.2MB in the beginning and 192.1MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:47:23,564 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 1 procedures, 23 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 7.2s, OverallIterations: 14, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 812 SdHoareTripleChecker+Valid, 2.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 209 mSDsluCounter, 372 SdHoareTripleChecker+Invalid, 2.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 112 mSDsCounter, 332 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 976 IncrementalHoareTripleChecker+Invalid, 1308 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 332 mSolverCounterUnsat, 260 mSDtfsCounter, 976 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2165 GetRequests, 2027 SyntacticMatches, 58 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2883 ImplicationChecksByTransitivity, 3.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 3.0s InterpolantComputationTime, 344 NumberOfCodeBlocks, 344 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 294 ConstructedInterpolants, 0 QuantifiedInterpolants, 774 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 13 InterpolantComputations, 4 PerfectInterpolantSequences, 198/297 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: 16]: 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 strncpy at line 42. Possible FailurePath: [L86] char A [2 + 2 + 4 +1]; [L87] int i = 0; VAL [A={22761:0}, i=0] [L87] COND FALSE !(i<2 + 2 + 4 -1) VAL [A={22761:0}, i=0] [L87] COND TRUE i<2 + 2 + 4 -1 [L88] A[i] = __VERIFIER_nondet_char() [L87] i++ VAL [A={22761:0}, i=1] [L87] COND FALSE !(i<2 + 2 + 4 -1) VAL [A={22761:0}, i=1] [L87] COND TRUE i<2 + 2 + 4 -1 [L88] A[i] = __VERIFIER_nondet_char() [L87] i++ VAL [A={22761:0}, i=2] [L87] COND FALSE !(i<2 + 2 + 4 -1) VAL [A={22761:0}, i=2] [L87] COND TRUE i<2 + 2 + 4 -1 [L88] A[i] = __VERIFIER_nondet_char() [L87] i++ VAL [A={22761:0}, i=3] [L87] COND FALSE !(i<2 + 2 + 4 -1) VAL [A={22761:0}, i=3] [L87] COND TRUE i<2 + 2 + 4 -1 [L88] A[i] = __VERIFIER_nondet_char() [L87] i++ VAL [A={22761:0}, i=4] [L87] COND FALSE !(i<2 + 2 + 4 -1) VAL [A={22761:0}, i=4] [L87] COND TRUE i<2 + 2 + 4 -1 [L88] A[i] = __VERIFIER_nondet_char() [L87] i++ VAL [A={22761:0}, i=5] [L87] COND FALSE !(i<2 + 2 + 4 -1) VAL [A={22761:0}, i=5] [L87] COND TRUE i<2 + 2 + 4 -1 [L88] A[i] = __VERIFIER_nondet_char() [L87] i++ VAL [A={22761:0}, i=6] [L87] COND FALSE !(i<2 + 2 + 4 -1) VAL [A={22761:0}, i=6] [L87] COND TRUE i<2 + 2 + 4 -1 [L88] A[i] = __VERIFIER_nondet_char() [L87] i++ VAL [A={22761:0}, i=7] [L87] COND TRUE i<2 + 2 + 4 -1 VAL [A={22761:0}] [L90] A[2 + 2 + 4] = 0 [L91] CALL parse_expression_list (A) [L60] int start=0, i=-1, j=-1; [L61] char str2[2]; VAL [i=-1, start=0, str2={22762:0}, str={22761:0}] [L62] COND FALSE !(!str) VAL [i=-1, start=0, str2={22762:0}, str={22761:0}] [L64] i++ [L65] str[i] [L66] case 0: VAL [i=0, start=0, str2={22762:0}, str={22761:0}] [L81] EXPR str[i] VAL [i=0, start=0, str2={22762:0}, str={22761:0}] [L81] COND TRUE str[i] != 0 [L64] i++ [L65] str[i] [L66] case 0: VAL [i=1, start=0, str2={22762:0}, str={22761:0}] [L81] EXPR str[i] VAL [i=1, start=0, str2={22762:0}, str={22761:0}] [L81] COND TRUE str[i] != 0 [L64] i++ [L65] str[i] [L66] case 0: VAL [i=2, start=0, str2={22762:0}, str={22761:0}] [L67] EXPR str[start] [L67] (str[start] == ' ') || (str[start] == '\t') [L67] EXPR str[start] [L67] (str[start] == ' ') || (str[start] == '\t') VAL [i=2, start=0, str2={22762:0}, str={22761:0}] [L67] COND FALSE !((str[start] == ' ') || (str[start] == '\t')) [L68] str[start] [L66] case 0: [L69] j = i-1 VAL [i=2, j=1, start=0, str2={22762:0}, str={22761:0}] [L70] (0 < j) && ((str[j] == ' ') || (str[j] == '\t')) [L70] EXPR str[j] [L70] EXPR (str[j] == ' ') || (str[j] == '\t') [L70] EXPR str[j] [L70] EXPR (str[j] == ' ') || (str[j] == '\t') [L70] (0 < j) && ((str[j] == ' ') || (str[j] == '\t')) VAL [i=2, j=1, start=0, str2={22762:0}, str={22761:0}] [L70] COND FALSE !((0 < j) && ((str[j] == ' ') || (str[j] == '\t'))) [L71] (0 < j) && (str[j] == '"') [L66] case 0: [L71] EXPR str[j] [L71] (0 < j) && (str[j] == '"') [L66] case 0: [L66] case 0: [L73] CALL r_strncpy(str2, str+start, j-start+1) [L42] return strncpy(dest,src,n); [L73] RET r_strncpy(str2, str+start, j-start+1) [L74] CALL __VERIFIER_assert(j - start + 1 < 2) [L15] COND TRUE !(cond) [L16] reach_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.46ms. Allocated memory is still 134.2MB. Free memory is still 77.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 431.48ms. Allocated memory is still 197.1MB. Free memory was 155.0MB in the beginning and 140.9MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.95ms. Allocated memory is still 197.1MB. Free memory was 140.9MB in the beginning and 138.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.02ms. Allocated memory is still 197.1MB. Free memory was 138.8MB in the beginning and 137.6MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 773.10ms. Allocated memory is still 197.1MB. Free memory was 137.2MB in the beginning and 116.2MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * CodeCheck took 7326.58ms. Allocated memory was 197.1MB in the beginning and 237.0MB in the end (delta: 39.8MB). Free memory was 116.2MB in the beginning and 193.2MB in the end (delta: -77.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.90ms. Allocated memory is still 237.0MB. Free memory was 193.2MB in the beginning and 192.1MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-08 23:47:23,612 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/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_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/loops/verisec_OpenSER_cases1_stripFullBoth_arr.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/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_577b7a58-0cac-4220-8347-2a3e8425ed29/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 c1599706a72281425c0fc51552af364ca390697b315c5af0e88e5d6de4e668c6 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:47:26,699 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:47:26,837 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-08 23:47:26,885 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:47:26,886 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:47:26,887 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 23:47:26,889 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:47:26,889 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:47:26,890 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:47:26,890 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:47:26,891 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 23:47:26,891 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 23:47:26,892 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:47:26,892 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:47:26,897 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:47:26,897 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:47:26,898 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 23:47:26,898 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 23:47:26,898 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:47:26,899 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 23:47:26,899 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 23:47:26,907 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:47:26,907 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:47:26,908 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:47:26,909 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:47:26,909 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:47:26,910 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 23:47:26,910 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-08 23:47:26,910 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:47:26,911 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:47:26,911 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:47:26,912 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:47:26,913 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:47:26,914 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-08 23:47:26,914 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 23:47:26,915 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-08 23:47:26,915 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_577b7a58-0cac-4220-8347-2a3e8425ed29/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c1599706a72281425c0fc51552af364ca390697b315c5af0e88e5d6de4e668c6 [2024-11-08 23:47:27,473 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:47:27,505 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:47:27,510 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:47:27,512 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:47:27,513 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:47:27,515 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/loops/verisec_OpenSER_cases1_stripFullBoth_arr.i Unable to find full path for "g++" [2024-11-08 23:47:30,324 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:47:30,643 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:47:30,643 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/sv-benchmarks/c/loops/verisec_OpenSER_cases1_stripFullBoth_arr.i [2024-11-08 23:47:30,654 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/data/212b419f2/aa5693a76d7b4e1b94c2f1090a015e28/FLAGe4314ab33 [2024-11-08 23:47:30,675 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/data/212b419f2/aa5693a76d7b4e1b94c2f1090a015e28 [2024-11-08 23:47:30,679 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:47:30,681 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:47:30,683 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:47:30,683 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:47:30,690 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:47:30,691 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:47:30" (1/1) ... [2024-11-08 23:47:30,692 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5775bbcc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:47:30, skipping insertion in model container [2024-11-08 23:47:30,693 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:47:30" (1/1) ... [2024-11-08 23:47:30,725 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:47:30,972 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_577b7a58-0cac-4220-8347-2a3e8425ed29/sv-benchmarks/c/loops/verisec_OpenSER_cases1_stripFullBoth_arr.i[882,895] [2024-11-08 23:47:31,068 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:47:31,120 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:47:31,156 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_577b7a58-0cac-4220-8347-2a3e8425ed29/sv-benchmarks/c/loops/verisec_OpenSER_cases1_stripFullBoth_arr.i[882,895] [2024-11-08 23:47:31,233 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:47:31,273 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:47:31,274 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:47:31 WrapperNode [2024-11-08 23:47:31,275 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:47:31,276 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:47:31,277 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:47:31,277 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:47:31,288 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:47:31" (1/1) ... [2024-11-08 23:47:31,306 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:47:31" (1/1) ... [2024-11-08 23:47:31,346 INFO L138 Inliner]: procedures = 42, calls = 28, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 140 [2024-11-08 23:47:31,347 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:47:31,351 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:47:31,352 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:47:31,352 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:47:31,364 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:47:31" (1/1) ... [2024-11-08 23:47:31,364 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:47:31" (1/1) ... [2024-11-08 23:47:31,369 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:47:31" (1/1) ... [2024-11-08 23:47:31,374 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:47:31" (1/1) ... [2024-11-08 23:47:31,391 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:47:31" (1/1) ... [2024-11-08 23:47:31,404 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:47:31" (1/1) ... [2024-11-08 23:47:31,409 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:47:31" (1/1) ... [2024-11-08 23:47:31,414 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:47:31" (1/1) ... [2024-11-08 23:47:31,422 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:47:31,423 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:47:31,423 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:47:31,423 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:47:31,424 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:47:31" (1/1) ... [2024-11-08 23:47:31,432 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:47:31,450 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:47:31,467 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:47:31,479 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:47:31,526 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:47:31,526 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-11-08 23:47:31,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-08 23:47:31,527 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-08 23:47:31,527 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:47:31,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:47:31,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-11-08 23:47:31,528 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-08 23:47:31,674 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:47:31,677 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:47:32,128 INFO L? ?]: Removed 44 outVars from TransFormulas that were not future-live. [2024-11-08 23:47:32,128 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:47:32,307 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:47:32,307 INFO L316 CfgBuilder]: Removed 3 assume(true) statements. [2024-11-08 23:47:32,308 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:47:32 BoogieIcfgContainer [2024-11-08 23:47:32,308 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:47:32,311 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:47:32,311 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:47:32,326 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:47:32,327 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:47:32" (1/1) ... [2024-11-08 23:47:32,341 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:47:32,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:47:32,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 23 states and 34 transitions. [2024-11-08 23:47:32,415 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 34 transitions. [2024-11-08 23:47:32,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-08 23:47:32,419 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:47:32,420 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:47:32,421 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:47:32,428 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:47:32,429 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-08 23:47:32,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:47:32,639 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:47:32,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:47:32,723 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-08 23:47:32,736 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:47:32,766 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:47:32,771 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2024-11-08 23:47:32,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:47:32,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 23 states and 30 transitions. [2024-11-08 23:47:32,839 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 30 transitions. [2024-11-08 23:47:32,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-08 23:47:32,840 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:47:32,840 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:47:32,840 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:47:32,848 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:47:32,852 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-08 23:47:33,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:47:33,040 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:47:33,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:47:33,097 INFO L255 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-08 23:47:33,099 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:47:33,135 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:47:33,141 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-08 23:47:33,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:47:33,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 24 states and 32 transitions. [2024-11-08 23:47:33,188 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 32 transitions. [2024-11-08 23:47:33,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-08 23:47:33,189 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:47:33,190 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:47:33,190 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:47:33,194 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:47:33,196 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-08 23:47:33,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:47:33,372 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:47:33,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:47:33,442 INFO L255 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-08 23:47:33,444 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:47:33,467 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:47:33,473 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-08 23:47:33,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:47:33,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 24 states and 31 transitions. [2024-11-08 23:47:33,528 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 31 transitions. [2024-11-08 23:47:33,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-08 23:47:33,529 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:47:33,529 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:47:33,530 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:47:33,534 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:47:33,536 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-08 23:47:33,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:47:33,726 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:47:33,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:47:33,784 INFO L255 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-08 23:47:33,786 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:47:33,839 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:47:33,843 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (5)] Exception during sending of exit command (exit): Broken pipe [2024-11-08 23:47:33,845 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-11-08 23:47:34,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:47:34,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 26 states and 33 transitions. [2024-11-08 23:47:34,007 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 33 transitions. [2024-11-08 23:47:34,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-08 23:47:34,008 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:47:34,008 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:47:34,008 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:47:34,015 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:47:34,018 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-08 23:47:34,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:47:34,225 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:47:34,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:47:34,296 INFO L255 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:47:34,298 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:47:34,350 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:47:34,365 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-11-08 23:47:34,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:47:34,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 23:47:34,564 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 23:47:34,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-08 23:47:34,566 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:47:34,566 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:47:34,566 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:47:34,570 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:47:34,572 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-08 23:47:34,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:47:34,773 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:47:34,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:47:34,837 INFO L255 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-08 23:47:34,839 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:47:34,899 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:47:34,906 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-11-08 23:47:35,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:47:35,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 30 states and 37 transitions. [2024-11-08 23:47:35,166 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 37 transitions. [2024-11-08 23:47:35,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-08 23:47:35,169 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:47:35,169 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:47:35,170 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:47:35,172 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:47:35,175 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-11-08 23:47:35,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:47:35,405 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:47:35,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:47:35,474 INFO L255 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-08 23:47:35,476 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:47:35,564 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:47:35,574 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-11-08 23:47:35,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:47:35,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 32 states and 39 transitions. [2024-11-08 23:47:35,888 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 39 transitions. [2024-11-08 23:47:35,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-08 23:47:35,890 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:47:35,890 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:47:35,890 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:47:35,894 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:47:35,897 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-11-08 23:47:36,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:47:36,140 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:47:36,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:47:36,219 INFO L255 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-08 23:47:36,221 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:47:36,320 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:47:36,327 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-11-08 23:47:36,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:47:36,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 34 states and 41 transitions. [2024-11-08 23:47:36,683 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 41 transitions. [2024-11-08 23:47:36,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 23:47:36,686 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:47:36,686 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:47:36,686 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:47:36,690 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:47:36,693 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-11-08 23:47:36,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:47:36,893 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:47:36,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:47:36,954 INFO L255 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-08 23:47:36,956 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:47:37,050 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:47:37,053 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (10)] Exception during sending of exit command (exit): Broken pipe [2024-11-08 23:47:37,057 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (10)] Forceful destruction successful, exit code 0 [2024-11-08 23:47:37,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:47:37,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 36 states and 43 transitions. [2024-11-08 23:47:37,414 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 43 transitions. [2024-11-08 23:47:37,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-08 23:47:37,416 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:47:37,416 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:47:37,416 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:47:37,419 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:47:37,421 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-11-08 23:47:37,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:47:37,663 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:47:37,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:47:37,743 INFO L255 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-08 23:47:37,749 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:47:38,449 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:47:38,453 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2024-11-08 23:47:41,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:47:41,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 45 states and 60 transitions. [2024-11-08 23:47:41,742 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 60 transitions. [2024-11-08 23:47:41,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:47:41,743 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:47:41,743 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:47:41,745 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:47:41,749 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:47:41,753 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-11-08 23:47:42,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:47:42,057 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:47:42,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:47:42,122 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-08 23:47:42,130 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:47:42,602 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:47:42,605 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (12)] Exception during sending of exit command (exit): Broken pipe [2024-11-08 23:47:42,607 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2024-11-08 23:47:43,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:47:43,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 45 states and 59 transitions. [2024-11-08 23:47:43,576 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 59 transitions. [2024-11-08 23:47:43,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:47:43,577 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:47:43,578 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:47:43,578 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:47:43,582 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:47:43,584 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-11-08 23:47:43,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:47:43,885 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:47:43,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:47:43,967 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:47:43,975 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:47:45,075 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:47:45,081 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2024-11-08 23:47:56,759 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 23:47:57,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:47:57,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:47:57,228 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:47:57,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:47:57,231 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:47:57,231 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:47:57,232 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:47:57,234 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:47:57,252 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-11-08 23:47:57,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:47:57,479 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:47:57,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:47:57,526 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:47:57,528 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:47:57,716 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:47:57,720 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2024-11-08 23:47:57,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:47:57,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:47:57,759 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:47:57,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:47:57,760 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:47:57,761 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:47:57,761 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:47:57,764 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:47:57,765 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2024-11-08 23:47:58,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:47:58,041 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:47:58,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:47:58,090 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:47:58,093 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:47:58,284 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:47:58,289 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2024-11-08 23:47:58,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:47:58,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:47:58,331 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:47:58,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:47:58,332 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:47:58,332 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:47:58,332 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:47:58,335 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:47:58,340 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2024-11-08 23:47:58,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:47:58,705 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:47:58,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:47:58,776 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:47:58,779 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:47:59,025 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:47:59,030 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2024-11-08 23:47:59,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:47:59,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:47:59,079 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:47:59,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:47:59,083 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:47:59,084 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:47:59,084 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:47:59,087 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:47:59,091 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2024-11-08 23:47:59,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:47:59,443 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:47:59,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:47:59,516 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:47:59,519 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:47:59,752 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:47:59,759 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (17)] Forceful destruction successful, exit code 0 [2024-11-08 23:47:59,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:47:59,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:47:59,802 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:47:59,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:47:59,803 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:47:59,804 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:47:59,804 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:47:59,807 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:47:59,812 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2024-11-08 23:48:00,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:00,133 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:48:00,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:00,204 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:48:00,209 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:48:00,421 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:48:00,427 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (18)] Forceful destruction successful, exit code 0 [2024-11-08 23:48:00,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:48:00,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:48:00,470 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:48:00,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:48:00,471 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:48:00,471 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:48:00,472 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:48:00,475 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:48:00,477 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2024-11-08 23:48:00,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:00,807 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:48:00,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:00,874 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:48:00,877 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:48:01,099 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:48:01,105 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2024-11-08 23:48:01,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:48:01,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:48:01,152 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:48:01,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:48:01,153 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:48:01,153 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:48:01,153 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:48:01,157 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:48:01,160 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2024-11-08 23:48:01,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:01,523 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:48:01,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:01,580 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:48:01,583 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:48:01,811 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:48:01,816 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0 [2024-11-08 23:48:01,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:48:01,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:48:01,858 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:48:01,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:48:01,858 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:48:01,859 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:48:01,859 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:48:01,861 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:48:01,863 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2024-11-08 23:48:02,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:02,199 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:48:02,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:02,254 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:48:02,257 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:48:02,455 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:48:02,462 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (21)] Forceful destruction successful, exit code 0 [2024-11-08 23:48:02,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:48:02,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:48:02,498 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:48:02,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:48:02,499 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:48:02,499 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:48:02,499 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:48:02,502 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:48:02,504 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2024-11-08 23:48:02,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:02,917 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:48:02,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:02,977 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:48:02,979 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:48:03,226 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:48:03,233 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (22)] Forceful destruction successful, exit code 0 [2024-11-08 23:48:03,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:48:03,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:48:03,273 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:48:03,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:48:03,274 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:48:03,274 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:48:03,274 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:48:03,276 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:48:03,279 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2024-11-08 23:48:03,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:03,572 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:48:03,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:03,620 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:48:03,622 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:48:03,793 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:48:03,797 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (23)] Forceful destruction successful, exit code 0 [2024-11-08 23:48:03,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:48:03,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:48:03,830 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:48:03,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:48:03,830 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:48:03,831 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:48:03,831 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:48:03,832 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:48:03,834 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2024-11-08 23:48:04,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:04,196 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:48:04,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:04,256 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:48:04,259 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:48:04,434 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:48:04,438 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (24)] Forceful destruction successful, exit code 0 [2024-11-08 23:48:04,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:48:04,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:48:04,472 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:48:04,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:48:04,473 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:48:04,473 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:48:04,473 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:48:04,476 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:48:04,477 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2024-11-08 23:48:04,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:04,814 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:48:04,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:04,866 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:48:04,869 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:48:05,069 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:48:05,075 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (25)] Ended with exit code 0 [2024-11-08 23:48:05,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:48:05,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:48:05,116 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:48:05,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:48:05,118 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:48:05,118 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:48:05,119 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:48:05,122 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:48:05,125 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2024-11-08 23:48:05,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:05,564 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:48:05,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:05,619 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:48:05,621 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:48:05,798 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:48:05,803 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (26)] Forceful destruction successful, exit code 0 [2024-11-08 23:48:05,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:48:05,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:48:05,839 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:48:05,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:48:05,840 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:48:05,840 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:48:05,840 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:48:05,844 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:48:05,846 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2024-11-08 23:48:06,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:06,254 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:48:06,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:06,311 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:48:06,314 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:48:06,484 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:48:06,489 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (27)] Forceful destruction successful, exit code 0 [2024-11-08 23:48:06,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:48:06,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:48:06,535 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:48:06,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:48:06,536 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:48:06,536 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:48:06,536 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:48:06,539 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:48:06,542 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2024-11-08 23:48:06,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:06,969 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:48:07,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:07,026 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:48:07,033 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:48:07,251 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:48:07,258 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (28)] Ended with exit code 0 [2024-11-08 23:48:07,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:48:07,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:48:07,318 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:48:07,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:48:07,319 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:48:07,319 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:48:07,320 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:48:07,323 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:48:07,325 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2024-11-08 23:48:07,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:07,810 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:48:07,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:07,866 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:48:07,868 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:48:08,033 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:48:08,037 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (29)] Ended with exit code 0 [2024-11-08 23:48:08,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:48:08,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:48:08,077 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:48:08,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:48:08,078 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:48:08,078 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:48:08,078 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:48:08,082 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:48:08,085 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2024-11-08 23:48:08,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:08,505 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:48:08,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:08,575 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:48:08,577 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:48:08,785 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:48:08,793 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (30)] Forceful destruction successful, exit code 0 [2024-11-08 23:48:08,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:48:08,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:48:08,837 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:48:08,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:48:08,837 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:48:08,837 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:48:08,837 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:48:08,841 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:48:08,842 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2024-11-08 23:48:09,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:09,342 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:48:09,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:09,407 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:48:09,409 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:48:09,574 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:48:09,579 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (31)] Forceful destruction successful, exit code 0 [2024-11-08 23:48:09,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:48:09,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:48:09,615 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:48:09,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:48:09,615 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:48:09,616 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:48:09,616 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:48:09,619 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:48:09,622 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2024-11-08 23:48:10,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:10,039 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:48:10,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:10,092 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:48:10,094 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:48:10,275 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:48:10,280 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (32)] Forceful destruction successful, exit code 0 [2024-11-08 23:48:10,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:48:10,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:48:10,311 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:48:10,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:48:10,311 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:48:10,311 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:48:10,311 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:48:10,313 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:48:10,314 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (33)] Waiting until timeout for monitored process [2024-11-08 23:48:10,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:10,764 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:48:10,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:10,815 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:48:10,817 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:48:10,986 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:48:10,993 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (33)] Forceful destruction successful, exit code 0 [2024-11-08 23:48:11,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:48:11,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:48:11,033 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:48:11,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:48:11,034 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:48:11,034 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:48:11,034 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:48:11,036 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:48:11,040 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2024-11-08 23:48:11,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:11,550 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:48:11,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:11,606 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:48:11,608 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:48:11,773 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:48:11,779 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (34)] Forceful destruction successful, exit code 0 [2024-11-08 23:48:11,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:48:11,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:48:11,816 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:48:11,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:48:11,816 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:48:11,817 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:48:11,817 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:48:11,818 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:48:11,820 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (35)] Waiting until timeout for monitored process [2024-11-08 23:48:12,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:12,326 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:48:12,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:12,384 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:48:12,387 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:48:12,559 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:48:12,564 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (35)] Forceful destruction successful, exit code 0 [2024-11-08 23:48:12,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:48:12,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:48:12,603 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:48:12,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:48:12,604 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:48:12,604 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:48:12,604 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:48:12,607 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:48:12,610 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (36)] Waiting until timeout for monitored process [2024-11-08 23:48:13,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:13,076 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:48:13,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:13,137 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:48:13,140 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:48:13,287 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:48:13,296 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (36)] Forceful destruction successful, exit code 0 [2024-11-08 23:48:13,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:48:13,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:48:13,336 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:48:13,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:48:13,337 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:48:13,337 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:48:13,337 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:48:13,340 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:48:13,343 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (37)] Waiting until timeout for monitored process [2024-11-08 23:48:13,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:13,809 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:48:13,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:13,859 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:48:13,861 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:48:14,023 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:48:14,028 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (37)] Ended with exit code 0 [2024-11-08 23:48:14,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:48:14,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:48:14,057 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:48:14,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:48:14,057 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:48:14,057 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:48:14,057 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:48:14,059 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:48:14,060 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (38)] Waiting until timeout for monitored process [2024-11-08 23:48:14,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:14,522 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:48:14,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:14,570 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:48:14,572 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:48:14,735 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:48:14,740 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (38)] Ended with exit code 0 [2024-11-08 23:48:14,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:48:14,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:48:14,766 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:48:14,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:48:14,766 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:48:14,767 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:48:14,767 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:48:14,768 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:48:14,769 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (39)] Waiting until timeout for monitored process [2024-11-08 23:48:15,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:15,213 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:48:15,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:15,265 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:48:15,268 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:48:15,455 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:48:15,459 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (39)] Forceful destruction successful, exit code 0 [2024-11-08 23:48:15,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:48:15,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:48:15,502 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:48:15,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:48:15,502 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:48:15,503 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:48:15,503 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:48:15,506 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:48:15,510 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (40)] Waiting until timeout for monitored process [2024-11-08 23:48:16,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:16,033 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:48:16,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:16,089 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:48:16,092 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:48:16,256 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:48:16,263 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (40)] Ended with exit code 0 [2024-11-08 23:48:16,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:48:16,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:48:16,303 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:48:16,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:48:16,304 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:48:16,304 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:48:16,304 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:48:16,308 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:48:16,315 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (41)] Waiting until timeout for monitored process [2024-11-08 23:48:16,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:16,912 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:48:16,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:16,971 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:48:16,973 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:48:17,139 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:48:17,145 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (41)] Forceful destruction successful, exit code 0 [2024-11-08 23:48:17,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:48:17,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:48:17,185 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:48:17,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:48:17,185 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:48:17,186 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:48:17,186 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:48:17,189 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:48:17,192 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (42)] Waiting until timeout for monitored process [2024-11-08 23:48:17,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:17,788 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:48:17,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:17,844 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:48:17,847 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:48:18,012 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:48:18,017 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (42)] Forceful destruction successful, exit code 0 [2024-11-08 23:48:18,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:48:18,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:48:18,051 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:48:18,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:48:18,051 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:48:18,052 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:48:18,052 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:48:18,053 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:48:18,056 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (43)] Waiting until timeout for monitored process [2024-11-08 23:48:18,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:18,629 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:48:18,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:18,681 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:48:18,684 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:48:18,842 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:48:18,847 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (43)] Ended with exit code 0 [2024-11-08 23:48:18,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:48:18,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:48:18,887 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:48:18,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:48:18,888 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:48:18,888 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:48:18,888 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:48:18,893 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:48:18,897 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (44)] Waiting until timeout for monitored process [2024-11-08 23:48:19,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:19,487 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:48:19,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:19,547 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:48:19,549 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:48:19,709 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:48:19,715 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (44)] Forceful destruction successful, exit code 0 [2024-11-08 23:48:19,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:48:19,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:48:19,744 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:48:19,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:48:19,745 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:48:19,745 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:48:19,745 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:48:19,747 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:48:19,751 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (45)] Waiting until timeout for monitored process [2024-11-08 23:48:20,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:20,358 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:48:20,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:20,413 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:48:20,416 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:48:20,575 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:48:20,580 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (45)] Forceful destruction successful, exit code 0 [2024-11-08 23:48:20,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:48:20,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:48:20,623 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:48:20,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:48:20,623 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:48:20,623 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:48:20,624 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:48:20,627 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:48:20,628 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (46)] Waiting until timeout for monitored process [2024-11-08 23:48:21,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:21,257 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:48:21,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:21,314 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:48:21,317 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:48:21,474 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:48:21,480 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (46)] Forceful destruction successful, exit code 0 [2024-11-08 23:48:21,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:48:21,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:48:21,510 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:48:21,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:48:21,511 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:48:21,511 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:48:21,511 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:48:21,514 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:48:21,517 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (47)] Waiting until timeout for monitored process [2024-11-08 23:48:22,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:22,170 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:48:22,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:22,225 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:48:22,228 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:48:22,374 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:48:22,379 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (47)] Forceful destruction successful, exit code 0 [2024-11-08 23:48:22,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:48:22,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:48:22,407 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:48:22,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:48:22,407 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:48:22,407 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:48:22,407 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:48:22,408 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:48:22,410 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (48)] Waiting until timeout for monitored process [2024-11-08 23:48:23,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:23,111 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:48:23,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:23,172 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:48:23,175 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:48:23,342 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:48:23,351 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (48)] Forceful destruction successful, exit code 0 [2024-11-08 23:48:23,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:48:23,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:48:23,382 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:48:23,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:48:23,383 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:48:23,383 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:48:23,383 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:48:23,386 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:48:23,388 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (49)] Waiting until timeout for monitored process [2024-11-08 23:48:24,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:24,042 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:48:24,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:24,097 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:48:24,100 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:48:24,270 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:48:24,276 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (49)] Ended with exit code 0 [2024-11-08 23:48:24,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:48:24,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:48:24,306 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:48:24,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:48:24,306 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:48:24,306 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:48:24,306 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:48:24,307 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:48:24,309 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (50)] Waiting until timeout for monitored process [2024-11-08 23:48:24,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:24,986 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:48:25,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:25,049 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:48:25,051 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:48:25,238 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:48:25,244 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (50)] Ended with exit code 0 [2024-11-08 23:48:25,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:48:25,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:48:25,273 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:48:25,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:48:25,274 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:48:25,274 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:48:25,274 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:48:25,275 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:48:25,277 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (51)] Waiting until timeout for monitored process [2024-11-08 23:48:25,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:25,951 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:48:26,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:26,014 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:48:26,018 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:48:26,196 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:48:26,201 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (51)] Ended with exit code 0 [2024-11-08 23:48:26,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:48:26,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:48:26,237 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:48:26,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:48:26,238 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:48:26,238 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:48:26,238 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:48:26,241 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:48:26,242 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (52)] Waiting until timeout for monitored process [2024-11-08 23:48:26,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:26,911 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:48:26,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:26,964 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:48:26,966 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:48:27,145 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:48:27,154 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (52)] Ended with exit code 0 [2024-11-08 23:48:27,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:48:27,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:48:27,192 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:48:27,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:48:27,192 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:48:27,193 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:48:27,193 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:48:27,194 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:48:27,196 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (53)] Waiting until timeout for monitored process [2024-11-08 23:48:27,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:27,897 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:48:27,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:27,952 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:48:27,954 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:48:28,101 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:48:28,107 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (53)] Forceful destruction successful, exit code 0 [2024-11-08 23:48:28,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:48:28,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:48:28,136 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:48:28,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:48:28,137 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:48:28,137 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:48:28,137 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:48:28,138 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:48:28,140 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (54)] Waiting until timeout for monitored process [2024-11-08 23:48:28,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:28,839 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:48:28,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:28,904 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:48:28,906 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:48:29,065 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:48:29,072 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (54)] Forceful destruction successful, exit code 0 [2024-11-08 23:48:29,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:48:29,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:48:29,101 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:48:29,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:48:29,102 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:48:29,102 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:48:29,102 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:48:29,105 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:48:29,107 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (55)] Waiting until timeout for monitored process [2024-11-08 23:48:29,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:29,824 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:48:29,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:29,878 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:48:29,880 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:48:30,049 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:48:30,055 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (55)] Ended with exit code 0 [2024-11-08 23:48:30,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:48:30,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:48:30,084 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:48:30,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:48:30,084 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:48:30,084 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:48:30,084 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:48:30,085 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:48:30,087 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (56)] Waiting until timeout for monitored process [2024-11-08 23:48:30,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:30,785 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:48:30,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:30,834 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:48:30,836 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:48:30,981 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:48:30,986 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (56)] Forceful destruction successful, exit code 0 [2024-11-08 23:48:31,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:48:31,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:48:31,012 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:48:31,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:48:31,012 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:48:31,012 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:48:31,012 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:48:31,013 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:48:31,015 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (57)] Waiting until timeout for monitored process [2024-11-08 23:48:31,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:31,638 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:48:31,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:31,690 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:48:31,692 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:48:31,835 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:48:31,840 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (57)] Forceful destruction successful, exit code 0 [2024-11-08 23:48:31,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:48:31,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:48:31,866 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:48:31,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:48:31,866 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:48:31,866 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:48:31,866 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:48:31,867 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:48:31,870 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (58)] Waiting until timeout for monitored process [2024-11-08 23:48:32,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:32,476 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:48:32,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:32,529 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:48:32,532 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:48:32,702 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:48:32,710 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (58)] Ended with exit code 0 [2024-11-08 23:48:32,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:48:32,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:48:32,751 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:48:32,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:48:32,751 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:48:32,752 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:48:32,752 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:48:32,755 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:48:32,756 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (59)] Waiting until timeout for monitored process [2024-11-08 23:48:33,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:33,398 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:48:33,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:33,444 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:48:33,446 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:48:33,587 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:48:33,593 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (59)] Forceful destruction successful, exit code 0 [2024-11-08 23:48:33,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:48:33,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:48:33,630 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:48:33,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:48:33,630 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:48:33,630 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:48:33,630 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:48:33,631 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:48:33,633 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (60)] Waiting until timeout for monitored process [2024-11-08 23:48:34,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:34,431 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:48:34,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:34,488 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:48:34,490 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:48:34,651 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:48:34,658 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (60)] Forceful destruction successful, exit code 0 [2024-11-08 23:48:34,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:48:34,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:48:34,689 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:48:34,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:48:34,689 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:48:34,689 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:48:34,690 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:48:34,692 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:48:34,693 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (61)] Waiting until timeout for monitored process [2024-11-08 23:48:35,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:35,505 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:48:35,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:35,560 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:48:35,563 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:48:35,740 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:48:35,747 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (61)] Forceful destruction successful, exit code 0 [2024-11-08 23:48:35,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:48:35,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:48:35,779 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:48:35,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:48:35,780 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:48:35,780 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:48:35,780 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:48:35,782 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:48:35,783 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (62)] Waiting until timeout for monitored process [2024-11-08 23:48:36,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:36,568 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:48:36,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:36,630 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:48:36,633 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:48:36,785 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:48:36,792 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (62)] Ended with exit code 0 [2024-11-08 23:48:36,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:48:36,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:48:36,821 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:48:36,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:48:36,822 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:48:36,822 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:48:36,822 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:48:36,826 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:48:36,827 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (63)] Waiting until timeout for monitored process [2024-11-08 23:48:37,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:37,627 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:48:37,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:37,680 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:48:37,682 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:48:37,842 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:48:37,849 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (63)] Forceful destruction successful, exit code 0 [2024-11-08 23:48:37,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:48:37,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:48:37,879 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:48:37,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:48:37,879 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:48:37,879 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:48:37,879 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:48:37,883 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:48:37,884 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (64)] Waiting until timeout for monitored process [2024-11-08 23:48:38,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:38,705 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:48:38,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:38,761 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:48:38,764 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:48:38,944 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:48:38,956 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (64)] Ended with exit code 0 [2024-11-08 23:48:38,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:48:38,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:48:38,990 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:48:38,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:48:38,990 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:48:38,990 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:48:38,991 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:48:38,993 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:48:38,994 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (65)] Waiting until timeout for monitored process [2024-11-08 23:48:39,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:39,821 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:48:39,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:39,876 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:48:39,878 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:48:40,039 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:48:40,046 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (65)] Ended with exit code 0 [2024-11-08 23:48:40,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:48:40,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:48:40,076 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:48:40,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:48:40,076 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:48:40,076 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:48:40,076 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:48:40,077 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:48:40,079 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (66)] Waiting until timeout for monitored process [2024-11-08 23:48:40,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:40,931 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:48:40,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:40,987 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:48:40,990 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:48:41,156 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:48:41,163 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (66)] Forceful destruction successful, exit code 0 [2024-11-08 23:48:41,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:48:41,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:48:41,194 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:48:41,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:48:41,194 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:48:41,194 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:48:41,195 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:48:41,197 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:48:41,199 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (67)] Waiting until timeout for monitored process [2024-11-08 23:48:42,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:42,040 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:48:42,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:42,098 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:48:42,100 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:48:42,255 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:48:42,263 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (67)] Forceful destruction successful, exit code 0 [2024-11-08 23:48:42,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:48:42,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:48:42,301 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:48:42,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:48:42,302 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:48:42,302 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:48:42,302 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:48:42,303 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:48:42,305 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (68)] Waiting until timeout for monitored process [2024-11-08 23:48:43,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:43,223 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:48:43,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:43,277 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:48:43,280 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:48:43,463 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:48:43,473 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (68)] Ended with exit code 0 [2024-11-08 23:48:43,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:48:43,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:48:43,516 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:48:43,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:48:43,517 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:48:43,517 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:48:43,517 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:48:43,520 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:48:43,523 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (69)] Waiting until timeout for monitored process [2024-11-08 23:48:44,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:44,399 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:48:44,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:44,451 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:48:44,453 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:48:44,603 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:48:44,613 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (69)] Forceful destruction successful, exit code 0 [2024-11-08 23:48:44,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:48:44,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:48:44,645 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:48:44,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:48:44,645 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:48:44,646 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:48:44,646 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:48:44,647 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:48:44,648 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (70)] Waiting until timeout for monitored process [2024-11-08 23:48:45,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:45,488 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:48:45,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:45,541 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:48:45,544 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:48:45,733 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:48:45,743 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (70)] Forceful destruction successful, exit code 0 [2024-11-08 23:48:45,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:48:45,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:48:45,781 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:48:45,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:48:45,782 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:48:45,782 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:48:45,782 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:48:45,786 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:48:45,788 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (71)] Waiting until timeout for monitored process [2024-11-08 23:48:46,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:46,638 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:48:46,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:46,686 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:48:46,688 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:48:46,832 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:48:46,841 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (71)] Forceful destruction successful, exit code 0 [2024-11-08 23:48:46,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:48:46,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:48:46,869 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:48:46,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:48:46,869 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:48:46,870 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:48:46,870 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:48:46,871 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:48:46,873 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (72)] Waiting until timeout for monitored process [2024-11-08 23:48:47,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:47,764 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:48:47,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:47,826 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:48:47,828 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:48:47,985 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:48:47,997 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (72)] Forceful destruction successful, exit code 0 [2024-11-08 23:48:48,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:48:48,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:48:48,037 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:48:48,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:48:48,037 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:48:48,038 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:48:48,038 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:48:48,043 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:48:48,044 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (73)] Waiting until timeout for monitored process [2024-11-08 23:48:48,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:48,896 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:48:48,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:48,948 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:48:48,950 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:48:49,077 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:48:49,083 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (73)] Forceful destruction successful, exit code 0 [2024-11-08 23:48:49,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:48:49,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:48:49,107 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:48:49,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:48:49,107 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:48:49,107 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:48:49,107 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:48:49,108 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:48:49,109 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (74)] Waiting until timeout for monitored process [2024-11-08 23:48:49,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:49,830 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:48:49,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:49,875 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:48:49,877 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:48:50,018 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:48:50,026 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (74)] Ended with exit code 0 [2024-11-08 23:48:50,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:48:50,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:48:50,049 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:48:50,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:48:50,049 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:48:50,049 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:48:50,049 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:48:50,052 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:48:50,053 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (75)] Waiting until timeout for monitored process [2024-11-08 23:48:50,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:50,778 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:48:50,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:50,825 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:48:50,827 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:48:50,961 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:48:50,967 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (75)] Ended with exit code 0 [2024-11-08 23:48:50,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:48:50,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:48:50,991 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:48:50,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:48:50,991 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:48:50,991 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:48:50,991 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:48:50,992 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:48:50,993 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (76)] Waiting until timeout for monitored process [2024-11-08 23:48:51,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:51,801 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:48:51,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:51,864 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:48:51,866 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:48:52,042 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:48:52,054 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (76)] Ended with exit code 0 [2024-11-08 23:48:52,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:48:52,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:48:52,084 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:48:52,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:48:52,084 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:48:52,084 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:48:52,085 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:48:52,088 INFO L229 MonitoredProcess]: Starting monitored process 77 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:48:52,089 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (77)] Waiting until timeout for monitored process [2024-11-08 23:48:53,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:53,102 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:48:53,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:53,157 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:48:53,159 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:48:53,325 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:48:53,336 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (77)] Forceful destruction successful, exit code 0 [2024-11-08 23:48:53,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:48:53,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:48:53,372 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:48:53,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:48:53,373 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:48:53,373 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:48:53,373 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:48:53,376 INFO L229 MonitoredProcess]: Starting monitored process 78 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:48:53,377 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (78)] Waiting until timeout for monitored process [2024-11-08 23:48:54,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:54,337 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:48:54,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:54,392 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:48:54,394 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:48:54,543 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:48:54,551 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (78)] Ended with exit code 0 [2024-11-08 23:48:54,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:48:54,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:48:54,580 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:48:54,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:48:54,580 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:48:54,581 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:48:54,581 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:48:54,582 INFO L229 MonitoredProcess]: Starting monitored process 79 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:48:54,583 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (79)] Waiting until timeout for monitored process [2024-11-08 23:48:55,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:55,541 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:48:55,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:55,594 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:48:55,597 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:48:55,746 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:48:55,755 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (79)] Ended with exit code 0 [2024-11-08 23:48:55,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:48:55,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:48:55,794 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:48:55,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:48:55,794 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:48:55,794 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:48:55,794 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:48:55,796 INFO L229 MonitoredProcess]: Starting monitored process 80 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:48:55,797 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (80)] Waiting until timeout for monitored process [2024-11-08 23:48:56,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:56,789 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:48:56,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:56,842 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:48:56,844 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:48:56,997 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:48:57,008 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (80)] Ended with exit code 0 [2024-11-08 23:48:57,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:48:57,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:48:57,045 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:48:57,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:48:57,045 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:48:57,045 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:48:57,045 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:48:57,046 INFO L229 MonitoredProcess]: Starting monitored process 81 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:48:57,048 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (81)] Waiting until timeout for monitored process [2024-11-08 23:48:58,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:58,031 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:48:58,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:58,084 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:48:58,086 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:48:58,230 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:48:58,241 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (81)] Forceful destruction successful, exit code 0 [2024-11-08 23:48:58,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:48:58,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:48:58,269 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:48:58,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:48:58,270 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:48:58,270 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:48:58,270 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:48:58,273 INFO L229 MonitoredProcess]: Starting monitored process 82 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:48:58,275 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (82)] Waiting until timeout for monitored process [2024-11-08 23:48:59,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:59,292 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:48:59,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:59,348 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:48:59,350 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:48:59,502 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:48:59,514 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (82)] Forceful destruction successful, exit code 0 [2024-11-08 23:48:59,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:48:59,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:48:59,543 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:48:59,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:48:59,543 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:48:59,543 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:48:59,543 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:48:59,544 INFO L229 MonitoredProcess]: Starting monitored process 83 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:48:59,546 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (83)] Waiting until timeout for monitored process [2024-11-08 23:49:00,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:49:00,560 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:49:00,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:49:00,613 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:49:00,615 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:49:00,770 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:49:00,782 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (83)] Forceful destruction successful, exit code 0 [2024-11-08 23:49:00,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:49:00,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:49:00,812 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:49:00,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:49:00,812 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:49:00,813 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:49:00,813 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:49:00,816 INFO L229 MonitoredProcess]: Starting monitored process 84 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:49:00,818 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (84)] Waiting until timeout for monitored process [2024-11-08 23:49:01,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:49:01,851 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:49:01,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:49:01,907 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:49:01,909 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:49:02,056 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:49:02,069 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (84)] Forceful destruction successful, exit code 0 [2024-11-08 23:49:02,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:49:02,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:49:02,098 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:49:02,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:49:02,098 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:49:02,098 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:49:02,098 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:49:02,101 INFO L229 MonitoredProcess]: Starting monitored process 85 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:49:02,104 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (85)] Waiting until timeout for monitored process [2024-11-08 23:49:03,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:49:03,136 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:49:03,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:49:03,188 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:49:03,190 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:49:03,336 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:49:03,348 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (85)] Forceful destruction successful, exit code 0 [2024-11-08 23:49:03,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:49:03,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:49:03,376 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:49:03,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:49:03,376 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:49:03,376 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:49:03,377 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:49:03,378 INFO L229 MonitoredProcess]: Starting monitored process 86 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:49:03,381 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (86)] Waiting until timeout for monitored process [2024-11-08 23:49:04,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:49:04,384 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:49:04,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:49:04,439 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:49:04,441 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:49:04,583 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:49:04,596 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (86)] Ended with exit code 0 [2024-11-08 23:49:04,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:49:04,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:49:04,624 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:49:04,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:49:04,624 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:49:04,624 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:49:04,624 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:49:04,625 INFO L229 MonitoredProcess]: Starting monitored process 87 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:49:04,627 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (87)] Waiting until timeout for monitored process [2024-11-08 23:49:05,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:49:05,672 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:49:05,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:49:05,734 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:49:05,736 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:49:05,910 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:49:05,924 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (87)] Forceful destruction successful, exit code 0 [2024-11-08 23:49:05,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:49:05,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:49:05,953 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:49:05,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:49:05,954 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:49:05,954 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:49:05,954 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:49:05,955 INFO L229 MonitoredProcess]: Starting monitored process 88 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:49:05,957 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (88)] Waiting until timeout for monitored process [2024-11-08 23:49:06,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:49:06,944 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:49:06,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:49:06,992 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:49:06,994 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:49:07,114 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:49:07,123 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (88)] Forceful destruction successful, exit code 0 [2024-11-08 23:49:07,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:49:07,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:49:07,153 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:49:07,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:49:07,153 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:49:07,153 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:49:07,153 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:49:07,154 INFO L229 MonitoredProcess]: Starting monitored process 89 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:49:07,155 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (89)] Waiting until timeout for monitored process [2024-11-08 23:49:08,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:49:08,067 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:49:08,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:49:08,116 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:49:08,127 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:49:08,257 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:49:08,266 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (89)] Forceful destruction successful, exit code 0 [2024-11-08 23:49:08,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:49:08,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:49:08,293 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:49:08,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:49:08,294 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:49:08,294 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:49:08,294 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:49:08,295 INFO L229 MonitoredProcess]: Starting monitored process 90 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:49:08,296 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (90)] Waiting until timeout for monitored process [2024-11-08 23:49:09,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:49:09,151 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:49:09,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:49:09,195 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:49:09,197 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:49:09,326 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:49:09,336 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (90)] Forceful destruction successful, exit code 0 [2024-11-08 23:49:09,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:49:09,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:49:09,362 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:49:09,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:49:09,362 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:49:09,362 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:49:09,362 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:49:09,363 INFO L229 MonitoredProcess]: Starting monitored process 91 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:49:09,364 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (91)] Waiting until timeout for monitored process [2024-11-08 23:49:10,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:49:10,388 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:49:10,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:49:10,445 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:49:10,447 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:49:10,612 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:49:10,626 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (91)] Forceful destruction successful, exit code 0 [2024-11-08 23:49:10,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:49:10,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:49:10,656 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:49:10,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:49:10,656 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:49:10,656 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:49:10,657 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:49:10,660 INFO L229 MonitoredProcess]: Starting monitored process 92 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:49:10,662 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (92)] Waiting until timeout for monitored process [2024-11-08 23:49:11,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:49:11,776 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:49:11,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:49:11,829 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:49:11,831 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:49:11,997 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:49:12,016 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (92)] Ended with exit code 0 [2024-11-08 23:49:12,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:49:12,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:49:12,053 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:49:12,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:49:12,053 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:49:12,053 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:49:12,053 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:49:12,056 INFO L229 MonitoredProcess]: Starting monitored process 93 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:49:12,057 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (93)] Waiting until timeout for monitored process [2024-11-08 23:49:13,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:49:13,168 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:49:13,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:49:13,221 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:49:13,223 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:49:13,381 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:49:13,394 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (93)] Ended with exit code 0 [2024-11-08 23:49:13,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:49:13,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:49:13,430 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:49:13,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:49:13,430 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:49:13,430 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:49:13,430 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:49:13,434 INFO L229 MonitoredProcess]: Starting monitored process 94 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:49:13,435 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (94)] Waiting until timeout for monitored process [2024-11-08 23:49:14,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:49:14,618 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:49:14,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:49:14,687 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:49:14,690 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:49:14,918 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:49:14,937 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (94)] Ended with exit code 0 [2024-11-08 23:49:14,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:49:14,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:49:14,976 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:49:14,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:49:14,977 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:49:14,977 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:49:14,977 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:49:14,981 INFO L229 MonitoredProcess]: Starting monitored process 95 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:49:14,983 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (95)] Waiting until timeout for monitored process [2024-11-08 23:49:16,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:49:16,179 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:49:16,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:49:16,229 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:49:16,232 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:49:16,427 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:49:16,444 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (95)] Forceful destruction successful, exit code 0 [2024-11-08 23:49:16,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:49:16,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:49:16,483 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:49:16,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:49:16,483 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:49:16,483 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:49:16,484 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:49:16,487 INFO L229 MonitoredProcess]: Starting monitored process 96 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:49:16,488 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (96)] Waiting until timeout for monitored process [2024-11-08 23:49:17,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:49:17,611 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:49:17,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:49:17,664 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:49:17,666 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:49:17,833 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:49:17,847 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (96)] Ended with exit code 0 [2024-11-08 23:49:17,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:49:17,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:49:17,877 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:49:17,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:49:17,877 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:49:17,877 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:49:17,877 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:49:17,880 INFO L229 MonitoredProcess]: Starting monitored process 97 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:49:17,883 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (97)] Waiting until timeout for monitored process [2024-11-08 23:49:19,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:49:19,063 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:49:19,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:49:19,118 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:49:19,120 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:49:19,291 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:49:19,307 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (97)] Forceful destruction successful, exit code 0 [2024-11-08 23:49:19,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:49:19,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:49:19,346 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:49:19,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:49:19,346 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:49:19,347 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:49:19,347 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:49:19,350 INFO L229 MonitoredProcess]: Starting monitored process 98 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:49:19,352 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (98)] Waiting until timeout for monitored process [2024-11-08 23:49:20,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:49:20,558 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:49:20,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:49:20,610 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:49:20,612 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:49:20,770 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:49:20,784 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (98)] Ended with exit code 0 [2024-11-08 23:49:20,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:49:20,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:49:20,814 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:49:20,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:49:20,815 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:49:20,815 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:49:20,815 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:49:20,818 INFO L229 MonitoredProcess]: Starting monitored process 99 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:49:20,820 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (99)] Waiting until timeout for monitored process [2024-11-08 23:49:21,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:49:21,976 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:49:22,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:49:22,028 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:49:22,030 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:49:22,187 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:49:22,201 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (99)] Ended with exit code 0 [2024-11-08 23:49:22,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:49:22,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:49:22,230 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:49:22,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:49:22,231 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:49:22,231 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:49:22,231 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:49:22,232 INFO L229 MonitoredProcess]: Starting monitored process 100 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:49:22,233 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (100)] Waiting until timeout for monitored process [2024-11-08 23:49:23,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:49:23,384 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:49:23,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:49:23,440 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:49:23,442 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:49:23,602 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:49:23,622 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (100)] Forceful destruction successful, exit code 0 [2024-11-08 23:49:23,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:49:23,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:49:23,664 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:49:23,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:49:23,665 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:49:23,665 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:49:23,665 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:49:23,668 INFO L229 MonitoredProcess]: Starting monitored process 101 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:49:23,670 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (101)] Waiting until timeout for monitored process [2024-11-08 23:49:24,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:49:24,904 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:49:24,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:49:24,957 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:49:24,959 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:49:25,118 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:49:25,132 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (101)] Forceful destruction successful, exit code 0 [2024-11-08 23:49:25,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:49:25,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:49:25,162 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:49:25,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:49:25,162 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:49:25,163 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:49:25,163 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:49:25,166 INFO L229 MonitoredProcess]: Starting monitored process 102 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:49:25,169 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (102)] Waiting until timeout for monitored process [2024-11-08 23:49:26,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:49:26,195 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:49:26,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:49:26,239 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:49:26,240 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:49:26,376 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:49:26,392 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (102)] Ended with exit code 0 [2024-11-08 23:49:26,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:49:26,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:49:26,428 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:49:26,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:49:26,428 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:49:26,428 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:49:26,428 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:49:26,431 INFO L229 MonitoredProcess]: Starting monitored process 103 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:49:26,432 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (103)] Waiting until timeout for monitored process [2024-11-08 23:49:27,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:49:27,439 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:49:27,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:49:27,481 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:49:27,482 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:49:27,614 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:49:27,627 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (103)] Forceful destruction successful, exit code 0 [2024-11-08 23:49:27,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:49:27,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:49:27,652 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:49:27,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:49:27,652 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:49:27,653 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:49:27,653 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:49:27,655 INFO L229 MonitoredProcess]: Starting monitored process 104 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:49:27,657 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (104)] Waiting until timeout for monitored process [2024-11-08 23:49:28,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:49:28,753 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:49:28,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:49:28,815 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:49:28,818 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:49:29,030 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:49:29,050 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (104)] Forceful destruction successful, exit code 0 [2024-11-08 23:49:29,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:49:29,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:49:29,095 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:49:29,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:49:29,095 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:49:29,095 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:49:29,096 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:49:29,099 INFO L229 MonitoredProcess]: Starting monitored process 105 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:49:29,100 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (105)] Waiting until timeout for monitored process [2024-11-08 23:49:30,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:49:30,424 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:49:30,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:49:30,478 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:49:30,480 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:49:30,643 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:49:30,659 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (105)] Forceful destruction successful, exit code 0 [2024-11-08 23:49:30,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:49:30,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:49:30,688 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:49:30,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:49:30,689 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:49:30,689 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:49:30,689 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:49:30,690 INFO L229 MonitoredProcess]: Starting monitored process 106 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:49:30,692 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (106)] Waiting until timeout for monitored process [2024-11-08 23:49:31,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:49:31,936 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:49:31,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:49:32,001 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:49:32,003 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:49:32,165 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:49:32,179 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (106)] Forceful destruction successful, exit code 0 [2024-11-08 23:49:32,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:49:32,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:49:32,208 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:49:32,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:49:32,208 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:49:32,208 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:49:32,208 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:49:32,209 INFO L229 MonitoredProcess]: Starting monitored process 107 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:49:32,211 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (107)] Waiting until timeout for monitored process [2024-11-08 23:49:33,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:49:33,472 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:49:33,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:49:33,526 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:49:33,528 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:49:33,750 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:49:33,771 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (107)] Forceful destruction successful, exit code 0 [2024-11-08 23:49:33,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:49:33,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:49:33,816 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:49:33,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:49:33,816 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:49:33,817 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:49:33,817 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:49:33,818 INFO L229 MonitoredProcess]: Starting monitored process 108 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:49:33,819 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (108)] Waiting until timeout for monitored process [2024-11-08 23:49:35,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:49:35,103 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:49:35,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:49:35,156 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:49:35,158 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:49:35,323 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:49:35,342 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (108)] Forceful destruction successful, exit code 0 [2024-11-08 23:49:35,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:49:35,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:49:35,379 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:49:35,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:49:35,379 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:49:35,379 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:49:35,380 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:49:35,381 INFO L229 MonitoredProcess]: Starting monitored process 109 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:49:35,385 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (109)] Waiting until timeout for monitored process [2024-11-08 23:49:36,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:49:36,662 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:49:36,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:49:36,716 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:49:36,718 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:49:36,882 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:49:36,899 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (109)] Forceful destruction successful, exit code 0 [2024-11-08 23:49:36,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:49:36,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:49:36,928 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:49:36,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:49:36,929 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:49:36,929 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:49:36,929 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:49:36,932 INFO L229 MonitoredProcess]: Starting monitored process 110 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:49:36,933 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (110)] Waiting until timeout for monitored process [2024-11-08 23:49:38,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:49:38,205 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:49:38,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:49:38,260 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:49:38,262 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:49:38,422 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:49:38,438 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (110)] Ended with exit code 0 [2024-11-08 23:49:38,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:49:38,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:49:38,468 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:49:38,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:49:38,469 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:49:38,469 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:49:38,469 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:49:38,472 INFO L229 MonitoredProcess]: Starting monitored process 111 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:49:38,474 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (111)] Waiting until timeout for monitored process [2024-11-08 23:49:39,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:49:39,808 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:49:39,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:49:39,861 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:49:39,863 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:49:40,029 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:49:40,049 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (111)] Forceful destruction successful, exit code 0 [2024-11-08 23:49:40,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:49:40,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:49:40,086 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:49:40,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:49:40,086 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:49:40,086 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:49:40,086 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:49:40,089 INFO L229 MonitoredProcess]: Starting monitored process 112 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:49:40,092 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (112)] Waiting until timeout for monitored process [2024-11-08 23:49:41,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:49:41,387 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:49:41,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:49:41,440 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:49:41,442 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:49:41,647 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:49:41,662 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (112)] Forceful destruction successful, exit code 0 [2024-11-08 23:49:41,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:49:41,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:49:41,691 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:49:41,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:49:41,691 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:49:41,691 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:49:41,692 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:49:41,695 INFO L229 MonitoredProcess]: Starting monitored process 113 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:49:41,696 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (113)] Waiting until timeout for monitored process [2024-11-08 23:49:43,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:49:43,047 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:49:43,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:49:43,103 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:49:43,106 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:49:43,269 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:49:43,286 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (113)] Ended with exit code 0 [2024-11-08 23:49:43,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:49:43,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:49:43,315 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:49:43,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:49:43,315 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:49:43,315 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:49:43,315 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:49:43,317 INFO L229 MonitoredProcess]: Starting monitored process 114 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:49:43,318 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (114)] Waiting until timeout for monitored process [2024-11-08 23:49:44,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:49:44,649 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:49:44,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:49:44,698 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:49:44,699 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:49:44,815 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:49:44,828 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (114)] Forceful destruction successful, exit code 0 [2024-11-08 23:49:44,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:49:44,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:49:44,853 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:49:44,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:49:44,853 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:49:44,853 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:49:44,853 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:49:44,856 INFO L229 MonitoredProcess]: Starting monitored process 115 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:49:44,857 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (115)] Waiting until timeout for monitored process [2024-11-08 23:49:45,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:49:45,929 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:49:45,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:49:45,978 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:49:45,979 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:49:46,102 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:49:46,118 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (115)] Ended with exit code 0 [2024-11-08 23:49:46,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:49:46,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:49:46,151 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:49:46,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:49:46,151 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:49:46,152 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:49:46,152 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:49:46,157 INFO L229 MonitoredProcess]: Starting monitored process 116 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:49:46,157 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (116)] Waiting until timeout for monitored process [2024-11-08 23:49:47,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:49:47,256 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:49:47,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:49:47,302 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:49:47,303 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:49:47,483 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:49:47,500 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (116)] Forceful destruction successful, exit code 0 [2024-11-08 23:49:47,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:49:47,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:49:47,528 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:49:47,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:49:47,529 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:49:47,529 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:49:47,529 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:49:47,532 INFO L229 MonitoredProcess]: Starting monitored process 117 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:49:47,533 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (117)] Waiting until timeout for monitored process [2024-11-08 23:49:48,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:49:48,951 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:49:49,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:49:49,007 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:49:49,009 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:49:49,168 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:49:49,186 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (117)] Forceful destruction successful, exit code 0 [2024-11-08 23:49:49,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:49:49,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:49:49,216 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:49:49,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:49:49,216 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:49:49,217 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:49:49,217 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:49:49,220 INFO L229 MonitoredProcess]: Starting monitored process 118 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:49:49,221 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (118)] Waiting until timeout for monitored process [2024-11-08 23:49:50,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:49:50,621 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:49:50,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:49:50,674 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:49:50,676 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:49:50,821 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:49:50,839 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (118)] Ended with exit code 0 [2024-11-08 23:49:50,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:49:50,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:49:50,866 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:49:50,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:49:50,866 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:49:50,866 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:49:50,867 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:49:50,868 INFO L229 MonitoredProcess]: Starting monitored process 119 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:49:50,869 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (119)] Waiting until timeout for monitored process [2024-11-08 23:49:52,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:49:52,263 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:49:52,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:49:52,316 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:49:52,318 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:49:52,467 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:49:52,485 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (119)] Forceful destruction successful, exit code 0 [2024-11-08 23:49:52,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:49:52,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:49:52,514 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:49:52,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:49:52,514 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:49:52,514 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:49:52,515 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:49:52,516 INFO L229 MonitoredProcess]: Starting monitored process 120 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:49:52,517 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (120)] Waiting until timeout for monitored process [2024-11-08 23:49:53,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:49:53,976 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:49:54,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:49:54,032 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:49:54,033 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:49:54,186 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:49:54,203 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (120)] Forceful destruction successful, exit code 0 [2024-11-08 23:49:54,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:49:54,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:49:54,232 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:49:54,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:49:54,232 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:49:54,233 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:49:54,233 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:49:54,236 INFO L229 MonitoredProcess]: Starting monitored process 121 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:49:54,237 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (121)] Waiting until timeout for monitored process [2024-11-08 23:49:55,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:49:55,664 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:49:55,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:49:55,719 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:49:55,721 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:49:55,887 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:49:55,904 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (121)] Forceful destruction successful, exit code 0 [2024-11-08 23:49:55,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:49:55,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:49:55,932 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:49:55,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:49:55,933 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:49:55,933 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:49:55,933 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:49:55,934 INFO L229 MonitoredProcess]: Starting monitored process 122 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:49:55,936 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (122)] Waiting until timeout for monitored process [2024-11-08 23:49:57,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:49:57,292 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:49:57,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:49:57,347 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:49:57,349 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:49:57,509 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:49:57,533 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (122)] Forceful destruction successful, exit code 0 [2024-11-08 23:49:57,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:49:57,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:49:57,573 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:49:57,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:49:57,573 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:49:57,573 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:49:57,574 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:49:57,577 INFO L229 MonitoredProcess]: Starting monitored process 123 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:49:57,578 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (123)] Waiting until timeout for monitored process [2024-11-08 23:49:59,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:49:59,049 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:49:59,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:49:59,106 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:49:59,108 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:49:59,258 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:49:59,275 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (123)] Ended with exit code 0 [2024-11-08 23:49:59,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:49:59,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:49:59,303 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:49:59,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:49:59,303 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:49:59,303 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:49:59,304 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:49:59,305 INFO L229 MonitoredProcess]: Starting monitored process 124 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:49:59,306 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (124)] Waiting until timeout for monitored process [2024-11-08 23:50:00,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:50:00,769 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:50:00,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:50:00,822 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:50:00,824 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:50:00,968 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:50:00,985 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (124)] Forceful destruction successful, exit code 0 [2024-11-08 23:50:01,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:50:01,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:50:01,014 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:50:01,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:50:01,015 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:50:01,015 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:50:01,015 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:50:01,016 INFO L229 MonitoredProcess]: Starting monitored process 125 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:50:01,018 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (125)] Waiting until timeout for monitored process [2024-11-08 23:50:02,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:50:02,441 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:50:02,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:50:02,493 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:50:02,496 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:50:02,697 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:50:02,720 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (125)] Forceful destruction successful, exit code 0 [2024-11-08 23:50:02,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:50:02,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:50:02,787 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:50:02,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:50:02,788 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:50:02,788 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:50:02,788 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:50:02,789 INFO L229 MonitoredProcess]: Starting monitored process 126 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:50:02,791 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (126)] Waiting until timeout for monitored process [2024-11-08 23:50:04,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:50:04,202 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:50:04,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:50:04,243 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:50:04,245 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:50:04,363 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:50:04,378 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (126)] Ended with exit code 0 [2024-11-08 23:50:04,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:50:04,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:50:04,410 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:50:04,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:50:04,411 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:50:04,411 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:50:04,411 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:50:04,414 INFO L229 MonitoredProcess]: Starting monitored process 127 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:50:04,416 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (127)] Waiting until timeout for monitored process [2024-11-08 23:50:05,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:50:05,611 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:50:05,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:50:05,652 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:50:05,654 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:50:05,772 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:50:05,788 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (127)] Forceful destruction successful, exit code 0 [2024-11-08 23:50:05,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:50:05,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:50:05,821 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:50:05,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:50:05,822 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:50:05,822 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:50:05,822 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:50:05,824 INFO L229 MonitoredProcess]: Starting monitored process 128 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:50:05,825 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (128)] Waiting until timeout for monitored process [2024-11-08 23:50:07,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:50:07,117 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:50:07,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:50:07,166 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:50:07,167 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:50:07,329 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:50:07,356 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (128)] Forceful destruction successful, exit code 0 [2024-11-08 23:50:07,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:50:07,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:50:07,399 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:50:07,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:50:07,399 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:50:07,400 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:50:07,401 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:50:07,402 INFO L229 MonitoredProcess]: Starting monitored process 129 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:50:07,417 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (129)] Waiting until timeout for monitored process [2024-11-08 23:50:09,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:50:09,108 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:50:09,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:50:09,165 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:50:09,167 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:50:09,368 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:50:09,395 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (129)] Forceful destruction successful, exit code 0 [2024-11-08 23:50:09,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:50:09,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:50:09,438 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:50:09,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:50:09,438 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:50:09,438 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:50:09,439 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:50:09,441 INFO L229 MonitoredProcess]: Starting monitored process 130 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:50:09,442 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (130)] Waiting until timeout for monitored process [2024-11-08 23:50:10,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:50:10,979 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:50:11,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:50:11,034 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:50:11,036 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:50:11,201 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:50:11,220 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (130)] Ended with exit code 0 [2024-11-08 23:50:11,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:50:11,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:50:11,250 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:50:11,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:50:11,251 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:50:11,251 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:50:11,251 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:50:11,252 INFO L229 MonitoredProcess]: Starting monitored process 131 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:50:11,254 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (131)] Waiting until timeout for monitored process [2024-11-08 23:50:12,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:50:12,859 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:50:12,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:50:12,928 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:50:12,931 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:50:13,130 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:50:13,150 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (131)] Forceful destruction successful, exit code 0 [2024-11-08 23:50:13,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:50:13,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:50:13,180 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:50:13,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:50:13,180 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:50:13,180 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:50:13,181 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:50:13,182 INFO L229 MonitoredProcess]: Starting monitored process 132 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:50:13,183 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (132)] Waiting until timeout for monitored process [2024-11-08 23:50:14,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:50:14,688 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:50:14,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:50:14,735 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:50:14,736 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:50:14,868 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:50:14,890 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (132)] Ended with exit code 0 [2024-11-08 23:50:14,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:50:14,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:50:14,917 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:50:14,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:50:14,917 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:50:14,917 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:50:14,917 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:50:14,918 INFO L229 MonitoredProcess]: Starting monitored process 133 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:50:14,919 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (133)] Waiting until timeout for monitored process [2024-11-08 23:50:16,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:50:16,476 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:50:16,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:50:16,531 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:50:16,533 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:50:16,686 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:50:16,709 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (133)] Forceful destruction successful, exit code 0 [2024-11-08 23:50:16,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:50:16,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:50:16,737 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:50:16,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:50:16,737 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:50:16,738 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:50:16,738 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:50:16,741 INFO L229 MonitoredProcess]: Starting monitored process 134 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:50:16,743 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (134)] Waiting until timeout for monitored process [2024-11-08 23:50:18,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:50:18,336 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:50:18,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:50:18,391 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:50:18,393 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:50:18,547 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:50:18,567 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (134)] Ended with exit code 0 [2024-11-08 23:50:18,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:50:18,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:50:18,597 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:50:18,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:50:18,598 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:50:18,598 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:50:18,598 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:50:18,599 INFO L229 MonitoredProcess]: Starting monitored process 135 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:50:18,601 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (135)] Waiting until timeout for monitored process [2024-11-08 23:50:20,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:50:20,178 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:50:20,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:50:20,230 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:50:20,232 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:50:20,380 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:50:20,398 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (135)] Ended with exit code 0 [2024-11-08 23:50:20,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:50:20,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:50:20,427 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:50:20,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:50:20,427 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:50:20,428 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:50:20,428 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:50:20,429 INFO L229 MonitoredProcess]: Starting monitored process 136 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:50:20,430 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (136)] Waiting until timeout for monitored process [2024-11-08 23:50:21,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:50:21,951 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:50:22,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:50:22,004 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:50:22,006 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:50:22,156 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:50:22,176 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (136)] Ended with exit code 0 [2024-11-08 23:50:22,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:50:22,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:50:22,218 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:50:22,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:50:22,219 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:50:22,219 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:50:22,219 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:50:22,224 INFO L229 MonitoredProcess]: Starting monitored process 137 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:50:22,226 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (137)] Waiting until timeout for monitored process [2024-11-08 23:50:23,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:50:23,868 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:50:23,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:50:23,923 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:50:23,924 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:50:24,072 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:50:24,093 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (137)] Ended with exit code 0 [2024-11-08 23:50:24,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:50:24,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:50:24,132 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:50:24,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:50:24,132 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:50:24,132 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:50:24,132 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:50:24,136 INFO L229 MonitoredProcess]: Starting monitored process 138 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:50:24,137 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (138)] Waiting until timeout for monitored process [2024-11-08 23:50:25,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:50:25,463 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:50:25,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:50:25,504 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:50:25,506 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:50:25,632 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:50:25,650 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (138)] Forceful destruction successful, exit code 0 [2024-11-08 23:50:25,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:50:25,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:50:25,675 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:50:25,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:50:25,675 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:50:25,675 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:50:25,675 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:50:25,676 INFO L229 MonitoredProcess]: Starting monitored process 139 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:50:25,677 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (139)] Waiting until timeout for monitored process [2024-11-08 23:50:26,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:50:26,974 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:50:27,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:50:27,016 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:50:27,018 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:50:27,166 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:50:27,189 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (139)] Ended with exit code 0 [2024-11-08 23:50:27,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:50:27,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:50:27,225 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:50:27,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:50:27,225 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:50:27,225 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:50:27,225 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:50:27,228 INFO L229 MonitoredProcess]: Starting monitored process 140 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:50:27,232 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (140)] Waiting until timeout for monitored process [2024-11-08 23:50:28,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:50:28,844 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:50:28,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:50:28,900 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:50:28,901 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:50:29,072 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:50:29,094 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (140)] Ended with exit code 0 [2024-11-08 23:50:29,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:50:29,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:50:29,123 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:50:29,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:50:29,124 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:50:29,124 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:50:29,124 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:50:29,127 INFO L229 MonitoredProcess]: Starting monitored process 141 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:50:29,132 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (141)] Waiting until timeout for monitored process [2024-11-08 23:50:30,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:50:30,806 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:50:30,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:50:30,857 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:50:30,859 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:50:31,043 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:50:31,069 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (141)] Forceful destruction successful, exit code 0 [2024-11-08 23:50:31,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:50:31,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:50:31,106 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:50:31,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:50:31,106 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:50:31,106 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:50:31,106 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:50:31,107 INFO L229 MonitoredProcess]: Starting monitored process 142 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:50:31,109 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (142)] Waiting until timeout for monitored process [2024-11-08 23:50:32,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:50:32,782 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:50:32,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:50:32,835 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:50:32,837 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:50:33,032 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:50:33,054 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (142)] Ended with exit code 0 [2024-11-08 23:50:33,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:50:33,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:50:33,083 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:50:33,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:50:33,083 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:50:33,083 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:50:33,083 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:50:33,085 INFO L229 MonitoredProcess]: Starting monitored process 143 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:50:33,086 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (143)] Waiting until timeout for monitored process [2024-11-08 23:50:34,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:50:34,760 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:50:34,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:50:34,812 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:50:34,813 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:50:34,957 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:50:34,977 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (143)] Forceful destruction successful, exit code 0 [2024-11-08 23:50:35,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:50:35,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:50:35,004 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:50:35,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:50:35,004 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:50:35,004 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:50:35,004 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:50:35,005 INFO L229 MonitoredProcess]: Starting monitored process 144 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:50:35,007 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (144)] Waiting until timeout for monitored process [2024-11-08 23:50:36,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:50:36,578 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:50:36,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:50:36,630 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:50:36,632 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:50:36,778 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:50:36,798 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (144)] Forceful destruction successful, exit code 0 [2024-11-08 23:50:36,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:50:36,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:50:36,826 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:50:36,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:50:36,826 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:50:36,826 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:50:36,826 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:50:36,827 INFO L229 MonitoredProcess]: Starting monitored process 145 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:50:36,834 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (145)] Waiting until timeout for monitored process [2024-11-08 23:50:38,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:50:38,516 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:50:38,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:50:38,569 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:50:38,571 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:50:38,732 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:50:38,753 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (145)] Ended with exit code 0 [2024-11-08 23:50:38,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:50:38,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:50:38,791 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:50:38,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:50:38,791 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:50:38,791 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:50:38,791 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:50:38,794 INFO L229 MonitoredProcess]: Starting monitored process 146 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:50:38,795 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (146)] Waiting until timeout for monitored process [2024-11-08 23:50:40,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:50:40,420 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:50:40,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:50:40,471 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:50:40,473 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:50:40,629 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:50:40,650 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (146)] Ended with exit code 0 [2024-11-08 23:50:40,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:50:40,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:50:40,677 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:50:40,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:50:40,678 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:50:40,678 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:50:40,678 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:50:40,679 INFO L229 MonitoredProcess]: Starting monitored process 147 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:50:40,681 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (147)] Waiting until timeout for monitored process [2024-11-08 23:50:42,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:50:42,332 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:50:42,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:50:42,388 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:50:42,390 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:50:42,583 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:50:42,610 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (147)] Ended with exit code 0 [2024-11-08 23:50:42,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:50:42,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:50:42,650 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:50:42,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:50:42,651 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:50:42,651 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:50:42,651 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:50:42,654 INFO L229 MonitoredProcess]: Starting monitored process 148 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:50:42,656 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (148)] Waiting until timeout for monitored process [2024-11-08 23:50:44,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:50:44,312 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:50:44,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:50:44,366 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:50:44,368 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:50:44,503 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:50:44,521 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (148)] Ended with exit code 0 [2024-11-08 23:50:44,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:50:44,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:50:44,544 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:50:44,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:50:44,544 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:50:44,544 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:50:44,544 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:50:44,545 INFO L229 MonitoredProcess]: Starting monitored process 149 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:50:44,546 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (149)] Waiting until timeout for monitored process [2024-11-08 23:50:45,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:50:45,925 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:50:45,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:50:45,967 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:50:45,968 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:50:46,085 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:50:46,103 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (149)] Ended with exit code 0 [2024-11-08 23:50:46,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:50:46,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:50:46,126 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:50:46,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:50:46,126 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:50:46,126 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:50:46,126 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:50:46,127 INFO L229 MonitoredProcess]: Starting monitored process 150 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:50:46,128 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (150)] Waiting until timeout for monitored process [2024-11-08 23:50:47,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:50:47,539 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:50:47,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:50:47,587 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:50:47,589 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:50:47,741 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:50:47,764 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (150)] Forceful destruction successful, exit code 0 [2024-11-08 23:50:47,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:50:47,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:50:47,795 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:50:47,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:50:47,795 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:50:47,795 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:50:47,795 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:50:47,796 INFO L229 MonitoredProcess]: Starting monitored process 151 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:50:47,798 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (151)] Waiting until timeout for monitored process [2024-11-08 23:50:49,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:50:49,584 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:50:49,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:50:49,639 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:50:49,641 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:50:49,788 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:50:49,811 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (151)] Forceful destruction successful, exit code 0 [2024-11-08 23:50:49,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:50:49,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:50:49,839 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:50:49,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:50:49,840 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:50:49,840 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:50:49,840 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:50:49,841 INFO L229 MonitoredProcess]: Starting monitored process 152 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:50:49,842 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (152)] Waiting until timeout for monitored process [2024-11-08 23:50:51,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:50:51,598 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:50:51,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:50:51,650 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:50:51,652 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:50:51,824 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:50:51,845 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (152)] Forceful destruction successful, exit code 0 [2024-11-08 23:50:51,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:50:51,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:50:51,886 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:50:51,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:50:51,886 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:50:51,886 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:50:51,886 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:50:51,887 INFO L229 MonitoredProcess]: Starting monitored process 153 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:50:51,888 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (153)] Waiting until timeout for monitored process [2024-11-08 23:50:53,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:50:53,670 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:50:53,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:50:53,723 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:50:53,725 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:50:53,888 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:50:53,910 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (153)] Forceful destruction successful, exit code 0 [2024-11-08 23:50:53,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:50:53,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:50:53,939 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:50:53,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:50:53,939 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:50:53,939 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:50:53,940 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:50:53,941 INFO L229 MonitoredProcess]: Starting monitored process 154 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:50:53,942 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (154)] Waiting until timeout for monitored process [2024-11-08 23:50:55,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:50:55,673 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:50:55,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:50:55,727 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:50:55,729 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:50:55,890 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:50:55,912 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (154)] Forceful destruction successful, exit code 0 [2024-11-08 23:50:55,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:50:55,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:50:55,940 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:50:55,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:50:55,940 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:50:55,940 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:50:55,941 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:50:55,942 INFO L229 MonitoredProcess]: Starting monitored process 155 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:50:55,943 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (155)] Waiting until timeout for monitored process [2024-11-08 23:50:57,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:50:57,716 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:50:57,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:50:57,769 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:50:57,771 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:50:57,946 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:50:57,968 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (155)] Ended with exit code 0 [2024-11-08 23:50:57,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:50:57,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:50:57,998 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:50:57,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:50:57,998 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:50:57,998 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:50:57,998 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:50:57,999 INFO L229 MonitoredProcess]: Starting monitored process 156 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:50:58,001 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (156)] Waiting until timeout for monitored process [2024-11-08 23:50:59,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:50:59,810 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:50:59,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:50:59,861 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:50:59,863 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:51:00,013 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:51:00,034 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (156)] Forceful destruction successful, exit code 0 [2024-11-08 23:51:00,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:51:00,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:51:00,061 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:51:00,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:51:00,061 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:51:00,062 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:51:00,062 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:51:00,065 INFO L229 MonitoredProcess]: Starting monitored process 157 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:51:00,069 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (157)] Waiting until timeout for monitored process [2024-11-08 23:51:01,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:51:01,716 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:51:01,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:51:01,768 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:51:01,770 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:51:01,909 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:51:01,930 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (157)] Ended with exit code 0 [2024-11-08 23:51:01,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:51:01,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:51:01,957 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:51:01,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:51:01,957 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:51:01,957 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:51:01,957 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:51:01,958 INFO L229 MonitoredProcess]: Starting monitored process 158 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:51:01,959 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (158)] Waiting until timeout for monitored process [2024-11-08 23:51:03,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:51:03,763 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:51:03,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:51:03,817 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:51:03,819 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:51:03,968 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:51:03,991 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (158)] Ended with exit code 0 [2024-11-08 23:51:04,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:51:04,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:51:04,029 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:51:04,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:51:04,030 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:51:04,030 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:51:04,030 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:51:04,031 INFO L229 MonitoredProcess]: Starting monitored process 159 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:51:04,032 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (159)] Waiting until timeout for monitored process [2024-11-08 23:51:05,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:51:05,609 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:51:05,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:51:05,652 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:51:05,653 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:51:05,777 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:51:05,796 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (159)] Forceful destruction successful, exit code 0 [2024-11-08 23:51:05,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:51:05,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:51:05,818 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:51:05,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:51:05,819 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:51:05,819 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:51:05,819 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:51:05,820 INFO L229 MonitoredProcess]: Starting monitored process 160 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:51:05,821 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (160)] Waiting until timeout for monitored process [2024-11-08 23:51:07,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:51:07,288 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:51:07,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:51:07,333 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:51:07,334 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:51:07,470 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:51:07,491 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (160)] Ended with exit code 0 [2024-11-08 23:51:07,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:51:07,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:51:07,518 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:51:07,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:51:07,518 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:51:07,519 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:51:07,519 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:51:07,520 INFO L229 MonitoredProcess]: Starting monitored process 161 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:51:07,521 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (161)] Waiting until timeout for monitored process [2024-11-08 23:51:09,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:51:09,279 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:51:09,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:51:09,345 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:51:09,346 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:51:09,497 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:51:09,521 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (161)] Ended with exit code 0 [2024-11-08 23:51:09,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:51:09,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:51:09,551 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:51:09,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:51:09,551 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:51:09,551 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:51:09,552 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:51:09,553 INFO L229 MonitoredProcess]: Starting monitored process 162 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:51:09,554 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (162)] Waiting until timeout for monitored process [2024-11-08 23:51:11,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:51:11,404 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:51:11,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:51:11,457 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:51:11,459 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:51:11,604 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:51:11,627 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (162)] Ended with exit code 0 [2024-11-08 23:51:11,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:51:11,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:51:11,654 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:51:11,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:51:11,654 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:51:11,655 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:51:11,655 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:51:11,658 INFO L229 MonitoredProcess]: Starting monitored process 163 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:51:11,660 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (163)] Waiting until timeout for monitored process [2024-11-08 23:51:13,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:51:13,503 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:51:13,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:51:13,557 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:51:13,559 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:51:13,709 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:51:13,734 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (163)] Ended with exit code 0 [2024-11-08 23:51:13,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:51:13,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:51:13,762 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:51:13,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:51:13,763 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:51:13,763 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:51:13,763 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:51:13,766 INFO L229 MonitoredProcess]: Starting monitored process 164 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:51:13,770 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (164)] Waiting until timeout for monitored process [2024-11-08 23:51:15,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:51:15,659 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:51:15,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:51:15,711 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:51:15,713 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:51:15,858 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:51:15,882 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (164)] Ended with exit code 0 [2024-11-08 23:51:15,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:51:15,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:51:15,922 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:51:15,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:51:15,922 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:51:15,922 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:51:15,922 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:51:15,923 INFO L229 MonitoredProcess]: Starting monitored process 165 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:51:15,924 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (165)] Waiting until timeout for monitored process [2024-11-08 23:51:17,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:51:17,792 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:51:17,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:51:17,846 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:51:17,848 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:51:18,006 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:51:18,029 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (165)] Ended with exit code 0 [2024-11-08 23:51:18,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:51:18,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:51:18,057 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:51:18,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:51:18,057 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:51:18,058 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:51:18,058 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:51:18,061 INFO L229 MonitoredProcess]: Starting monitored process 166 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:51:18,062 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (166)] Waiting until timeout for monitored process [2024-11-08 23:51:19,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:51:19,993 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:51:20,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:51:20,047 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:51:20,049 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:51:20,208 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:51:20,231 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (166)] Forceful destruction successful, exit code 0 [2024-11-08 23:51:20,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:51:20,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:51:20,258 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:51:20,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:51:20,259 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:51:20,259 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:51:20,259 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:51:20,260 INFO L229 MonitoredProcess]: Starting monitored process 167 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:51:20,261 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (167)] Waiting until timeout for monitored process [2024-11-08 23:51:22,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:51:22,045 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:51:22,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:51:22,094 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:51:22,096 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:51:22,237 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:51:22,260 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (167)] Forceful destruction successful, exit code 0 [2024-11-08 23:51:22,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:51:22,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:51:22,286 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:51:22,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:51:22,287 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:51:22,287 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:51:22,287 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:51:22,288 INFO L229 MonitoredProcess]: Starting monitored process 168 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:51:22,291 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (168)] Waiting until timeout for monitored process [2024-11-08 23:51:24,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:51:24,266 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:51:24,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:51:24,318 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:51:24,320 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:51:24,465 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:51:24,489 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (168)] Ended with exit code 0 [2024-11-08 23:51:24,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:51:24,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:51:24,517 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:51:24,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:51:24,517 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:51:24,518 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:51:24,518 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:51:24,519 INFO L229 MonitoredProcess]: Starting monitored process 169 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:51:24,521 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (169)] Waiting until timeout for monitored process [2024-11-08 23:51:26,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:51:26,228 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:51:26,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:51:26,270 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:51:26,271 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:51:26,387 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:51:26,407 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (169)] Forceful destruction successful, exit code 0 [2024-11-08 23:51:26,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:51:26,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:51:26,437 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:51:26,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:51:26,437 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:51:26,437 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:51:26,437 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:51:26,438 INFO L229 MonitoredProcess]: Starting monitored process 170 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:51:26,439 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (170)] Waiting until timeout for monitored process [2024-11-08 23:51:27,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:51:27,996 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:51:28,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:51:28,038 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:51:28,039 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:51:28,166 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:51:28,186 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (170)] Forceful destruction successful, exit code 0 [2024-11-08 23:51:28,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:51:28,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:51:28,209 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:51:28,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:51:28,209 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:51:28,209 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:51:28,209 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:51:28,210 INFO L229 MonitoredProcess]: Starting monitored process 171 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:51:28,212 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (171)] Waiting until timeout for monitored process [2024-11-08 23:51:29,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:51:29,797 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:51:29,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:51:29,842 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:51:29,844 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:51:29,978 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:51:30,002 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (171)] Ended with exit code 0 [2024-11-08 23:51:30,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:51:30,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:51:30,026 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:51:30,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:51:30,026 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:51:30,026 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:51:30,026 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:51:30,027 INFO L229 MonitoredProcess]: Starting monitored process 172 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:51:30,029 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (172)] Waiting until timeout for monitored process [2024-11-08 23:51:31,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:51:31,632 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:51:31,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:51:31,674 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:51:31,675 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:51:31,794 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:51:31,818 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (172)] Ended with exit code 0 [2024-11-08 23:51:31,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:51:31,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:51:31,845 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:51:31,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:51:31,846 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:51:31,846 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:51:31,846 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:51:31,847 INFO L229 MonitoredProcess]: Starting monitored process 173 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:51:31,849 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (173)] Waiting until timeout for monitored process [2024-11-08 23:51:33,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:51:33,878 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:51:33,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:51:33,931 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:51:33,933 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:51:34,082 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:51:34,109 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (173)] Ended with exit code 0 [2024-11-08 23:51:34,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:51:34,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:51:34,139 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:51:34,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:51:34,139 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:51:34,140 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:51:34,140 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:51:34,142 INFO L229 MonitoredProcess]: Starting monitored process 174 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:51:34,143 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (174)] Waiting until timeout for monitored process [2024-11-08 23:51:36,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:51:36,174 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:51:36,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:51:36,218 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:51:36,220 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:51:36,362 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:51:36,387 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (174)] Ended with exit code 0 [2024-11-08 23:51:36,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:51:36,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:51:36,425 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:51:36,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:51:36,426 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:51:36,426 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:51:36,426 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:51:36,427 INFO L229 MonitoredProcess]: Starting monitored process 175 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:51:36,428 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (175)] Waiting until timeout for monitored process [2024-11-08 23:51:38,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:51:38,431 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:51:38,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:51:38,484 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:51:38,486 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:51:38,642 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:51:38,667 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (175)] Forceful destruction successful, exit code 0 [2024-11-08 23:51:38,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:51:38,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:51:38,694 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:51:38,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:51:38,695 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:51:38,695 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:51:38,695 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:51:38,696 INFO L229 MonitoredProcess]: Starting monitored process 176 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:51:38,697 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (176)] Waiting until timeout for monitored process [2024-11-08 23:51:40,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:51:40,732 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:51:40,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:51:40,784 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:51:40,786 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:51:40,947 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:51:40,972 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (176)] Ended with exit code 0 [2024-11-08 23:51:40,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:51:40,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:51:40,999 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:51:41,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:51:41,000 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:51:41,000 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:51:41,000 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:51:41,001 INFO L229 MonitoredProcess]: Starting monitored process 177 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:51:41,002 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (177)] Waiting until timeout for monitored process [2024-11-08 23:51:42,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:51:42,956 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:51:43,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:51:43,007 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:51:43,009 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:51:43,153 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:51:43,178 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (177)] Ended with exit code 0 [2024-11-08 23:51:43,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:51:43,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:51:43,206 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:51:43,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:51:43,206 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:51:43,206 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:51:43,206 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:51:43,207 INFO L229 MonitoredProcess]: Starting monitored process 178 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:51:43,209 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (178)] Waiting until timeout for monitored process [2024-11-08 23:51:45,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:51:45,243 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:51:45,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:51:45,300 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:51:45,302 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:51:45,450 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:51:45,475 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (178)] Ended with exit code 0 [2024-11-08 23:51:45,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:51:45,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:51:45,515 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:51:45,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:51:45,515 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:51:45,516 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:51:45,516 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:51:45,519 INFO L229 MonitoredProcess]: Starting monitored process 179 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:51:45,520 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (179)] Waiting until timeout for monitored process [2024-11-08 23:51:47,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:51:47,276 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:51:47,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:51:47,317 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:51:47,319 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:51:47,454 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:51:47,476 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (179)] Ended with exit code 0 [2024-11-08 23:51:47,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:51:47,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:51:47,500 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:51:47,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:51:47,500 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:51:47,500 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:51:47,500 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:51:47,501 INFO L229 MonitoredProcess]: Starting monitored process 180 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:51:47,502 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (180)] Waiting until timeout for monitored process [2024-11-08 23:51:49,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:51:49,143 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:51:49,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:51:49,184 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:51:49,185 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:51:49,313 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:51:49,335 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (180)] Forceful destruction successful, exit code 0 [2024-11-08 23:51:49,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:51:49,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:51:49,363 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:51:49,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:51:49,364 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:51:49,364 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:51:49,364 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:51:49,365 INFO L229 MonitoredProcess]: Starting monitored process 181 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:51:49,366 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (181)] Waiting until timeout for monitored process [2024-11-08 23:51:51,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:51:51,349 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:51:51,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:51:51,404 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:51:51,406 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:51:51,554 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:51:51,581 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (181)] Ended with exit code 0 [2024-11-08 23:51:51,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:51:51,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:51:51,611 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:51:51,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:51:51,611 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:51:51,611 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:51:51,611 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:51:51,612 INFO L229 MonitoredProcess]: Starting monitored process 182 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:51:51,614 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (182)] Waiting until timeout for monitored process [2024-11-08 23:51:53,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:51:53,687 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:51:53,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:51:53,738 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:51:53,740 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:51:53,886 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:51:53,913 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (182)] Ended with exit code 0 [2024-11-08 23:51:53,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:51:53,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:51:53,944 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:51:53,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:51:53,944 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:51:53,944 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:51:53,944 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:51:53,945 INFO L229 MonitoredProcess]: Starting monitored process 183 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:51:53,952 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (183)] Waiting until timeout for monitored process [2024-11-08 23:51:56,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:51:56,036 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:51:56,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:51:56,091 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:51:56,093 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:51:56,261 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:51:56,288 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (183)] Forceful destruction successful, exit code 0 [2024-11-08 23:51:56,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:51:56,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:51:56,318 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:51:56,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:51:56,318 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:51:56,318 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:51:56,318 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:51:56,319 INFO L229 MonitoredProcess]: Starting monitored process 184 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:51:56,321 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (184)] Waiting until timeout for monitored process [2024-11-08 23:51:58,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:51:58,418 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:51:58,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:51:58,470 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:51:58,472 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:51:58,634 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:51:58,661 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (184)] Forceful destruction successful, exit code 0 [2024-11-08 23:51:58,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:51:58,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:51:58,689 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:51:58,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:51:58,690 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:51:58,690 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:51:58,690 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:51:58,691 INFO L229 MonitoredProcess]: Starting monitored process 185 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:51:58,693 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (185)] Waiting until timeout for monitored process [2024-11-08 23:52:00,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:52:00,831 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:52:00,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:52:00,884 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:52:00,886 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:52:01,037 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:52:01,064 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (185)] Ended with exit code 0 [2024-11-08 23:52:01,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:52:01,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:52:01,093 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:52:01,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:52:01,093 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:52:01,093 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:52:01,093 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:52:01,094 INFO L229 MonitoredProcess]: Starting monitored process 186 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:52:01,096 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (186)] Waiting until timeout for monitored process [2024-11-08 23:52:03,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:52:03,298 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:52:03,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:52:03,353 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:52:03,355 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:52:03,512 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:52:03,537 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (186)] Forceful destruction successful, exit code 0 [2024-11-08 23:52:03,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:52:03,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:52:03,577 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:52:03,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:52:03,578 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:52:03,578 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:52:03,578 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:52:03,579 INFO L229 MonitoredProcess]: Starting monitored process 187 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:52:03,580 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (187)] Waiting until timeout for monitored process [2024-11-08 23:52:05,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:52:05,566 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:52:05,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:52:05,619 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:52:05,621 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:52:05,778 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:52:05,806 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (187)] Forceful destruction successful, exit code 0 [2024-11-08 23:52:05,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:52:05,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:52:05,835 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:52:05,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:52:05,835 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:52:05,836 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:52:05,836 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:52:05,837 INFO L229 MonitoredProcess]: Starting monitored process 188 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:52:05,838 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (188)] Waiting until timeout for monitored process [2024-11-08 23:52:07,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:52:07,985 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:52:08,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:52:08,037 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:52:08,039 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:52:08,181 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:52:08,205 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (188)] Forceful destruction successful, exit code 0 [2024-11-08 23:52:08,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:52:08,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:52:08,231 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:52:08,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:52:08,231 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:52:08,231 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:52:08,231 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:52:08,232 INFO L229 MonitoredProcess]: Starting monitored process 189 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:52:08,234 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (189)] Waiting until timeout for monitored process [2024-11-08 23:52:09,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:52:09,954 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:52:09,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:52:09,995 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:52:09,997 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:52:10,111 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:52:10,135 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (189)] Ended with exit code 0 [2024-11-08 23:52:10,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:52:10,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:52:10,160 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:52:10,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:52:10,160 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:52:10,160 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:52:10,160 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:52:10,161 INFO L229 MonitoredProcess]: Starting monitored process 190 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:52:10,162 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (190)] Waiting until timeout for monitored process [2024-11-08 23:52:11,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:52:11,933 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:52:11,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:52:11,987 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:52:11,989 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:52:12,143 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:52:12,173 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (190)] Ended with exit code 0 [2024-11-08 23:52:12,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:52:12,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:52:12,215 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:52:12,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:52:12,215 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:52:12,215 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:52:12,215 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:52:12,217 INFO L229 MonitoredProcess]: Starting monitored process 191 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:52:12,218 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (191)] Waiting until timeout for monitored process [2024-11-08 23:52:14,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:52:14,458 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:52:14,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:52:14,512 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:52:14,514 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:52:14,673 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:52:14,701 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (191)] Forceful destruction successful, exit code 0 [2024-11-08 23:52:14,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:52:14,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:52:14,729 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:52:14,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:52:14,730 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:52:14,730 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:52:14,730 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:52:14,731 INFO L229 MonitoredProcess]: Starting monitored process 192 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:52:14,736 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (192)] Waiting until timeout for monitored process [2024-11-08 23:52:16,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:52:16,869 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:52:16,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:52:16,923 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:52:16,925 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:52:17,117 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:52:17,144 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (192)] Ended with exit code 0 [2024-11-08 23:52:17,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:52:17,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:52:17,173 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:52:17,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:52:17,173 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:52:17,173 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:52:17,173 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:52:17,177 INFO L229 MonitoredProcess]: Starting monitored process 193 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:52:17,178 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (193)] Waiting until timeout for monitored process [2024-11-08 23:52:19,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:52:19,417 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:52:19,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:52:19,474 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:52:19,476 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:52:19,619 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:52:19,647 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (193)] Forceful destruction successful, exit code 0 [2024-11-08 23:52:19,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:52:19,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:52:19,688 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:52:19,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:52:19,688 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:52:19,688 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:52:19,688 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:52:19,689 INFO L229 MonitoredProcess]: Starting monitored process 194 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:52:19,691 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (194)] Waiting until timeout for monitored process [2024-11-08 23:52:21,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:52:21,889 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:52:21,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:52:21,943 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:52:21,945 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:52:22,101 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:52:22,129 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (194)] Ended with exit code 0 [2024-11-08 23:52:22,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:52:22,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:52:22,158 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:52:22,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:52:22,159 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:52:22,159 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:52:22,159 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:52:22,160 INFO L229 MonitoredProcess]: Starting monitored process 195 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:52:22,161 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (195)] Waiting until timeout for monitored process [2024-11-08 23:52:24,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:52:24,438 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:52:24,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:52:24,503 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:52:24,505 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:52:24,654 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:52:24,682 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (195)] Ended with exit code 0 [2024-11-08 23:52:24,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:52:24,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:52:24,710 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:52:24,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:52:24,710 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:52:24,710 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:52:24,710 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:52:24,713 INFO L229 MonitoredProcess]: Starting monitored process 196 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:52:24,715 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (196)] Waiting until timeout for monitored process [2024-11-08 23:52:26,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:52:26,793 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:52:26,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:52:26,845 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:52:26,847 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:52:26,989 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:52:27,017 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (196)] Ended with exit code 0 [2024-11-08 23:52:27,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:52:27,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:52:27,044 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:52:27,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:52:27,044 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:52:27,045 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:52:27,045 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:52:27,046 INFO L229 MonitoredProcess]: Starting monitored process 197 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:52:27,047 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (197)] Waiting until timeout for monitored process [2024-11-08 23:52:29,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:52:29,232 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:52:29,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:52:29,284 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:52:29,286 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:52:29,445 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:52:29,473 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (197)] Forceful destruction successful, exit code 0 [2024-11-08 23:52:29,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:52:29,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:52:29,501 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:52:29,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:52:29,501 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:52:29,501 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:52:29,501 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:52:29,502 INFO L229 MonitoredProcess]: Starting monitored process 198 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:52:29,504 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (198)] Waiting until timeout for monitored process [2024-11-08 23:52:31,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:52:31,471 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:52:31,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:52:31,512 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:52:31,513 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:52:31,636 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:52:31,660 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (198)] Forceful destruction successful, exit code 0 [2024-11-08 23:52:31,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:52:31,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:52:31,686 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:52:31,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:52:31,686 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:52:31,686 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:52:31,686 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:52:31,687 INFO L229 MonitoredProcess]: Starting monitored process 199 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:52:31,688 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (199)] Waiting until timeout for monitored process [2024-11-08 23:52:33,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:52:33,523 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:52:33,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:52:33,566 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:52:33,567 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:52:33,683 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:52:33,708 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (199)] Ended with exit code 0 [2024-11-08 23:52:33,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:52:33,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:52:33,732 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:52:33,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:52:33,732 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:52:33,732 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:52:33,732 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:52:33,733 INFO L229 MonitoredProcess]: Starting monitored process 200 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:52:33,734 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (200)] Waiting until timeout for monitored process [2024-11-08 23:52:35,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:52:35,951 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:52:36,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:52:36,005 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:52:36,006 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:52:36,188 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:52:36,220 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (200)] Forceful destruction successful, exit code 0 [2024-11-08 23:52:36,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:52:36,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:52:36,245 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:52:36,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:52:36,245 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:52:36,245 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:52:36,245 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:52:36,246 INFO L229 MonitoredProcess]: Starting monitored process 201 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:52:36,248 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (201)] Waiting until timeout for monitored process [2024-11-08 23:52:38,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:52:38,099 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:52:38,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:52:38,151 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:52:38,153 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:52:38,315 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:52:38,344 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (201)] Ended with exit code 0 [2024-11-08 23:52:38,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:52:38,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:52:38,370 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:52:38,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:52:38,371 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:52:38,371 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:52:38,371 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:52:38,372 INFO L229 MonitoredProcess]: Starting monitored process 202 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:52:38,373 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (202)] Waiting until timeout for monitored process [2024-11-08 23:52:40,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:52:40,664 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:52:40,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:52:40,717 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:52:40,719 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:52:40,865 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:52:40,895 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (202)] Forceful destruction successful, exit code 0 [2024-11-08 23:52:40,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:52:40,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:52:40,923 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:52:40,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:52:40,924 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:52:40,924 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:52:40,924 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:52:40,925 INFO L229 MonitoredProcess]: Starting monitored process 203 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:52:40,926 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (203)] Waiting until timeout for monitored process [2024-11-08 23:52:43,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:52:43,271 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:52:43,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:52:43,324 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:52:43,326 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:52:43,485 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:52:43,514 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (203)] Forceful destruction successful, exit code 0 [2024-11-08 23:52:43,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:52:43,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:52:43,543 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:52:43,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:52:43,543 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:52:43,543 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:52:43,543 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:52:43,544 INFO L229 MonitoredProcess]: Starting monitored process 204 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:52:43,546 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (204)] Waiting until timeout for monitored process [2024-11-08 23:52:45,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:52:45,877 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:52:45,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:52:45,929 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:52:45,931 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:52:46,092 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:52:46,122 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (204)] Ended with exit code 0 [2024-11-08 23:52:46,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:52:46,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:52:46,147 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:52:46,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:52:46,147 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:52:46,147 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:52:46,147 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:52:46,149 INFO L229 MonitoredProcess]: Starting monitored process 205 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:52:46,150 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (205)] Waiting until timeout for monitored process [2024-11-08 23:52:48,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:52:48,407 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:52:48,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:52:48,460 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:52:48,461 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:52:48,603 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:52:48,631 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (205)] Ended with exit code 0 [2024-11-08 23:52:48,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:52:48,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:52:48,657 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:52:48,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:52:48,657 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:52:48,658 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:52:48,658 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:52:48,659 INFO L229 MonitoredProcess]: Starting monitored process 206 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:52:48,660 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (206)] Waiting until timeout for monitored process [2024-11-08 23:52:50,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:52:50,849 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:52:50,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:52:50,903 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:52:50,905 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:52:51,066 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:52:51,095 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (206)] Ended with exit code 0 [2024-11-08 23:52:51,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:52:51,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:52:51,123 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:52:51,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:52:51,124 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:52:51,124 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:52:51,124 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:52:51,125 INFO L229 MonitoredProcess]: Starting monitored process 207 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:52:51,126 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (207)] Waiting until timeout for monitored process [2024-11-08 23:52:53,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:52:53,341 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:52:53,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:52:53,383 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:52:53,385 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:52:53,510 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:52:53,536 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (207)] Forceful destruction successful, exit code 0 [2024-11-08 23:52:53,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:52:53,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:52:53,560 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:52:53,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:52:53,560 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:52:53,560 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:52:53,560 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:52:53,561 INFO L229 MonitoredProcess]: Starting monitored process 208 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:52:53,562 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (208)] Waiting until timeout for monitored process [2024-11-08 23:52:55,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:52:55,455 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:52:55,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:52:55,498 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:52:55,500 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:52:55,617 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:52:55,644 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (208)] Ended with exit code 0 [2024-11-08 23:52:55,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:52:55,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:52:55,670 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:52:55,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:52:55,670 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:52:55,670 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:52:55,670 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:52:55,671 INFO L229 MonitoredProcess]: Starting monitored process 209 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:52:55,673 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (209)] Waiting until timeout for monitored process [2024-11-08 23:52:57,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:52:57,614 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:52:57,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:52:57,666 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:52:57,668 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:52:57,830 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:52:57,861 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (209)] Ended with exit code 0 [2024-11-08 23:52:57,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:52:57,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:52:57,890 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:52:57,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:52:57,890 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:52:57,890 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:52:57,891 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:52:57,892 INFO L229 MonitoredProcess]: Starting monitored process 210 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:52:57,893 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (210)] Waiting until timeout for monitored process [2024-11-08 23:53:00,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:53:00,292 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:53:00,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:53:00,346 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:53:00,348 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:53:00,506 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:53:00,535 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (210)] Ended with exit code 0 [2024-11-08 23:53:00,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:53:00,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:53:00,563 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:53:00,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:53:00,564 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:53:00,564 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:53:00,564 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:53:00,567 INFO L229 MonitoredProcess]: Starting monitored process 211 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:53:00,570 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (211)] Waiting until timeout for monitored process [2024-11-08 23:53:03,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:53:03,018 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:53:03,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:53:03,074 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:53:03,076 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:53:03,228 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:53:03,259 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (211)] Forceful destruction successful, exit code 0 [2024-11-08 23:53:03,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:53:03,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:53:03,289 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:53:03,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:53:03,289 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:53:03,289 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:53:03,289 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:53:03,290 INFO L229 MonitoredProcess]: Starting monitored process 212 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:53:03,292 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (212)] Waiting until timeout for monitored process [2024-11-08 23:53:05,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:53:05,700 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:53:05,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:53:05,756 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:53:05,758 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:53:05,921 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:53:05,952 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (212)] Forceful destruction successful, exit code 0 [2024-11-08 23:53:05,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:53:05,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:53:05,981 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:53:05,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:53:05,981 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:53:05,982 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:53:05,982 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:53:05,983 INFO L229 MonitoredProcess]: Starting monitored process 213 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:53:05,985 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (213)] Waiting until timeout for monitored process [2024-11-08 23:53:08,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:53:08,405 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:53:08,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:53:08,471 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:53:08,473 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:53:08,624 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:53:08,655 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (213)] Ended with exit code 0 [2024-11-08 23:53:08,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:53:08,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:53:08,683 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:53:08,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:53:08,684 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:53:08,684 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:53:08,684 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:53:08,685 INFO L229 MonitoredProcess]: Starting monitored process 214 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:53:08,686 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (214)] Waiting until timeout for monitored process [2024-11-08 23:53:11,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:53:11,098 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:53:11,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:53:11,150 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:53:11,151 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:53:11,291 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:53:11,321 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (214)] Forceful destruction successful, exit code 0 [2024-11-08 23:53:11,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:53:11,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:53:11,360 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:53:11,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:53:11,360 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:53:11,360 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:53:11,360 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:53:11,363 INFO L229 MonitoredProcess]: Starting monitored process 215 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:53:11,365 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (215)] Waiting until timeout for monitored process [2024-11-08 23:53:13,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:53:13,684 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:53:13,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:53:13,738 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:53:13,740 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:53:13,900 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:53:13,931 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (215)] Forceful destruction successful, exit code 0 [2024-11-08 23:53:13,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:53:13,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:53:13,961 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:53:13,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:53:13,961 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:53:13,961 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:53:13,961 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:53:13,962 INFO L229 MonitoredProcess]: Starting monitored process 216 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:53:13,964 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (216)] Waiting until timeout for monitored process [2024-11-08 23:53:16,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:53:16,348 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:53:16,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:53:16,389 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:53:16,391 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:53:16,507 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:53:16,533 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (216)] Forceful destruction successful, exit code 0 [2024-11-08 23:53:16,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:53:16,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:53:16,557 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:53:16,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:53:16,557 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:53:16,557 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:53:16,557 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:53:16,558 INFO L229 MonitoredProcess]: Starting monitored process 217 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:53:16,559 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (217)] Waiting until timeout for monitored process [2024-11-08 23:53:18,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:53:18,519 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:53:18,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:53:18,559 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:53:18,561 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:53:18,675 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:53:18,714 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (217)] Ended with exit code 0 [2024-11-08 23:53:18,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:53:18,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:53:18,738 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:53:18,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:53:18,738 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:53:18,738 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:53:18,738 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:53:18,739 INFO L229 MonitoredProcess]: Starting monitored process 218 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:53:18,742 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (218)] Waiting until timeout for monitored process [2024-11-08 23:53:20,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:53:20,934 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:53:20,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:53:20,987 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:53:20,989 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:53:21,158 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:53:21,198 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (218)] Forceful destruction successful, exit code 0 [2024-11-08 23:53:21,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:53:21,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:53:21,229 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:53:21,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:53:21,229 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:53:21,229 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:53:21,229 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:53:21,230 INFO L229 MonitoredProcess]: Starting monitored process 219 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:53:21,232 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (219)] Waiting until timeout for monitored process [2024-11-08 23:53:23,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:53:23,763 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:53:23,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:53:23,817 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:53:23,818 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:53:23,963 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:53:23,994 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (219)] Forceful destruction successful, exit code 0 [2024-11-08 23:53:24,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:53:24,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:53:24,023 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:53:24,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:53:24,023 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:53:24,023 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:53:24,023 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:53:24,024 INFO L229 MonitoredProcess]: Starting monitored process 220 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:53:24,027 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (220)] Waiting until timeout for monitored process [2024-11-08 23:53:26,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:53:26,507 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:53:26,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:53:26,560 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:53:26,562 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:53:26,731 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:53:26,764 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (220)] Ended with exit code 0 [2024-11-08 23:53:26,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:53:26,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:53:26,793 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:53:26,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:53:26,794 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:53:26,794 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:53:26,794 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:53:26,795 INFO L229 MonitoredProcess]: Starting monitored process 221 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:53:26,796 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (221)] Waiting until timeout for monitored process [2024-11-08 23:53:29,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:53:29,299 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:53:29,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:53:29,354 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:53:29,355 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:53:29,504 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:53:29,536 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (221)] Forceful destruction successful, exit code 0 [2024-11-08 23:53:29,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:53:29,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:53:29,564 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:53:29,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:53:29,564 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:53:29,565 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:53:29,565 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:53:29,566 INFO L229 MonitoredProcess]: Starting monitored process 222 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:53:29,567 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (222)] Waiting until timeout for monitored process [2024-11-08 23:53:32,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:53:32,105 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:53:32,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:53:32,159 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:53:32,161 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:53:32,312 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:53:32,344 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (222)] Ended with exit code 0 [2024-11-08 23:53:32,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:53:32,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:53:32,386 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:53:32,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:53:32,386 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:53:32,387 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:53:32,387 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:53:32,388 INFO L229 MonitoredProcess]: Starting monitored process 223 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:53:32,389 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (223)] Waiting until timeout for monitored process [2024-11-08 23:53:34,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:53:34,941 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:53:34,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:53:34,993 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:53:34,995 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:53:35,169 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:53:35,200 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (223)] Forceful destruction successful, exit code 0 [2024-11-08 23:53:35,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:53:35,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:53:35,228 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:53:35,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:53:35,228 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:53:35,228 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:53:35,228 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:53:35,229 INFO L229 MonitoredProcess]: Starting monitored process 224 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:53:35,231 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (224)] Waiting until timeout for monitored process [2024-11-08 23:53:37,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:53:37,419 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:53:37,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:53:37,462 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:53:37,464 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:53:37,586 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:53:37,616 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (224)] Forceful destruction successful, exit code 0 [2024-11-08 23:53:37,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:53:37,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:53:37,650 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:53:37,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:53:37,650 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:53:37,650 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:53:37,650 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:53:37,652 INFO L229 MonitoredProcess]: Starting monitored process 225 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:53:37,653 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (225)] Waiting until timeout for monitored process [2024-11-08 23:53:39,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:53:39,705 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:53:39,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:53:39,748 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:53:39,749 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:53:39,873 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:53:39,899 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (225)] Ended with exit code 0 [2024-11-08 23:53:39,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:53:39,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:53:39,921 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:53:39,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:53:39,921 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:53:39,921 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:53:39,921 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:53:39,922 INFO L229 MonitoredProcess]: Starting monitored process 226 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:53:39,923 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (226)] Waiting until timeout for monitored process [2024-11-08 23:53:41,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:53:41,957 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:53:41,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:53:41,998 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:53:42,000 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:53:42,114 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:53:42,141 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (226)] Ended with exit code 0 [2024-11-08 23:53:42,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:53:42,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:53:42,162 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:53:42,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:53:42,162 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:53:42,162 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:53:42,162 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:53:42,163 INFO L229 MonitoredProcess]: Starting monitored process 227 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:53:42,165 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (227)] Waiting until timeout for monitored process [2024-11-08 23:53:44,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:53:44,242 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:53:44,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:53:44,286 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:53:44,288 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:53:44,428 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:53:44,460 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (227)] Ended with exit code 0 [2024-11-08 23:53:44,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:53:44,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:53:44,483 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:53:44,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:53:44,483 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:53:44,483 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:53:44,483 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:53:44,484 INFO L229 MonitoredProcess]: Starting monitored process 228 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:53:44,485 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (228)] Waiting until timeout for monitored process [2024-11-08 23:53:46,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:53:46,593 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:53:46,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:53:46,638 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:53:46,639 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:53:46,762 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:53:46,790 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (228)] Ended with exit code 0 [2024-11-08 23:53:46,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:53:46,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:53:46,811 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:53:46,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:53:46,811 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:53:46,812 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:53:46,812 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:53:46,813 INFO L229 MonitoredProcess]: Starting monitored process 229 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:53:46,815 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (229)] Waiting until timeout for monitored process [2024-11-08 23:53:48,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:53:48,904 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:53:48,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:53:48,950 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:53:48,951 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:53:49,090 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:53:49,121 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (229)] Ended with exit code 0 [2024-11-08 23:53:49,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:53:49,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:53:49,146 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:53:49,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:53:49,146 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:53:49,146 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:53:49,146 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:53:49,147 INFO L229 MonitoredProcess]: Starting monitored process 230 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:53:49,148 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (230)] Waiting until timeout for monitored process [2024-11-08 23:53:51,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:53:51,488 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:53:51,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:53:51,551 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:53:51,553 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:53:51,696 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:53:51,727 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (230)] Ended with exit code 0 [2024-11-08 23:53:51,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:53:51,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:53:51,757 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:53:51,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:53:51,758 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:53:51,758 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:53:51,758 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:53:51,759 INFO L229 MonitoredProcess]: Starting monitored process 231 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:53:51,760 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (231)] Waiting until timeout for monitored process [2024-11-08 23:53:54,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:53:54,461 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:53:54,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:53:54,514 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:53:54,516 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:53:54,666 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:53:54,707 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (231)] Ended with exit code 0 [2024-11-08 23:53:54,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:53:54,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:53:54,765 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:53:54,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:53:54,765 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:53:54,765 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:53:54,765 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:53:54,766 INFO L229 MonitoredProcess]: Starting monitored process 232 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:53:54,768 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (232)] Waiting until timeout for monitored process [2024-11-08 23:53:57,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:53:57,157 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:53:57,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:53:57,199 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:53:57,201 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:53:57,338 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:53:57,374 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (232)] Forceful destruction successful, exit code 0 [2024-11-08 23:53:57,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:53:57,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:53:57,399 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:53:57,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:53:57,399 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:53:57,400 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:53:57,400 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:53:57,401 INFO L229 MonitoredProcess]: Starting monitored process 233 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:53:57,402 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (233)] Waiting until timeout for monitored process [2024-11-08 23:53:59,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:53:59,524 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:53:59,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:53:59,568 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:53:59,569 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:53:59,691 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:53:59,720 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (233)] Forceful destruction successful, exit code 0 [2024-11-08 23:53:59,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:53:59,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:53:59,754 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:53:59,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:53:59,754 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:53:59,754 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:53:59,754 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:53:59,755 INFO L229 MonitoredProcess]: Starting monitored process 234 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:53:59,756 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (234)] Waiting until timeout for monitored process [2024-11-08 23:54:01,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:54:01,890 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:54:01,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:54:01,934 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:54:01,935 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:54:02,072 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:54:02,103 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (234)] Ended with exit code 0 [2024-11-08 23:54:02,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:54:02,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:54:02,127 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:54:02,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:54:02,127 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:54:02,127 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:54:02,127 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:54:02,130 INFO L229 MonitoredProcess]: Starting monitored process 235 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:54:02,131 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (235)] Waiting until timeout for monitored process [2024-11-08 23:54:04,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:54:04,285 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:54:04,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:54:04,325 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:54:04,327 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:54:04,443 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:54:04,471 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (235)] Ended with exit code 0 [2024-11-08 23:54:04,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:54:04,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:54:04,507 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:54:04,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:54:04,508 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:54:04,508 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:54:04,508 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:54:04,509 INFO L229 MonitoredProcess]: Starting monitored process 236 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:54:04,510 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (236)] Waiting until timeout for monitored process [2024-11-08 23:54:06,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:54:06,725 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:54:06,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:54:06,779 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:54:06,781 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:54:06,949 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:54:06,985 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (236)] Forceful destruction successful, exit code 0 [2024-11-08 23:54:07,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:54:07,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:54:07,013 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:54:07,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:54:07,014 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:54:07,014 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:54:07,014 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:54:07,015 INFO L229 MonitoredProcess]: Starting monitored process 237 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:54:07,017 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (237)] Waiting until timeout for monitored process [2024-11-08 23:54:09,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:54:09,742 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:54:09,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:54:09,796 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:54:09,798 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:54:09,945 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:54:09,979 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (237)] Forceful destruction successful, exit code 0 [2024-11-08 23:54:10,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:54:10,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:54:10,019 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:54:10,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:54:10,019 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:54:10,019 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:54:10,020 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:54:10,023 INFO L229 MonitoredProcess]: Starting monitored process 238 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:54:10,026 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (238)] Waiting until timeout for monitored process [2024-11-08 23:54:12,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:54:12,670 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:54:12,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:54:12,725 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:54:12,727 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:54:12,892 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:54:12,928 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (238)] Ended with exit code 0 [2024-11-08 23:54:12,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:54:12,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:54:12,957 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:54:12,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:54:12,958 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:54:12,958 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:54:12,958 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:54:12,959 INFO L229 MonitoredProcess]: Starting monitored process 239 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:54:12,960 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (239)] Waiting until timeout for monitored process [2024-11-08 23:54:15,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:54:15,663 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:54:15,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:54:15,712 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:54:15,714 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:54:15,860 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:54:15,895 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (239)] Forceful destruction successful, exit code 0 [2024-11-08 23:54:15,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:54:15,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:54:15,936 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:54:15,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:54:15,937 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:54:15,937 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:54:15,937 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:54:15,938 INFO L229 MonitoredProcess]: Starting monitored process 240 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:54:15,939 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (240)] Waiting until timeout for monitored process [2024-11-08 23:54:18,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:54:18,507 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:54:18,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:54:18,557 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:54:18,560 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:54:18,761 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:54:18,803 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (240)] Ended with exit code 0 [2024-11-08 23:54:18,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:54:18,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:54:18,842 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:54:18,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:54:18,842 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:54:18,842 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:54:18,842 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:54:18,843 INFO L229 MonitoredProcess]: Starting monitored process 241 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:54:18,844 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (241)] Waiting until timeout for monitored process [2024-11-08 23:54:21,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:54:21,324 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:54:21,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:54:21,369 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:54:21,371 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:54:21,501 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:54:21,534 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (241)] Forceful destruction successful, exit code 0 [2024-11-08 23:54:21,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:54:21,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:54:21,576 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:54:21,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:54:21,576 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:54:21,576 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:54:21,576 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:54:21,577 INFO L229 MonitoredProcess]: Starting monitored process 242 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:54:21,580 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (242)] Waiting until timeout for monitored process [2024-11-08 23:54:23,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:54:23,864 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:54:23,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:54:23,918 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:54:23,919 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:54:24,052 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:54:24,087 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (242)] Forceful destruction successful, exit code 0 [2024-11-08 23:54:24,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:54:24,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:54:24,114 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:54:24,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:54:24,114 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:54:24,114 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:54:24,114 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:54:24,115 INFO L229 MonitoredProcess]: Starting monitored process 243 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:54:24,117 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (243)] Waiting until timeout for monitored process [2024-11-08 23:54:26,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:54:26,434 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:54:26,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:54:26,479 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:54:26,481 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:54:26,622 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:54:26,651 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (243)] Forceful destruction successful, exit code 0 [2024-11-08 23:54:26,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:54:26,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:54:26,673 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:54:26,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:54:26,673 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:54:26,673 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:54:26,673 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:54:26,674 INFO L229 MonitoredProcess]: Starting monitored process 244 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:54:26,675 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (244)] Waiting until timeout for monitored process [2024-11-08 23:54:28,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:54:28,877 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:54:28,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:54:28,919 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:54:28,920 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:54:29,038 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:54:29,066 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (244)] Forceful destruction successful, exit code 0 [2024-11-08 23:54:29,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:54:29,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:54:29,088 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:54:29,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:54:29,088 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:54:29,088 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:54:29,089 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:54:29,089 INFO L229 MonitoredProcess]: Starting monitored process 245 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:54:29,091 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (245)] Waiting until timeout for monitored process [2024-11-08 23:54:31,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:54:31,399 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:54:31,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:54:31,455 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:54:31,457 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:54:31,614 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:54:31,650 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (245)] Ended with exit code 0 [2024-11-08 23:54:31,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:54:31,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:54:31,678 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:54:31,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:54:31,678 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:54:31,678 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:54:31,678 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:54:31,679 INFO L229 MonitoredProcess]: Starting monitored process 246 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:54:31,681 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (246)] Waiting until timeout for monitored process [2024-11-08 23:54:34,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:54:34,142 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:54:34,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:54:34,184 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:54:34,186 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:54:34,324 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:54:34,356 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (246)] Ended with exit code 0 [2024-11-08 23:54:34,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:54:34,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:54:34,381 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:54:34,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:54:34,382 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:54:34,382 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:54:34,382 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:54:34,383 INFO L229 MonitoredProcess]: Starting monitored process 247 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:54:34,385 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (247)] Waiting until timeout for monitored process [2024-11-08 23:54:36,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:54:36,841 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:54:36,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:54:36,897 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:54:36,899 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:54:37,068 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:54:37,103 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (247)] Ended with exit code 0 [2024-11-08 23:54:37,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:54:37,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:54:37,127 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:54:37,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:54:37,128 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:54:37,128 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:54:37,128 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:54:37,129 INFO L229 MonitoredProcess]: Starting monitored process 248 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:54:37,130 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (248)] Waiting until timeout for monitored process [2024-11-08 23:54:39,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:54:39,422 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:54:39,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:54:39,468 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:54:39,469 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:54:39,601 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:54:39,635 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (248)] Ended with exit code 0 [2024-11-08 23:54:39,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:54:39,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:54:39,658 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:54:39,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:54:39,658 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:54:39,658 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:54:39,658 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:54:39,659 INFO L229 MonitoredProcess]: Starting monitored process 249 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:54:39,660 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (249)] Waiting until timeout for monitored process [2024-11-08 23:54:41,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:54:41,949 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:54:41,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:54:41,990 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:54:41,992 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:54:42,122 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:54:42,153 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (249)] Ended with exit code 0 [2024-11-08 23:54:42,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:54:42,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:54:42,175 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:54:42,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:54:42,176 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:54:42,176 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:54:42,176 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:54:42,179 INFO L229 MonitoredProcess]: Starting monitored process 250 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:54:42,179 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (250)] Waiting until timeout for monitored process [2024-11-08 23:54:44,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:54:44,528 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:54:44,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:54:44,571 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:54:44,572 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:54:44,699 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:54:44,734 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (250)] Ended with exit code 0 [2024-11-08 23:54:44,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:54:44,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:54:44,763 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:54:44,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:54:44,763 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:54:44,763 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:54:44,763 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:54:44,764 INFO L229 MonitoredProcess]: Starting monitored process 251 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:54:44,767 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (251)] Waiting until timeout for monitored process [2024-11-08 23:54:47,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:54:47,061 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:54:47,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:54:47,105 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:54:47,107 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:54:47,240 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:54:47,277 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (251)] Ended with exit code 0 [2024-11-08 23:54:47,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:54:47,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:54:47,300 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:54:47,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:54:47,300 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:54:47,300 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:54:47,300 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:54:47,301 INFO L229 MonitoredProcess]: Starting monitored process 252 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:54:47,302 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (252)] Waiting until timeout for monitored process [2024-11-08 23:54:49,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:54:49,610 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:54:49,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:54:49,655 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:54:49,656 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:54:49,781 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:54:49,818 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (252)] Ended with exit code 0 [2024-11-08 23:54:49,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:54:49,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:54:49,842 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:54:49,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:54:49,842 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:54:49,842 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:54:49,842 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:54:49,843 INFO L229 MonitoredProcess]: Starting monitored process 253 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:54:49,845 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (253)] Waiting until timeout for monitored process [2024-11-08 23:54:52,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:54:52,128 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:54:52,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:54:52,169 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:54:52,171 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:54:52,296 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:54:52,327 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (253)] Forceful destruction successful, exit code 0 [2024-11-08 23:54:52,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:54:52,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:54:52,349 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:54:52,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:54:52,349 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:54:52,349 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:54:52,349 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:54:52,350 INFO L229 MonitoredProcess]: Starting monitored process 254 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:54:52,352 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (254)] Waiting until timeout for monitored process [2024-11-08 23:54:54,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:54:54,692 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:54:54,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:54:54,733 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:54:54,735 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:54:54,882 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:54:54,917 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (254)] Forceful destruction successful, exit code 0 [2024-11-08 23:54:54,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:54:54,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:54:54,957 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:54:54,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:54:54,957 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:54:54,958 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:54:54,958 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:54:54,959 INFO L229 MonitoredProcess]: Starting monitored process 255 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:54:54,960 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (255)] Waiting until timeout for monitored process [2024-11-08 23:54:57,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:54:57,475 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:54:57,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:54:57,521 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:54:57,522 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:54:57,658 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:54:57,693 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (255)] Ended with exit code 0 [2024-11-08 23:54:57,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:54:57,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:54:57,716 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:54:57,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:54:57,716 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:54:57,716 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:54:57,716 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:54:57,719 INFO L229 MonitoredProcess]: Starting monitored process 256 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:54:57,723 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (256)] Waiting until timeout for monitored process [2024-11-08 23:55:00,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:55:00,101 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:55:00,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:55:00,150 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:55:00,152 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:55:00,287 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:55:00,322 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (256)] Forceful destruction successful, exit code 0 [2024-11-08 23:55:00,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:55:00,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:55:00,358 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:55:00,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:55:00,358 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:55:00,358 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:55:00,358 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:55:00,361 INFO L229 MonitoredProcess]: Starting monitored process 257 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:55:00,362 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (257)] Waiting until timeout for monitored process [2024-11-08 23:55:02,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:55:02,960 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:55:03,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:55:03,011 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:55:03,014 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:55:03,169 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:55:03,204 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (257)] Forceful destruction successful, exit code 0 [2024-11-08 23:55:03,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:55:03,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:55:03,233 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:55:03,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:55:03,233 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:55:03,233 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:55:03,233 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:55:03,234 INFO L229 MonitoredProcess]: Starting monitored process 258 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:55:03,236 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (258)] Waiting until timeout for monitored process [2024-11-08 23:55:05,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:55:05,638 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:55:05,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:55:05,682 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:55:05,684 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:55:05,815 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:55:05,847 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (258)] Ended with exit code 0 [2024-11-08 23:55:05,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:55:05,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:55:05,871 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:55:05,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:55:05,871 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:55:05,871 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:55:05,871 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:55:05,872 INFO L229 MonitoredProcess]: Starting monitored process 259 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:55:05,874 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (259)] Waiting until timeout for monitored process [2024-11-08 23:55:08,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:55:08,220 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:55:08,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:55:08,263 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:55:08,265 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:55:08,389 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:55:08,422 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (259)] Ended with exit code 0 [2024-11-08 23:55:08,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:55:08,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:55:08,446 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:55:08,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:55:08,446 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:55:08,446 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:55:08,446 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:55:08,448 INFO L229 MonitoredProcess]: Starting monitored process 260 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:55:08,453 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (260)] Waiting until timeout for monitored process [2024-11-08 23:55:10,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:55:10,834 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:55:10,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:55:10,879 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:55:10,880 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:55:11,023 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:55:11,057 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (260)] Ended with exit code 0 [2024-11-08 23:55:11,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:55:11,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:55:11,084 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:55:11,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:55:11,084 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:55:11,084 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:55:11,084 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:55:11,085 INFO L229 MonitoredProcess]: Starting monitored process 261 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:55:11,087 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (261)] Waiting until timeout for monitored process [2024-11-08 23:55:13,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:55:13,582 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:55:13,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:55:13,628 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:55:13,629 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:55:13,764 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:55:13,801 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (261)] Forceful destruction successful, exit code 0 [2024-11-08 23:55:13,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:55:13,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:55:13,841 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:55:13,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:55:13,842 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:55:13,842 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:55:13,842 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:55:13,843 INFO L229 MonitoredProcess]: Starting monitored process 262 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:55:13,845 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (262)] Waiting until timeout for monitored process [2024-11-08 23:55:16,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:55:16,253 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:55:16,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:55:16,298 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:55:16,300 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:55:16,427 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:55:16,464 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (262)] Ended with exit code 0 [2024-11-08 23:55:16,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:55:16,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:55:16,492 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:55:16,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:55:16,492 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:55:16,492 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:55:16,492 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:55:16,493 INFO L229 MonitoredProcess]: Starting monitored process 263 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:55:16,495 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (263)] Waiting until timeout for monitored process [2024-11-08 23:55:18,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:55:18,904 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:55:18,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:55:18,948 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:55:18,950 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:55:19,082 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:55:19,117 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (263)] Forceful destruction successful, exit code 0 [2024-11-08 23:55:19,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:55:19,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:55:19,139 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:55:19,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:55:19,139 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:55:19,139 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:55:19,139 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:55:19,140 INFO L229 MonitoredProcess]: Starting monitored process 264 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:55:19,141 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (264)] Waiting until timeout for monitored process [2024-11-08 23:55:21,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:55:21,566 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:55:21,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:55:21,628 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:55:21,629 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:55:21,750 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:55:21,782 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (264)] Ended with exit code 0 [2024-11-08 23:55:21,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:55:21,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:55:21,815 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:55:21,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:55:21,815 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:55:21,815 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:55:21,815 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:55:21,817 INFO L229 MonitoredProcess]: Starting monitored process 265 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:55:21,818 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (265)] Waiting until timeout for monitored process [2024-11-08 23:55:24,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:55:24,285 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:55:24,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:55:24,328 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:55:24,329 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:55:24,463 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:55:24,497 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (265)] Forceful destruction successful, exit code 0 [2024-11-08 23:55:24,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:55:24,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:55:24,520 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:55:24,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:55:24,521 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:55:24,521 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:55:24,521 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:55:24,522 INFO L229 MonitoredProcess]: Starting monitored process 266 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:55:24,523 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (266)] Waiting until timeout for monitored process [2024-11-08 23:55:26,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:55:26,980 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:55:27,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:55:27,025 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:55:27,026 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:55:27,163 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:55:27,199 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (266)] Ended with exit code 0 [2024-11-08 23:55:27,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:55:27,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:55:27,226 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:55:27,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:55:27,226 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:55:27,226 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:55:27,226 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:55:27,227 INFO L229 MonitoredProcess]: Starting monitored process 267 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:55:27,229 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (267)] Waiting until timeout for monitored process [2024-11-08 23:55:29,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:55:29,660 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:55:29,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:55:29,705 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:55:29,707 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:55:29,834 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:55:29,868 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (267)] Forceful destruction successful, exit code 0 [2024-11-08 23:55:29,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:55:29,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:55:29,895 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:55:29,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:55:29,895 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:55:29,895 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:55:29,895 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:55:29,896 INFO L229 MonitoredProcess]: Starting monitored process 268 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:55:29,898 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (268)] Waiting until timeout for monitored process [2024-11-08 23:55:32,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:55:32,322 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:55:32,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:55:32,367 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:55:32,368 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:55:32,502 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:55:32,546 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (268)] Forceful destruction successful, exit code 0 [2024-11-08 23:55:32,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:55:32,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:55:32,577 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:55:32,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:55:32,578 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:55:32,578 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:55:32,578 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:55:32,581 INFO L229 MonitoredProcess]: Starting monitored process 269 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:55:32,582 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (269)] Waiting until timeout for monitored process [2024-11-08 23:55:35,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:55:35,055 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:55:35,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:55:35,101 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:55:35,102 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:55:35,226 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:55:35,262 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (269)] Ended with exit code 0 [2024-11-08 23:55:35,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:55:35,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:55:35,299 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:55:35,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:55:35,299 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:55:35,299 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:55:35,299 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:55:35,300 INFO L229 MonitoredProcess]: Starting monitored process 270 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:55:35,301 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (270)] Waiting until timeout for monitored process [2024-11-08 23:55:37,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:55:37,759 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:55:37,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:55:37,803 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:55:37,804 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:55:37,930 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:55:37,967 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (270)] Ended with exit code 0 [2024-11-08 23:55:37,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:55:37,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:55:37,992 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:55:37,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:55:37,992 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:55:37,992 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:55:37,992 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:55:37,993 INFO L229 MonitoredProcess]: Starting monitored process 271 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:55:37,994 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (271)] Waiting until timeout for monitored process [2024-11-08 23:55:40,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:55:40,456 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:55:40,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:55:40,498 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:55:40,499 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:55:40,624 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:55:40,656 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (271)] Ended with exit code 0 [2024-11-08 23:55:40,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:55:40,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:55:40,677 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:55:40,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:55:40,678 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:55:40,678 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:55:40,678 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:55:40,679 INFO L229 MonitoredProcess]: Starting monitored process 272 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:55:40,680 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (272)] Waiting until timeout for monitored process [2024-11-08 23:55:43,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:55:43,155 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:55:43,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:55:43,196 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:55:43,197 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:55:43,309 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:55:43,340 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (272)] Ended with exit code 0 [2024-11-08 23:55:43,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:55:43,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:55:43,372 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:55:43,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:55:43,372 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:55:43,372 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:55:43,372 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:55:43,373 INFO L229 MonitoredProcess]: Starting monitored process 273 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:55:43,374 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (273)] Waiting until timeout for monitored process [2024-11-08 23:55:45,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:55:45,828 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:55:45,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:55:45,880 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:55:45,882 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:55:45,998 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:55:46,031 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (273)] Ended with exit code 0 [2024-11-08 23:55:46,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:55:46,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:55:46,051 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:55:46,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:55:46,052 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:55:46,052 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:55:46,052 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:55:46,053 INFO L229 MonitoredProcess]: Starting monitored process 274 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:55:46,054 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (274)] Waiting until timeout for monitored process [2024-11-08 23:55:48,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:55:48,539 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:55:48,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:55:48,580 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:55:48,582 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:55:48,707 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:55:48,739 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (274)] Forceful destruction successful, exit code 0 [2024-11-08 23:55:48,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:55:48,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:55:48,760 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:55:48,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:55:48,760 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:55:48,760 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:55:48,761 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:55:48,761 INFO L229 MonitoredProcess]: Starting monitored process 275 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:55:48,762 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (275)] Waiting until timeout for monitored process [2024-11-08 23:55:51,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:55:51,232 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:55:51,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:55:51,274 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:55:51,275 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:55:51,381 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:55:51,412 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (275)] Ended with exit code 0 [2024-11-08 23:55:51,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:55:51,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:55:51,445 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:55:51,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:55:51,445 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:55:51,445 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:55:51,446 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:55:51,446 INFO L229 MonitoredProcess]: Starting monitored process 276 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:55:51,447 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (276)] Waiting until timeout for monitored process [2024-11-08 23:55:53,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:55:53,961 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:55:54,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:55:54,003 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:55:54,004 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:55:54,124 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:55:54,156 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (276)] Ended with exit code 0 [2024-11-08 23:55:54,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:55:54,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:55:54,177 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:55:54,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:55:54,177 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:55:54,178 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:55:54,178 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:55:54,178 INFO L229 MonitoredProcess]: Starting monitored process 277 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:55:54,179 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (277)] Waiting until timeout for monitored process [2024-11-08 23:55:56,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:55:56,669 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:55:56,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:55:56,709 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:55:56,711 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:55:56,831 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:55:56,863 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (277)] Ended with exit code 0 [2024-11-08 23:55:56,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:55:56,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:55:56,883 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:55:56,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:55:56,884 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:55:56,884 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:55:56,884 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:55:56,885 INFO L229 MonitoredProcess]: Starting monitored process 278 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:55:56,885 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (278)] Waiting until timeout for monitored process [2024-11-08 23:55:59,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:55:59,390 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:55:59,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:55:59,431 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:55:59,432 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:55:59,542 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:55:59,573 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (278)] Ended with exit code 0 [2024-11-08 23:55:59,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:55:59,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:55:59,605 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:55:59,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:55:59,605 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:55:59,605 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:55:59,605 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:55:59,606 INFO L229 MonitoredProcess]: Starting monitored process 279 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:55:59,607 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (279)] Waiting until timeout for monitored process [2024-11-08 23:56:02,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:56:02,101 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:56:02,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:56:02,153 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:56:02,154 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:56:02,269 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:56:02,304 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (279)] Forceful destruction successful, exit code 0 [2024-11-08 23:56:02,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:56:02,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:56:02,326 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:56:02,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:56:02,326 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:56:02,326 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:56:02,326 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:56:02,327 INFO L229 MonitoredProcess]: Starting monitored process 280 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:56:02,328 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (280)] Waiting until timeout for monitored process [2024-11-08 23:56:04,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:56:04,847 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:56:04,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:56:04,887 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:56:04,888 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:56:05,008 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:56:05,042 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (280)] Ended with exit code 0 [2024-11-08 23:56:05,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:56:05,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:56:05,067 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:56:05,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:56:05,067 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:56:05,067 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:56:05,067 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:56:05,068 INFO L229 MonitoredProcess]: Starting monitored process 281 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:56:05,070 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (281)] Waiting until timeout for monitored process [2024-11-08 23:56:07,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:56:07,588 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:56:07,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:56:07,630 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:56:07,631 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:56:07,753 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:56:07,788 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (281)] Ended with exit code 0 [2024-11-08 23:56:07,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:56:07,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:56:07,824 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:56:07,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:56:07,824 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:56:07,824 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:56:07,824 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:56:07,825 INFO L229 MonitoredProcess]: Starting monitored process 282 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:56:07,826 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (282)] Waiting until timeout for monitored process [2024-11-08 23:56:10,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:56:10,385 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:56:10,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:56:10,428 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:56:10,430 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:56:10,546 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:56:10,581 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (282)] Ended with exit code 0 [2024-11-08 23:56:10,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:56:10,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:56:10,607 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:56:10,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:56:10,607 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:56:10,607 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:56:10,608 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:56:10,608 INFO L229 MonitoredProcess]: Starting monitored process 283 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:56:10,610 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (283)] Waiting until timeout for monitored process [2024-11-08 23:56:13,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:56:13,233 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:56:13,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:56:13,280 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:56:13,281 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:56:13,415 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:56:13,450 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (283)] Ended with exit code 0 [2024-11-08 23:56:13,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:56:13,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:56:13,472 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:56:13,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:56:13,473 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:56:13,473 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:56:13,473 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:56:13,474 INFO L229 MonitoredProcess]: Starting monitored process 284 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:56:13,476 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (284)] Waiting until timeout for monitored process [2024-11-08 23:56:16,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:56:16,034 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:56:16,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:56:16,076 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:56:16,078 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:56:16,226 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:56:16,262 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (284)] Ended with exit code 0 [2024-11-08 23:56:16,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:56:16,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:56:16,298 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:56:16,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:56:16,299 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:56:16,299 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:56:16,299 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:56:16,300 INFO L229 MonitoredProcess]: Starting monitored process 285 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:56:16,301 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (285)] Waiting until timeout for monitored process [2024-11-08 23:56:18,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:56:18,874 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:56:18,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:56:18,916 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:56:18,917 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:56:19,037 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:56:19,070 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (285)] Forceful destruction successful, exit code 0 [2024-11-08 23:56:19,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:56:19,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:56:19,092 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:56:19,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:56:19,092 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:56:19,092 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:56:19,092 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:56:19,093 INFO L229 MonitoredProcess]: Starting monitored process 286 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:56:19,094 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (286)] Waiting until timeout for monitored process [2024-11-08 23:56:21,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:56:21,665 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:56:21,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:56:21,707 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:56:21,708 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:56:21,840 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:56:21,874 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (286)] Ended with exit code 0 [2024-11-08 23:56:21,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:56:21,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:56:21,896 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:56:21,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:56:21,897 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:56:21,897 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:56:21,897 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:56:21,898 INFO L229 MonitoredProcess]: Starting monitored process 287 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:56:21,899 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (287)] Waiting until timeout for monitored process [2024-11-08 23:56:24,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:56:24,525 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:56:24,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:56:24,573 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:56:24,575 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:56:24,710 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:56:24,744 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (287)] Ended with exit code 0 [2024-11-08 23:56:24,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:56:24,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:56:24,768 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:56:24,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:56:24,768 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:56:24,768 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:56:24,769 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:56:24,769 INFO L229 MonitoredProcess]: Starting monitored process 288 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:56:24,770 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (288)] Waiting until timeout for monitored process [2024-11-08 23:56:27,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:56:27,357 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:56:27,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:56:27,402 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:56:27,403 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:56:27,534 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:56:27,571 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (288)] Ended with exit code 0 [2024-11-08 23:56:27,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:56:27,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:56:27,611 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:56:27,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:56:27,611 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:56:27,611 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:56:27,611 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:56:27,613 INFO L229 MonitoredProcess]: Starting monitored process 289 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:56:27,614 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (289)] Waiting until timeout for monitored process [2024-11-08 23:56:30,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:56:30,253 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:56:30,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:56:30,295 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:56:30,296 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:56:30,412 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:56:30,446 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (289)] Forceful destruction successful, exit code 0 [2024-11-08 23:56:30,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:56:30,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:56:30,469 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:56:30,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:56:30,469 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:56:30,469 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:56:30,469 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:56:30,471 INFO L229 MonitoredProcess]: Starting monitored process 290 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:56:30,472 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (290)] Waiting until timeout for monitored process [2024-11-08 23:56:33,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:56:33,147 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:56:33,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:56:33,189 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:56:33,191 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:56:33,325 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:56:33,365 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (290)] Ended with exit code 0 [2024-11-08 23:56:33,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:56:33,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:56:33,390 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:56:33,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:56:33,390 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:56:33,390 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:56:33,390 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:56:33,391 INFO L229 MonitoredProcess]: Starting monitored process 291 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:56:33,392 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (291)] Waiting until timeout for monitored process [2024-11-08 23:56:36,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:56:36,057 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:56:36,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:56:36,099 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:56:36,101 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:56:36,229 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:56:36,264 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (291)] Ended with exit code 0 [2024-11-08 23:56:36,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:56:36,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:56:36,287 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:56:36,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:56:36,288 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:56:36,288 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:56:36,288 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:56:36,289 INFO L229 MonitoredProcess]: Starting monitored process 292 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:56:36,290 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (292)] Waiting until timeout for monitored process [2024-11-08 23:56:38,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:56:38,918 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:56:38,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:56:38,959 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:56:38,961 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:56:39,090 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:56:39,124 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (292)] Ended with exit code 0 [2024-11-08 23:56:39,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:56:39,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:56:39,158 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:56:39,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:56:39,158 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:56:39,159 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:56:39,159 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:56:39,160 INFO L229 MonitoredProcess]: Starting monitored process 293 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:56:39,161 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (293)] Waiting until timeout for monitored process [2024-11-08 23:56:41,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:56:41,804 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:56:41,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:56:41,846 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:56:41,847 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:56:41,979 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:56:42,024 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (293)] Ended with exit code 0 [2024-11-08 23:56:42,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:56:42,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:56:42,060 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:56:42,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:56:42,060 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:56:42,060 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:56:42,061 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:56:42,063 INFO L229 MonitoredProcess]: Starting monitored process 294 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:56:42,065 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (294)] Waiting until timeout for monitored process [2024-11-08 23:56:44,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:56:44,842 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:56:44,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:56:44,887 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:56:44,889 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:56:45,024 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:56:45,062 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (294)] Ended with exit code 0 [2024-11-08 23:56:45,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:56:45,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:56:45,090 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:56:45,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:56:45,090 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:56:45,090 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:56:45,091 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:56:45,091 INFO L229 MonitoredProcess]: Starting monitored process 295 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:56:45,093 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (295)] Waiting until timeout for monitored process [2024-11-08 23:56:47,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:56:47,772 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:56:47,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:56:47,815 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:56:47,816 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:56:47,951 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:56:47,990 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (295)] Ended with exit code 0 [2024-11-08 23:56:48,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:56:48,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:56:48,019 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:56:48,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:56:48,019 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:56:48,019 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:56:48,019 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:56:48,020 INFO L229 MonitoredProcess]: Starting monitored process 296 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:56:48,021 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (296)] Waiting until timeout for monitored process [2024-11-08 23:56:50,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:56:50,852 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:56:50,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:56:50,893 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:56:50,894 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:56:51,028 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:56:51,067 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (296)] Ended with exit code 0 [2024-11-08 23:56:51,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:56:51,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:56:51,107 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:56:51,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:56:51,107 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:56:51,108 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:56:51,108 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:56:51,109 INFO L229 MonitoredProcess]: Starting monitored process 297 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:56:51,110 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (297)] Waiting until timeout for monitored process [2024-11-08 23:56:53,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:56:53,880 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:56:53,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:56:53,926 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:56:53,928 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:56:54,065 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:56:54,105 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (297)] Forceful destruction successful, exit code 0 [2024-11-08 23:56:54,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:56:54,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:56:54,131 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:56:54,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:56:54,131 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:56:54,132 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:56:54,132 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:56:54,133 INFO L229 MonitoredProcess]: Starting monitored process 298 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:56:54,134 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (298)] Waiting until timeout for monitored process [2024-11-08 23:56:56,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:56:56,864 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:56:56,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:56:56,922 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:56:56,923 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:56:57,054 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:56:57,093 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (298)] Ended with exit code 0 [2024-11-08 23:56:57,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:56:57,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:56:57,120 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:56:57,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:56:57,120 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:56:57,120 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:56:57,120 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:56:57,121 INFO L229 MonitoredProcess]: Starting monitored process 299 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:56:57,122 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (299)] Waiting until timeout for monitored process [2024-11-08 23:56:59,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:56:59,835 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:56:59,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:56:59,878 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:56:59,880 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:57:00,010 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:57:00,047 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (299)] Ended with exit code 0 [2024-11-08 23:57:00,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:57:00,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:57:00,069 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:57:00,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:57:00,069 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:57:00,069 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:57:00,069 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:57:00,070 INFO L229 MonitoredProcess]: Starting monitored process 300 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:57:00,071 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (300)] Waiting until timeout for monitored process [2024-11-08 23:57:02,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:57:02,833 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:57:02,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:57:02,876 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:57:02,878 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:57:03,013 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:57:03,049 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (300)] Forceful destruction successful, exit code 0 [2024-11-08 23:57:03,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:57:03,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:57:03,072 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:57:03,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:57:03,072 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:57:03,072 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:57:03,073 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:57:03,073 INFO L229 MonitoredProcess]: Starting monitored process 301 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:57:03,074 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (301)] Waiting until timeout for monitored process [2024-11-08 23:57:05,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:57:05,837 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:57:05,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:57:05,880 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:57:05,882 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:57:06,004 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:57:06,042 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (301)] Forceful destruction successful, exit code 0 [2024-11-08 23:57:06,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:57:06,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:57:06,075 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:57:06,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:57:06,075 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:57:06,076 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:57:06,076 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:57:06,077 INFO L229 MonitoredProcess]: Starting monitored process 302 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:57:06,078 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (302)] Waiting until timeout for monitored process [2024-11-08 23:57:08,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:57:08,827 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:57:08,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:57:08,871 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:57:08,872 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:57:08,987 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:57:09,023 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (302)] Ended with exit code 0 [2024-11-08 23:57:09,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:57:09,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:57:09,045 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:57:09,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:57:09,045 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:57:09,045 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:57:09,046 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:57:09,046 INFO L229 MonitoredProcess]: Starting monitored process 303 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:57:09,047 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (303)] Waiting until timeout for monitored process [2024-11-08 23:57:11,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:57:11,785 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:57:11,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:57:11,827 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:57:11,828 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:57:11,951 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:57:11,988 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (303)] Ended with exit code 0 [2024-11-08 23:57:12,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:57:12,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:57:12,011 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:57:12,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:57:12,011 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:57:12,011 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:57:12,011 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:57:12,012 INFO L229 MonitoredProcess]: Starting monitored process 304 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:57:12,013 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (304)] Waiting until timeout for monitored process [2024-11-08 23:57:14,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:57:14,799 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:57:14,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:57:14,842 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:57:14,843 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:57:14,965 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:57:15,000 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (304)] Ended with exit code 0 [2024-11-08 23:57:15,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:57:15,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:57:15,025 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:57:15,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:57:15,025 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:57:15,025 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:57:15,025 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:57:15,026 INFO L229 MonitoredProcess]: Starting monitored process 305 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:57:15,027 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (305)] Waiting until timeout for monitored process [2024-11-08 23:57:17,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:57:17,773 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:57:17,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:57:17,814 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:57:17,816 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:57:17,935 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:57:17,971 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (305)] Ended with exit code 0 [2024-11-08 23:57:17,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:57:17,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:57:17,994 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:57:17,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:57:17,995 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:57:17,995 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:57:17,995 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:57:17,996 INFO L229 MonitoredProcess]: Starting monitored process 306 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:57:17,997 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (306)] Waiting until timeout for monitored process [2024-11-08 23:57:20,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:57:20,744 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:57:20,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:57:20,786 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:57:20,788 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:57:20,905 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:57:20,945 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (306)] Ended with exit code 0 [2024-11-08 23:57:20,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:57:20,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:57:20,981 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:57:20,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:57:20,981 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:57:20,981 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:57:20,981 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:57:20,982 INFO L229 MonitoredProcess]: Starting monitored process 307 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:57:20,983 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (307)] Waiting until timeout for monitored process [2024-11-08 23:57:23,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:57:23,760 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:57:23,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:57:23,804 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:57:23,805 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:57:23,922 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:57:23,958 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (307)] Ended with exit code 0 [2024-11-08 23:57:23,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:57:23,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:57:23,991 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:57:23,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:57:23,991 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:57:23,991 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:57:23,991 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:57:23,992 INFO L229 MonitoredProcess]: Starting monitored process 308 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:57:23,993 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (308)] Waiting until timeout for monitored process [2024-11-08 23:57:26,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:57:26,787 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:57:26,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:57:26,829 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:57:26,831 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:57:26,950 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:57:26,986 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (308)] Forceful destruction successful, exit code 0 [2024-11-08 23:57:27,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:57:27,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:57:27,011 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:57:27,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:57:27,011 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:57:27,012 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:57:27,012 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:57:27,013 INFO L229 MonitoredProcess]: Starting monitored process 309 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:57:27,014 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (309)] Waiting until timeout for monitored process [2024-11-08 23:57:29,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:57:29,784 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:57:29,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:57:29,839 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:57:29,840 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:57:29,953 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:57:29,990 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (309)] Forceful destruction successful, exit code 0 [2024-11-08 23:57:30,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:57:30,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:57:30,012 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:57:30,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:57:30,012 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:57:30,013 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:57:30,013 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:57:30,013 INFO L229 MonitoredProcess]: Starting monitored process 310 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:57:30,014 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (310)] Waiting until timeout for monitored process [2024-11-08 23:57:32,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:57:32,831 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:57:32,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:57:32,873 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:57:32,875 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:57:33,002 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:57:33,038 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (310)] Ended with exit code 0 [2024-11-08 23:57:33,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:57:33,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:57:33,060 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:57:33,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:57:33,060 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:57:33,060 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:57:33,060 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:57:33,061 INFO L229 MonitoredProcess]: Starting monitored process 311 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:57:33,062 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (311)] Waiting until timeout for monitored process [2024-11-08 23:57:35,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:57:35,853 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:57:35,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:57:35,899 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:57:35,900 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:57:36,024 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:57:36,060 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (311)] Ended with exit code 0 [2024-11-08 23:57:36,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:57:36,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:57:36,084 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:57:36,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:57:36,084 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:57:36,084 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:57:36,085 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:57:36,085 INFO L229 MonitoredProcess]: Starting monitored process 312 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:57:36,086 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (312)] Waiting until timeout for monitored process [2024-11-08 23:57:38,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:57:38,877 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:57:38,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:57:38,922 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:57:38,924 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:57:39,049 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:57:39,085 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (312)] Forceful destruction successful, exit code 0 [2024-11-08 23:57:39,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:57:39,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:57:39,107 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:57:39,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:57:39,107 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:57:39,107 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:57:39,107 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:57:39,108 INFO L229 MonitoredProcess]: Starting monitored process 313 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:57:39,109 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (313)] Waiting until timeout for monitored process [2024-11-08 23:57:41,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:57:41,913 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:57:41,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:57:41,958 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:57:41,960 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:57:42,086 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:57:42,121 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (313)] Ended with exit code 0 [2024-11-08 23:57:42,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:57:42,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:57:42,143 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:57:42,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:57:42,143 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:57:42,143 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:57:42,144 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:57:42,144 INFO L229 MonitoredProcess]: Starting monitored process 314 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:57:42,145 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (314)] Waiting until timeout for monitored process [2024-11-08 23:57:45,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:57:45,021 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:57:45,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:57:45,064 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:57:45,066 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:57:45,194 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:57:45,235 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (314)] Ended with exit code 0 [2024-11-08 23:57:45,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:57:45,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:57:45,270 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:57:45,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:57:45,271 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:57:45,271 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:57:45,271 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:57:45,272 INFO L229 MonitoredProcess]: Starting monitored process 315 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:57:45,273 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (315)] Waiting until timeout for monitored process [2024-11-08 23:57:48,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:57:48,144 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:57:48,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:57:48,189 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:57:48,191 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:57:48,317 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:57:48,357 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (315)] Ended with exit code 0 [2024-11-08 23:57:48,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:57:48,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:57:48,395 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:57:48,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:57:48,396 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:57:48,396 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:57:48,396 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:57:48,397 INFO L229 MonitoredProcess]: Starting monitored process 316 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:57:48,398 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (316)] Waiting until timeout for monitored process [2024-11-08 23:57:51,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:57:51,307 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:57:51,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:57:51,353 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:57:51,355 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:57:51,474 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:57:51,515 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (316)] Ended with exit code 0 [2024-11-08 23:57:51,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:57:51,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:57:51,552 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:57:51,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:57:51,552 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:57:51,552 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:57:51,552 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:57:51,553 INFO L229 MonitoredProcess]: Starting monitored process 317 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:57:51,554 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (317)] Waiting until timeout for monitored process [2024-11-08 23:57:54,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:57:54,530 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:57:54,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:57:54,576 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:57:54,577 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:57:54,705 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:57:54,753 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (317)] Forceful destruction successful, exit code 0 [2024-11-08 23:57:54,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:57:54,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:57:54,797 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:57:54,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:57:54,797 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:57:54,797 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:57:54,797 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:57:54,799 INFO L229 MonitoredProcess]: Starting monitored process 318 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:57:54,801 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (318)] Waiting until timeout for monitored process [2024-11-08 23:57:57,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:57:57,945 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:57:57,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:57:57,988 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:57:57,990 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:57:58,117 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:57:58,159 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (318)] Ended with exit code 0 [2024-11-08 23:57:58,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:57:58,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:57:58,196 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:57:58,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:57:58,197 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:57:58,197 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:57:58,197 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:57:58,198 INFO L229 MonitoredProcess]: Starting monitored process 319 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:57:58,199 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (319)] Waiting until timeout for monitored process [2024-11-08 23:58:01,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:58:01,124 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:58:01,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:58:01,168 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:58:01,170 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:58:01,295 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:58:01,337 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (319)] Ended with exit code 0 [2024-11-08 23:58:01,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:58:01,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:58:01,375 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:58:01,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:58:01,376 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:58:01,376 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:58:01,376 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:58:01,377 INFO L229 MonitoredProcess]: Starting monitored process 320 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:58:01,379 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (320)] Waiting until timeout for monitored process [2024-11-08 23:58:04,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:58:04,286 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:58:04,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:58:04,329 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:58:04,331 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:58:04,452 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:58:04,495 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (320)] Ended with exit code 0 [2024-11-08 23:58:04,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:58:04,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:58:04,532 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:58:04,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:58:04,532 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:58:04,532 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:58:04,532 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:58:04,533 INFO L229 MonitoredProcess]: Starting monitored process 321 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:58:04,534 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (321)] Waiting until timeout for monitored process [2024-11-08 23:58:07,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:58:07,438 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:58:07,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:58:07,484 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:58:07,485 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:58:07,601 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:58:07,641 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (321)] Ended with exit code 0 [2024-11-08 23:58:07,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:58:07,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:58:07,676 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:58:07,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:58:07,677 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:58:07,677 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:58:07,677 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:58:07,678 INFO L229 MonitoredProcess]: Starting monitored process 322 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:58:07,679 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (322)] Waiting until timeout for monitored process [2024-11-08 23:58:10,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:58:10,599 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:58:10,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:58:10,646 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:58:10,647 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:58:10,765 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:58:10,786 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (322)] Ended with exit code 0 [2024-11-08 23:58:10,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:58:10,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:58:10,820 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:58:10,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:58:10,820 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:58:10,820 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:58:10,821 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:58:10,821 INFO L229 MonitoredProcess]: Starting monitored process 323 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:58:10,822 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (323)] Waiting until timeout for monitored process [2024-11-08 23:58:13,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:58:13,798 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:58:13,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:58:13,840 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:58:13,841 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:58:13,963 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:58:13,983 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (323)] Ended with exit code 0 [2024-11-08 23:58:14,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:58:14,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:58:14,017 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:58:14,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:58:14,017 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:58:14,017 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:58:14,018 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:58:14,020 INFO L229 MonitoredProcess]: Starting monitored process 324 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:58:14,021 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (324)] Waiting until timeout for monitored process [2024-11-08 23:58:16,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:58:16,939 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:58:16,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:58:16,983 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:58:16,985 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:58:17,101 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:58:17,121 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (324)] Ended with exit code 0 [2024-11-08 23:58:17,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:58:17,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:58:17,154 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:58:17,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:58:17,154 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:58:17,155 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:58:17,155 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:58:17,156 INFO L229 MonitoredProcess]: Starting monitored process 325 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:58:17,157 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (325)] Waiting until timeout for monitored process [2024-11-08 23:58:20,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:58:20,088 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:58:20,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:58:20,129 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:58:20,130 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:58:20,242 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:58:20,262 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (325)] Forceful destruction successful, exit code 0 [2024-11-08 23:58:20,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:58:20,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:58:20,294 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:58:20,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:58:20,295 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:58:20,295 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:58:20,295 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:58:20,296 INFO L229 MonitoredProcess]: Starting monitored process 326 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:58:20,297 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (326)] Waiting until timeout for monitored process [2024-11-08 23:58:23,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:58:23,268 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:58:23,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:58:23,313 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:58:23,315 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:58:23,446 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:58:23,467 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (326)] Ended with exit code 0 [2024-11-08 23:58:23,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:58:23,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:58:23,501 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:58:23,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:58:23,501 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:58:23,501 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:58:23,501 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:58:23,502 INFO L229 MonitoredProcess]: Starting monitored process 327 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:58:23,503 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (327)] Waiting until timeout for monitored process [2024-11-08 23:58:26,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:58:26,435 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:58:26,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:58:26,478 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:58:26,480 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:58:26,600 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:58:26,621 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (327)] Ended with exit code 0 [2024-11-08 23:58:26,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:58:26,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:58:26,655 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:58:26,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:58:26,655 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:58:26,655 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:58:26,655 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:58:26,656 INFO L229 MonitoredProcess]: Starting monitored process 328 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:58:26,658 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (328)] Waiting until timeout for monitored process [2024-11-08 23:58:29,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:58:29,634 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:58:29,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:58:29,682 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:58:29,683 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:58:29,817 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:58:29,840 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (328)] Ended with exit code 0 [2024-11-08 23:58:29,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:58:29,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:58:29,863 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:58:29,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:58:29,863 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:58:29,863 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:58:29,863 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:58:29,864 INFO L229 MonitoredProcess]: Starting monitored process 329 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:58:29,865 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (329)] Waiting until timeout for monitored process [2024-11-08 23:58:32,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:58:32,860 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:58:32,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:58:32,904 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:58:32,905 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:58:33,037 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:58:33,056 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (329)] Ended with exit code 0 [2024-11-08 23:58:33,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:58:33,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:58:33,079 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:58:33,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:58:33,079 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:58:33,079 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:58:33,080 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:58:33,080 INFO L229 MonitoredProcess]: Starting monitored process 330 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:58:33,081 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (330)] Waiting until timeout for monitored process [2024-11-08 23:58:36,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:58:36,069 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:58:36,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:58:36,117 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:58:36,119 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:58:36,254 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:58:36,275 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (330)] Ended with exit code 0 [2024-11-08 23:58:36,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:58:36,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:58:36,297 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:58:36,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:58:36,297 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:58:36,297 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:58:36,297 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:58:36,298 INFO L229 MonitoredProcess]: Starting monitored process 331 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:58:36,299 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (331)] Waiting until timeout for monitored process [2024-11-08 23:58:39,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:58:39,275 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:58:39,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:58:39,317 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:58:39,318 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:58:39,443 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:58:39,466 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (331)] Forceful destruction successful, exit code 0 [2024-11-08 23:58:39,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:58:39,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:58:39,488 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:58:39,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:58:39,488 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:58:39,488 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:58:39,488 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:58:39,489 INFO L229 MonitoredProcess]: Starting monitored process 332 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:58:39,490 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (332)] Waiting until timeout for monitored process [2024-11-08 23:58:42,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:58:42,461 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:58:42,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:58:42,503 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:58:42,504 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:58:42,684 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:58:42,711 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (332)] Ended with exit code 0 [2024-11-08 23:58:42,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:58:42,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:58:42,740 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:58:42,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:58:42,740 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:58:42,740 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:58:42,740 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:58:42,741 INFO L229 MonitoredProcess]: Starting monitored process 333 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:58:42,742 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (333)] Waiting until timeout for monitored process [2024-11-08 23:58:45,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:58:45,728 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:58:45,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:58:45,772 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:58:45,773 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:58:45,898 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:58:45,919 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (333)] Forceful destruction successful, exit code 0 [2024-11-08 23:58:45,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:58:45,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:58:45,941 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:58:45,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:58:45,941 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:58:45,941 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:58:45,941 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:58:45,943 INFO L229 MonitoredProcess]: Starting monitored process 334 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:58:45,944 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (334)] Waiting until timeout for monitored process [2024-11-08 23:58:48,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:58:48,943 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:58:48,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:58:48,985 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:58:48,987 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:58:49,115 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:58:49,137 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (334)] Ended with exit code 0 [2024-11-08 23:58:49,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:58:49,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:58:49,159 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:58:49,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:58:49,159 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:58:49,160 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:58:49,160 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:58:49,161 INFO L229 MonitoredProcess]: Starting monitored process 335 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:58:49,162 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (335)] Waiting until timeout for monitored process [2024-11-08 23:58:52,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:58:52,169 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:58:52,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:58:52,214 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:58:52,215 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:58:52,344 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:58:52,364 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (335)] Forceful destruction successful, exit code 0 [2024-11-08 23:58:52,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:58:52,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:58:52,387 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:58:52,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:58:52,387 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:58:52,387 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:58:52,387 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:58:52,388 INFO L229 MonitoredProcess]: Starting monitored process 336 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:58:52,389 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (336)] Waiting until timeout for monitored process [2024-11-08 23:58:55,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:58:55,451 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:58:55,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:58:55,493 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:58:55,494 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:58:55,625 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:58:55,646 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (336)] Ended with exit code 0 [2024-11-08 23:58:55,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:58:55,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:58:55,667 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:58:55,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:58:55,668 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:58:55,668 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:58:55,668 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:58:55,669 INFO L229 MonitoredProcess]: Starting monitored process 337 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:58:55,670 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (337)] Waiting until timeout for monitored process [2024-11-08 23:58:58,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:58:58,694 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:58:58,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:58:58,749 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:58:58,751 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:58:58,869 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:58:58,891 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (337)] Ended with exit code 0 [2024-11-08 23:58:58,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:58:58,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:58:58,914 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:58:58,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:58:58,915 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:58:58,915 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:58:58,915 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:58:58,916 INFO L229 MonitoredProcess]: Starting monitored process 338 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:58:58,917 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (338)] Waiting until timeout for monitored process [2024-11-08 23:59:01,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:59:01,989 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:59:02,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:59:02,033 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:59:02,035 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:59:02,184 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:59:02,211 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (338)] Ended with exit code 0 [2024-11-08 23:59:02,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:59:02,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:59:02,241 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:59:02,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:59:02,242 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:59:02,242 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:59:02,242 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:59:02,244 INFO L229 MonitoredProcess]: Starting monitored process 339 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:59:02,245 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (339)] Waiting until timeout for monitored process [2024-11-08 23:59:05,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:59:05,352 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:59:05,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:59:05,395 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:59:05,396 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:59:05,513 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:59:05,534 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (339)] Ended with exit code 0 [2024-11-08 23:59:05,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:59:05,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:59:05,556 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:59:05,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:59:05,556 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:59:05,557 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:59:05,557 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:59:05,557 INFO L229 MonitoredProcess]: Starting monitored process 340 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:59:05,558 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (340)] Waiting until timeout for monitored process [2024-11-08 23:59:08,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:59:08,636 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:59:08,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:59:08,680 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:59:08,682 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:59:08,796 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:59:08,818 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (340)] Ended with exit code 0 [2024-11-08 23:59:08,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:59:08,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:59:08,840 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:59:08,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:59:08,841 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:59:08,841 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:59:08,841 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:59:08,842 INFO L229 MonitoredProcess]: Starting monitored process 341 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:59:08,843 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (341)] Waiting until timeout for monitored process [2024-11-08 23:59:11,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:59:11,955 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:59:12,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:59:12,005 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:59:12,007 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:59:12,138 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:59:12,160 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (341)] Ended with exit code 0 [2024-11-08 23:59:12,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:59:12,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:59:12,198 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:59:12,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:59:12,198 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:59:12,199 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:59:12,199 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:59:12,200 INFO L229 MonitoredProcess]: Starting monitored process 342 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:59:12,201 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (342)] Waiting until timeout for monitored process [2024-11-08 23:59:15,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:59:15,348 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:59:15,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:59:15,392 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:59:15,394 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:59:15,533 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:59:15,555 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (342)] Ended with exit code 0 [2024-11-08 23:59:15,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:59:15,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:59:15,580 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:59:15,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:59:15,581 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:59:15,581 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:59:15,581 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:59:15,582 INFO L229 MonitoredProcess]: Starting monitored process 343 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:59:15,583 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (343)] Waiting until timeout for monitored process [2024-11-08 23:59:18,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:59:18,710 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:59:18,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:59:18,760 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:59:18,762 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:59:18,907 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:59:18,929 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (343)] Ended with exit code 0 [2024-11-08 23:59:18,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:59:18,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:59:18,951 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:59:18,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:59:18,951 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:59:18,951 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:59:18,951 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:59:18,952 INFO L229 MonitoredProcess]: Starting monitored process 344 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:59:18,953 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (344)] Waiting until timeout for monitored process [2024-11-08 23:59:22,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:59:22,081 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:59:22,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:59:22,126 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:59:22,129 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:59:22,253 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:59:22,275 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (344)] Ended with exit code 0 [2024-11-08 23:59:22,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:59:22,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:59:22,310 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:59:22,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:59:22,310 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:59:22,311 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:59:22,311 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:59:22,312 INFO L229 MonitoredProcess]: Starting monitored process 345 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:59:22,313 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (345)] Waiting until timeout for monitored process [2024-11-08 23:59:25,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:59:25,564 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:59:25,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:59:25,608 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:59:25,610 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:59:25,744 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:59:25,766 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (345)] Ended with exit code 0 [2024-11-08 23:59:25,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:59:25,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:59:25,792 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:59:25,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:59:25,792 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:59:25,792 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:59:25,792 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:59:25,793 INFO L229 MonitoredProcess]: Starting monitored process 346 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:59:25,794 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (346)] Waiting until timeout for monitored process [2024-11-08 23:59:29,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:59:29,152 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:59:29,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:59:29,194 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:59:29,196 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:59:29,315 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:59:29,337 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (346)] Forceful destruction successful, exit code 0 [2024-11-08 23:59:29,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:59:29,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:59:29,367 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:59:29,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:59:29,368 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:59:29,368 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:59:29,368 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:59:29,369 INFO L229 MonitoredProcess]: Starting monitored process 347 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:59:29,370 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (347)] Waiting until timeout for monitored process [2024-11-08 23:59:32,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:59:32,480 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:59:32,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:59:32,530 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:59:32,532 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:59:32,732 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:59:32,766 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (347)] Forceful destruction successful, exit code 0 [2024-11-08 23:59:32,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:59:32,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:59:32,799 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:59:32,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:59:32,799 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:59:32,800 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:59:32,800 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:59:32,801 INFO L229 MonitoredProcess]: Starting monitored process 348 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:59:32,807 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (348)] Waiting until timeout for monitored process [2024-11-08 23:59:35,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:59:35,957 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:59:35,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:59:36,001 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:59:36,002 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:59:36,144 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:59:36,169 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (348)] Ended with exit code 0 [2024-11-08 23:59:36,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:59:36,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:59:36,192 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:59:36,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:59:36,193 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:59:36,193 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:59:36,193 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:59:36,194 INFO L229 MonitoredProcess]: Starting monitored process 349 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:59:36,195 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (349)] Waiting until timeout for monitored process [2024-11-08 23:59:39,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:59:39,393 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:59:39,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:59:39,440 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:59:39,442 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:59:39,585 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:59:39,607 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (349)] Ended with exit code 0 [2024-11-08 23:59:39,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:59:39,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:59:39,631 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:59:39,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:59:39,631 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:59:39,631 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:59:39,631 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:59:39,634 INFO L229 MonitoredProcess]: Starting monitored process 350 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:59:39,635 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (350)] Waiting until timeout for monitored process [2024-11-08 23:59:42,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:59:42,989 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:59:43,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:59:43,032 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:59:43,033 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:59:43,156 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:59:43,179 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (350)] Ended with exit code 0 [2024-11-08 23:59:43,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:59:43,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:59:43,201 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:59:43,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:59:43,202 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:59:43,202 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:59:43,202 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:59:43,203 INFO L229 MonitoredProcess]: Starting monitored process 351 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:59:43,204 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (351)] Waiting until timeout for monitored process [2024-11-08 23:59:46,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:59:46,446 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:59:46,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:59:46,488 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:59:46,490 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:59:46,607 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:59:46,628 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (351)] Ended with exit code 0 [2024-11-08 23:59:46,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:59:46,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:59:46,650 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:59:46,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:59:46,651 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:59:46,651 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:59:46,651 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:59:46,652 INFO L229 MonitoredProcess]: Starting monitored process 352 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:59:46,653 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (352)] Waiting until timeout for monitored process [2024-11-08 23:59:49,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:59:49,817 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:59:49,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:59:49,870 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:59:49,871 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:59:49,986 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:59:50,007 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (352)] Ended with exit code 0 [2024-11-08 23:59:50,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:59:50,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:59:50,027 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:59:50,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:59:50,028 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:59:50,028 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:59:50,028 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:59:50,029 INFO L229 MonitoredProcess]: Starting monitored process 353 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:59:50,030 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (353)] Waiting until timeout for monitored process [2024-11-08 23:59:53,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:59:53,203 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:59:53,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:59:53,246 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:59:53,247 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:59:53,382 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:59:53,405 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (353)] Ended with exit code 0 [2024-11-08 23:59:53,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:59:53,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:59:53,428 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:59:53,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:59:53,429 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:59:53,429 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:59:53,429 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:59:53,430 INFO L229 MonitoredProcess]: Starting monitored process 354 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:59:53,431 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (354)] Waiting until timeout for monitored process [2024-11-08 23:59:56,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:59:56,692 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:59:56,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:59:56,735 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:59:56,736 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:59:56,873 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:59:56,897 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (354)] Ended with exit code 0 [2024-11-08 23:59:56,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:59:56,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-08 23:59:56,919 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-08 23:59:56,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:59:56,919 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:59:56,919 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:59:56,919 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:59:56,920 INFO L229 MonitoredProcess]: Starting monitored process 355 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:59:56,921 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (355)] Waiting until timeout for monitored process [2024-11-09 00:00:00,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:00:00,125 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:00:00,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:00:00,168 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:00:00,170 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:00:00,307 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-09 00:00:00,330 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (355)] Forceful destruction successful, exit code 0 [2024-11-09 00:00:00,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:00:00,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-09 00:00:00,352 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-09 00:00:00,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-09 00:00:00,352 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:00:00,352 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:00:00,352 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:00:00,353 INFO L229 MonitoredProcess]: Starting monitored process 356 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:00:00,354 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (356)] Waiting until timeout for monitored process [2024-11-09 00:00:03,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:00:03,556 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:00:03,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:00:03,604 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:00:03,605 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:00:03,775 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-09 00:00:03,802 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (356)] Ended with exit code 0 [2024-11-09 00:00:03,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:00:03,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-09 00:00:03,846 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-09 00:00:03,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-09 00:00:03,846 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:00:03,846 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:00:03,846 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:00:03,847 INFO L229 MonitoredProcess]: Starting monitored process 357 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:00:03,849 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (357)] Waiting until timeout for monitored process [2024-11-09 00:00:07,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:00:07,090 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:00:07,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:00:07,135 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:00:07,137 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:00:07,265 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-09 00:00:07,289 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (357)] Ended with exit code 0 [2024-11-09 00:00:07,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:00:07,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-09 00:00:07,312 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-09 00:00:07,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-09 00:00:07,312 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:00:07,312 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:00:07,312 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:00:07,313 INFO L229 MonitoredProcess]: Starting monitored process 358 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:00:07,314 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (358)] Waiting until timeout for monitored process [2024-11-09 00:00:10,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:00:10,567 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:00:10,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:00:10,616 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:00:10,617 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:00:10,745 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-09 00:00:10,769 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (358)] Forceful destruction successful, exit code 0 [2024-11-09 00:00:10,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:00:10,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-09 00:00:10,794 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-09 00:00:10,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-09 00:00:10,794 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:00:10,794 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:00:10,794 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:00:10,795 INFO L229 MonitoredProcess]: Starting monitored process 359 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:00:10,797 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (359)] Waiting until timeout for monitored process [2024-11-09 00:00:14,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:00:14,078 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:00:14,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:00:14,121 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:00:14,123 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:00:14,253 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-09 00:00:14,277 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (359)] Ended with exit code 0 [2024-11-09 00:00:14,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:00:14,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-09 00:00:14,301 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-09 00:00:14,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-09 00:00:14,301 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:00:14,302 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:00:14,302 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:00:14,303 INFO L229 MonitoredProcess]: Starting monitored process 360 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:00:14,304 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (360)] Waiting until timeout for monitored process [2024-11-09 00:00:17,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:00:17,559 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:00:17,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:00:17,603 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:00:17,605 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:00:17,737 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-09 00:00:17,761 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (360)] Ended with exit code 0 [2024-11-09 00:00:17,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:00:17,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-09 00:00:17,783 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-09 00:00:17,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-09 00:00:17,784 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:00:17,784 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:00:17,784 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:00:17,785 INFO L229 MonitoredProcess]: Starting monitored process 361 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:00:17,786 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (361)] Waiting until timeout for monitored process [2024-11-09 00:00:21,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:00:21,053 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:00:21,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:00:21,096 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:00:21,098 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:00:21,230 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-09 00:00:21,251 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (361)] Ended with exit code 0 [2024-11-09 00:00:21,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:00:21,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-09 00:00:21,280 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-09 00:00:21,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-09 00:00:21,281 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:00:21,281 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:00:21,281 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:00:21,282 INFO L229 MonitoredProcess]: Starting monitored process 362 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:00:21,283 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (362)] Waiting until timeout for monitored process [2024-11-09 00:00:24,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:00:24,554 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:00:24,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:00:24,597 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:00:24,598 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:00:24,715 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-09 00:00:24,737 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (362)] Ended with exit code 0 [2024-11-09 00:00:24,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:00:24,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-09 00:00:24,773 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-09 00:00:24,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-09 00:00:24,773 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:00:24,773 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:00:24,774 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:00:24,778 INFO L229 MonitoredProcess]: Starting monitored process 363 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:00:24,779 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (363)] Waiting until timeout for monitored process [2024-11-09 00:00:28,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:00:28,032 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:00:28,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:00:28,074 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:00:28,075 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:00:28,191 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-09 00:00:28,212 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (363)] Ended with exit code 0 [2024-11-09 00:00:28,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:00:28,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-09 00:00:28,233 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-09 00:00:28,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-09 00:00:28,233 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:00:28,233 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:00:28,233 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:00:28,234 INFO L229 MonitoredProcess]: Starting monitored process 364 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:00:28,235 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (364)] Waiting until timeout for monitored process [2024-11-09 00:00:31,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:00:31,490 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:00:31,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:00:31,533 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:00:31,534 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:00:31,648 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-09 00:00:31,670 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (364)] Forceful destruction successful, exit code 0 [2024-11-09 00:00:31,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:00:31,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-09 00:00:31,694 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-09 00:00:31,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-09 00:00:31,694 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:00:31,694 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:00:31,694 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:00:31,695 INFO L229 MonitoredProcess]: Starting monitored process 365 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:00:31,696 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (365)] Waiting until timeout for monitored process [2024-11-09 00:00:34,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:00:34,977 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:00:35,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:00:35,018 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:00:35,019 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:00:35,148 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-09 00:00:35,170 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (365)] Forceful destruction successful, exit code 0 [2024-11-09 00:00:35,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:00:35,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-09 00:00:35,191 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-09 00:00:35,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-09 00:00:35,191 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:00:35,191 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:00:35,192 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:00:35,192 INFO L229 MonitoredProcess]: Starting monitored process 366 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:00:35,193 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (366)] Waiting until timeout for monitored process [2024-11-09 00:00:38,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:00:38,460 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:00:38,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:00:38,502 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:00:38,504 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:00:38,634 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-09 00:00:38,655 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (366)] Forceful destruction successful, exit code 0 [2024-11-09 00:00:38,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:00:38,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-09 00:00:38,677 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-09 00:00:38,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-09 00:00:38,677 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:00:38,677 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:00:38,677 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:00:38,678 INFO L229 MonitoredProcess]: Starting monitored process 367 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:00:38,679 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (367)] Waiting until timeout for monitored process [2024-11-09 00:00:41,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:00:41,947 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:00:41,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:00:41,990 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:00:41,991 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:00:42,117 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-09 00:00:42,140 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (367)] Ended with exit code 0 [2024-11-09 00:00:42,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:00:42,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-09 00:00:42,161 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-09 00:00:42,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-09 00:00:42,161 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:00:42,162 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:00:42,162 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:00:42,163 INFO L229 MonitoredProcess]: Starting monitored process 368 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:00:42,164 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (368)] Waiting until timeout for monitored process [2024-11-09 00:00:45,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:00:45,463 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:00:45,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:00:45,505 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:00:45,506 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:00:45,625 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-09 00:00:45,648 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (368)] Ended with exit code 0 [2024-11-09 00:00:45,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:00:45,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2024-11-09 00:00:45,681 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-09 00:00:45,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-09 00:00:45,681 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:00:45,681 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:00:45,682 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:00:45,682 INFO L229 MonitoredProcess]: Starting monitored process 369 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:00:45,683 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577b7a58-0cac-4220-8347-2a3e8425ed29/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (369)] Waiting until timeout for monitored process