./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-patterns/array26_pattern.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49b6e744-1d96-49c1-b74c-7db2107b721a/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49b6e744-1d96-49c1-b74c-7db2107b721a/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_49b6e744-1d96-49c1-b74c-7db2107b721a/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49b6e744-1d96-49c1-b74c-7db2107b721a/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/array-patterns/array26_pattern.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49b6e744-1d96-49c1-b74c-7db2107b721a/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_49b6e744-1d96-49c1-b74c-7db2107b721a/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 56ad35a361c83538323b9be55683beef9c8271c8f67221c1a0924c8496da71d0 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 22:39:51,292 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:39:51,381 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49b6e744-1d96-49c1-b74c-7db2107b721a/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-08 22:39:51,387 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 22:39:51,388 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 22:39:51,426 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:39:51,429 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 22:39:51,429 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 22:39:51,430 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:39:51,432 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:39:51,433 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:39:51,433 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 22:39:51,434 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 22:39:51,434 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 22:39:51,434 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 22:39:51,435 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:39:51,435 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 22:39:51,435 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:39:51,436 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 22:39:51,436 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:39:51,436 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 22:39:51,440 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 22:39:51,443 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:39:51,444 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:39:51,444 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:39:51,444 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:39:51,444 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:39:51,445 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:39:51,445 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:39:51,445 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:39:51,446 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 22:39:51,446 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 22:39:51,448 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 22:39:51,449 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_49b6e744-1d96-49c1-b74c-7db2107b721a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49b6e744-1d96-49c1-b74c-7db2107b721a/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 56ad35a361c83538323b9be55683beef9c8271c8f67221c1a0924c8496da71d0 [2024-11-08 22:39:51,713 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:39:51,752 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:39:51,755 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:39:51,757 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:39:51,757 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:39:51,759 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49b6e744-1d96-49c1-b74c-7db2107b721a/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/array-patterns/array26_pattern.c Unable to find full path for "g++" [2024-11-08 22:39:53,910 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:39:54,099 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:39:54,100 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49b6e744-1d96-49c1-b74c-7db2107b721a/sv-benchmarks/c/array-patterns/array26_pattern.c [2024-11-08 22:39:54,107 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49b6e744-1d96-49c1-b74c-7db2107b721a/bin/ukojak-verify-ImItNfHLgk/data/0f057d0df/85787deca2ab44b39ccad38700a2de2a/FLAG8885d1d05 [2024-11-08 22:39:54,484 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49b6e744-1d96-49c1-b74c-7db2107b721a/bin/ukojak-verify-ImItNfHLgk/data/0f057d0df/85787deca2ab44b39ccad38700a2de2a [2024-11-08 22:39:54,487 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:39:54,489 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:39:54,491 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:39:54,491 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:39:54,498 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:39:54,499 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:39:54" (1/1) ... [2024-11-08 22:39:54,503 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a7a2438 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:39:54, skipping insertion in model container [2024-11-08 22:39:54,504 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:39:54" (1/1) ... [2024-11-08 22:39:54,537 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:39:54,771 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_49b6e744-1d96-49c1-b74c-7db2107b721a/sv-benchmarks/c/array-patterns/array26_pattern.c[1324,1337] [2024-11-08 22:39:54,807 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:39:54,825 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:39:54,838 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_49b6e744-1d96-49c1-b74c-7db2107b721a/sv-benchmarks/c/array-patterns/array26_pattern.c[1324,1337] [2024-11-08 22:39:54,856 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:39:54,880 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:39:54,880 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:39:54 WrapperNode [2024-11-08 22:39:54,881 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:39:54,882 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:39:54,882 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:39:54,882 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:39:54,891 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:39:54" (1/1) ... [2024-11-08 22:39:54,896 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:39:54" (1/1) ... [2024-11-08 22:39:54,919 INFO L138 Inliner]: procedures = 16, calls = 16, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 73 [2024-11-08 22:39:54,919 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:39:54,920 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:39:54,920 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:39:54,921 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:39:54,931 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:39:54" (1/1) ... [2024-11-08 22:39:54,931 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:39:54" (1/1) ... [2024-11-08 22:39:54,933 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:39:54" (1/1) ... [2024-11-08 22:39:54,934 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:39:54" (1/1) ... [2024-11-08 22:39:54,939 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:39:54" (1/1) ... [2024-11-08 22:39:54,943 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:39:54" (1/1) ... [2024-11-08 22:39:54,944 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:39:54" (1/1) ... [2024-11-08 22:39:54,945 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:39:54" (1/1) ... [2024-11-08 22:39:54,947 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:39:54,948 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:39:54,949 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:39:54,949 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:39:54,950 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:39:54" (1/1) ... [2024-11-08 22:39:54,955 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:39:54,969 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49b6e744-1d96-49c1-b74c-7db2107b721a/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:39:54,984 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49b6e744-1d96-49c1-b74c-7db2107b721a/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:39:54,991 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49b6e744-1d96-49c1-b74c-7db2107b721a/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:39:55,018 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 22:39:55,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 22:39:55,019 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-08 22:39:55,019 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-08 22:39:55,019 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:39:55,019 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:39:55,020 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-08 22:39:55,020 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-08 22:39:55,105 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:39:55,108 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:39:55,329 INFO L? ?]: Removed 18 outVars from TransFormulas that were not future-live. [2024-11-08 22:39:55,330 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:39:55,447 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 22:39:55,448 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 22:39:55,448 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:39:55 BoogieIcfgContainer [2024-11-08 22:39:55,448 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 22:39:55,449 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 22:39:55,449 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 22:39:55,461 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 22:39:55,461 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:39:55" (1/1) ... [2024-11-08 22:39:55,471 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:39:55,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:39:55,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 18 states and 26 transitions. [2024-11-08 22:39:55,534 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 26 transitions. [2024-11-08 22:39:55,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-08 22:39:55,537 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:39:55,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:39:55,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:39:55,759 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 22:39:55,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:39:55,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 19 states and 27 transitions. [2024-11-08 22:39:55,797 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 27 transitions. [2024-11-08 22:39:55,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-08 22:39:55,798 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:39:55,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:39:55,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:39:55,892 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 22:39:55,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:39:55,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 19 states and 26 transitions. [2024-11-08 22:39:55,935 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 26 transitions. [2024-11-08 22:39:55,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-08 22:39:55,939 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:39:55,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:39:55,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:39:56,166 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:39:56,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:39:56,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2024-11-08 22:39:56,444 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2024-11-08 22:39:56,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-08 22:39:56,445 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:39:56,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:39:56,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:39:56,500 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:39:56,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:39:56,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 22 states and 31 transitions. [2024-11-08 22:39:56,547 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 31 transitions. [2024-11-08 22:39:56,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-08 22:39:56,548 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:39:56,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:39:56,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:39:56,731 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-08 22:39:57,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:39:57,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 21 states and 29 transitions. [2024-11-08 22:39:57,077 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 29 transitions. [2024-11-08 22:39:57,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-08 22:39:57,077 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:39:57,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:39:57,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:39:57,144 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-08 22:39:57,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:39:57,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 21 states and 28 transitions. [2024-11-08 22:39:57,161 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 28 transitions. [2024-11-08 22:39:57,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-08 22:39:57,162 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:39:57,162 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:39:57,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:39:57,286 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-08 22:39:57,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:39:57,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 23 states and 32 transitions. [2024-11-08 22:39:57,331 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 32 transitions. [2024-11-08 22:39:57,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-08 22:39:57,331 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:39:57,331 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:39:57,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:39:57,390 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-08 22:39:57,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:39:57,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 23 states and 31 transitions. [2024-11-08 22:39:57,422 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 31 transitions. [2024-11-08 22:39:57,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-08 22:39:57,422 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:39:57,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:39:57,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:39:57,592 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-08 22:39:57,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:39:57,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 25 states and 33 transitions. [2024-11-08 22:39:57,771 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 33 transitions. [2024-11-08 22:39:57,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-08 22:39:57,771 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:39:57,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:39:57,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:39:57,855 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-08 22:39:58,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:39:58,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 33 states and 42 transitions. [2024-11-08 22:39:58,469 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 42 transitions. [2024-11-08 22:39:58,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-08 22:39:58,470 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:39:58,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:39:58,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:39:58,661 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-08 22:39:58,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:39:58,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 35 states and 45 transitions. [2024-11-08 22:39:58,787 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 45 transitions. [2024-11-08 22:39:58,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 22:39:58,788 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:39:58,788 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:39:58,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:39:58,980 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-08 22:39:59,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:39:59,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 43 states and 55 transitions. [2024-11-08 22:39:59,704 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 55 transitions. [2024-11-08 22:39:59,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-08 22:39:59,705 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:39:59,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:39:59,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:39:59,814 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-08 22:39:59,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:39:59,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 44 states and 56 transitions. [2024-11-08 22:39:59,876 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 56 transitions. [2024-11-08 22:39:59,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-08 22:39:59,879 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:39:59,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:39:59,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:40:00,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:40:00,118 INFO L255 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 68 conjuncts are in the unsatisfiable core [2024-11-08 22:40:00,133 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:40:00,446 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-08 22:40:00,635 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2024-11-08 22:40:01,136 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 22:40:01,137 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 28 [2024-11-08 22:40:01,327 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 22:40:01,328 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 33 treesize of output 40 [2024-11-08 22:40:02,697 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:40:09,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:40:09,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 81 states and 108 transitions. [2024-11-08 22:40:09,606 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 108 transitions. [2024-11-08 22:40:09,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-08 22:40:09,607 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:40:09,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:40:09,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:40:10,283 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 10 proven. 26 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-08 22:40:13,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:40:13,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 91 states and 126 transitions. [2024-11-08 22:40:13,391 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 126 transitions. [2024-11-08 22:40:13,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-08 22:40:13,392 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:40:13,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:40:13,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:40:13,487 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2024-11-08 22:40:14,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:40:14,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 93 states and 129 transitions. [2024-11-08 22:40:14,003 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 129 transitions. [2024-11-08 22:40:14,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-08 22:40:14,004 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:40:14,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:40:14,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:40:14,630 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 13 proven. 35 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-08 22:40:15,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:40:15,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 94 states and 130 transitions. [2024-11-08 22:40:15,261 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 130 transitions. [2024-11-08 22:40:15,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-08 22:40:15,262 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:40:15,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:40:15,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:40:15,836 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 1 proven. 38 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2024-11-08 22:40:17,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:40:17,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 98 states and 137 transitions. [2024-11-08 22:40:17,393 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 137 transitions. [2024-11-08 22:40:17,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-11-08 22:40:17,394 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:40:17,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:40:17,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:40:17,977 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 1 proven. 45 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2024-11-08 22:40:18,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:40:18,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 100 states and 141 transitions. [2024-11-08 22:40:18,953 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 141 transitions. [2024-11-08 22:40:18,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-08 22:40:18,954 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:40:18,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:40:18,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:40:19,516 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 37 proven. 34 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-08 22:40:20,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:40:20,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 102 states and 143 transitions. [2024-11-08 22:40:20,242 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 143 transitions. [2024-11-08 22:40:20,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-11-08 22:40:20,243 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:40:20,243 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:40:20,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:40:20,443 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 46 proven. 26 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-08 22:40:21,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:40:21,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 108 states and 148 transitions. [2024-11-08 22:40:21,966 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 148 transitions. [2024-11-08 22:40:21,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 22:40:21,967 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:40:21,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:40:22,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:40:22,279 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 22 proven. 48 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2024-11-08 22:40:25,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:40:25,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 101 states and 135 transitions. [2024-11-08 22:40:25,842 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 135 transitions. [2024-11-08 22:40:25,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-08 22:40:25,843 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:40:25,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:40:25,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:40:26,106 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 16 proven. 59 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2024-11-08 22:40:29,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:40:29,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 111 states and 146 transitions. [2024-11-08 22:40:29,250 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 146 transitions. [2024-11-08 22:40:29,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 22:40:29,251 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:40:29,251 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:40:29,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:40:29,485 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 6 proven. 74 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-11-08 22:40:31,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:40:31,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 121 states and 164 transitions. [2024-11-08 22:40:31,799 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 164 transitions. [2024-11-08 22:40:31,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-11-08 22:40:31,799 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:40:31,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:40:31,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:40:32,098 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 6 proven. 81 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2024-11-08 22:40:32,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:40:32,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 123 states and 166 transitions. [2024-11-08 22:40:32,638 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 166 transitions. [2024-11-08 22:40:32,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-11-08 22:40:32,639 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:40:32,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:40:32,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:40:32,764 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 164 trivial. 0 not checked. [2024-11-08 22:40:33,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:40:33,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 125 states and 168 transitions. [2024-11-08 22:40:33,669 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 168 transitions. [2024-11-08 22:40:33,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-11-08 22:40:33,670 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:40:33,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:40:33,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:40:33,849 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 164 trivial. 0 not checked. [2024-11-08 22:40:34,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:40:34,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 127 states and 169 transitions. [2024-11-08 22:40:34,700 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 169 transitions. [2024-11-08 22:40:34,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-08 22:40:34,700 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:40:34,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:40:34,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:40:34,975 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 25 proven. 70 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2024-11-08 22:40:36,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:40:36,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 131 states and 172 transitions. [2024-11-08 22:40:36,677 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 172 transitions. [2024-11-08 22:40:36,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-08 22:40:36,677 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:40:36,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:40:36,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:40:36,925 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 25 proven. 70 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2024-11-08 22:40:37,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:40:37,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 115 states and 150 transitions. [2024-11-08 22:40:37,863 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 150 transitions. [2024-11-08 22:40:37,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-08 22:40:37,864 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:40:37,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:40:37,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:40:38,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:40:38,465 INFO L255 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 133 conjuncts are in the unsatisfiable core [2024-11-08 22:40:38,477 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:40:38,966 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-08 22:40:39,191 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2024-11-08 22:40:39,630 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 22:40:39,630 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 30 [2024-11-08 22:40:40,540 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 22:40:40,540 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 35 treesize of output 40 [2024-11-08 22:40:40,917 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 22:40:40,918 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 42 treesize of output 50 [2024-11-08 22:40:41,259 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 22:40:41,260 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 49 treesize of output 60 [2024-11-08 22:40:42,150 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 22:40:42,150 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 56 treesize of output 72 [2024-11-08 22:40:42,492 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 22:40:42,492 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 28 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 65 treesize of output 82 [2024-11-08 22:40:42,886 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 22:40:42,887 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 36 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 72 treesize of output 92 [2024-11-08 22:40:48,248 INFO L134 CoverageAnalysis]: Checked inductivity of 228 backedges. 0 proven. 228 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:41:15,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:41:15,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 177 states and 224 transitions. [2024-11-08 22:41:15,409 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 224 transitions. [2024-11-08 22:41:15,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-08 22:41:15,411 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:41:15,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:41:15,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:41:16,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:41:16,051 INFO L255 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 130 conjuncts are in the unsatisfiable core [2024-11-08 22:41:16,062 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:41:16,149 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-08 22:41:16,207 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2024-11-08 22:41:16,522 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 22:41:16,523 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 30 [2024-11-08 22:41:16,977 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 22:41:16,977 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 35 treesize of output 40 [2024-11-08 22:41:17,065 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 22:41:17,065 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 42 treesize of output 50 [2024-11-08 22:41:17,174 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 22:41:17,175 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 49 treesize of output 60 [2024-11-08 22:41:17,473 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 22:41:17,474 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 56 treesize of output 72 [2024-11-08 22:41:17,641 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 22:41:17,642 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 28 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 65 treesize of output 82 [2024-11-08 22:41:17,848 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 22:41:17,849 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 36 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 72 treesize of output 92 [2024-11-08 22:41:19,544 INFO L134 CoverageAnalysis]: Checked inductivity of 228 backedges. 0 proven. 228 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:41:21,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:41:21,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 179 states and 225 transitions. [2024-11-08 22:41:21,636 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 225 transitions. [2024-11-08 22:41:21,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-11-08 22:41:21,637 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:41:21,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:41:21,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:41:21,890 INFO L134 CoverageAnalysis]: Checked inductivity of 249 backedges. 75 proven. 49 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2024-11-08 22:41:29,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:41:29,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 191 states and 243 transitions. [2024-11-08 22:41:29,783 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 243 transitions. [2024-11-08 22:41:29,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-11-08 22:41:29,784 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:41:29,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:41:29,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:41:30,062 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 26 proven. 104 refuted. 0 times theorem prover too weak. 142 trivial. 0 not checked. [2024-11-08 22:41:36,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:41:36,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 201 states and 253 transitions. [2024-11-08 22:41:36,156 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 253 transitions. [2024-11-08 22:41:36,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-11-08 22:41:36,156 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:41:36,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:41:36,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:41:37,618 INFO L134 CoverageAnalysis]: Checked inductivity of 297 backedges. 4 proven. 147 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2024-11-08 22:41:42,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:41:42,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 210 states and 264 transitions. [2024-11-08 22:41:42,148 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 264 transitions. [2024-11-08 22:41:42,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-11-08 22:41:42,149 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:41:42,149 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:41:42,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:41:42,449 INFO L134 CoverageAnalysis]: Checked inductivity of 350 backedges. 137 proven. 49 refuted. 0 times theorem prover too weak. 164 trivial. 0 not checked. [2024-11-08 22:41:43,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:41:43,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 212 states and 266 transitions. [2024-11-08 22:41:43,791 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 266 transitions. [2024-11-08 22:41:43,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-11-08 22:41:43,792 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:41:43,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:41:43,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:41:44,044 INFO L134 CoverageAnalysis]: Checked inductivity of 350 backedges. 137 proven. 49 refuted. 0 times theorem prover too weak. 164 trivial. 0 not checked. [2024-11-08 22:41:44,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:41:44,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 213 states and 266 transitions. [2024-11-08 22:41:44,671 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 266 transitions. [2024-11-08 22:41:44,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-11-08 22:41:44,672 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:41:44,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:41:44,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:41:44,955 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 123 proven. 104 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2024-11-08 22:41:45,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:41:45,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 197 states and 245 transitions. [2024-11-08 22:41:45,864 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 245 transitions. [2024-11-08 22:41:45,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2024-11-08 22:41:45,865 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:41:45,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:41:45,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:41:46,306 INFO L134 CoverageAnalysis]: Checked inductivity of 446 backedges. 66 proven. 117 refuted. 0 times theorem prover too weak. 263 trivial. 0 not checked. [2024-11-08 22:41:55,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:41:55,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 201 states and 249 transitions. [2024-11-08 22:41:55,056 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 249 transitions. [2024-11-08 22:41:55,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-11-08 22:41:55,058 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:41:55,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:41:55,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:41:55,386 INFO L134 CoverageAnalysis]: Checked inductivity of 467 backedges. 85 proven. 140 refuted. 0 times theorem prover too weak. 242 trivial. 0 not checked. [2024-11-08 22:42:02,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:42:02,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 213 states and 262 transitions. [2024-11-08 22:42:02,170 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 262 transitions. [2024-11-08 22:42:02,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-11-08 22:42:02,171 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:42:02,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:42:02,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:42:02,619 INFO L134 CoverageAnalysis]: Checked inductivity of 490 backedges. 34 proven. 163 refuted. 0 times theorem prover too weak. 293 trivial. 0 not checked. [2024-11-08 22:42:10,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:42:10,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 225 states and 275 transitions. [2024-11-08 22:42:10,931 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 275 transitions. [2024-11-08 22:42:10,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-11-08 22:42:10,932 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:42:10,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:42:10,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:42:11,369 INFO L134 CoverageAnalysis]: Checked inductivity of 490 backedges. 34 proven. 163 refuted. 0 times theorem prover too weak. 293 trivial. 0 not checked. [2024-11-08 22:42:13,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:42:13,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 203 states and 246 transitions. [2024-11-08 22:42:13,848 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 246 transitions. [2024-11-08 22:42:13,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2024-11-08 22:42:13,849 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:42:13,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:42:13,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:42:14,122 INFO L134 CoverageAnalysis]: Checked inductivity of 515 backedges. 11 proven. 243 refuted. 0 times theorem prover too weak. 261 trivial. 0 not checked. [2024-11-08 22:42:18,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:42:18,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 215 states and 262 transitions. [2024-11-08 22:42:18,995 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 262 transitions. [2024-11-08 22:42:18,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2024-11-08 22:42:18,997 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:42:18,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:42:19,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:42:19,375 INFO L134 CoverageAnalysis]: Checked inductivity of 515 backedges. 11 proven. 243 refuted. 0 times theorem prover too weak. 261 trivial. 0 not checked. [2024-11-08 22:42:21,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:42:21,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 217 states and 263 transitions. [2024-11-08 22:42:21,521 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 263 transitions. [2024-11-08 22:42:21,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-11-08 22:42:21,522 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:42:21,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:42:21,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:42:29,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:42:29,484 WARN L253 TraceCheckSpWp]: Trace formula consists of 415 conjuncts, 218 conjuncts are in the unsatisfiable core [2024-11-08 22:42:29,505 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:42:29,811 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-08 22:42:29,892 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2024-11-08 22:42:29,989 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 22:42:29,990 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 30 [2024-11-08 22:42:31,076 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 22:42:31,077 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 35 treesize of output 40 [2024-11-08 22:42:33,445 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 22:42:33,445 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 42 treesize of output 50 [2024-11-08 22:42:33,977 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 22:42:33,977 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 49 treesize of output 60 [2024-11-08 22:42:34,547 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 22:42:34,547 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 56 treesize of output 70 [2024-11-08 22:42:35,121 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 22:42:35,122 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 28 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 63 treesize of output 82 [2024-11-08 22:42:37,146 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 22:42:37,147 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 36 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 72 treesize of output 92 [2024-11-08 22:42:37,913 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 22:42:37,914 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 45 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 36 case distinctions, treesize of input 79 treesize of output 102 [2024-11-08 22:42:38,638 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 22:42:38,639 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 55 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 45 case distinctions, treesize of input 86 treesize of output 114 [2024-11-08 22:42:39,409 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 22:42:39,410 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 66 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 55 case distinctions, treesize of input 95 treesize of output 124 [2024-11-08 22:42:41,830 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 22:42:41,831 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 12 select indices, 12 select index equivalence classes, 78 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 66 case distinctions, treesize of input 102 treesize of output 134 [2024-11-08 22:42:42,803 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 22:42:42,804 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 13 select indices, 13 select index equivalence classes, 91 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 78 case distinctions, treesize of input 109 treesize of output 144 [2024-11-08 22:42:43,948 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 22:42:43,948 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 14 select indices, 14 select index equivalence classes, 105 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 91 case distinctions, treesize of input 116 treesize of output 154 [2024-11-08 22:42:44,948 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 22:42:44,949 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 15 select indices, 15 select index equivalence classes, 120 disjoint index pairs (out of 105 index pairs), introduced 15 new quantified variables, introduced 105 case distinctions, treesize of input 123 treesize of output 166 [2024-11-08 22:43:05,481 INFO L134 CoverageAnalysis]: Checked inductivity of 664 backedges. 0 proven. 664 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:44:38,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:44:38,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 303 states and 360 transitions. [2024-11-08 22:44:38,375 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 360 transitions. [2024-11-08 22:44:38,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-11-08 22:44:38,376 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:44:38,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:44:38,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:44:48,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:44:48,703 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-08 22:44:48,706 INFO L158 Benchmark]: Toolchain (without parser) took 294216.92ms. Allocated memory was 178.3MB in the beginning and 1.9GB in the end (delta: 1.8GB). Free memory was 139.5MB in the beginning and 1.2GB in the end (delta: -1.0GB). Peak memory consumption was 751.1MB. Max. memory is 16.1GB. [2024-11-08 22:44:48,710 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 136.3MB. Free memory was 81.7MB in the beginning and 81.6MB in the end (delta: 160.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:44:48,711 INFO L158 Benchmark]: CACSL2BoogieTranslator took 390.47ms. Allocated memory is still 178.3MB. Free memory was 139.0MB in the beginning and 125.9MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-08 22:44:48,711 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.89ms. Allocated memory is still 178.3MB. Free memory was 125.9MB in the beginning and 124.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 22:44:48,711 INFO L158 Benchmark]: Boogie Preprocessor took 27.36ms. Allocated memory is still 178.3MB. Free memory was 124.3MB in the beginning and 122.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 22:44:48,712 INFO L158 Benchmark]: RCFGBuilder took 500.00ms. Allocated memory is still 178.3MB. Free memory was 122.7MB in the beginning and 104.9MB in the end (delta: 17.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-08 22:44:48,712 INFO L158 Benchmark]: CodeCheck took 293256.21ms. Allocated memory was 178.3MB in the beginning and 1.9GB in the end (delta: 1.8GB). Free memory was 104.9MB in the beginning and 1.2GB in the end (delta: -1.1GB). Peak memory consumption was 717.6MB. Max. memory is 16.1GB. [2024-11-08 22:44:48,719 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40ms. Allocated memory is still 136.3MB. Free memory was 81.7MB in the beginning and 81.6MB in the end (delta: 160.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 390.47ms. Allocated memory is still 178.3MB. Free memory was 139.0MB in the beginning and 125.9MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.89ms. Allocated memory is still 178.3MB. Free memory was 125.9MB in the beginning and 124.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.36ms. Allocated memory is still 178.3MB. Free memory was 124.3MB in the beginning and 122.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 500.00ms. Allocated memory is still 178.3MB. Free memory was 122.7MB in the beginning and 104.9MB in the end (delta: 17.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 293256.21ms. Allocated memory was 178.3MB in the beginning and 1.9GB in the end (delta: 1.8GB). Free memory was 104.9MB in the beginning and 1.2GB in the end (delta: -1.1GB). Peak memory consumption was 717.6MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-08 22:44:48,840 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49b6e744-1d96-49c1-b74c-7db2107b721a/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49b6e744-1d96-49c1-b74c-7db2107b721a/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49b6e744-1d96-49c1-b74c-7db2107b721a/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_49b6e744-1d96-49c1-b74c-7db2107b721a/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49b6e744-1d96-49c1-b74c-7db2107b721a/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/array-patterns/array26_pattern.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49b6e744-1d96-49c1-b74c-7db2107b721a/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_49b6e744-1d96-49c1-b74c-7db2107b721a/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 56ad35a361c83538323b9be55683beef9c8271c8f67221c1a0924c8496da71d0 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 22:44:51,249 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:44:51,342 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49b6e744-1d96-49c1-b74c-7db2107b721a/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-08 22:44:51,387 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:44:51,388 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 22:44:51,389 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 22:44:51,390 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:44:51,390 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:44:51,392 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:44:51,393 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 22:44:51,393 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 22:44:51,394 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 22:44:51,394 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:44:51,394 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 22:44:51,395 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:44:51,397 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 22:44:51,397 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 22:44:51,397 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 22:44:51,398 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:44:51,398 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 22:44:51,398 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 22:44:51,402 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 22:44:51,402 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:44:51,403 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:44:51,403 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:44:51,403 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:44:51,404 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 22:44:51,404 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-08 22:44:51,404 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:44:51,404 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:44:51,405 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:44:51,405 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:44:51,405 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 22:44:51,406 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-08 22:44:51,406 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 22:44:51,406 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-08 22:44:51,406 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_49b6e744-1d96-49c1-b74c-7db2107b721a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49b6e744-1d96-49c1-b74c-7db2107b721a/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 56ad35a361c83538323b9be55683beef9c8271c8f67221c1a0924c8496da71d0 [2024-11-08 22:44:51,841 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:44:51,874 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:44:51,878 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:44:51,880 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:44:51,882 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:44:51,884 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49b6e744-1d96-49c1-b74c-7db2107b721a/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/array-patterns/array26_pattern.c Unable to find full path for "g++" [2024-11-08 22:44:54,244 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:44:54,505 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:44:54,506 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49b6e744-1d96-49c1-b74c-7db2107b721a/sv-benchmarks/c/array-patterns/array26_pattern.c [2024-11-08 22:44:54,515 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49b6e744-1d96-49c1-b74c-7db2107b721a/bin/ukojak-verify-ImItNfHLgk/data/958bd16be/72af07f4ab9e46ce9e62487d162de80d/FLAG91d74b854 [2024-11-08 22:44:54,533 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49b6e744-1d96-49c1-b74c-7db2107b721a/bin/ukojak-verify-ImItNfHLgk/data/958bd16be/72af07f4ab9e46ce9e62487d162de80d [2024-11-08 22:44:54,536 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:44:54,541 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:44:54,543 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:44:54,543 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:44:54,551 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:44:54,552 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:44:54" (1/1) ... [2024-11-08 22:44:54,554 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@315c3d40 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:44:54, skipping insertion in model container [2024-11-08 22:44:54,554 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:44:54" (1/1) ... [2024-11-08 22:44:54,588 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:44:54,846 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_49b6e744-1d96-49c1-b74c-7db2107b721a/sv-benchmarks/c/array-patterns/array26_pattern.c[1324,1337] [2024-11-08 22:44:54,886 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:44:54,907 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:44:54,924 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_49b6e744-1d96-49c1-b74c-7db2107b721a/sv-benchmarks/c/array-patterns/array26_pattern.c[1324,1337] [2024-11-08 22:44:54,947 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:44:54,979 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:44:54,982 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:44:54 WrapperNode [2024-11-08 22:44:54,983 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:44:54,984 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:44:54,984 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:44:54,984 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:44:54,994 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:44:54" (1/1) ... [2024-11-08 22:44:55,004 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:44:54" (1/1) ... [2024-11-08 22:44:55,030 INFO L138 Inliner]: procedures = 18, calls = 16, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 72 [2024-11-08 22:44:55,031 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:44:55,032 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:44:55,032 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:44:55,032 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:44:55,043 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:44:54" (1/1) ... [2024-11-08 22:44:55,043 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:44:54" (1/1) ... [2024-11-08 22:44:55,050 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:44:54" (1/1) ... [2024-11-08 22:44:55,054 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:44:54" (1/1) ... [2024-11-08 22:44:55,066 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:44:54" (1/1) ... [2024-11-08 22:44:55,072 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:44:54" (1/1) ... [2024-11-08 22:44:55,074 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:44:54" (1/1) ... [2024-11-08 22:44:55,075 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:44:54" (1/1) ... [2024-11-08 22:44:55,078 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:44:55,080 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:44:55,080 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:44:55,080 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:44:55,081 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:44:54" (1/1) ... [2024-11-08 22:44:55,088 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:44:55,112 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49b6e744-1d96-49c1-b74c-7db2107b721a/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:44:55,131 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49b6e744-1d96-49c1-b74c-7db2107b721a/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:44:55,138 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49b6e744-1d96-49c1-b74c-7db2107b721a/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:44:55,168 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 22:44:55,168 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-08 22:44:55,169 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-08 22:44:55,169 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-11-08 22:44:55,169 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:44:55,170 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:44:55,170 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-08 22:44:55,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-11-08 22:44:55,271 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:44:55,277 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:44:55,812 INFO L? ?]: Removed 18 outVars from TransFormulas that were not future-live. [2024-11-08 22:44:55,813 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:44:55,971 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 22:44:55,975 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 22:44:55,976 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:44:55 BoogieIcfgContainer [2024-11-08 22:44:55,976 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 22:44:55,977 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 22:44:55,977 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 22:44:55,989 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 22:44:55,989 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:44:55" (1/1) ... [2024-11-08 22:44:56,002 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:44:56,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:44:56,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 18 states and 26 transitions. [2024-11-08 22:44:56,066 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 26 transitions. [2024-11-08 22:44:56,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-08 22:44:56,068 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:44:56,068 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:44:56,069 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49b6e744-1d96-49c1-b74c-7db2107b721a/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:44:56,070 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49b6e744-1d96-49c1-b74c-7db2107b721a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:44:56,073 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49b6e744-1d96-49c1-b74c-7db2107b721a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-08 22:44:56,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:44:56,169 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:44:56,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:44:56,211 INFO L255 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:44:56,230 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:44:56,326 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 22:44:56,328 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49b6e744-1d96-49c1-b74c-7db2107b721a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2024-11-08 22:44:56,330 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49b6e744-1d96-49c1-b74c-7db2107b721a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2024-11-08 22:44:56,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:44:56,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 23 states and 37 transitions. [2024-11-08 22:44:56,457 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 37 transitions. [2024-11-08 22:44:56,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-08 22:44:56,459 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:44:56,459 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:44:56,459 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49b6e744-1d96-49c1-b74c-7db2107b721a/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:44:56,462 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49b6e744-1d96-49c1-b74c-7db2107b721a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:44:56,464 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49b6e744-1d96-49c1-b74c-7db2107b721a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-08 22:44:56,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:44:56,551 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:44:56,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:44:56,594 INFO L255 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-08 22:44:56,597 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:44:56,637 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 22:44:56,642 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49b6e744-1d96-49c1-b74c-7db2107b721a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-08 22:44:56,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:44:56,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 23 states and 35 transitions. [2024-11-08 22:44:56,735 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 35 transitions. [2024-11-08 22:44:56,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-08 22:44:56,737 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:44:56,737 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:44:56,737 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49b6e744-1d96-49c1-b74c-7db2107b721a/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:44:56,740 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49b6e744-1d96-49c1-b74c-7db2107b721a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:44:56,742 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49b6e744-1d96-49c1-b74c-7db2107b721a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-08 22:44:56,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:44:56,817 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:44:56,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:44:56,854 INFO L255 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-08 22:44:56,855 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:44:56,865 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 22:44:56,868 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49b6e744-1d96-49c1-b74c-7db2107b721a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-08 22:44:56,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:44:56,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 23 states and 33 transitions. [2024-11-08 22:44:56,909 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 33 transitions. [2024-11-08 22:44:56,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-08 22:44:56,909 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:44:56,909 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:44:56,910 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49b6e744-1d96-49c1-b74c-7db2107b721a/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:44:56,912 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49b6e744-1d96-49c1-b74c-7db2107b721a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:44:56,924 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49b6e744-1d96-49c1-b74c-7db2107b721a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-08 22:44:57,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:44:57,008 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:44:57,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:44:57,043 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:44:57,046 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:44:57,101 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-08 22:44:57,105 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49b6e744-1d96-49c1-b74c-7db2107b721a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2024-11-08 22:44:57,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:44:57,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 26 states and 38 transitions. [2024-11-08 22:44:57,357 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2024-11-08 22:44:57,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-08 22:44:57,361 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:44:57,362 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:44:57,362 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49b6e744-1d96-49c1-b74c-7db2107b721a/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:44:57,365 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49b6e744-1d96-49c1-b74c-7db2107b721a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:44:57,367 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49b6e744-1d96-49c1-b74c-7db2107b721a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-08 22:44:57,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:44:57,459 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:44:57,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:44:57,492 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:44:57,494 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:44:57,544 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-08 22:44:57,548 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49b6e744-1d96-49c1-b74c-7db2107b721a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-11-08 22:44:57,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:44:57,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 29 states and 43 transitions. [2024-11-08 22:44:57,636 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 43 transitions. [2024-11-08 22:44:57,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-08 22:44:57,638 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:44:57,639 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:44:57,639 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49b6e744-1d96-49c1-b74c-7db2107b721a/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:44:57,642 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49b6e744-1d96-49c1-b74c-7db2107b721a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:44:57,643 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49b6e744-1d96-49c1-b74c-7db2107b721a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-08 22:44:57,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:44:57,718 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:44:57,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:44:57,744 INFO L255 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-08 22:44:57,745 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:44:57,802 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:44:57,807 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49b6e744-1d96-49c1-b74c-7db2107b721a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-11-08 22:44:57,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:44:57,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 29 states and 41 transitions. [2024-11-08 22:44:57,960 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 41 transitions. [2024-11-08 22:44:57,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-08 22:44:57,961 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:44:57,961 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:44:57,961 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49b6e744-1d96-49c1-b74c-7db2107b721a/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:44:57,966 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49b6e744-1d96-49c1-b74c-7db2107b721a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:44:57,969 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49b6e744-1d96-49c1-b74c-7db2107b721a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-11-08 22:44:58,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:44:58,041 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:44:58,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:44:58,069 INFO L255 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-08 22:44:58,070 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:44:58,079 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:44:58,081 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49b6e744-1d96-49c1-b74c-7db2107b721a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-11-08 22:44:58,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:44:58,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 29 states and 39 transitions. [2024-11-08 22:44:58,167 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 39 transitions. [2024-11-08 22:44:58,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-08 22:44:58,168 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:44:58,168 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:44:58,170 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49b6e744-1d96-49c1-b74c-7db2107b721a/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:44:58,172 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49b6e744-1d96-49c1-b74c-7db2107b721a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:44:58,175 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49b6e744-1d96-49c1-b74c-7db2107b721a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-11-08 22:44:58,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:44:58,258 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:44:58,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:44:58,316 INFO L255 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:44:58,318 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:44:58,369 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-08 22:44:58,372 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49b6e744-1d96-49c1-b74c-7db2107b721a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-11-08 22:44:58,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:44:58,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 24 states and 31 transitions. [2024-11-08 22:44:58,680 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 31 transitions. [2024-11-08 22:44:58,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-08 22:44:58,681 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:44:58,681 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:44:58,681 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49b6e744-1d96-49c1-b74c-7db2107b721a/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:44:58,683 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49b6e744-1d96-49c1-b74c-7db2107b721a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:44:58,687 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49b6e744-1d96-49c1-b74c-7db2107b721a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-11-08 22:44:58,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:44:58,827 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:44:58,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:44:58,871 INFO L255 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:44:58,872 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:44:59,038 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-08 22:44:59,042 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49b6e744-1d96-49c1-b74c-7db2107b721a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (10)] Forceful destruction successful, exit code 0 [2024-11-08 22:44:59,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:44:59,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 25 states and 33 transitions. [2024-11-08 22:44:59,553 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 33 transitions. [2024-11-08 22:44:59,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-08 22:44:59,554 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:44:59,554 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:44:59,554 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49b6e744-1d96-49c1-b74c-7db2107b721a/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:44:59,558 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49b6e744-1d96-49c1-b74c-7db2107b721a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:44:59,561 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49b6e744-1d96-49c1-b74c-7db2107b721a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-11-08 22:44:59,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:44:59,705 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:44:59,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:44:59,762 INFO L255 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:44:59,766 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:45:00,103 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-08 22:45:00,105 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49b6e744-1d96-49c1-b74c-7db2107b721a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (11)] Exception during sending of exit command (exit): Broken pipe [2024-11-08 22:45:00,110 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49b6e744-1d96-49c1-b74c-7db2107b721a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (11)] Forceful destruction successful, exit code 0 [2024-11-08 22:45:01,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:45:01,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 27 states and 37 transitions. [2024-11-08 22:45:01,434 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 37 transitions. [2024-11-08 22:45:01,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-08 22:45:01,435 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:45:01,435 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:45:01,436 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49b6e744-1d96-49c1-b74c-7db2107b721a/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:45:01,439 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49b6e744-1d96-49c1-b74c-7db2107b721a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:45:01,440 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49b6e744-1d96-49c1-b74c-7db2107b721a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-11-08 22:45:01,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:45:01,612 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:45:01,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:45:01,672 INFO L255 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-08 22:45:01,674 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:45:02,128 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-08 22:45:02,133 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49b6e744-1d96-49c1-b74c-7db2107b721a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2024-11-08 22:45:05,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:45:05,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 33 states and 45 transitions. [2024-11-08 22:45:05,436 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 45 transitions. [2024-11-08 22:45:05,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-08 22:45:05,437 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:45:05,437 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:45:05,437 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49b6e744-1d96-49c1-b74c-7db2107b721a/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:45:05,439 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49b6e744-1d96-49c1-b74c-7db2107b721a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:45:05,440 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49b6e744-1d96-49c1-b74c-7db2107b721a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-11-08 22:45:05,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:45:05,612 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:45:05,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:45:05,703 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-08 22:45:05,705 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:45:06,373 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-08 22:45:06,379 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49b6e744-1d96-49c1-b74c-7db2107b721a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (13)] Forceful destruction successful, exit code 0 [2024-11-08 22:45:11,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:45:11,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 37 states and 53 transitions. [2024-11-08 22:45:11,145 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 53 transitions. [2024-11-08 22:45:11,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:45:11,146 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:45:11,147 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:45:11,147 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49b6e744-1d96-49c1-b74c-7db2107b721a/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:45:11,150 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49b6e744-1d96-49c1-b74c-7db2107b721a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:45:11,153 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49b6e744-1d96-49c1-b74c-7db2107b721a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-11-08 22:45:11,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:45:11,355 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:45:11,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:45:11,425 INFO L255 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-08 22:45:11,427 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:45:12,107 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-08 22:45:12,111 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49b6e744-1d96-49c1-b74c-7db2107b721a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2024-11-08 22:45:15,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:45:15,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 46 states and 71 transitions. [2024-11-08 22:45:15,954 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 71 transitions. [2024-11-08 22:45:15,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:45:15,955 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:45:15,955 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:45:15,955 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49b6e744-1d96-49c1-b74c-7db2107b721a/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:45:15,957 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49b6e744-1d96-49c1-b74c-7db2107b721a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:45:15,958 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49b6e744-1d96-49c1-b74c-7db2107b721a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2024-11-08 22:45:16,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:45:16,119 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:45:16,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:45:16,195 INFO L255 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-08 22:45:16,197 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:45:16,892 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-08 22:45:16,896 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49b6e744-1d96-49c1-b74c-7db2107b721a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (15)] Forceful destruction successful, exit code 0 [2024-11-08 22:45:17,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:45:17,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 47 states and 71 transitions. [2024-11-08 22:45:17,736 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 71 transitions. [2024-11-08 22:45:17,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 22:45:17,737 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:45:17,738 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:45:17,738 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49b6e744-1d96-49c1-b74c-7db2107b721a/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:45:17,743 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49b6e744-1d96-49c1-b74c-7db2107b721a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:45:17,746 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49b6e744-1d96-49c1-b74c-7db2107b721a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2024-11-08 22:45:17,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:45:17,956 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:45:18,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:45:18,042 INFO L255 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-08 22:45:18,044 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:45:18,551 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-08 22:45:18,554 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49b6e744-1d96-49c1-b74c-7db2107b721a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (16)] Forceful destruction successful, exit code 0 [2024-11-08 22:45:19,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:45:19,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 48 states and 72 transitions. [2024-11-08 22:45:19,370 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 72 transitions. [2024-11-08 22:45:19,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 22:45:19,371 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:45:19,371 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:45:19,371 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49b6e744-1d96-49c1-b74c-7db2107b721a/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:45:19,378 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49b6e744-1d96-49c1-b74c-7db2107b721a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:45:19,381 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49b6e744-1d96-49c1-b74c-7db2107b721a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2024-11-08 22:45:19,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:45:19,580 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:45:19,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:45:19,646 INFO L255 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-08 22:45:19,648 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:45:20,217 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-08 22:45:20,222 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49b6e744-1d96-49c1-b74c-7db2107b721a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2024-11-08 22:45:22,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:45:22,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 50 states and 75 transitions. [2024-11-08 22:45:22,156 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 75 transitions. [2024-11-08 22:45:22,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-08 22:45:22,157 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:45:22,157 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:45:22,158 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49b6e744-1d96-49c1-b74c-7db2107b721a/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:45:22,163 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49b6e744-1d96-49c1-b74c-7db2107b721a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:45:22,170 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49b6e744-1d96-49c1-b74c-7db2107b721a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2024-11-08 22:45:22,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:45:22,404 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:45:22,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:45:22,490 INFO L255 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-08 22:45:22,492 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:45:23,153 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 11 proven. 1 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-08 22:45:23,159 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49b6e744-1d96-49c1-b74c-7db2107b721a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2024-11-08 22:45:23,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:45:23,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 51 states and 76 transitions. [2024-11-08 22:45:23,275 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 76 transitions. [2024-11-08 22:45:23,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-08 22:45:23,276 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:45:23,276 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:45:23,276 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49b6e744-1d96-49c1-b74c-7db2107b721a/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:45:23,279 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49b6e744-1d96-49c1-b74c-7db2107b721a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:45:23,281 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49b6e744-1d96-49c1-b74c-7db2107b721a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2024-11-08 22:45:23,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:45:23,464 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:45:23,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:45:23,542 INFO L255 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-08 22:45:23,543 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:45:23,718 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2024-11-08 22:45:23,724 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49b6e744-1d96-49c1-b74c-7db2107b721a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (19)] Forceful destruction successful, exit code 0 [2024-11-08 22:45:24,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:45:24,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 53 states and 78 transitions. [2024-11-08 22:45:24,493 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 78 transitions. [2024-11-08 22:45:24,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-11-08 22:45:24,494 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:45:24,494 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:45:24,495 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49b6e744-1d96-49c1-b74c-7db2107b721a/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:45:24,499 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49b6e744-1d96-49c1-b74c-7db2107b721a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:45:24,502 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49b6e744-1d96-49c1-b74c-7db2107b721a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2024-11-08 22:45:24,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:45:24,793 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:45:24,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:45:24,893 INFO L255 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-08 22:45:24,894 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:45:25,322 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 11 proven. 1 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-08 22:45:25,328 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49b6e744-1d96-49c1-b74c-7db2107b721a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (20)] Forceful destruction successful, exit code 0 [2024-11-08 22:45:27,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:45:27,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 55 states and 80 transitions. [2024-11-08 22:45:27,278 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 80 transitions. [2024-11-08 22:45:27,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-08 22:45:27,279 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:45:27,279 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:45:27,280 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49b6e744-1d96-49c1-b74c-7db2107b721a/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:45:27,283 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49b6e744-1d96-49c1-b74c-7db2107b721a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:45:27,286 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49b6e744-1d96-49c1-b74c-7db2107b721a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2024-11-08 22:45:28,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:45:28,438 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:45:28,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:45:28,605 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 44 conjuncts are in the unsatisfiable core [2024-11-08 22:45:28,612 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:45:29,634 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-08 22:45:30,267 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2024-11-08 22:45:32,686 INFO L349 Elim1Store]: treesize reduction 37, result has 37.3 percent of original size [2024-11-08 22:45:32,686 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 29 treesize of output 38 [2024-11-08 22:45:33,623 INFO L349 Elim1Store]: treesize reduction 65, result has 27.0 percent of original size [2024-11-08 22:45:33,624 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 41 treesize of output 57 [2024-11-08 22:45:39,819 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:45:39,828 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49b6e744-1d96-49c1-b74c-7db2107b721a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (21)] Ended with exit code 0 [2024-11-08 22:46:14,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:46:14,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 87 states and 128 transitions. [2024-11-08 22:46:14,773 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 128 transitions. [2024-11-08 22:46:14,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-08 22:46:14,773 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:46:14,773 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:46:14,773 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49b6e744-1d96-49c1-b74c-7db2107b721a/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:46:14,774 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49b6e744-1d96-49c1-b74c-7db2107b721a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:46:14,776 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49b6e744-1d96-49c1-b74c-7db2107b721a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2024-11-08 22:46:15,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:46:15,093 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:46:15,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:46:15,213 INFO L255 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-08 22:46:15,215 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:46:19,548 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-08 22:46:19,553 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49b6e744-1d96-49c1-b74c-7db2107b721a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (22)] Ended with exit code 0 [2024-11-08 22:46:49,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:46:49,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 100 states and 151 transitions. [2024-11-08 22:46:49,124 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 151 transitions. [2024-11-08 22:46:49,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-08 22:46:49,125 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:46:49,125 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:46:49,125 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49b6e744-1d96-49c1-b74c-7db2107b721a/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:46:49,128 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49b6e744-1d96-49c1-b74c-7db2107b721a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:46:49,130 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49b6e744-1d96-49c1-b74c-7db2107b721a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2024-11-08 22:46:49,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:46:49,446 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:46:49,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:46:49,572 INFO L255 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:46:49,573 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:46:54,145 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-08 22:46:54,150 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49b6e744-1d96-49c1-b74c-7db2107b721a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (23)] Forceful destruction successful, exit code 0 [2024-11-08 22:47:05,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:47:05,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 103 states and 160 transitions. [2024-11-08 22:47:05,435 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 160 transitions. [2024-11-08 22:47:05,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-08 22:47:05,435 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:47:05,435 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:47:05,436 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49b6e744-1d96-49c1-b74c-7db2107b721a/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:47:05,437 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49b6e744-1d96-49c1-b74c-7db2107b721a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:47:05,438 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49b6e744-1d96-49c1-b74c-7db2107b721a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2024-11-08 22:47:05,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:47:05,716 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:47:05,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:47:05,825 INFO L255 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:47:05,826 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:47:10,450 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 26 proven. 22 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-08 22:47:10,456 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49b6e744-1d96-49c1-b74c-7db2107b721a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (24)] Forceful destruction successful, exit code 0 [2024-11-08 22:47:16,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:47:16,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 104 states and 162 transitions. [2024-11-08 22:47:16,322 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 162 transitions. [2024-11-08 22:47:16,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-08 22:47:16,322 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:47:16,322 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:47:16,323 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49b6e744-1d96-49c1-b74c-7db2107b721a/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:47:16,324 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49b6e744-1d96-49c1-b74c-7db2107b721a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:47:16,325 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49b6e744-1d96-49c1-b74c-7db2107b721a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2024-11-08 22:47:16,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:47:16,644 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:47:16,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:47:16,767 INFO L255 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:47:16,768 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:47:17,559 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 21 proven. 22 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-11-08 22:47:17,566 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49b6e744-1d96-49c1-b74c-7db2107b721a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (25)] Ended with exit code 0 [2024-11-08 22:47:19,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:47:19,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 105 states and 163 transitions. [2024-11-08 22:47:19,422 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 163 transitions. [2024-11-08 22:47:19,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-08 22:47:19,422 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:47:19,423 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:47:19,423 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49b6e744-1d96-49c1-b74c-7db2107b721a/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:47:19,426 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49b6e744-1d96-49c1-b74c-7db2107b721a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:47:19,428 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49b6e744-1d96-49c1-b74c-7db2107b721a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2024-11-08 22:47:19,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:47:19,824 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:47:19,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:47:19,945 INFO L255 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 22:47:19,946 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:47:24,300 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-08 22:47:24,307 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49b6e744-1d96-49c1-b74c-7db2107b721a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (26)] Forceful destruction successful, exit code 0 [2024-11-08 22:47:59,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:47:59,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 118 states and 188 transitions. [2024-11-08 22:47:59,114 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 188 transitions. [2024-11-08 22:47:59,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-08 22:47:59,114 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:47:59,115 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:47:59,115 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49b6e744-1d96-49c1-b74c-7db2107b721a/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:47:59,118 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49b6e744-1d96-49c1-b74c-7db2107b721a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:47:59,119 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49b6e744-1d96-49c1-b74c-7db2107b721a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2024-11-08 22:47:59,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:47:59,438 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:47:59,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:47:59,607 INFO L255 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-08 22:47:59,608 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:48:00,239 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2024-11-08 22:48:00,245 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49b6e744-1d96-49c1-b74c-7db2107b721a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (27)] Forceful destruction successful, exit code 0 [2024-11-08 22:48:03,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:48:03,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 119 states and 189 transitions. [2024-11-08 22:48:03,380 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 189 transitions. [2024-11-08 22:48:03,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-08 22:48:03,380 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:48:03,380 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:48:03,381 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49b6e744-1d96-49c1-b74c-7db2107b721a/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:48:03,382 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49b6e744-1d96-49c1-b74c-7db2107b721a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:48:03,383 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49b6e744-1d96-49c1-b74c-7db2107b721a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2024-11-08 22:48:03,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:48:03,733 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:48:03,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:48:03,846 INFO L255 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 22:48:03,847 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:48:04,549 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-08 22:48:04,554 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49b6e744-1d96-49c1-b74c-7db2107b721a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (28)] Ended with exit code 0 [2024-11-08 22:48:07,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:48:07,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 120 states and 190 transitions. [2024-11-08 22:48:07,524 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 190 transitions. [2024-11-08 22:48:07,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-08 22:48:07,525 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:48:07,526 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:48:07,526 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49b6e744-1d96-49c1-b74c-7db2107b721a/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:48:07,528 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49b6e744-1d96-49c1-b74c-7db2107b721a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:48:07,532 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49b6e744-1d96-49c1-b74c-7db2107b721a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2024-11-08 22:48:07,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:48:07,945 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:48:08,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:48:08,075 INFO L255 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 22:48:08,076 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:48:09,424 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 0 proven. 62 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2024-11-08 22:48:09,429 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49b6e744-1d96-49c1-b74c-7db2107b721a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (29)] Ended with exit code 0 [2024-11-08 22:48:14,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:48:14,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 123 states and 193 transitions. [2024-11-08 22:48:14,172 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 193 transitions. [2024-11-08 22:48:14,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-08 22:48:14,173 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:48:14,174 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:48:14,174 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49b6e744-1d96-49c1-b74c-7db2107b721a/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:48:14,178 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49b6e744-1d96-49c1-b74c-7db2107b721a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:48:14,180 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49b6e744-1d96-49c1-b74c-7db2107b721a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2024-11-08 22:48:14,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:48:14,551 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:48:14,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:48:14,663 INFO L255 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:48:14,664 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:48:18,633 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 33 proven. 36 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-08 22:48:18,638 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49b6e744-1d96-49c1-b74c-7db2107b721a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (30)] Forceful destruction successful, exit code 0 [2024-11-08 22:48:29,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:48:29,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 126 states and 198 transitions. [2024-11-08 22:48:29,421 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 198 transitions. [2024-11-08 22:48:29,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-08 22:48:29,422 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:48:29,422 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:48:29,422 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49b6e744-1d96-49c1-b74c-7db2107b721a/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:48:29,423 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49b6e744-1d96-49c1-b74c-7db2107b721a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:48:29,425 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49b6e744-1d96-49c1-b74c-7db2107b721a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2024-11-08 22:48:29,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:48:29,770 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:48:29,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:48:29,914 INFO L255 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:48:29,916 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:48:36,074 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 16 proven. 55 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-08 22:48:36,079 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49b6e744-1d96-49c1-b74c-7db2107b721a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (31)] Forceful destruction successful, exit code 0 [2024-11-08 22:49:23,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:49:23,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 142 states and 224 transitions. [2024-11-08 22:49:23,626 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 224 transitions. [2024-11-08 22:49:23,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-08 22:49:23,627 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:49:23,627 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:49:23,627 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49b6e744-1d96-49c1-b74c-7db2107b721a/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:49:23,629 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49b6e744-1d96-49c1-b74c-7db2107b721a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:49:23,630 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49b6e744-1d96-49c1-b74c-7db2107b721a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2024-11-08 22:49:24,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:49:24,011 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:49:24,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:49:24,129 INFO L255 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:49:24,130 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:49:25,060 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 16 proven. 55 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-08 22:49:25,065 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49b6e744-1d96-49c1-b74c-7db2107b721a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (32)] Ended with exit code 0 [2024-11-08 22:49:30,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:49:30,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 144 states and 225 transitions. [2024-11-08 22:49:30,267 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 225 transitions. [2024-11-08 22:49:30,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-11-08 22:49:30,267 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:49:30,267 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:49:30,268 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49b6e744-1d96-49c1-b74c-7db2107b721a/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:49:30,269 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49b6e744-1d96-49c1-b74c-7db2107b721a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:49:30,271 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49b6e744-1d96-49c1-b74c-7db2107b721a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (33)] Waiting until timeout for monitored process [2024-11-08 22:49:30,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:49:30,644 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:49:30,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:49:30,767 INFO L255 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:49:30,768 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:49:34,784 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 3 proven. 75 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-11-08 22:49:34,788 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49b6e744-1d96-49c1-b74c-7db2107b721a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (33)] Forceful destruction successful, exit code 0 [2024-11-08 22:50:04,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:50:04,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 154 states and 244 transitions. [2024-11-08 22:50:04,693 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 244 transitions. [2024-11-08 22:50:04,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-11-08 22:50:04,694 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:50:04,694 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:50:04,694 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49b6e744-1d96-49c1-b74c-7db2107b721a/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:50:04,697 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49b6e744-1d96-49c1-b74c-7db2107b721a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:50:04,698 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49b6e744-1d96-49c1-b74c-7db2107b721a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2024-11-08 22:50:05,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:50:05,067 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:50:05,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:50:05,204 INFO L255 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:50:05,205 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:50:06,458 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 3 proven. 75 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-11-08 22:50:06,463 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49b6e744-1d96-49c1-b74c-7db2107b721a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (34)] Ended with exit code 0 [2024-11-08 22:50:23,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:50:23,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 160 states and 249 transitions. [2024-11-08 22:50:23,975 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 249 transitions. [2024-11-08 22:50:23,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-11-08 22:50:23,976 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:50:23,976 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:50:23,976 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49b6e744-1d96-49c1-b74c-7db2107b721a/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:50:23,980 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49b6e744-1d96-49c1-b74c-7db2107b721a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:50:23,983 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49b6e744-1d96-49c1-b74c-7db2107b721a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (35)] Waiting until timeout for monitored process [2024-11-08 22:50:24,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:50:24,386 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:50:24,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:50:24,522 INFO L255 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:50:24,524 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:50:25,873 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-08 22:50:25,879 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49b6e744-1d96-49c1-b74c-7db2107b721a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (35)] Forceful destruction successful, exit code 0 [2024-11-08 22:50:38,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:50:38,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 164 states and 256 transitions. [2024-11-08 22:50:38,527 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 256 transitions. [2024-11-08 22:50:38,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-11-08 22:50:38,528 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:50:38,528 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:50:38,528 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49b6e744-1d96-49c1-b74c-7db2107b721a/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:50:38,529 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49b6e744-1d96-49c1-b74c-7db2107b721a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:50:38,531 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49b6e744-1d96-49c1-b74c-7db2107b721a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (36)] Waiting until timeout for monitored process [2024-11-08 22:50:38,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:50:38,930 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:50:39,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:50:39,069 INFO L255 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:50:39,071 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:50:40,372 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-08 22:50:40,377 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49b6e744-1d96-49c1-b74c-7db2107b721a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (36)] Ended with exit code 0 [2024-11-08 22:50:44,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:50:44,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 165 states and 257 transitions. [2024-11-08 22:50:44,484 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 257 transitions. [2024-11-08 22:50:44,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-08 22:50:44,485 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:50:44,485 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:50:44,485 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49b6e744-1d96-49c1-b74c-7db2107b721a/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:50:44,489 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49b6e744-1d96-49c1-b74c-7db2107b721a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:50:44,490 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49b6e744-1d96-49c1-b74c-7db2107b721a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (37)] Waiting until timeout for monitored process [2024-11-08 22:50:45,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:50:45,017 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:50:45,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:50:45,208 INFO L255 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 22:50:45,209 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:50:51,988 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 16 proven. 88 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-11-08 22:50:51,995 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49b6e744-1d96-49c1-b74c-7db2107b721a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (37)] Forceful destruction successful, exit code 0 [2024-11-08 22:51:54,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:51:54,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 181 states and 284 transitions. [2024-11-08 22:51:54,384 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 284 transitions. [2024-11-08 22:51:54,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-08 22:51:54,385 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:51:54,385 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:51:54,385 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49b6e744-1d96-49c1-b74c-7db2107b721a/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:51:54,387 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49b6e744-1d96-49c1-b74c-7db2107b721a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:51:54,389 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49b6e744-1d96-49c1-b74c-7db2107b721a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (38)] Waiting until timeout for monitored process [2024-11-08 22:51:54,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:51:54,865 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:51:55,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:51:55,103 INFO L255 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 22:51:55,104 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:51:56,266 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 16 proven. 88 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-11-08 22:51:56,271 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49b6e744-1d96-49c1-b74c-7db2107b721a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (38)] Forceful destruction successful, exit code 0 [2024-11-08 22:52:03,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:52:03,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 183 states and 285 transitions. [2024-11-08 22:52:03,518 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 285 transitions. [2024-11-08 22:52:03,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 22:52:03,519 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:52:03,519 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:52:03,519 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49b6e744-1d96-49c1-b74c-7db2107b721a/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:52:03,520 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49b6e744-1d96-49c1-b74c-7db2107b721a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:52:03,547 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49b6e744-1d96-49c1-b74c-7db2107b721a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (39)] Waiting until timeout for monitored process [2024-11-08 22:52:03,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:03,980 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:52:04,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:04,118 INFO L255 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:52:04,119 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:52:05,330 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 57 proven. 55 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2024-11-08 22:52:05,336 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49b6e744-1d96-49c1-b74c-7db2107b721a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (39)] Ended with exit code 0 [2024-11-08 22:52:08,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:52:08,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 184 states and 286 transitions. [2024-11-08 22:52:08,841 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 286 transitions. [2024-11-08 22:52:08,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 22:52:08,841 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:52:08,842 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:52:08,842 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49b6e744-1d96-49c1-b74c-7db2107b721a/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:52:08,845 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49b6e744-1d96-49c1-b74c-7db2107b721a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:52:08,849 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49b6e744-1d96-49c1-b74c-7db2107b721a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (40)] Waiting until timeout for monitored process [2024-11-08 22:52:09,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:09,380 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:52:09,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:09,534 INFO L255 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:52:09,535 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:52:11,080 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 3 proven. 33 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2024-11-08 22:52:11,088 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49b6e744-1d96-49c1-b74c-7db2107b721a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (40)] Forceful destruction successful, exit code 0 [2024-11-08 22:52:19,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:52:19,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 186 states and 289 transitions. [2024-11-08 22:52:19,547 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 289 transitions. [2024-11-08 22:52:19,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 22:52:19,547 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:52:19,547 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:52:19,548 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49b6e744-1d96-49c1-b74c-7db2107b721a/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:52:19,551 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49b6e744-1d96-49c1-b74c-7db2107b721a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:52:19,554 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49b6e744-1d96-49c1-b74c-7db2107b721a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (41)] Waiting until timeout for monitored process [2024-11-08 22:52:20,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:20,060 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:52:20,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:20,239 INFO L255 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:52:20,240 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:52:21,723 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 3 proven. 33 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2024-11-08 22:52:21,730 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49b6e744-1d96-49c1-b74c-7db2107b721a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (41)] Forceful destruction successful, exit code 0 [2024-11-08 22:52:25,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:52:25,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 187 states and 290 transitions. [2024-11-08 22:52:25,694 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 290 transitions. [2024-11-08 22:52:25,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-11-08 22:52:25,695 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:52:25,695 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:52:25,695 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49b6e744-1d96-49c1-b74c-7db2107b721a/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:52:25,698 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49b6e744-1d96-49c1-b74c-7db2107b721a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:52:25,700 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49b6e744-1d96-49c1-b74c-7db2107b721a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (42)] Waiting until timeout for monitored process [2024-11-08 22:52:26,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:26,174 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:52:26,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:26,321 INFO L255 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:52:26,323 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:52:27,687 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 41 proven. 55 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2024-11-08 22:52:27,693 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49b6e744-1d96-49c1-b74c-7db2107b721a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (42)] Forceful destruction successful, exit code 0 [2024-11-08 22:52:55,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:52:55,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 193 states and 302 transitions. [2024-11-08 22:52:55,170 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 302 transitions. [2024-11-08 22:52:55,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-11-08 22:52:55,170 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:52:55,171 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:52:55,171 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49b6e744-1d96-49c1-b74c-7db2107b721a/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:52:55,173 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49b6e744-1d96-49c1-b74c-7db2107b721a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:52:55,175 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49b6e744-1d96-49c1-b74c-7db2107b721a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (43)] Waiting until timeout for monitored process [2024-11-08 22:52:55,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:55,689 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:52:55,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:55,889 INFO L255 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-08 22:52:55,891 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:53:00,230 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 3 proven. 113 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-08 22:53:00,237 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49b6e744-1d96-49c1-b74c-7db2107b721a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (43)] Forceful destruction successful, exit code 0 [2024-11-08 22:53:44,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:53:44,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 203 states and 321 transitions. [2024-11-08 22:53:44,554 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 321 transitions. [2024-11-08 22:53:44,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-11-08 22:53:44,554 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:53:44,554 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:53:44,555 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49b6e744-1d96-49c1-b74c-7db2107b721a/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:53:44,557 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49b6e744-1d96-49c1-b74c-7db2107b721a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:53:44,559 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49b6e744-1d96-49c1-b74c-7db2107b721a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (44)] Waiting until timeout for monitored process [2024-11-08 22:53:45,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:45,159 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:53:45,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:45,337 INFO L255 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:53:45,339 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:53:46,917 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 41 proven. 55 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2024-11-08 22:53:46,929 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49b6e744-1d96-49c1-b74c-7db2107b721a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (44)] Ended with exit code 0