./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/list-ext-properties/test-0232_1-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5350d81f-cdac-4de4-94d6-1e09d0ffe9ca/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5350d81f-cdac-4de4-94d6-1e09d0ffe9ca/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5350d81f-cdac-4de4-94d6-1e09d0ffe9ca/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5350d81f-cdac-4de4-94d6-1e09d0ffe9ca/bin/ukojak-verify-EEHR8qb7sm/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/list-ext-properties/test-0232_1-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5350d81f-cdac-4de4-94d6-1e09d0ffe9ca/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5350d81f-cdac-4de4-94d6-1e09d0ffe9ca/bin/ukojak-verify-EEHR8qb7sm --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b36390e4ace21fb538f0c1df6f562bcf2825b5901fb45d9987e6242615034592 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:25:28,014 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:25:28,100 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5350d81f-cdac-4de4-94d6-1e09d0ffe9ca/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2024-11-13 22:25:28,107 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 22:25:28,108 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 22:25:28,151 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:25:28,152 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:25:28,152 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:25:28,152 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:25:28,152 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 22:25:28,153 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 22:25:28,153 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 22:25:28,153 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:25:28,153 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-13 22:25:28,153 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-13 22:25:28,153 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-13 22:25:28,153 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:25:28,153 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:25:28,153 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 22:25:28,154 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 22:25:28,154 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:25:28,154 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:25:28,154 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:25:28,154 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:25:28,154 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:25:28,154 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:25:28,154 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:25:28,155 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:25:28,155 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 22:25:28,155 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 22:25:28,155 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_5350d81f-cdac-4de4-94d6-1e09d0ffe9ca/bin/ukojak-verify-EEHR8qb7sm 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 valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) 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 -> b36390e4ace21fb538f0c1df6f562bcf2825b5901fb45d9987e6242615034592 [2024-11-13 22:25:28,475 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:25:28,487 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:25:28,491 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:25:28,494 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:25:28,494 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:25:28,496 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5350d81f-cdac-4de4-94d6-1e09d0ffe9ca/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/list-ext-properties/test-0232_1-1.i Unable to find full path for "g++" [2024-11-13 22:25:30,518 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:25:30,820 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:25:30,821 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5350d81f-cdac-4de4-94d6-1e09d0ffe9ca/sv-benchmarks/c/list-ext-properties/test-0232_1-1.i [2024-11-13 22:25:30,845 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5350d81f-cdac-4de4-94d6-1e09d0ffe9ca/bin/ukojak-verify-EEHR8qb7sm/data/4c0e075b7/af927f26012f4c698bf0c7a1579bb80a/FLAG9a9876ace [2024-11-13 22:25:30,860 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5350d81f-cdac-4de4-94d6-1e09d0ffe9ca/bin/ukojak-verify-EEHR8qb7sm/data/4c0e075b7/af927f26012f4c698bf0c7a1579bb80a [2024-11-13 22:25:30,862 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:25:30,864 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:25:30,866 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:25:30,866 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:25:30,871 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:25:30,872 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:25:30" (1/1) ... [2024-11-13 22:25:30,873 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28aa5ac6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:25:30, skipping insertion in model container [2024-11-13 22:25:30,873 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:25:30" (1/1) ... [2024-11-13 22:25:30,901 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:25:31,223 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:25:31,234 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:25:31,283 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:25:31,318 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:25:31,318 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:25:31 WrapperNode [2024-11-13 22:25:31,318 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:25:31,319 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:25:31,319 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:25:31,319 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:25:31,324 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:25:31" (1/1) ... [2024-11-13 22:25:31,336 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:25:31" (1/1) ... [2024-11-13 22:25:31,361 INFO L138 Inliner]: procedures = 126, calls = 33, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 98 [2024-11-13 22:25:31,362 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:25:31,362 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:25:31,363 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:25:31,363 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:25:31,372 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:25:31" (1/1) ... [2024-11-13 22:25:31,372 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:25:31" (1/1) ... [2024-11-13 22:25:31,376 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:25:31" (1/1) ... [2024-11-13 22:25:31,376 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:25:31" (1/1) ... [2024-11-13 22:25:31,385 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:25:31" (1/1) ... [2024-11-13 22:25:31,389 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:25:31" (1/1) ... [2024-11-13 22:25:31,390 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:25:31" (1/1) ... [2024-11-13 22:25:31,391 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:25:31" (1/1) ... [2024-11-13 22:25:31,393 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:25:31,395 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:25:31,395 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:25:31,395 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:25:31,396 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:25:31" (1/1) ... [2024-11-13 22:25:31,403 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:25:31,424 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5350d81f-cdac-4de4-94d6-1e09d0ffe9ca/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:25:31,440 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5350d81f-cdac-4de4-94d6-1e09d0ffe9ca/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:25:31,448 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5350d81f-cdac-4de4-94d6-1e09d0ffe9ca/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:25:31,478 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-13 22:25:31,478 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:25:31,479 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 22:25:31,479 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-13 22:25:31,479 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-13 22:25:31,479 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 22:25:31,479 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-13 22:25:31,479 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 22:25:31,479 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:25:31,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:25:31,619 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:25:31,621 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:25:31,959 INFO L? ?]: Removed 98 outVars from TransFormulas that were not future-live. [2024-11-13 22:25:31,959 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:25:32,037 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:25:32,038 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-13 22:25:32,038 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:25:32 BoogieIcfgContainer [2024-11-13 22:25:32,038 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:25:32,039 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:25:32,039 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:25:32,051 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:25:32,051 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:25:32" (1/1) ... [2024-11-13 22:25:32,063 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:25:32,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:25:32,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 79 states and 84 transitions. [2024-11-13 22:25:32,119 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 84 transitions. [2024-11-13 22:25:32,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-13 22:25:32,122 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:25:32,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:25:32,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:25:32,526 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:25:32,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:25:32,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 81 states and 87 transitions. [2024-11-13 22:25:32,581 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 87 transitions. [2024-11-13 22:25:32,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-13 22:25:32,581 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:25:32,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:25:32,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:25:32,850 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:25:33,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:25:33,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 83 states and 91 transitions. [2024-11-13 22:25:33,049 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 91 transitions. [2024-11-13 22:25:33,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 22:25:33,049 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:25:33,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:25:33,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:25:33,144 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:25:33,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:25:33,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 84 states and 93 transitions. [2024-11-13 22:25:33,314 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 93 transitions. [2024-11-13 22:25:33,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 22:25:33,314 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:25:33,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:25:33,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:25:33,406 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:25:33,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:25:33,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 85 states and 95 transitions. [2024-11-13 22:25:33,778 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 95 transitions. [2024-11-13 22:25:33,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-13 22:25:33,778 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:25:33,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:25:33,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:25:33,910 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:25:33,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:25:33,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 86 states and 98 transitions. [2024-11-13 22:25:33,998 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 98 transitions. [2024-11-13 22:25:33,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-13 22:25:33,998 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:25:34,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:25:34,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:25:34,043 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:25:34,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:25:34,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 86 states and 97 transitions. [2024-11-13 22:25:34,185 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 97 transitions. [2024-11-13 22:25:34,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 22:25:34,185 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:25:34,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:25:34,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:25:34,692 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:25:35,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:25:35,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 91 states and 106 transitions. [2024-11-13 22:25:35,868 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 106 transitions. [2024-11-13 22:25:35,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 22:25:35,868 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:25:35,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:25:35,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:25:36,157 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:25:36,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:25:36,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 94 states and 113 transitions. [2024-11-13 22:25:36,823 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 113 transitions. [2024-11-13 22:25:36,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 22:25:36,823 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:25:36,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:25:36,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:25:36,889 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:25:37,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:25:37,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 95 states and 115 transitions. [2024-11-13 22:25:37,012 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 115 transitions. [2024-11-13 22:25:37,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 22:25:37,013 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:25:37,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:25:37,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:25:37,090 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:25:38,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:25:38,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 99 states and 124 transitions. [2024-11-13 22:25:38,081 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 124 transitions. [2024-11-13 22:25:38,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 22:25:38,082 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:25:38,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:25:38,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:25:38,321 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:25:39,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:25:39,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 104 states and 134 transitions. [2024-11-13 22:25:39,803 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 134 transitions. [2024-11-13 22:25:39,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-13 22:25:39,806 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:25:39,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:25:39,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:25:40,046 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:25:42,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:25:42,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 109 states and 146 transitions. [2024-11-13 22:25:42,185 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 146 transitions. [2024-11-13 22:25:42,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-13 22:25:42,185 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:25:42,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:25:42,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:25:42,523 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:25:45,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:25:45,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 114 states and 158 transitions. [2024-11-13 22:25:45,001 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 158 transitions. [2024-11-13 22:25:45,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 22:25:45,001 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:25:45,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:25:45,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:25:45,063 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:25:45,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:25:45,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 117 states and 164 transitions. [2024-11-13 22:25:45,084 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 164 transitions. [2024-11-13 22:25:45,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 22:25:45,085 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:25:45,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:25:45,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:25:45,411 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:25:45,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:25:45,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 120 states and 170 transitions. [2024-11-13 22:25:45,608 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 170 transitions. [2024-11-13 22:25:45,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 22:25:45,608 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:25:45,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:25:45,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:25:45,753 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:25:46,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:25:46,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 120 states and 169 transitions. [2024-11-13 22:25:46,175 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 169 transitions. [2024-11-13 22:25:46,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 22:25:46,176 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:25:46,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:25:46,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:25:46,317 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:25:46,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:25:46,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 121 states and 171 transitions. [2024-11-13 22:25:46,340 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 171 transitions. [2024-11-13 22:25:46,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 22:25:46,341 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:25:46,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:25:46,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:25:46,502 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:25:49,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:25:49,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 130 states and 191 transitions. [2024-11-13 22:25:49,710 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 191 transitions. [2024-11-13 22:25:49,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 22:25:49,711 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:25:49,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:25:49,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:25:50,324 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:25:52,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:25:52,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 135 states and 203 transitions. [2024-11-13 22:25:52,016 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 203 transitions. [2024-11-13 22:25:52,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 22:25:52,016 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:25:52,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:25:52,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:25:52,748 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:25:55,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:25:55,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 141 states and 216 transitions. [2024-11-13 22:25:55,016 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 216 transitions. [2024-11-13 22:25:55,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-13 22:25:55,017 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:25:55,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:25:55,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:25:55,052 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:25:55,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:25:55,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 142 states and 218 transitions. [2024-11-13 22:25:55,635 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 218 transitions. [2024-11-13 22:25:55,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-13 22:25:55,635 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:25:55,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:25:55,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:25:55,690 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:25:56,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:25:56,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 144 states and 221 transitions. [2024-11-13 22:25:56,190 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 221 transitions. [2024-11-13 22:25:56,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-13 22:25:56,191 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:25:56,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:25:56,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:25:56,561 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:25:57,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:25:57,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 146 states and 224 transitions. [2024-11-13 22:25:57,825 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 224 transitions. [2024-11-13 22:25:57,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-13 22:25:57,825 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:25:57,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:25:57,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:25:57,859 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-13 22:25:58,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:25:58,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 145 states and 223 transitions. [2024-11-13 22:25:58,323 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 223 transitions. [2024-11-13 22:25:58,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-13 22:25:58,323 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:25:58,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:25:58,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:25:58,366 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 22:25:59,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:25:59,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 147 states and 225 transitions. [2024-11-13 22:25:59,044 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 225 transitions. [2024-11-13 22:25:59,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-13 22:25:59,045 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:25:59,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:25:59,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:25:59,681 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:26:06,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:26:06,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 159 states and 247 transitions. [2024-11-13 22:26:06,875 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 247 transitions. [2024-11-13 22:26:06,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-13 22:26:06,875 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:26:06,875 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:26:06,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:26:07,829 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:26:12,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:26:12,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 166 states and 260 transitions. [2024-11-13 22:26:12,766 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 260 transitions. [2024-11-13 22:26:12,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-13 22:26:12,766 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:26:12,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:26:12,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:26:14,377 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:26:21,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:26:21,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 173 states and 281 transitions. [2024-11-13 22:26:21,556 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 281 transitions. [2024-11-13 22:26:21,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-13 22:26:21,557 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:26:21,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:26:21,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:26:22,043 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:26:25,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:26:25,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 177 states and 287 transitions. [2024-11-13 22:26:25,758 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 287 transitions. [2024-11-13 22:26:25,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-13 22:26:25,758 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:26:25,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:26:25,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:26:25,834 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 22:26:29,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:26:29,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 181 states and 298 transitions. [2024-11-13 22:26:29,351 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 298 transitions. [2024-11-13 22:26:29,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-13 22:26:29,351 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:26:29,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:26:29,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:26:29,381 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-13 22:26:30,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:26:30,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 181 states and 297 transitions. [2024-11-13 22:26:30,232 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 297 transitions. [2024-11-13 22:26:30,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-13 22:26:30,233 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:26:30,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:26:30,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:26:31,269 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:26:44,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:26:44,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 197 states and 327 transitions. [2024-11-13 22:26:44,124 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 327 transitions. [2024-11-13 22:26:44,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-13 22:26:44,124 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:26:44,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:26:44,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:26:44,168 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:26:46,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:26:46,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 201 states and 333 transitions. [2024-11-13 22:26:46,894 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 333 transitions. [2024-11-13 22:26:46,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-13 22:26:46,894 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:26:46,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:26:46,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:26:46,956 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 22:26:52,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:26:52,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 206 states and 338 transitions. [2024-11-13 22:26:52,056 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 338 transitions. [2024-11-13 22:26:52,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-13 22:26:52,057 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:26:52,057 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:26:52,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:26:52,091 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 22:26:57,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:26:57,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 206 states and 337 transitions. [2024-11-13 22:26:57,252 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 337 transitions. [2024-11-13 22:26:57,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-13 22:26:57,252 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:26:57,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:26:57,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:26:57,279 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:26:58,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:26:58,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 205 states and 336 transitions. [2024-11-13 22:26:58,044 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 336 transitions. [2024-11-13 22:26:58,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-13 22:26:58,045 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:26:58,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:26:58,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:26:58,069 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:26:58,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:26:58,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:26:58,221 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:26:58,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:26:58,315 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 37 iterations. [2024-11-13 22:26:58,367 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 10:26:58 ImpRootNode [2024-11-13 22:26:58,368 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 22:26:58,369 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 22:26:58,369 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 22:26:58,369 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 22:26:58,370 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:25:32" (3/4) ... [2024-11-13 22:26:58,372 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 22:26:58,373 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 22:26:58,375 INFO L158 Benchmark]: Toolchain (without parser) took 87510.30ms. Allocated memory was 117.4MB in the beginning and 578.8MB in the end (delta: 461.4MB). Free memory was 90.5MB in the beginning and 370.8MB in the end (delta: -280.3MB). Peak memory consumption was 181.0MB. Max. memory is 16.1GB. [2024-11-13 22:26:58,377 INFO L158 Benchmark]: CDTParser took 0.41ms. Allocated memory is still 83.9MB. Free memory is still 40.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:26:58,377 INFO L158 Benchmark]: CACSL2BoogieTranslator took 453.07ms. Allocated memory is still 117.4MB. Free memory was 90.5MB in the beginning and 72.8MB in the end (delta: 17.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:26:58,378 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.78ms. Allocated memory is still 117.4MB. Free memory was 72.8MB in the beginning and 71.1MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:26:58,378 INFO L158 Benchmark]: Boogie Preprocessor took 31.03ms. Allocated memory is still 117.4MB. Free memory was 71.1MB in the beginning and 70.0MB in the end (delta: 1.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:26:58,378 INFO L158 Benchmark]: RCFGBuilder took 643.88ms. Allocated memory is still 117.4MB. Free memory was 70.0MB in the beginning and 47.3MB in the end (delta: 22.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 22:26:58,380 INFO L158 Benchmark]: CodeCheck took 86329.15ms. Allocated memory was 117.4MB in the beginning and 578.8MB in the end (delta: 461.4MB). Free memory was 47.3MB in the beginning and 370.8MB in the end (delta: -323.6MB). Peak memory consumption was 147.4MB. Max. memory is 16.1GB. [2024-11-13 22:26:58,380 INFO L158 Benchmark]: Witness Printer took 4.62ms. Allocated memory is still 578.8MB. Free memory was 370.8MB in the beginning and 370.8MB in the end (delta: 76.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:26:58,383 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 79 locations, 44 error locations. Started 1 CEGAR loops. OverallTime: 86.2s, OverallIterations: 37, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3627 SdHoareTripleChecker+Valid, 24.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2888 mSDsluCounter, 2079 SdHoareTripleChecker+Invalid, 22.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1477 mSDsCounter, 2938 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 13338 IncrementalHoareTripleChecker+Invalid, 16276 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2938 mSolverCounterUnsat, 602 mSDtfsCounter, 13338 mSolverCounterSat, 0.4s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3911 GetRequests, 3303 SyntacticMatches, 62 SemanticMatches, 546 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 130752 ImplicationChecksByTransitivity, 79.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 9.8s InterpolantComputationTime, 453 NumberOfCodeBlocks, 453 NumberOfCodeBlocksAsserted, 37 NumberOfCheckSat, 397 ConstructedInterpolants, 0 QuantifiedInterpolants, 2197 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 36 InterpolantComputations, 31 PerfectInterpolantSequences, 34/50 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 539]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 539. Possible FailurePath: [L524] int c = 0; [L541] struct item *list = ((void *)0); [L542] int length = 0; VAL [c=0, length=0, list={27138:0}] [L544] CALL append(&list) [L531] c++ [L532] struct item *item = malloc(sizeof *item); [L533] EXPR \read(**plist) VAL [c=1, item={-2:0}, plist={27138:0}] [L533] item->next = *plist [L534] EXPR item->next VAL [c=1, item={-2:0}, plist={27138:0}] [L534-L536] EXPR (item->next) ? item->next->data : malloc(sizeof *item) [L534-L536] EXPR (item->next) ? item->next->data : malloc(sizeof *item) VAL [c=1, item={-2:0}, plist={27138:0}] [L534-L536] item->data = (item->next) ? item->next->data : malloc(sizeof *item) [L537] *plist = item [L544] RET append(&list) [L545] length++ [L546] COND FALSE !(__VERIFIER_nondet_int() && c < 20) [L547] COND TRUE length > 0 VAL [c=1, length=1, list={27138:0}] [L548] COND FALSE !(length < 0) VAL [c=1, length=1, list={27138:0}] [L551] EXPR \read(*list) VAL [c=1, length=1, list={27138:0}] [L551] EXPR list->next [L551] struct item *next = list->next; [L552] EXPR \read(*list) VAL [c=1, length=1, list={27138:0}, next={0:0}] [L552] free(list) VAL [c=1, length=1, list={27138:0}, next={0:0}] [L552] free(list) VAL [c=1, length=1, list={27138:0}, next={0:0}] [L552] free(list) [L553] list = next [L554] length-- [L556] COND FALSE !(length > 0) [L562] return 0; [L541] struct item *list = ((void *)0); [L562] return 0; VAL [\result=0, c=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41ms. Allocated memory is still 83.9MB. Free memory is still 40.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 453.07ms. Allocated memory is still 117.4MB. Free memory was 90.5MB in the beginning and 72.8MB in the end (delta: 17.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.78ms. Allocated memory is still 117.4MB. Free memory was 72.8MB in the beginning and 71.1MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 31.03ms. Allocated memory is still 117.4MB. Free memory was 71.1MB in the beginning and 70.0MB in the end (delta: 1.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 643.88ms. Allocated memory is still 117.4MB. Free memory was 70.0MB in the beginning and 47.3MB in the end (delta: 22.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 86329.15ms. Allocated memory was 117.4MB in the beginning and 578.8MB in the end (delta: 461.4MB). Free memory was 47.3MB in the beginning and 370.8MB in the end (delta: -323.6MB). Peak memory consumption was 147.4MB. Max. memory is 16.1GB. * Witness Printer took 4.62ms. Allocated memory is still 578.8MB. Free memory was 370.8MB in the beginning and 370.8MB in the end (delta: 76.4kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 22:26:58,420 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5350d81f-cdac-4de4-94d6-1e09d0ffe9ca/bin/ukojak-verify-EEHR8qb7sm/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/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5350d81f-cdac-4de4-94d6-1e09d0ffe9ca/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5350d81f-cdac-4de4-94d6-1e09d0ffe9ca/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5350d81f-cdac-4de4-94d6-1e09d0ffe9ca/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5350d81f-cdac-4de4-94d6-1e09d0ffe9ca/bin/ukojak-verify-EEHR8qb7sm/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/list-ext-properties/test-0232_1-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5350d81f-cdac-4de4-94d6-1e09d0ffe9ca/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5350d81f-cdac-4de4-94d6-1e09d0ffe9ca/bin/ukojak-verify-EEHR8qb7sm --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b36390e4ace21fb538f0c1df6f562bcf2825b5901fb45d9987e6242615034592 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:27:01,042 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:27:01,149 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5350d81f-cdac-4de4-94d6-1e09d0ffe9ca/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf [2024-11-13 22:27:01,196 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:27:01,197 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:27:01,198 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:27:01,198 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:27:01,198 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 22:27:01,198 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 22:27:01,198 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 22:27:01,202 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:27:01,202 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-13 22:27:01,202 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-13 22:27:01,202 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-13 22:27:01,202 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:27:01,202 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 22:27:01,203 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 22:27:01,203 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:27:01,203 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 22:27:01,203 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 22:27:01,203 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 22:27:01,203 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:27:01,203 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:27:01,203 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:27:01,203 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:27:01,203 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 22:27:01,203 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 22:27:01,204 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:27:01,204 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:27:01,204 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:27:01,204 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:27:01,204 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 22:27:01,204 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 22:27:01,204 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 22:27:01,204 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_5350d81f-cdac-4de4-94d6-1e09d0ffe9ca/bin/ukojak-verify-EEHR8qb7sm 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 valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) 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 -> b36390e4ace21fb538f0c1df6f562bcf2825b5901fb45d9987e6242615034592 [2024-11-13 22:27:01,545 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:27:01,553 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:27:01,555 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:27:01,557 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:27:01,557 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:27:01,559 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5350d81f-cdac-4de4-94d6-1e09d0ffe9ca/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/list-ext-properties/test-0232_1-1.i Unable to find full path for "g++" [2024-11-13 22:27:03,609 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:27:03,905 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:27:03,905 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5350d81f-cdac-4de4-94d6-1e09d0ffe9ca/sv-benchmarks/c/list-ext-properties/test-0232_1-1.i [2024-11-13 22:27:03,924 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5350d81f-cdac-4de4-94d6-1e09d0ffe9ca/bin/ukojak-verify-EEHR8qb7sm/data/d106f052d/5d7f48c317194bd09c56d6afd411794d/FLAG10b4e6025 [2024-11-13 22:27:03,949 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5350d81f-cdac-4de4-94d6-1e09d0ffe9ca/bin/ukojak-verify-EEHR8qb7sm/data/d106f052d/5d7f48c317194bd09c56d6afd411794d [2024-11-13 22:27:03,955 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:27:03,956 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:27:03,958 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:27:03,958 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:27:03,966 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:27:03,968 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:27:03" (1/1) ... [2024-11-13 22:27:03,971 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21ebde4a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:27:03, skipping insertion in model container [2024-11-13 22:27:03,971 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:27:03" (1/1) ... [2024-11-13 22:27:04,011 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:27:04,400 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:27:04,419 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:27:04,461 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:27:04,496 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:27:04,497 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:27:04 WrapperNode [2024-11-13 22:27:04,497 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:27:04,498 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:27:04,498 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:27:04,499 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:27:04,506 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:27:04" (1/1) ... [2024-11-13 22:27:04,526 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:27:04" (1/1) ... [2024-11-13 22:27:04,545 INFO L138 Inliner]: procedures = 127, calls = 33, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 98 [2024-11-13 22:27:04,545 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:27:04,546 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:27:04,546 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:27:04,546 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:27:04,553 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:27:04" (1/1) ... [2024-11-13 22:27:04,554 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:27:04" (1/1) ... [2024-11-13 22:27:04,557 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:27:04" (1/1) ... [2024-11-13 22:27:04,557 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:27:04" (1/1) ... [2024-11-13 22:27:04,566 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:27:04" (1/1) ... [2024-11-13 22:27:04,573 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:27:04" (1/1) ... [2024-11-13 22:27:04,575 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:27:04" (1/1) ... [2024-11-13 22:27:04,576 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:27:04" (1/1) ... [2024-11-13 22:27:04,583 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:27:04,587 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:27:04,588 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:27:04,588 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:27:04,589 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:27:04" (1/1) ... [2024-11-13 22:27:04,597 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:27:04,614 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5350d81f-cdac-4de4-94d6-1e09d0ffe9ca/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:27:04,629 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5350d81f-cdac-4de4-94d6-1e09d0ffe9ca/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:27:04,634 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5350d81f-cdac-4de4-94d6-1e09d0ffe9ca/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:27:04,665 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-13 22:27:04,665 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:27:04,665 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 22:27:04,666 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-13 22:27:04,666 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-13 22:27:04,666 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 22:27:04,666 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-13 22:27:04,666 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 22:27:04,666 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:27:04,666 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:27:04,828 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:27:04,830 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:27:05,400 INFO L? ?]: Removed 98 outVars from TransFormulas that were not future-live. [2024-11-13 22:27:05,401 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:27:05,473 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:27:05,473 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-13 22:27:05,473 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:27:05 BoogieIcfgContainer [2024-11-13 22:27:05,474 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:27:05,474 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:27:05,475 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:27:05,485 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:27:05,485 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:27:05" (1/1) ... [2024-11-13 22:27:05,494 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:27:05,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:27:05,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 79 states and 84 transitions. [2024-11-13 22:27:05,543 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 84 transitions. [2024-11-13 22:27:05,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-13 22:27:05,545 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:27:05,546 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:27:05,546 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5350d81f-cdac-4de4-94d6-1e09d0ffe9ca/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:27:05,549 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5350d81f-cdac-4de4-94d6-1e09d0ffe9ca/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:27:05,550 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5350d81f-cdac-4de4-94d6-1e09d0ffe9ca/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 22:27:05,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:27:05,720 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:27:05,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:27:05,761 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 22:27:05,766 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:27:05,818 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 6 treesize of output 7 [2024-11-13 22:27:05,903 INFO L349 Elim1Store]: treesize reduction 24, result has 33.3 percent of original size [2024-11-13 22:27:05,907 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 21 treesize of output 20 [2024-11-13 22:27:05,936 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:27:05,940 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5350d81f-cdac-4de4-94d6-1e09d0ffe9ca/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2024-11-13 22:27:05,941 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5350d81f-cdac-4de4-94d6-1e09d0ffe9ca/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 22:27:06,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:27:06,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 81 states and 87 transitions. [2024-11-13 22:27:06,015 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 87 transitions. [2024-11-13 22:27:06,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-13 22:27:06,016 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:27:06,016 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:27:06,016 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5350d81f-cdac-4de4-94d6-1e09d0ffe9ca/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:27:06,018 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5350d81f-cdac-4de4-94d6-1e09d0ffe9ca/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:27:06,023 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5350d81f-cdac-4de4-94d6-1e09d0ffe9ca/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-13 22:27:06,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:27:06,157 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:27:06,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:27:06,183 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 22:27:06,186 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:27:06,208 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 6 treesize of output 7 [2024-11-13 22:27:06,221 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 6 treesize of output 5 [2024-11-13 22:27:06,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 22:27:06,326 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 14 treesize of output 9 [2024-11-13 22:27:06,345 INFO L349 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2024-11-13 22:27:06,345 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 13 [2024-11-13 22:27:06,374 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:27:06,376 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5350d81f-cdac-4de4-94d6-1e09d0ffe9ca/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Exception during sending of exit command (exit): Broken pipe [2024-11-13 22:27:06,377 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5350d81f-cdac-4de4-94d6-1e09d0ffe9ca/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2024-11-13 22:27:06,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:27:06,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 83 states and 90 transitions. [2024-11-13 22:27:06,714 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 90 transitions. [2024-11-13 22:27:06,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 22:27:06,714 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:27:06,714 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:27:06,714 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5350d81f-cdac-4de4-94d6-1e09d0ffe9ca/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:27:06,720 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5350d81f-cdac-4de4-94d6-1e09d0ffe9ca/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:27:06,721 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5350d81f-cdac-4de4-94d6-1e09d0ffe9ca/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-13 22:27:06,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:27:06,834 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:27:06,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:27:06,864 INFO L255 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 22:27:06,865 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:27:06,874 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 6 treesize of output 7 [2024-11-13 22:27:06,910 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:27:06,913 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5350d81f-cdac-4de4-94d6-1e09d0ffe9ca/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2024-11-13 22:27:07,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:27:07,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 84 states and 92 transitions. [2024-11-13 22:27:07,153 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 92 transitions. [2024-11-13 22:27:07,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 22:27:07,153 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:27:07,153 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:27:07,153 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5350d81f-cdac-4de4-94d6-1e09d0ffe9ca/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:27:07,158 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5350d81f-cdac-4de4-94d6-1e09d0ffe9ca/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:27:07,159 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5350d81f-cdac-4de4-94d6-1e09d0ffe9ca/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-13 22:27:07,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:27:07,278 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:27:07,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:27:07,306 INFO L255 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 22:27:07,308 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:27:07,321 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 6 treesize of output 5 [2024-11-13 22:27:07,382 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:27:07,386 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5350d81f-cdac-4de4-94d6-1e09d0ffe9ca/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-11-13 22:27:07,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:27:07,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 85 states and 94 transitions. [2024-11-13 22:27:07,873 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 94 transitions. [2024-11-13 22:27:07,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-13 22:27:07,873 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:27:07,873 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:27:07,873 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5350d81f-cdac-4de4-94d6-1e09d0ffe9ca/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:27:07,875 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5350d81f-cdac-4de4-94d6-1e09d0ffe9ca/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:27:07,879 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5350d81f-cdac-4de4-94d6-1e09d0ffe9ca/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-13 22:27:07,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:27:07,971 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:27:07,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:27:07,999 INFO L255 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 22:27:08,000 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:27:08,128 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:27:08,130 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5350d81f-cdac-4de4-94d6-1e09d0ffe9ca/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (6)] Exception during sending of exit command (exit): Broken pipe [2024-11-13 22:27:08,131 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5350d81f-cdac-4de4-94d6-1e09d0ffe9ca/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-11-13 22:27:08,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:27:08,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 84 states and 93 transitions. [2024-11-13 22:27:08,265 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 93 transitions. [2024-11-13 22:27:08,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-13 22:27:08,266 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:27:08,266 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:27:08,266 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5350d81f-cdac-4de4-94d6-1e09d0ffe9ca/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:27:08,268 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5350d81f-cdac-4de4-94d6-1e09d0ffe9ca/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:27:08,269 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5350d81f-cdac-4de4-94d6-1e09d0ffe9ca/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-13 22:27:08,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:27:08,365 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:27:08,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:27:08,400 INFO L255 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 22:27:08,401 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:27:08,407 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:27:08,409 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5350d81f-cdac-4de4-94d6-1e09d0ffe9ca/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (7)] Exception during sending of exit command (exit): Broken pipe [2024-11-13 22:27:08,410 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5350d81f-cdac-4de4-94d6-1e09d0ffe9ca/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-11-13 22:27:08,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:27:08,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 83 states and 92 transitions. [2024-11-13 22:27:08,732 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 92 transitions. [2024-11-13 22:27:08,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 22:27:08,732 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:27:08,732 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:27:08,732 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5350d81f-cdac-4de4-94d6-1e09d0ffe9ca/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:27:08,737 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5350d81f-cdac-4de4-94d6-1e09d0ffe9ca/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:27:08,741 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5350d81f-cdac-4de4-94d6-1e09d0ffe9ca/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-11-13 22:27:08,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:27:08,849 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:27:08,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:27:08,881 INFO L255 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 22:27:08,882 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:27:08,895 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:27:08,899 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5350d81f-cdac-4de4-94d6-1e09d0ffe9ca/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-11-13 22:27:08,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:27:08,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 82 states and 91 transitions. [2024-11-13 22:27:08,934 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 91 transitions. [2024-11-13 22:27:08,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 22:27:08,935 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:27:08,935 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:27:08,935 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5350d81f-cdac-4de4-94d6-1e09d0ffe9ca/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:27:08,941 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5350d81f-cdac-4de4-94d6-1e09d0ffe9ca/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:27:08,943 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5350d81f-cdac-4de4-94d6-1e09d0ffe9ca/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-11-13 22:27:09,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:27:09,047 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:27:09,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:27:09,075 INFO L255 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 22:27:09,076 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:27:09,120 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:27:09,122 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5350d81f-cdac-4de4-94d6-1e09d0ffe9ca/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-11-13 22:27:09,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:27:09,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 81 states and 90 transitions. [2024-11-13 22:27:09,325 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 90 transitions. [2024-11-13 22:27:09,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 22:27:09,325 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:27:09,325 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:27:09,325 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5350d81f-cdac-4de4-94d6-1e09d0ffe9ca/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:27:09,328 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5350d81f-cdac-4de4-94d6-1e09d0ffe9ca/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:27:09,330 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5350d81f-cdac-4de4-94d6-1e09d0ffe9ca/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-11-13 22:27:09,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:27:09,495 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:27:09,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:27:09,536 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-13 22:27:09,537 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:27:09,560 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 6 treesize of output 5 [2024-11-13 22:27:09,639 INFO L349 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2024-11-13 22:27:09,640 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 14 [2024-11-13 22:27:09,734 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:27:09,736 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5350d81f-cdac-4de4-94d6-1e09d0ffe9ca/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (10)] Exception during sending of exit command (exit): Broken pipe [2024-11-13 22:27:09,737 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5350d81f-cdac-4de4-94d6-1e09d0ffe9ca/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2024-11-13 22:27:10,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:27:10,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 84 states and 96 transitions. [2024-11-13 22:27:10,088 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 96 transitions. [2024-11-13 22:27:10,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 22:27:10,090 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:27:10,090 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:27:10,090 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5350d81f-cdac-4de4-94d6-1e09d0ffe9ca/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:27:10,092 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5350d81f-cdac-4de4-94d6-1e09d0ffe9ca/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:27:10,095 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5350d81f-cdac-4de4-94d6-1e09d0ffe9ca/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-11-13 22:27:10,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:27:10,222 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:27:10,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:27:10,253 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 22:27:10,255 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:27:10,306 INFO L349 Elim1Store]: treesize reduction 24, result has 33.3 percent of original size [2024-11-13 22:27:10,307 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 21 treesize of output 20 [2024-11-13 22:27:10,312 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:27:10,317 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5350d81f-cdac-4de4-94d6-1e09d0ffe9ca/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2024-11-13 22:27:10,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:27:10,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 85 states and 97 transitions. [2024-11-13 22:27:10,457 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 97 transitions. [2024-11-13 22:27:10,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 22:27:10,458 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:27:10,458 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:27:10,458 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5350d81f-cdac-4de4-94d6-1e09d0ffe9ca/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:27:10,462 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5350d81f-cdac-4de4-94d6-1e09d0ffe9ca/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:27:10,464 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5350d81f-cdac-4de4-94d6-1e09d0ffe9ca/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-11-13 22:27:10,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:27:10,600 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:27:10,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:27:10,631 INFO L255 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-13 22:27:10,635 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:27:11,023 INFO L349 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2024-11-13 22:27:11,025 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 18 [2024-11-13 22:27:11,065 INFO L349 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2024-11-13 22:27:11,065 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 18 [2024-11-13 22:27:11,294 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:27:11,297 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5350d81f-cdac-4de4-94d6-1e09d0ffe9ca/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2024-11-13 22:27:23,144 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 22:27:23,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:27:23,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 90 states and 104 transitions. [2024-11-13 22:27:23,911 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 104 transitions. [2024-11-13 22:27:23,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 22:27:23,912 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:27:23,912 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:27:23,912 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5350d81f-cdac-4de4-94d6-1e09d0ffe9ca/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:27:23,914 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5350d81f-cdac-4de4-94d6-1e09d0ffe9ca/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:27:23,917 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5350d81f-cdac-4de4-94d6-1e09d0ffe9ca/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-11-13 22:27:24,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:27:24,061 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:27:24,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:27:24,090 INFO L255 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 22:27:24,091 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:27:24,156 INFO L349 Elim1Store]: treesize reduction 24, result has 33.3 percent of original size [2024-11-13 22:27:24,157 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 21 treesize of output 20 [2024-11-13 22:27:24,171 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:27:24,174 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5350d81f-cdac-4de4-94d6-1e09d0ffe9ca/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2024-11-13 22:27:35,197 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 22:27:45,390 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 22:27:46,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:27:46,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 94 states and 112 transitions. [2024-11-13 22:27:46,802 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 112 transitions. [2024-11-13 22:27:46,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 22:27:46,802 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:27:46,803 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:27:46,803 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5350d81f-cdac-4de4-94d6-1e09d0ffe9ca/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:27:46,806 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5350d81f-cdac-4de4-94d6-1e09d0ffe9ca/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:27:46,808 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5350d81f-cdac-4de4-94d6-1e09d0ffe9ca/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-11-13 22:27:46,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:27:46,970 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:27:47,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:27:47,013 INFO L255 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-13 22:27:47,015 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:27:47,032 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 6 treesize of output 7 [2024-11-13 22:27:47,050 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 6 treesize of output 5 [2024-11-13 22:27:47,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 22:27:47,089 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 14 treesize of output 9 [2024-11-13 22:27:47,114 INFO L349 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2024-11-13 22:27:47,114 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 13 [2024-11-13 22:27:47,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 22:27:47,208 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 14 treesize of output 9 [2024-11-13 22:27:47,236 INFO L349 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2024-11-13 22:27:47,236 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 13 [2024-11-13 22:27:47,255 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:27:47,258 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5350d81f-cdac-4de4-94d6-1e09d0ffe9ca/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (14)] Exception during sending of exit command (exit): Broken pipe [2024-11-13 22:27:47,259 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5350d81f-cdac-4de4-94d6-1e09d0ffe9ca/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2024-11-13 22:27:58,904 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 22:28:09,165 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 22:28:10,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:28:10,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 99 states and 120 transitions. [2024-11-13 22:28:10,549 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 120 transitions. [2024-11-13 22:28:10,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-13 22:28:10,550 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:28:10,550 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:28:10,550 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5350d81f-cdac-4de4-94d6-1e09d0ffe9ca/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:28:10,555 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5350d81f-cdac-4de4-94d6-1e09d0ffe9ca/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:28:10,557 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5350d81f-cdac-4de4-94d6-1e09d0ffe9ca/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2024-11-13 22:28:10,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:28:10,779 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:28:10,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:28:10,828 INFO L255 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-13 22:28:10,829 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:28:11,254 INFO L349 Elim1Store]: treesize reduction 24, result has 33.3 percent of original size [2024-11-13 22:28:11,254 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 21 treesize of output 20 [2024-11-13 22:28:11,259 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:28:11,262 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5350d81f-cdac-4de4-94d6-1e09d0ffe9ca/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (15)] Forceful destruction successful, exit code 0 [2024-11-13 22:28:24,096 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 22:28:34,426 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 22:28:37,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:28:37,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 104 states and 130 transitions. [2024-11-13 22:28:37,169 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 130 transitions. [2024-11-13 22:28:37,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-13 22:28:37,170 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:28:37,170 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:28:37,170 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5350d81f-cdac-4de4-94d6-1e09d0ffe9ca/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:28:37,176 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5350d81f-cdac-4de4-94d6-1e09d0ffe9ca/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:28:37,176 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5350d81f-cdac-4de4-94d6-1e09d0ffe9ca/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2024-11-13 22:28:37,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:28:37,360 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:28:37,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:28:37,403 INFO L255 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-13 22:28:37,405 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:28:38,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 22:28:38,488 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 14 treesize of output 9 [2024-11-13 22:28:38,510 INFO L349 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2024-11-13 22:28:38,510 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 13 [2024-11-13 22:28:38,809 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:28:38,813 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5350d81f-cdac-4de4-94d6-1e09d0ffe9ca/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2024-11-13 22:28:52,463 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 22:29:02,881 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 22:29:09,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:29:09,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 111 states and 147 transitions. [2024-11-13 22:29:09,463 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 147 transitions. [2024-11-13 22:29:09,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 22:29:09,463 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:29:09,463 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:29:09,463 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5350d81f-cdac-4de4-94d6-1e09d0ffe9ca/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:29:09,466 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5350d81f-cdac-4de4-94d6-1e09d0ffe9ca/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:29:09,467 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5350d81f-cdac-4de4-94d6-1e09d0ffe9ca/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2024-11-13 22:29:09,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:29:09,648 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:29:09,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:29:09,694 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 22:29:09,696 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:29:09,748 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:29:09,751 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5350d81f-cdac-4de4-94d6-1e09d0ffe9ca/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (17)] Forceful destruction successful, exit code 0 [2024-11-13 22:29:09,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:29:09,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 114 states and 153 transitions. [2024-11-13 22:29:09,799 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 153 transitions. [2024-11-13 22:29:09,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 22:29:09,800 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:29:09,800 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:29:09,800 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5350d81f-cdac-4de4-94d6-1e09d0ffe9ca/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:29:09,802 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5350d81f-cdac-4de4-94d6-1e09d0ffe9ca/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:29:09,805 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5350d81f-cdac-4de4-94d6-1e09d0ffe9ca/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2024-11-13 22:29:09,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:29:09,971 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:29:10,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:29:10,006 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 22:29:10,007 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:29:10,495 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:29:10,497 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5350d81f-cdac-4de4-94d6-1e09d0ffe9ca/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (18)] Forceful destruction successful, exit code 0 [2024-11-13 22:29:10,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:29:10,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 117 states and 159 transitions. [2024-11-13 22:29:10,897 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 159 transitions. [2024-11-13 22:29:10,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 22:29:10,897 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:29:10,897 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:29:10,898 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5350d81f-cdac-4de4-94d6-1e09d0ffe9ca/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:29:10,899 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5350d81f-cdac-4de4-94d6-1e09d0ffe9ca/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:29:10,901 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5350d81f-cdac-4de4-94d6-1e09d0ffe9ca/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2024-11-13 22:29:11,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:29:11,067 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:29:11,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:29:11,101 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 22:29:11,102 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:29:11,458 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:29:11,460 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5350d81f-cdac-4de4-94d6-1e09d0ffe9ca/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (19)] Forceful destruction successful, exit code 0 [2024-11-13 22:29:13,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:29:13,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 117 states and 158 transitions. [2024-11-13 22:29:13,253 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 158 transitions. [2024-11-13 22:29:13,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 22:29:13,253 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:29:13,254 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:29:13,254 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5350d81f-cdac-4de4-94d6-1e09d0ffe9ca/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:29:13,259 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5350d81f-cdac-4de4-94d6-1e09d0ffe9ca/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:29:13,264 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5350d81f-cdac-4de4-94d6-1e09d0ffe9ca/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2024-11-13 22:29:13,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:29:13,419 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:29:13,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:29:13,458 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 22:29:13,459 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:29:13,465 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:29:13,468 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5350d81f-cdac-4de4-94d6-1e09d0ffe9ca/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (20)] Forceful destruction successful, exit code 0 [2024-11-13 22:29:13,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:29:13,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 118 states and 160 transitions. [2024-11-13 22:29:13,539 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 160 transitions. [2024-11-13 22:29:13,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 22:29:13,539 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:29:13,539 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:29:13,540 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5350d81f-cdac-4de4-94d6-1e09d0ffe9ca/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:29:13,542 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5350d81f-cdac-4de4-94d6-1e09d0ffe9ca/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:29:13,543 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5350d81f-cdac-4de4-94d6-1e09d0ffe9ca/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2024-11-13 22:29:13,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:29:13,717 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:29:13,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:29:13,770 INFO L255 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 22:29:13,771 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:29:14,549 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:29:14,552 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5350d81f-cdac-4de4-94d6-1e09d0ffe9ca/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (21)] Forceful destruction successful, exit code 0 [2024-11-13 22:29:29,936 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 22:29:40,406 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 22:29:46,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:29:46,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 127 states and 178 transitions. [2024-11-13 22:29:46,029 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 178 transitions. [2024-11-13 22:29:46,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 22:29:46,029 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:29:46,029 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:29:46,029 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5350d81f-cdac-4de4-94d6-1e09d0ffe9ca/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:29:46,034 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5350d81f-cdac-4de4-94d6-1e09d0ffe9ca/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:29:46,034 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5350d81f-cdac-4de4-94d6-1e09d0ffe9ca/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2024-11-13 22:29:46,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:29:46,218 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:29:46,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:29:46,268 INFO L255 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 22:29:46,269 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:29:46,281 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 6 treesize of output 7 [2024-11-13 22:29:46,299 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 22:29:46,302 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5350d81f-cdac-4de4-94d6-1e09d0ffe9ca/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (22)] Ended with exit code 0 [2024-11-13 22:29:47,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:29:47,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 127 states and 177 transitions. [2024-11-13 22:29:47,273 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 177 transitions. [2024-11-13 22:29:47,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 22:29:47,273 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:29:47,273 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:29:47,273 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5350d81f-cdac-4de4-94d6-1e09d0ffe9ca/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:29:47,278 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5350d81f-cdac-4de4-94d6-1e09d0ffe9ca/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:29:47,279 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5350d81f-cdac-4de4-94d6-1e09d0ffe9ca/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2024-11-13 22:29:47,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:29:47,486 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:29:47,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:29:47,525 INFO L255 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 22:29:47,526 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:29:47,533 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 6 treesize of output 5 [2024-11-13 22:29:47,550 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 22:29:47,552 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5350d81f-cdac-4de4-94d6-1e09d0ffe9ca/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (23)] Ended with exit code 0 [2024-11-13 22:29:48,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:29:48,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 127 states and 176 transitions. [2024-11-13 22:29:48,672 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 176 transitions. [2024-11-13 22:29:48,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 22:29:48,673 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:29:48,673 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:29:48,673 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5350d81f-cdac-4de4-94d6-1e09d0ffe9ca/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:29:48,675 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5350d81f-cdac-4de4-94d6-1e09d0ffe9ca/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:29:48,676 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5350d81f-cdac-4de4-94d6-1e09d0ffe9ca/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2024-11-13 22:29:48,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:29:48,898 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:29:48,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:29:48,942 INFO L255 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 22:29:48,943 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:29:49,859 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 15 treesize of output 1 [2024-11-13 22:29:50,324 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 11 [2024-11-13 22:29:50,827 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:29:50,830 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5350d81f-cdac-4de4-94d6-1e09d0ffe9ca/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (24)] Ended with exit code 0 [2024-11-13 22:29:57,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:29:57,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 132 states and 189 transitions. [2024-11-13 22:29:57,956 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 189 transitions. [2024-11-13 22:29:57,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 22:29:57,956 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:29:57,956 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:29:57,956 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5350d81f-cdac-4de4-94d6-1e09d0ffe9ca/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:29:57,963 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5350d81f-cdac-4de4-94d6-1e09d0ffe9ca/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:29:57,965 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5350d81f-cdac-4de4-94d6-1e09d0ffe9ca/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2024-11-13 22:29:58,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:29:58,164 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:29:58,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:29:58,199 INFO L255 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-13 22:29:58,201 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:29:59,216 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 [2024-11-13 22:29:59,227 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 15 treesize of output 1 [2024-11-13 22:29:59,972 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2024-11-13 22:30:00,478 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:30:00,480 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5350d81f-cdac-4de4-94d6-1e09d0ffe9ca/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (25)] Ended with exit code 0 [2024-11-13 22:30:11,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:30:11,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 138 states and 204 transitions. [2024-11-13 22:30:11,106 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 204 transitions. [2024-11-13 22:30:11,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-13 22:30:11,107 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:30:11,107 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:30:11,107 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5350d81f-cdac-4de4-94d6-1e09d0ffe9ca/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:30:11,109 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5350d81f-cdac-4de4-94d6-1e09d0ffe9ca/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:30:11,110 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5350d81f-cdac-4de4-94d6-1e09d0ffe9ca/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2024-11-13 22:30:11,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:30:11,297 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:30:11,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:30:11,347 INFO L255 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 22:30:11,348 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:30:11,361 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:30:11,365 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5350d81f-cdac-4de4-94d6-1e09d0ffe9ca/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (26)] Ended with exit code 0 [2024-11-13 22:30:12,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:30:12,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 139 states and 206 transitions. [2024-11-13 22:30:12,951 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 206 transitions. [2024-11-13 22:30:12,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-13 22:30:12,951 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:30:12,952 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:30:12,952 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5350d81f-cdac-4de4-94d6-1e09d0ffe9ca/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:30:12,954 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5350d81f-cdac-4de4-94d6-1e09d0ffe9ca/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:30:12,958 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5350d81f-cdac-4de4-94d6-1e09d0ffe9ca/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2024-11-13 22:30:13,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:30:13,140 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:30:13,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:30:13,175 INFO L255 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 22:30:13,175 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:30:13,849 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:30:13,851 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5350d81f-cdac-4de4-94d6-1e09d0ffe9ca/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (27)] Forceful destruction successful, exit code 0 [2024-11-13 22:30:19,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:30:19,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 140 states and 207 transitions. [2024-11-13 22:30:19,264 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 207 transitions. [2024-11-13 22:30:19,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-13 22:30:19,264 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:30:19,264 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:30:19,264 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5350d81f-cdac-4de4-94d6-1e09d0ffe9ca/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:30:19,267 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5350d81f-cdac-4de4-94d6-1e09d0ffe9ca/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:30:19,268 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5350d81f-cdac-4de4-94d6-1e09d0ffe9ca/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2024-11-13 22:30:19,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:30:19,522 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:30:19,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:30:19,571 INFO L255 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 22:30:19,574 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:30:19,694 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 [2024-11-13 22:30:20,788 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:30:20,791 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5350d81f-cdac-4de4-94d6-1e09d0ffe9ca/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (28)] Ended with exit code 0 [2024-11-13 22:30:26,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:30:26,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 142 states and 209 transitions. [2024-11-13 22:30:26,932 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 209 transitions. [2024-11-13 22:30:26,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-13 22:30:26,933 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:30:26,933 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:30:26,933 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5350d81f-cdac-4de4-94d6-1e09d0ffe9ca/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:30:26,937 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5350d81f-cdac-4de4-94d6-1e09d0ffe9ca/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:30:26,939 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5350d81f-cdac-4de4-94d6-1e09d0ffe9ca/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2024-11-13 22:30:27,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:30:27,157 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:30:27,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:30:27,201 INFO L255 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 22:30:27,202 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:30:27,970 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-13 22:30:28,592 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-13 22:30:29,223 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:30:29,226 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5350d81f-cdac-4de4-94d6-1e09d0ffe9ca/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (29)] Ended with exit code 0 [2024-11-13 22:30:46,037 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 22:30:56,716 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 22:31:20,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:31:20,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 154 states and 232 transitions. [2024-11-13 22:31:20,444 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 232 transitions. [2024-11-13 22:31:20,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-13 22:31:20,445 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:31:20,445 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:31:20,445 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5350d81f-cdac-4de4-94d6-1e09d0ffe9ca/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:31:20,447 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5350d81f-cdac-4de4-94d6-1e09d0ffe9ca/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:31:20,449 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5350d81f-cdac-4de4-94d6-1e09d0ffe9ca/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2024-11-13 22:31:20,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:31:20,713 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:31:20,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:31:20,758 INFO L255 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-13 22:31:20,761 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:31:20,844 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 15 treesize of output 1 [2024-11-13 22:31:20,891 INFO L349 Elim1Store]: treesize reduction 36, result has 35.7 percent of original size [2024-11-13 22:31:20,892 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 25 treesize of output 28 [2024-11-13 22:31:22,464 INFO L349 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2024-11-13 22:31:22,464 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 26 [2024-11-13 22:31:23,433 INFO L349 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2024-11-13 22:31:23,433 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 38 treesize of output 18 [2024-11-13 22:31:24,037 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:31:24,040 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5350d81f-cdac-4de4-94d6-1e09d0ffe9ca/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (30)] Ended with exit code 0 [2024-11-13 22:31:42,842 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 22:31:52,859 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 22:32:02,871 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 22:32:12,878 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 22:32:22,892 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 22:32:32,902 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 22:32:42,916 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 22:32:52,932 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 22:33:02,943 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 22:33:12,952 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 22:33:22,971 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 22:33:32,980 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 22:33:42,996 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 22:33:53,016 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 22:34:05,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:34:05,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 161 states and 252 transitions. [2024-11-13 22:34:05,001 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 252 transitions. [2024-11-13 22:34:05,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-13 22:34:05,002 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:34:05,002 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:34:05,002 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5350d81f-cdac-4de4-94d6-1e09d0ffe9ca/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:34:05,007 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5350d81f-cdac-4de4-94d6-1e09d0ffe9ca/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:34:05,008 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5350d81f-cdac-4de4-94d6-1e09d0ffe9ca/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2024-11-13 22:34:05,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:34:05,264 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:34:05,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:34:05,312 INFO L255 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 22:34:05,314 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:34:06,175 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-13 22:34:08,535 INFO L349 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2024-11-13 22:34:08,535 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 19 [2024-11-13 22:34:09,571 INFO L349 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2024-11-13 22:34:09,571 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 11 [2024-11-13 22:34:10,297 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:34:10,301 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5350d81f-cdac-4de4-94d6-1e09d0ffe9ca/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (31)] Forceful destruction successful, exit code 0 [2024-11-13 22:34:19,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:34:19,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 163 states and 260 transitions. [2024-11-13 22:34:19,608 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 260 transitions. [2024-11-13 22:34:19,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-13 22:34:19,608 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:34:19,608 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:34:19,608 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5350d81f-cdac-4de4-94d6-1e09d0ffe9ca/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:34:19,610 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5350d81f-cdac-4de4-94d6-1e09d0ffe9ca/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:34:19,612 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5350d81f-cdac-4de4-94d6-1e09d0ffe9ca/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2024-11-13 22:34:19,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:34:19,916 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:34:19,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:34:19,977 INFO L255 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-13 22:34:19,979 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:34:21,064 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 [2024-11-13 22:34:21,075 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 15 treesize of output 1 [2024-11-13 22:34:21,945 INFO L349 Elim1Store]: treesize reduction 21, result has 44.7 percent of original size [2024-11-13 22:34:21,945 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 18 treesize of output 21 [2024-11-13 22:34:21,990 INFO L349 Elim1Store]: treesize reduction 6, result has 57.1 percent of original size [2024-11-13 22:34:21,991 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 17 treesize of output 17 [2024-11-13 22:34:23,902 INFO L349 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2024-11-13 22:34:23,902 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 24 [2024-11-13 22:34:23,964 INFO L349 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2024-11-13 22:34:23,964 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 1 case distinctions, treesize of input 19 treesize of output 18 [2024-11-13 22:34:25,141 INFO L349 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2024-11-13 22:34:25,141 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 16 [2024-11-13 22:34:25,156 INFO L349 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2024-11-13 22:34:25,156 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 7 [2024-11-13 22:34:26,164 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:34:26,168 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5350d81f-cdac-4de4-94d6-1e09d0ffe9ca/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (32)] Ended with exit code 0 [2024-11-13 22:34:50,480 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 22:35:00,494 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 22:35:10,504 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 22:35:20,516 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 22:35:30,528 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 22:35:40,557 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 22:35:50,571 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 22:36:05,340 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 22:36:18,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:36:18,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 170 states and 282 transitions. [2024-11-13 22:36:18,778 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 282 transitions. [2024-11-13 22:36:18,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-13 22:36:18,778 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:36:18,778 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:36:18,778 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5350d81f-cdac-4de4-94d6-1e09d0ffe9ca/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:36:18,781 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5350d81f-cdac-4de4-94d6-1e09d0ffe9ca/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:36:18,782 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5350d81f-cdac-4de4-94d6-1e09d0ffe9ca/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (33)] Waiting until timeout for monitored process [2024-11-13 22:36:19,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:36:19,074 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:36:19,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:36:19,119 INFO L255 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-13 22:36:19,121 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:36:19,216 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 15 treesize of output 1 [2024-11-13 22:36:19,294 INFO L349 Elim1Store]: treesize reduction 36, result has 35.7 percent of original size [2024-11-13 22:36:19,294 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 25 treesize of output 28 [2024-11-13 22:36:19,382 INFO L349 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2024-11-13 22:36:19,382 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 26 [2024-11-13 22:36:20,377 INFO L349 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2024-11-13 22:36:20,377 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 38 treesize of output 18 [2024-11-13 22:36:20,382 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:36:20,385 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5350d81f-cdac-4de4-94d6-1e09d0ffe9ca/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (33)] Ended with exit code 0 [2024-11-13 22:36:26,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:36:26,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 172 states and 285 transitions. [2024-11-13 22:36:26,027 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 285 transitions. [2024-11-13 22:36:26,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-13 22:36:26,027 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:36:26,027 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:36:26,028 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5350d81f-cdac-4de4-94d6-1e09d0ffe9ca/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:36:26,030 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5350d81f-cdac-4de4-94d6-1e09d0ffe9ca/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:36:26,033 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5350d81f-cdac-4de4-94d6-1e09d0ffe9ca/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2024-11-13 22:36:26,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:36:26,312 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:36:26,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:36:26,370 INFO L255 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 22:36:26,372 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:36:26,469 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-13 22:36:26,538 INFO L349 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2024-11-13 22:36:26,538 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 19 [2024-11-13 22:36:26,555 INFO L349 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2024-11-13 22:36:26,555 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 11 [2024-11-13 22:36:26,559 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:36:26,562 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5350d81f-cdac-4de4-94d6-1e09d0ffe9ca/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (34)] Ended with exit code 0 [2024-11-13 22:36:42,402 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 22:36:52,415 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 22:37:02,429 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 22:37:12,443 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 22:37:22,457 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 22:37:32,472 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 22:37:42,515 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 22:37:42,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:37:42,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 173 states and 288 transitions. [2024-11-13 22:37:42,528 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 288 transitions. [2024-11-13 22:37:42,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-13 22:37:42,529 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:37:42,529 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:37:42,529 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5350d81f-cdac-4de4-94d6-1e09d0ffe9ca/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:37:42,531 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5350d81f-cdac-4de4-94d6-1e09d0ffe9ca/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:37:42,533 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5350d81f-cdac-4de4-94d6-1e09d0ffe9ca/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (35)] Waiting until timeout for monitored process [2024-11-13 22:37:42,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:37:42,910 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:37:42,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:37:42,969 INFO L255 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-13 22:37:42,971 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:37:43,092 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 [2024-11-13 22:37:43,105 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 15 treesize of output 1 [2024-11-13 22:37:43,184 INFO L349 Elim1Store]: treesize reduction 21, result has 44.7 percent of original size [2024-11-13 22:37:43,184 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 18 treesize of output 21 [2024-11-13 22:37:43,222 INFO L349 Elim1Store]: treesize reduction 6, result has 57.1 percent of original size [2024-11-13 22:37:43,222 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 17 treesize of output 17 [2024-11-13 22:37:43,309 INFO L349 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2024-11-13 22:37:43,309 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 24 [2024-11-13 22:37:43,353 INFO L349 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2024-11-13 22:37:43,353 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 1 case distinctions, treesize of input 19 treesize of output 18 [2024-11-13 22:37:43,470 INFO L349 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2024-11-13 22:37:43,471 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 16 [2024-11-13 22:37:43,489 INFO L349 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2024-11-13 22:37:43,489 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 7 [2024-11-13 22:37:43,491 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:37:43,498 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5350d81f-cdac-4de4-94d6-1e09d0ffe9ca/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (35)] Ended with exit code 0 [2024-11-13 22:37:49,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:37:49,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 175 states and 291 transitions. [2024-11-13 22:37:49,820 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 291 transitions. [2024-11-13 22:37:49,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-13 22:37:49,820 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:37:49,820 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:37:49,820 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5350d81f-cdac-4de4-94d6-1e09d0ffe9ca/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:37:49,824 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5350d81f-cdac-4de4-94d6-1e09d0ffe9ca/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:37:49,828 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5350d81f-cdac-4de4-94d6-1e09d0ffe9ca/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (36)] Waiting until timeout for monitored process [2024-11-13 22:37:50,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:37:50,156 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:37:50,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:37:50,196 INFO L255 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 22:37:50,197 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:37:51,209 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 11 [2024-11-13 22:37:52,103 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:37:52,106 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5350d81f-cdac-4de4-94d6-1e09d0ffe9ca/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (36)] Forceful destruction successful, exit code 0 [2024-11-13 22:38:10,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:38:10,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 179 states and 297 transitions. [2024-11-13 22:38:10,657 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 297 transitions. [2024-11-13 22:38:10,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-13 22:38:10,657 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:38:10,657 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:38:10,657 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5350d81f-cdac-4de4-94d6-1e09d0ffe9ca/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:38:10,659 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5350d81f-cdac-4de4-94d6-1e09d0ffe9ca/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:38:10,661 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5350d81f-cdac-4de4-94d6-1e09d0ffe9ca/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (37)] Waiting until timeout for monitored process [2024-11-13 22:38:10,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:38:10,916 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:38:10,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:38:10,971 INFO L255 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 22:38:10,972 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:38:11,001 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-13 22:38:11,008 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5350d81f-cdac-4de4-94d6-1e09d0ffe9ca/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (37)] Ended with exit code 0 [2024-11-13 22:38:13,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:38:13,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 179 states and 296 transitions. [2024-11-13 22:38:13,885 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 296 transitions. [2024-11-13 22:38:13,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-13 22:38:13,886 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:38:13,886 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:38:13,886 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5350d81f-cdac-4de4-94d6-1e09d0ffe9ca/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:38:13,888 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5350d81f-cdac-4de4-94d6-1e09d0ffe9ca/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:38:13,890 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5350d81f-cdac-4de4-94d6-1e09d0ffe9ca/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (38)] Waiting until timeout for monitored process [2024-11-13 22:38:14,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:38:14,200 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:38:14,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:38:14,246 INFO L255 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 22:38:14,247 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:38:14,255 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 6 treesize of output 5 [2024-11-13 22:38:14,305 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 22:38:14,308 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5350d81f-cdac-4de4-94d6-1e09d0ffe9ca/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (38)] Ended with exit code 0 [2024-11-13 22:38:21,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:38:21,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 181 states and 298 transitions. [2024-11-13 22:38:21,410 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 298 transitions. [2024-11-13 22:38:21,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-13 22:38:21,410 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:38:21,410 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:38:21,411 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5350d81f-cdac-4de4-94d6-1e09d0ffe9ca/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:38:21,413 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5350d81f-cdac-4de4-94d6-1e09d0ffe9ca/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:38:21,414 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5350d81f-cdac-4de4-94d6-1e09d0ffe9ca/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (39)] Waiting until timeout for monitored process [2024-11-13 22:38:21,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:38:21,731 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:38:21,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:38:21,769 INFO L255 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-13 22:38:21,771 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:38:21,774 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 6 treesize of output 7 [2024-11-13 22:38:21,799 INFO L349 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2024-11-13 22:38:21,799 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 13 [2024-11-13 22:38:22,896 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-13 22:38:24,863 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 8 [2024-11-13 22:38:25,823 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 16 treesize of output 13 [2024-11-13 22:38:25,829 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:38:25,832 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5350d81f-cdac-4de4-94d6-1e09d0ffe9ca/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (39)] Ended with exit code 0 [2024-11-13 22:39:02,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:39:02,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 191 states and 317 transitions. [2024-11-13 22:39:02,676 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 317 transitions. [2024-11-13 22:39:02,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-13 22:39:02,676 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:39:02,676 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:39:02,676 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5350d81f-cdac-4de4-94d6-1e09d0ffe9ca/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:39:02,681 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5350d81f-cdac-4de4-94d6-1e09d0ffe9ca/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:39:02,684 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5350d81f-cdac-4de4-94d6-1e09d0ffe9ca/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (40)] Waiting until timeout for monitored process [2024-11-13 22:39:02,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:39:02,950 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:39:02,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:39:02,985 INFO L255 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 22:39:02,986 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:39:03,059 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:39:03,062 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5350d81f-cdac-4de4-94d6-1e09d0ffe9ca/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (40)] Ended with exit code 0 [2024-11-13 22:39:17,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:39:17,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 193 states and 320 transitions. [2024-11-13 22:39:17,200 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 320 transitions. [2024-11-13 22:39:17,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-13 22:39:17,200 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:39:17,200 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:39:17,200 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5350d81f-cdac-4de4-94d6-1e09d0ffe9ca/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:39:17,204 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5350d81f-cdac-4de4-94d6-1e09d0ffe9ca/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:39:17,206 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5350d81f-cdac-4de4-94d6-1e09d0ffe9ca/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (41)] Waiting until timeout for monitored process [2024-11-13 22:39:17,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:39:17,495 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:39:17,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:39:17,544 INFO L255 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 22:39:17,545 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:39:17,569 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 22:39:17,572 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5350d81f-cdac-4de4-94d6-1e09d0ffe9ca/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (41)] Forceful destruction successful, exit code 0 [2024-11-13 22:39:37,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:39:37,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 197 states and 326 transitions. [2024-11-13 22:39:37,372 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 326 transitions. [2024-11-13 22:39:37,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-13 22:39:37,373 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:39:37,373 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:39:37,373 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5350d81f-cdac-4de4-94d6-1e09d0ffe9ca/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:39:37,375 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5350d81f-cdac-4de4-94d6-1e09d0ffe9ca/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:39:37,376 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5350d81f-cdac-4de4-94d6-1e09d0ffe9ca/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (42)] Waiting until timeout for monitored process [2024-11-13 22:39:37,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:39:37,668 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:39:37,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:39:37,715 INFO L255 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 22:39:37,716 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:39:39,203 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 22:39:39,206 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5350d81f-cdac-4de4-94d6-1e09d0ffe9ca/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (42)] Ended with exit code 0