./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/list-ext-properties/list-ext.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c012bd5f-ccc7-4476-96bc-ab7afeebd9df/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c012bd5f-ccc7-4476-96bc-ab7afeebd9df/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c012bd5f-ccc7-4476-96bc-ab7afeebd9df/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c012bd5f-ccc7-4476-96bc-ab7afeebd9df/bin/ukojak-verify-ENZ3QT5qd3/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/list-ext-properties/list-ext.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c012bd5f-ccc7-4476-96bc-ab7afeebd9df/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c012bd5f-ccc7-4476-96bc-ab7afeebd9df/bin/ukojak-verify-ENZ3QT5qd3 --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 75539a96800eea0d91d3dad14f0ad356c5f8079fa4f6dcf5bbfcb193296a44a8 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 05:12:28,591 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 05:12:28,679 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c012bd5f-ccc7-4476-96bc-ab7afeebd9df/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2024-11-25 05:12:28,687 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 05:12:28,688 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 05:12:28,729 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 05:12:28,731 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 05:12:28,731 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 05:12:28,731 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 05:12:28,731 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 05:12:28,731 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 05:12:28,731 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 05:12:28,731 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 05:12:28,732 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-25 05:12:28,732 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-25 05:12:28,732 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-25 05:12:28,732 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 05:12:28,735 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 05:12:28,736 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 05:12:28,736 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 05:12:28,736 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 05:12:28,736 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 05:12:28,736 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 05:12:28,737 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 05:12:28,737 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 05:12:28,737 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 05:12:28,737 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 05:12:28,737 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 05:12:28,737 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 05:12:28,737 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 05:12:28,737 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_c012bd5f-ccc7-4476-96bc-ab7afeebd9df/bin/ukojak-verify-ENZ3QT5qd3 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 -> 75539a96800eea0d91d3dad14f0ad356c5f8079fa4f6dcf5bbfcb193296a44a8 [2024-11-25 05:12:29,023 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 05:12:29,037 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 05:12:29,042 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 05:12:29,044 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 05:12:29,044 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 05:12:29,045 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c012bd5f-ccc7-4476-96bc-ab7afeebd9df/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/list-ext-properties/list-ext.i [2024-11-25 05:12:31,967 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c012bd5f-ccc7-4476-96bc-ab7afeebd9df/bin/ukojak-verify-ENZ3QT5qd3/data/7820a25d6/fa102d80717a4cfdac6e4891d3cecf1e/FLAG3982c6dbb [2024-11-25 05:12:32,298 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 05:12:32,298 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c012bd5f-ccc7-4476-96bc-ab7afeebd9df/sv-benchmarks/c/list-ext-properties/list-ext.i [2024-11-25 05:12:32,309 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c012bd5f-ccc7-4476-96bc-ab7afeebd9df/bin/ukojak-verify-ENZ3QT5qd3/data/7820a25d6/fa102d80717a4cfdac6e4891d3cecf1e/FLAG3982c6dbb [2024-11-25 05:12:32,324 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c012bd5f-ccc7-4476-96bc-ab7afeebd9df/bin/ukojak-verify-ENZ3QT5qd3/data/7820a25d6/fa102d80717a4cfdac6e4891d3cecf1e [2024-11-25 05:12:32,327 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 05:12:32,329 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 05:12:32,330 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 05:12:32,330 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 05:12:32,335 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 05:12:32,336 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:12:32" (1/1) ... [2024-11-25 05:12:32,337 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5dc77155 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:12:32, skipping insertion in model container [2024-11-25 05:12:32,338 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:12:32" (1/1) ... [2024-11-25 05:12:32,374 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 05:12:32,724 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 05:12:32,734 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 05:12:32,780 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 05:12:32,807 INFO L204 MainTranslator]: Completed translation [2024-11-25 05:12:32,808 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:12:32 WrapperNode [2024-11-25 05:12:32,808 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 05:12:32,809 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 05:12:32,810 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 05:12:32,810 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 05:12:32,817 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:12:32" (1/1) ... [2024-11-25 05:12:32,828 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:12:32" (1/1) ... [2024-11-25 05:12:32,852 INFO L138 Inliner]: procedures = 124, calls = 30, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 135 [2024-11-25 05:12:32,853 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 05:12:32,854 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 05:12:32,854 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 05:12:32,854 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 05:12:32,861 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:12:32" (1/1) ... [2024-11-25 05:12:32,861 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:12:32" (1/1) ... [2024-11-25 05:12:32,865 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:12:32" (1/1) ... [2024-11-25 05:12:32,865 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:12:32" (1/1) ... [2024-11-25 05:12:32,873 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:12:32" (1/1) ... [2024-11-25 05:12:32,875 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:12:32" (1/1) ... [2024-11-25 05:12:32,881 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:12:32" (1/1) ... [2024-11-25 05:12:32,882 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:12:32" (1/1) ... [2024-11-25 05:12:32,883 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:12:32" (1/1) ... [2024-11-25 05:12:32,887 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 05:12:32,888 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 05:12:32,889 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 05:12:32,889 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 05:12:32,890 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:12:32" (1/1) ... [2024-11-25 05:12:32,895 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 05:12:32,907 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c012bd5f-ccc7-4476-96bc-ab7afeebd9df/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 05:12:32,920 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c012bd5f-ccc7-4476-96bc-ab7afeebd9df/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 05:12:32,928 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c012bd5f-ccc7-4476-96bc-ab7afeebd9df/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 05:12:32,954 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-25 05:12:32,954 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-25 05:12:32,954 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-25 05:12:32,955 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 05:12:32,955 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-25 05:12:32,955 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-25 05:12:32,955 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-25 05:12:32,955 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 05:12:32,956 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 05:12:32,956 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 05:12:33,072 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 05:12:33,074 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 05:12:33,473 INFO L? ?]: Removed 96 outVars from TransFormulas that were not future-live. [2024-11-25 05:12:33,473 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 05:12:33,550 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 05:12:33,552 INFO L312 CfgBuilder]: Removed 5 assume(true) statements. [2024-11-25 05:12:33,553 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:12:33 BoogieIcfgContainer [2024-11-25 05:12:33,554 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 05:12:33,555 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 05:12:33,555 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 05:12:33,565 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 05:12:33,566 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:12:33" (1/1) ... [2024-11-25 05:12:33,575 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 05:12:33,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:12:33,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 80 states and 94 transitions. [2024-11-25 05:12:33,632 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 94 transitions. [2024-11-25 05:12:33,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-25 05:12:33,635 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:12:33,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:12:33,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:12:33,903 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 05:12:33,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:12:33,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 83 states and 98 transitions. [2024-11-25 05:12:33,971 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 98 transitions. [2024-11-25 05:12:33,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-25 05:12:33,971 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:12:33,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:12:34,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:12:34,189 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 05:12:34,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:12:34,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 86 states and 103 transitions. [2024-11-25 05:12:34,477 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 103 transitions. [2024-11-25 05:12:34,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-25 05:12:34,477 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:12:34,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:12:34,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:12:34,499 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 05:12:34,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:12:34,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 86 states and 102 transitions. [2024-11-25 05:12:34,509 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 102 transitions. [2024-11-25 05:12:34,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 05:12:34,509 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:12:34,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:12:34,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:12:34,597 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 05:12:34,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:12:34,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 89 states and 107 transitions. [2024-11-25 05:12:34,643 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 107 transitions. [2024-11-25 05:12:34,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 05:12:34,644 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:12:34,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:12:34,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:12:34,818 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 05:12:34,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:12:34,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 92 states and 112 transitions. [2024-11-25 05:12:34,872 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 112 transitions. [2024-11-25 05:12:34,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 05:12:34,875 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:12:34,875 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:12:34,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:12:34,932 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 05:12:34,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:12:34,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 93 states and 113 transitions. [2024-11-25 05:12:34,948 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 113 transitions. [2024-11-25 05:12:34,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 05:12:34,948 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:12:34,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:12:34,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:12:35,099 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 05:12:35,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:12:35,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 94 states and 115 transitions. [2024-11-25 05:12:35,297 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 115 transitions. [2024-11-25 05:12:35,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 05:12:35,302 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:12:35,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:12:35,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:12:35,437 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 05:12:35,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:12:35,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 93 states and 114 transitions. [2024-11-25 05:12:35,464 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 114 transitions. [2024-11-25 05:12:35,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 05:12:35,465 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:12:35,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:12:35,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:12:35,611 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 05:12:35,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:12:35,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 95 states and 117 transitions. [2024-11-25 05:12:35,640 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 117 transitions. [2024-11-25 05:12:35,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-25 05:12:35,640 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:12:35,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:12:35,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:12:35,687 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 05:12:35,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:12:35,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 94 states and 116 transitions. [2024-11-25 05:12:35,712 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 116 transitions. [2024-11-25 05:12:35,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-25 05:12:35,712 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:12:35,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:12:35,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:12:35,812 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 05:12:35,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:12:35,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 96 states and 118 transitions. [2024-11-25 05:12:35,942 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 118 transitions. [2024-11-25 05:12:35,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-25 05:12:35,942 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:12:35,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:12:35,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:12:35,974 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 05:12:36,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:12:36,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 95 states and 117 transitions. [2024-11-25 05:12:36,016 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 117 transitions. [2024-11-25 05:12:36,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-25 05:12:36,016 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:12:36,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:12:36,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:12:36,138 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 05:12:36,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:12:36,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 96 states and 121 transitions. [2024-11-25 05:12:36,209 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 121 transitions. [2024-11-25 05:12:36,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-25 05:12:36,209 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:12:36,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:12:36,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:12:36,307 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 05:12:36,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:12:36,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 95 states and 120 transitions. [2024-11-25 05:12:36,326 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 120 transitions. [2024-11-25 05:12:36,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-25 05:12:36,327 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:12:36,327 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:12:36,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:12:36,501 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 05:12:36,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:12:36,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 97 states and 124 transitions. [2024-11-25 05:12:36,530 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 124 transitions. [2024-11-25 05:12:36,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-25 05:12:36,531 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:12:36,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:12:36,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:12:36,652 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 05:12:36,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:12:36,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 104 states and 138 transitions. [2024-11-25 05:12:36,960 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 138 transitions. [2024-11-25 05:12:36,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-25 05:12:36,961 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:12:36,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:12:36,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:12:37,075 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 05:12:37,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:12:37,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 111 states and 153 transitions. [2024-11-25 05:12:37,320 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 153 transitions. [2024-11-25 05:12:37,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-25 05:12:37,321 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:12:37,321 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:12:37,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:12:37,353 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 05:12:37,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:12:37,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 110 states and 152 transitions. [2024-11-25 05:12:37,393 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 152 transitions. [2024-11-25 05:12:37,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-25 05:12:37,394 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:12:37,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:12:37,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:12:37,454 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 05:12:37,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:12:37,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 111 states and 157 transitions. [2024-11-25 05:12:37,488 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 157 transitions. [2024-11-25 05:12:37,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-25 05:12:37,492 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:12:37,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:12:37,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:12:37,528 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 05:12:37,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:12:37,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 110 states and 156 transitions. [2024-11-25 05:12:37,563 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 156 transitions. [2024-11-25 05:12:37,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-25 05:12:37,564 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:12:37,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:12:37,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:12:37,734 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 05:12:37,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:12:37,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 112 states and 162 transitions. [2024-11-25 05:12:37,823 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 162 transitions. [2024-11-25 05:12:37,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-25 05:12:37,824 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:12:37,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:12:37,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:12:37,854 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 05:12:37,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:12:37,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 113 states and 163 transitions. [2024-11-25 05:12:37,874 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 163 transitions. [2024-11-25 05:12:37,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-25 05:12:37,874 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:12:37,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:12:37,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:12:37,977 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 05:12:38,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:12:38,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 114 states and 166 transitions. [2024-11-25 05:12:38,197 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 166 transitions. [2024-11-25 05:12:38,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-25 05:12:38,197 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:12:38,197 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:12:38,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:12:38,401 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 05:12:38,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:12:38,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 115 states and 167 transitions. [2024-11-25 05:12:38,909 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 167 transitions. [2024-11-25 05:12:38,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-25 05:12:38,909 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:12:38,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:12:38,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:12:39,187 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 05:12:39,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:12:39,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 101 states and 143 transitions. [2024-11-25 05:12:39,870 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 143 transitions. [2024-11-25 05:12:39,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-25 05:12:39,870 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:12:39,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:12:39,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:12:40,204 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 05:12:41,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:12:41,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 103 states and 150 transitions. [2024-11-25 05:12:41,215 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 150 transitions. [2024-11-25 05:12:41,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-25 05:12:41,216 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:12:41,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:12:41,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:12:41,493 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 05:12:42,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:12:42,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 97 states and 135 transitions. [2024-11-25 05:12:42,354 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 135 transitions. [2024-11-25 05:12:42,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-25 05:12:42,354 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:12:42,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:12:42,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:12:42,436 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 05:12:43,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:12:43,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 89 states and 127 transitions. [2024-11-25 05:12:43,075 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 127 transitions. [2024-11-25 05:12:43,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-25 05:12:43,075 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:12:43,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:12:43,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:12:43,110 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 05:12:43,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:12:43,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 88 states and 126 transitions. [2024-11-25 05:12:43,130 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 126 transitions. [2024-11-25 05:12:43,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-25 05:12:43,130 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:12:43,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:12:43,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:12:43,175 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 05:12:43,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:12:43,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 90 states and 129 transitions. [2024-11-25 05:12:43,198 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 129 transitions. [2024-11-25 05:12:43,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-25 05:12:43,199 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:12:43,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:12:43,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:12:43,219 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 05:12:43,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:12:43,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 89 states and 128 transitions. [2024-11-25 05:12:43,242 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 128 transitions. [2024-11-25 05:12:43,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-25 05:12:43,242 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:12:43,243 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:12:43,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:12:43,322 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 05:12:43,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:12:43,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 92 states and 136 transitions. [2024-11-25 05:12:43,521 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 136 transitions. [2024-11-25 05:12:43,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-25 05:12:43,521 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:12:43,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:12:43,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:12:43,656 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 05:12:44,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:12:44,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 86 states and 125 transitions. [2024-11-25 05:12:44,285 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 125 transitions. [2024-11-25 05:12:44,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-25 05:12:44,285 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:12:44,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:12:44,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:12:44,447 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 05:12:45,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:12:45,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 88 states and 130 transitions. [2024-11-25 05:12:45,400 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 130 transitions. [2024-11-25 05:12:45,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-25 05:12:45,401 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:12:45,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:12:45,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:12:45,635 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 05:12:47,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:12:47,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 97 states and 146 transitions. [2024-11-25 05:12:47,151 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 146 transitions. [2024-11-25 05:12:47,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-25 05:12:47,151 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:12:47,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:12:47,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:12:47,213 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 05:12:47,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:12:47,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 101 states and 152 transitions. [2024-11-25 05:12:47,582 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 152 transitions. [2024-11-25 05:12:47,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-25 05:12:47,583 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:12:47,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:12:47,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:12:47,703 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 05:12:48,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:12:48,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 107 states and 161 transitions. [2024-11-25 05:12:48,111 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 161 transitions. [2024-11-25 05:12:48,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-25 05:12:48,112 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:12:48,112 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:12:48,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:12:48,179 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 05:12:48,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:12:48,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 109 states and 164 transitions. [2024-11-25 05:12:48,208 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 164 transitions. [2024-11-25 05:12:48,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-25 05:12:48,208 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:12:48,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:12:48,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 05:12:48,219 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 05:12:48,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 05:12:48,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 05:12:48,294 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 05:12:48,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 05:12:48,339 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 39 iterations. [2024-11-25 05:12:48,366 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 05:12:48 ImpRootNode [2024-11-25 05:12:48,366 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 05:12:48,367 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 05:12:48,367 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 05:12:48,367 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 05:12:48,367 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:12:33" (3/4) ... [2024-11-25 05:12:48,370 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-25 05:12:48,370 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 05:12:48,371 INFO L158 Benchmark]: Toolchain (without parser) took 16042.77ms. Allocated memory was 142.6MB in the beginning and 411.0MB in the end (delta: 268.4MB). Free memory was 118.7MB in the beginning and 179.4MB in the end (delta: -60.7MB). Peak memory consumption was 210.2MB. Max. memory is 16.1GB. [2024-11-25 05:12:48,372 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 142.6MB. Free memory is still 79.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 05:12:48,372 INFO L158 Benchmark]: CACSL2BoogieTranslator took 478.80ms. Allocated memory is still 142.6MB. Free memory was 118.4MB in the beginning and 101.2MB in the end (delta: 17.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 05:12:48,372 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.17ms. Allocated memory is still 142.6MB. Free memory was 100.9MB in the beginning and 99.3MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 05:12:48,373 INFO L158 Benchmark]: Boogie Preprocessor took 32.77ms. Allocated memory is still 142.6MB. Free memory was 99.3MB in the beginning and 97.8MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 05:12:48,373 INFO L158 Benchmark]: RCFGBuilder took 665.54ms. Allocated memory is still 142.6MB. Free memory was 97.8MB in the beginning and 72.2MB in the end (delta: 25.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-25 05:12:48,373 INFO L158 Benchmark]: CodeCheck took 14811.76ms. Allocated memory was 142.6MB in the beginning and 411.0MB in the end (delta: 268.4MB). Free memory was 71.9MB in the beginning and 179.5MB in the end (delta: -107.6MB). Peak memory consumption was 159.9MB. Max. memory is 16.1GB. [2024-11-25 05:12:48,374 INFO L158 Benchmark]: Witness Printer took 3.66ms. Allocated memory is still 411.0MB. Free memory was 179.5MB in the beginning and 179.4MB in the end (delta: 81.0kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 05:12:48,376 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, 80 locations, 38 error locations. Started 1 CEGAR loops. OverallTime: 14.8s, OverallIterations: 39, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3383 SdHoareTripleChecker+Valid, 19.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2586 mSDsluCounter, 2244 SdHoareTripleChecker+Invalid, 16.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1386 mSDsCounter, 2321 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 9345 IncrementalHoareTripleChecker+Invalid, 11666 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2321 mSolverCounterUnsat, 858 mSDtfsCounter, 9345 mSolverCounterSat, 0.4s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3426 GetRequests, 3186 SyntacticMatches, 80 SemanticMatches, 160 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10308 ImplicationChecksByTransitivity, 9.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 3.9s InterpolantComputationTime, 406 NumberOfCodeBlocks, 406 NumberOfCodeBlocksAsserted, 39 NumberOfCheckSat, 352 ConstructedInterpolants, 0 QuantifiedInterpolants, 1900 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 38 InterpolantComputations, 34 PerfectInterpolantSequences, 16/24 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, ConComCheckerStatistics: No data available - UnprovableResult [Line: 12]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 12. Possible FailurePath: [L532] int i = 0; [L533] int y = 0; [L534] List a = (List) malloc(sizeof(struct node)); [L535] COND FALSE !(a == 0) [L536] List t; [L537] List p = a; VAL [a={12826:0}, i=0, p={12826:0}, y=0] [L538] i < 10 && __VERIFIER_nondet_int() [L538] i < 10 && __VERIFIER_nondet_int() VAL [a={12826:0}, i=0, p={12826:0}, y=0] [L538] COND FALSE !(i < 10 && __VERIFIER_nondet_int()) [L546] y < 10 && __VERIFIER_nondet_int() [L546] y < 10 && __VERIFIER_nondet_int() VAL [a={12826:0}, i=0, p={12826:0}, y=0] [L546] COND FALSE !(y < 10 && __VERIFIER_nondet_int()) [L554] p->h = 3 VAL [a={12826:0}, i=0, p={12826:0}, y=0] [L555] p->n = 0 [L556] i = 0 [L557] y = 0 [L558] p = a VAL [a={12826:0}, i=0, p={12826:0}, y=0] [L559] EXPR p->h VAL [a={12826:0}, i=0, p={12826:0}, y=0] [L559] COND FALSE !(p->h == 1) [L563] EXPR p->h VAL [a={12826:0}, i=0, p={12826:0}, y=0] [L563] COND FALSE !(p->h == 2) [L567] EXPR p->h VAL [a={12826:0}, i=0, y=0] [L567] COND TRUE p->h != 3 || (i + y) < 20 [L568] CALL reach_error() [L12] COND FALSE !(0) [L12] __assert_fail ("0", "list-ext.c", 3, __extension__ __PRETTY_FUNCTION__) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 142.6MB. Free memory is still 79.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 478.80ms. Allocated memory is still 142.6MB. Free memory was 118.4MB in the beginning and 101.2MB in the end (delta: 17.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 44.17ms. Allocated memory is still 142.6MB. Free memory was 100.9MB in the beginning and 99.3MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 32.77ms. Allocated memory is still 142.6MB. Free memory was 99.3MB in the beginning and 97.8MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 665.54ms. Allocated memory is still 142.6MB. Free memory was 97.8MB in the beginning and 72.2MB in the end (delta: 25.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * CodeCheck took 14811.76ms. Allocated memory was 142.6MB in the beginning and 411.0MB in the end (delta: 268.4MB). Free memory was 71.9MB in the beginning and 179.5MB in the end (delta: -107.6MB). Peak memory consumption was 159.9MB. Max. memory is 16.1GB. * Witness Printer took 3.66ms. Allocated memory is still 411.0MB. Free memory was 179.5MB in the beginning and 179.4MB in the end (delta: 81.0kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-25 05:12:48,396 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c012bd5f-ccc7-4476-96bc-ab7afeebd9df/bin/ukojak-verify-ENZ3QT5qd3/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_c012bd5f-ccc7-4476-96bc-ab7afeebd9df/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c012bd5f-ccc7-4476-96bc-ab7afeebd9df/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c012bd5f-ccc7-4476-96bc-ab7afeebd9df/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c012bd5f-ccc7-4476-96bc-ab7afeebd9df/bin/ukojak-verify-ENZ3QT5qd3/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/list-ext-properties/list-ext.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c012bd5f-ccc7-4476-96bc-ab7afeebd9df/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c012bd5f-ccc7-4476-96bc-ab7afeebd9df/bin/ukojak-verify-ENZ3QT5qd3 --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 75539a96800eea0d91d3dad14f0ad356c5f8079fa4f6dcf5bbfcb193296a44a8 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 05:12:51,085 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 05:12:51,216 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c012bd5f-ccc7-4476-96bc-ab7afeebd9df/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf [2024-11-25 05:12:51,284 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 05:12:51,287 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 05:12:51,288 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 05:12:51,288 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 05:12:51,288 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 05:12:51,289 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 05:12:51,289 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 05:12:51,289 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 05:12:51,289 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-25 05:12:51,289 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-25 05:12:51,290 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-25 05:12:51,290 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 05:12:51,291 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-25 05:12:51,291 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-25 05:12:51,291 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-25 05:12:51,292 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 05:12:51,292 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 05:12:51,292 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 05:12:51,292 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 05:12:51,292 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 05:12:51,292 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 05:12:51,292 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 05:12:51,292 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 05:12:51,293 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-25 05:12:51,293 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 05:12:51,293 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 05:12:51,293 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 05:12:51,293 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 05:12:51,293 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-25 05:12:51,293 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 05:12:51,294 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-25 05:12:51,294 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_c012bd5f-ccc7-4476-96bc-ab7afeebd9df/bin/ukojak-verify-ENZ3QT5qd3 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 -> 75539a96800eea0d91d3dad14f0ad356c5f8079fa4f6dcf5bbfcb193296a44a8 [2024-11-25 05:12:51,630 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 05:12:51,638 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 05:12:51,641 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 05:12:51,645 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 05:12:51,646 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 05:12:51,647 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c012bd5f-ccc7-4476-96bc-ab7afeebd9df/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/list-ext-properties/list-ext.i [2024-11-25 05:12:54,614 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c012bd5f-ccc7-4476-96bc-ab7afeebd9df/bin/ukojak-verify-ENZ3QT5qd3/data/4f26cfe5a/2160ff9855134bf6bf683a052d4e497e/FLAGceeb2fbf4 [2024-11-25 05:12:55,037 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 05:12:55,041 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c012bd5f-ccc7-4476-96bc-ab7afeebd9df/sv-benchmarks/c/list-ext-properties/list-ext.i [2024-11-25 05:12:55,061 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c012bd5f-ccc7-4476-96bc-ab7afeebd9df/bin/ukojak-verify-ENZ3QT5qd3/data/4f26cfe5a/2160ff9855134bf6bf683a052d4e497e/FLAGceeb2fbf4 [2024-11-25 05:12:55,085 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c012bd5f-ccc7-4476-96bc-ab7afeebd9df/bin/ukojak-verify-ENZ3QT5qd3/data/4f26cfe5a/2160ff9855134bf6bf683a052d4e497e [2024-11-25 05:12:55,090 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 05:12:55,091 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 05:12:55,094 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 05:12:55,094 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 05:12:55,099 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 05:12:55,101 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:12:55" (1/1) ... [2024-11-25 05:12:55,102 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a52a03b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:12:55, skipping insertion in model container [2024-11-25 05:12:55,104 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:12:55" (1/1) ... [2024-11-25 05:12:55,146 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 05:12:55,502 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 05:12:55,518 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 05:12:55,590 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 05:12:55,631 INFO L204 MainTranslator]: Completed translation [2024-11-25 05:12:55,632 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:12:55 WrapperNode [2024-11-25 05:12:55,633 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 05:12:55,634 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 05:12:55,635 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 05:12:55,635 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 05:12:55,646 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:12:55" (1/1) ... [2024-11-25 05:12:55,682 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:12:55" (1/1) ... [2024-11-25 05:12:55,709 INFO L138 Inliner]: procedures = 127, calls = 30, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 134 [2024-11-25 05:12:55,709 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 05:12:55,710 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 05:12:55,710 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 05:12:55,710 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 05:12:55,718 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:12:55" (1/1) ... [2024-11-25 05:12:55,718 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:12:55" (1/1) ... [2024-11-25 05:12:55,723 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:12:55" (1/1) ... [2024-11-25 05:12:55,723 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:12:55" (1/1) ... [2024-11-25 05:12:55,733 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:12:55" (1/1) ... [2024-11-25 05:12:55,734 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:12:55" (1/1) ... [2024-11-25 05:12:55,738 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:12:55" (1/1) ... [2024-11-25 05:12:55,740 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:12:55" (1/1) ... [2024-11-25 05:12:55,741 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:12:55" (1/1) ... [2024-11-25 05:12:55,744 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 05:12:55,745 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 05:12:55,749 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 05:12:55,749 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 05:12:55,750 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:12:55" (1/1) ... [2024-11-25 05:12:55,756 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 05:12:55,770 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c012bd5f-ccc7-4476-96bc-ab7afeebd9df/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 05:12:55,786 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c012bd5f-ccc7-4476-96bc-ab7afeebd9df/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 05:12:55,792 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c012bd5f-ccc7-4476-96bc-ab7afeebd9df/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 05:12:55,826 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-11-25 05:12:55,826 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-25 05:12:55,826 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 05:12:55,827 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-25 05:12:55,827 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-25 05:12:55,828 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-25 05:12:55,828 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-11-25 05:12:55,828 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-25 05:12:55,829 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 05:12:55,829 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 05:12:55,935 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 05:12:55,937 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 05:12:56,487 INFO L? ?]: Removed 96 outVars from TransFormulas that were not future-live. [2024-11-25 05:12:56,487 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 05:12:56,560 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 05:12:56,560 INFO L312 CfgBuilder]: Removed 5 assume(true) statements. [2024-11-25 05:12:56,560 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:12:56 BoogieIcfgContainer [2024-11-25 05:12:56,560 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 05:12:56,561 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 05:12:56,561 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 05:12:56,588 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 05:12:56,589 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:12:56" (1/1) ... [2024-11-25 05:12:56,598 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 05:12:56,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:12:56,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 80 states and 94 transitions. [2024-11-25 05:12:56,649 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 94 transitions. [2024-11-25 05:12:56,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-25 05:12:56,651 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:12:56,652 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:12:56,652 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c012bd5f-ccc7-4476-96bc-ab7afeebd9df/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:12:56,656 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c012bd5f-ccc7-4476-96bc-ab7afeebd9df/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:12:56,657 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c012bd5f-ccc7-4476-96bc-ab7afeebd9df/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-25 05:12:56,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:12:56,771 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:12:56,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:12:56,802 INFO L256 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-25 05:12:56,807 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:12:56,861 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 [2024-11-25 05:12:56,912 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 05:12:56,914 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c012bd5f-ccc7-4476-96bc-ab7afeebd9df/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2024-11-25 05:12:56,916 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c012bd5f-ccc7-4476-96bc-ab7afeebd9df/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2024-11-25 05:12:57,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:12:57,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 83 states and 98 transitions. [2024-11-25 05:12:57,026 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 98 transitions. [2024-11-25 05:12:57,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-25 05:12:57,026 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:12:57,026 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:12:57,026 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c012bd5f-ccc7-4476-96bc-ab7afeebd9df/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:12:57,028 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c012bd5f-ccc7-4476-96bc-ab7afeebd9df/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:12:57,032 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c012bd5f-ccc7-4476-96bc-ab7afeebd9df/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-25 05:12:57,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:12:57,130 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:12:57,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:12:57,155 INFO L256 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-25 05:12:57,156 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:12:57,169 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 [2024-11-25 05:12:57,263 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 05:12:57,266 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c012bd5f-ccc7-4476-96bc-ab7afeebd9df/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2024-11-25 05:12:57,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:12:57,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 86 states and 103 transitions. [2024-11-25 05:12:57,623 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 103 transitions. [2024-11-25 05:12:57,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-25 05:12:57,623 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:12:57,623 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:12:57,623 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c012bd5f-ccc7-4476-96bc-ab7afeebd9df/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:12:57,625 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c012bd5f-ccc7-4476-96bc-ab7afeebd9df/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:12:57,629 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c012bd5f-ccc7-4476-96bc-ab7afeebd9df/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-25 05:12:57,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:12:57,711 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:12:57,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:12:57,727 INFO L256 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-25 05:12:57,728 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:12:57,729 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 05:12:57,732 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c012bd5f-ccc7-4476-96bc-ab7afeebd9df/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-25 05:12:57,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:12:57,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 86 states and 102 transitions. [2024-11-25 05:12:57,765 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 102 transitions. [2024-11-25 05:12:57,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 05:12:57,766 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:12:57,766 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:12:57,766 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c012bd5f-ccc7-4476-96bc-ab7afeebd9df/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:12:57,771 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c012bd5f-ccc7-4476-96bc-ab7afeebd9df/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:12:57,773 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c012bd5f-ccc7-4476-96bc-ab7afeebd9df/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-25 05:12:57,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:12:57,876 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:12:57,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:12:57,899 INFO L256 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-25 05:12:57,900 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:12:57,907 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 [2024-11-25 05:12:57,930 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 05:12:57,934 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c012bd5f-ccc7-4476-96bc-ab7afeebd9df/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-11-25 05:12:57,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:12:57,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 89 states and 107 transitions. [2024-11-25 05:12:57,980 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 107 transitions. [2024-11-25 05:12:57,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 05:12:57,980 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:12:57,980 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:12:57,980 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c012bd5f-ccc7-4476-96bc-ab7afeebd9df/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:12:57,984 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c012bd5f-ccc7-4476-96bc-ab7afeebd9df/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:12:57,985 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c012bd5f-ccc7-4476-96bc-ab7afeebd9df/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-25 05:12:58,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:12:58,082 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:12:58,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:12:58,102 INFO L256 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-25 05:12:58,103 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:12:58,111 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 [2024-11-25 05:12:58,168 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 05:12:58,170 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c012bd5f-ccc7-4476-96bc-ab7afeebd9df/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (6)] Exception during sending of exit command (exit): Broken pipe [2024-11-25 05:12:58,171 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c012bd5f-ccc7-4476-96bc-ab7afeebd9df/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-11-25 05:12:58,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:12:58,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 92 states and 112 transitions. [2024-11-25 05:12:58,233 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 112 transitions. [2024-11-25 05:12:58,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 05:12:58,234 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:12:58,234 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:12:58,234 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c012bd5f-ccc7-4476-96bc-ab7afeebd9df/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:12:58,237 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c012bd5f-ccc7-4476-96bc-ab7afeebd9df/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:12:58,241 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c012bd5f-ccc7-4476-96bc-ab7afeebd9df/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-25 05:12:58,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:12:58,332 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:12:58,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:12:58,349 INFO L256 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-25 05:12:58,351 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:12:58,358 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 [2024-11-25 05:12:58,386 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 05:12:58,388 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c012bd5f-ccc7-4476-96bc-ab7afeebd9df/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-11-25 05:12:58,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:12:58,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 93 states and 113 transitions. [2024-11-25 05:12:58,416 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 113 transitions. [2024-11-25 05:12:58,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 05:12:58,416 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:12:58,417 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:12:58,417 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c012bd5f-ccc7-4476-96bc-ab7afeebd9df/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:12:58,419 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c012bd5f-ccc7-4476-96bc-ab7afeebd9df/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:12:58,422 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c012bd5f-ccc7-4476-96bc-ab7afeebd9df/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-11-25 05:12:58,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:12:58,520 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:12:58,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:12:58,539 INFO L256 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-25 05:12:58,540 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:12:58,548 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 [2024-11-25 05:12:58,596 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 05:12:58,598 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c012bd5f-ccc7-4476-96bc-ab7afeebd9df/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (8)] Exception during sending of exit command (exit): Broken pipe [2024-11-25 05:12:58,600 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c012bd5f-ccc7-4476-96bc-ab7afeebd9df/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-11-25 05:12:58,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:12:58,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 94 states and 114 transitions. [2024-11-25 05:12:58,633 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 114 transitions. [2024-11-25 05:12:58,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 05:12:58,635 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:12:58,635 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:12:58,635 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c012bd5f-ccc7-4476-96bc-ab7afeebd9df/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:12:58,637 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c012bd5f-ccc7-4476-96bc-ab7afeebd9df/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:12:58,640 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c012bd5f-ccc7-4476-96bc-ab7afeebd9df/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-11-25 05:12:58,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:12:58,768 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:12:58,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:12:58,792 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-25 05:12:58,793 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:12:58,837 INFO L349 Elim1Store]: treesize reduction 24, result has 33.3 percent of original size [2024-11-25 05:12:58,838 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 [2024-11-25 05:12:58,849 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 05:12:58,851 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c012bd5f-ccc7-4476-96bc-ab7afeebd9df/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (9)] Exception during sending of exit command (exit): Broken pipe [2024-11-25 05:12:58,852 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c012bd5f-ccc7-4476-96bc-ab7afeebd9df/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-11-25 05:12:58,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:12:58,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 93 states and 113 transitions. [2024-11-25 05:12:58,894 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 113 transitions. [2024-11-25 05:12:58,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 05:12:58,895 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:12:58,895 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:12:58,895 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c012bd5f-ccc7-4476-96bc-ab7afeebd9df/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:12:58,899 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c012bd5f-ccc7-4476-96bc-ab7afeebd9df/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:12:58,903 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c012bd5f-ccc7-4476-96bc-ab7afeebd9df/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-11-25 05:12:59,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:12:59,028 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:12:59,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:12:59,054 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 05:12:59,059 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:12:59,068 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 [2024-11-25 05:12:59,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 05:12:59,141 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 [2024-11-25 05:12:59,160 INFO L349 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2024-11-25 05:12:59,161 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 [2024-11-25 05:12:59,174 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 05:12:59,176 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c012bd5f-ccc7-4476-96bc-ab7afeebd9df/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (10)] Exception during sending of exit command (exit): Broken pipe [2024-11-25 05:12:59,177 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c012bd5f-ccc7-4476-96bc-ab7afeebd9df/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2024-11-25 05:12:59,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:12:59,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 95 states and 116 transitions. [2024-11-25 05:12:59,229 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 116 transitions. [2024-11-25 05:12:59,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-25 05:12:59,230 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:12:59,230 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:12:59,230 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c012bd5f-ccc7-4476-96bc-ab7afeebd9df/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:12:59,233 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c012bd5f-ccc7-4476-96bc-ab7afeebd9df/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:12:59,236 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c012bd5f-ccc7-4476-96bc-ab7afeebd9df/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-11-25 05:12:59,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:12:59,332 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:12:59,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:12:59,355 INFO L256 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-25 05:12:59,356 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:12:59,361 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 05:12:59,363 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c012bd5f-ccc7-4476-96bc-ab7afeebd9df/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (11)] Exception during sending of exit command (exit): Broken pipe [2024-11-25 05:12:59,364 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c012bd5f-ccc7-4476-96bc-ab7afeebd9df/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (11)] Forceful destruction successful, exit code 0 [2024-11-25 05:12:59,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:12:59,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 94 states and 115 transitions. [2024-11-25 05:12:59,404 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 115 transitions. [2024-11-25 05:12:59,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-25 05:12:59,405 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:12:59,405 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:12:59,405 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c012bd5f-ccc7-4476-96bc-ab7afeebd9df/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:12:59,408 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c012bd5f-ccc7-4476-96bc-ab7afeebd9df/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:12:59,411 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c012bd5f-ccc7-4476-96bc-ab7afeebd9df/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-11-25 05:12:59,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:12:59,519 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:12:59,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:12:59,545 INFO L256 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-25 05:12:59,546 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:12:59,556 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 [2024-11-25 05:12:59,613 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 05:12:59,615 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c012bd5f-ccc7-4476-96bc-ab7afeebd9df/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2024-11-25 05:12:59,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:12:59,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 95 states and 116 transitions. [2024-11-25 05:12:59,661 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 116 transitions. [2024-11-25 05:12:59,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-25 05:12:59,661 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:12:59,662 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:12:59,662 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c012bd5f-ccc7-4476-96bc-ab7afeebd9df/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:12:59,665 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c012bd5f-ccc7-4476-96bc-ab7afeebd9df/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:12:59,671 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c012bd5f-ccc7-4476-96bc-ab7afeebd9df/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-11-25 05:12:59,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:12:59,782 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:12:59,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:12:59,811 INFO L256 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-25 05:12:59,811 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:12:59,817 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 05:12:59,819 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c012bd5f-ccc7-4476-96bc-ab7afeebd9df/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (13)] Forceful destruction successful, exit code 0 [2024-11-25 05:12:59,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:12:59,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 94 states and 115 transitions. [2024-11-25 05:12:59,861 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 115 transitions. [2024-11-25 05:12:59,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-25 05:12:59,861 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:12:59,861 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:12:59,862 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c012bd5f-ccc7-4476-96bc-ab7afeebd9df/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:12:59,866 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c012bd5f-ccc7-4476-96bc-ab7afeebd9df/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:12:59,867 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c012bd5f-ccc7-4476-96bc-ab7afeebd9df/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-11-25 05:12:59,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:12:59,977 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:13:00,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:13:00,006 INFO L256 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-25 05:13:00,006 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:13:00,098 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 05:13:00,100 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c012bd5f-ccc7-4476-96bc-ab7afeebd9df/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (14)] Exception during sending of exit command (exit): Broken pipe [2024-11-25 05:13:00,101 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c012bd5f-ccc7-4476-96bc-ab7afeebd9df/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (14)] Forceful destruction successful, exit code 0 [2024-11-25 05:13:00,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:13:00,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 93 states and 114 transitions. [2024-11-25 05:13:00,470 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 114 transitions. [2024-11-25 05:13:00,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-25 05:13:00,470 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:13:00,471 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:13:00,471 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c012bd5f-ccc7-4476-96bc-ab7afeebd9df/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:13:00,473 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c012bd5f-ccc7-4476-96bc-ab7afeebd9df/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:13:00,478 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c012bd5f-ccc7-4476-96bc-ab7afeebd9df/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2024-11-25 05:13:00,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:13:00,608 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:13:00,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:13:00,635 INFO L256 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-25 05:13:00,636 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:13:00,673 INFO L349 Elim1Store]: treesize reduction 24, result has 33.3 percent of original size [2024-11-25 05:13:00,673 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 [2024-11-25 05:13:00,681 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 05:13:00,684 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c012bd5f-ccc7-4476-96bc-ab7afeebd9df/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2024-11-25 05:13:00,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:13:00,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 92 states and 113 transitions. [2024-11-25 05:13:00,723 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 113 transitions. [2024-11-25 05:13:00,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-25 05:13:00,724 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:13:00,724 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:13:00,724 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c012bd5f-ccc7-4476-96bc-ab7afeebd9df/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:13:00,726 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c012bd5f-ccc7-4476-96bc-ab7afeebd9df/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:13:00,729 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c012bd5f-ccc7-4476-96bc-ab7afeebd9df/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2024-11-25 05:13:00,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:13:00,865 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:13:00,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:13:00,889 INFO L256 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 05:13:00,891 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:13:00,899 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 [2024-11-25 05:13:00,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 05:13:00,964 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 [2024-11-25 05:13:00,978 INFO L349 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2024-11-25 05:13:00,978 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 [2024-11-25 05:13:00,992 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 05:13:00,994 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c012bd5f-ccc7-4476-96bc-ab7afeebd9df/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (16)] Exception during sending of exit command (exit): Broken pipe [2024-11-25 05:13:00,995 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c012bd5f-ccc7-4476-96bc-ab7afeebd9df/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (16)] Forceful destruction successful, exit code 0 [2024-11-25 05:13:01,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:13:01,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 94 states and 116 transitions. [2024-11-25 05:13:01,049 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 116 transitions. [2024-11-25 05:13:01,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-25 05:13:01,050 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:13:01,050 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:13:01,050 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c012bd5f-ccc7-4476-96bc-ab7afeebd9df/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:13:01,052 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c012bd5f-ccc7-4476-96bc-ab7afeebd9df/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:13:01,055 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c012bd5f-ccc7-4476-96bc-ab7afeebd9df/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2024-11-25 05:13:01,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:13:01,188 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:13:01,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:13:01,216 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-25 05:13:01,216 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:13:01,273 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 05:13:01,275 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c012bd5f-ccc7-4476-96bc-ab7afeebd9df/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2024-11-25 05:13:01,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:13:01,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 101 states and 129 transitions. [2024-11-25 05:13:01,780 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 129 transitions. [2024-11-25 05:13:01,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-25 05:13:01,781 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:13:01,781 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:13:01,781 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c012bd5f-ccc7-4476-96bc-ab7afeebd9df/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:13:01,783 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c012bd5f-ccc7-4476-96bc-ab7afeebd9df/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:13:01,786 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c012bd5f-ccc7-4476-96bc-ab7afeebd9df/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2024-11-25 05:13:01,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:13:01,920 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:13:01,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:13:01,945 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-25 05:13:01,947 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:13:01,957 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 [2024-11-25 05:13:02,031 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 05:13:02,034 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c012bd5f-ccc7-4476-96bc-ab7afeebd9df/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2024-11-25 05:13:02,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:13:02,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 108 states and 143 transitions. [2024-11-25 05:13:02,606 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 143 transitions. [2024-11-25 05:13:02,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-25 05:13:02,606 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:13:02,607 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:13:02,607 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c012bd5f-ccc7-4476-96bc-ab7afeebd9df/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:13:02,609 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c012bd5f-ccc7-4476-96bc-ab7afeebd9df/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:13:02,611 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c012bd5f-ccc7-4476-96bc-ab7afeebd9df/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2024-11-25 05:13:02,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:13:02,725 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:13:02,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:13:02,750 INFO L256 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-25 05:13:02,751 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:13:02,755 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 05:13:02,758 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c012bd5f-ccc7-4476-96bc-ab7afeebd9df/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2024-11-25 05:13:02,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:13:02,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 107 states and 142 transitions. [2024-11-25 05:13:02,817 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 142 transitions. [2024-11-25 05:13:02,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-25 05:13:02,817 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:13:02,818 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:13:02,818 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c012bd5f-ccc7-4476-96bc-ab7afeebd9df/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:13:02,822 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c012bd5f-ccc7-4476-96bc-ab7afeebd9df/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:13:02,825 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c012bd5f-ccc7-4476-96bc-ab7afeebd9df/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2024-11-25 05:13:02,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:13:02,948 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:13:02,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:13:02,984 INFO L256 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-25 05:13:02,985 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:13:02,995 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 05:13:02,999 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c012bd5f-ccc7-4476-96bc-ab7afeebd9df/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (20)] Forceful destruction successful, exit code 0 [2024-11-25 05:13:03,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:13:03,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 106 states and 141 transitions. [2024-11-25 05:13:03,051 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 141 transitions. [2024-11-25 05:13:03,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-25 05:13:03,053 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:13:03,053 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:13:03,053 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c012bd5f-ccc7-4476-96bc-ab7afeebd9df/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:13:03,056 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c012bd5f-ccc7-4476-96bc-ab7afeebd9df/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:13:03,060 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c012bd5f-ccc7-4476-96bc-ab7afeebd9df/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2024-11-25 05:13:03,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:13:03,185 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:13:03,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:13:03,211 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-25 05:13:03,212 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:13:03,222 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 05:13:03,225 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c012bd5f-ccc7-4476-96bc-ab7afeebd9df/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (21)] Forceful destruction successful, exit code 0 [2024-11-25 05:13:03,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:13:03,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 105 states and 140 transitions. [2024-11-25 05:13:03,264 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 140 transitions. [2024-11-25 05:13:03,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-25 05:13:03,264 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:13:03,264 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:13:03,264 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c012bd5f-ccc7-4476-96bc-ab7afeebd9df/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:13:03,267 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c012bd5f-ccc7-4476-96bc-ab7afeebd9df/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:13:03,268 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c012bd5f-ccc7-4476-96bc-ab7afeebd9df/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2024-11-25 05:13:03,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:13:03,402 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:13:03,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:13:03,430 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-25 05:13:03,431 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:13:03,437 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 [2024-11-25 05:13:03,499 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 05:13:03,502 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c012bd5f-ccc7-4476-96bc-ab7afeebd9df/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (22)] Forceful destruction successful, exit code 0 [2024-11-25 05:13:03,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:13:03,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 107 states and 145 transitions. [2024-11-25 05:13:03,553 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 145 transitions. [2024-11-25 05:13:03,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-25 05:13:03,554 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:13:03,554 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:13:03,554 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c012bd5f-ccc7-4476-96bc-ab7afeebd9df/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:13:03,557 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c012bd5f-ccc7-4476-96bc-ab7afeebd9df/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:13:03,560 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c012bd5f-ccc7-4476-96bc-ab7afeebd9df/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2024-11-25 05:13:03,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:13:03,689 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:13:03,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:13:03,722 INFO L256 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-25 05:13:03,723 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:13:03,729 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 05:13:03,732 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c012bd5f-ccc7-4476-96bc-ab7afeebd9df/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (23)] Forceful destruction successful, exit code 0 [2024-11-25 05:13:03,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:13:03,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 108 states and 146 transitions. [2024-11-25 05:13:03,761 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 146 transitions. [2024-11-25 05:13:03,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-25 05:13:03,762 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:13:03,762 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:13:03,762 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c012bd5f-ccc7-4476-96bc-ab7afeebd9df/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:13:03,767 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c012bd5f-ccc7-4476-96bc-ab7afeebd9df/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:13:03,771 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c012bd5f-ccc7-4476-96bc-ab7afeebd9df/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2024-11-25 05:13:03,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:13:03,909 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:13:03,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:13:03,935 INFO L256 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-25 05:13:03,936 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:13:04,062 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 05:13:04,065 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c012bd5f-ccc7-4476-96bc-ab7afeebd9df/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (24)] Ended with exit code 0 [2024-11-25 05:13:04,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:13:04,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 109 states and 148 transitions. [2024-11-25 05:13:04,524 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 148 transitions. [2024-11-25 05:13:04,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-25 05:13:04,525 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:13:04,525 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:13:04,525 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c012bd5f-ccc7-4476-96bc-ab7afeebd9df/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:13:04,530 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c012bd5f-ccc7-4476-96bc-ab7afeebd9df/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:13:04,533 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c012bd5f-ccc7-4476-96bc-ab7afeebd9df/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2024-11-25 05:13:04,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:13:04,676 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:13:04,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:13:04,705 INFO L256 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-25 05:13:04,706 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:13:04,712 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 [2024-11-25 05:13:04,792 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 19 treesize of output 1 [2024-11-25 05:13:04,878 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 [2024-11-25 05:13:04,889 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 05:13:04,892 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c012bd5f-ccc7-4476-96bc-ab7afeebd9df/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (25)] Ended with exit code 0 [2024-11-25 05:13:05,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:13:05,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 110 states and 149 transitions. [2024-11-25 05:13:05,934 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 149 transitions. [2024-11-25 05:13:05,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-25 05:13:05,934 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:13:05,934 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:13:05,934 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c012bd5f-ccc7-4476-96bc-ab7afeebd9df/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:13:05,937 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c012bd5f-ccc7-4476-96bc-ab7afeebd9df/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:13:05,939 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c012bd5f-ccc7-4476-96bc-ab7afeebd9df/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2024-11-25 05:13:06,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:13:06,107 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:13:06,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:13:06,138 INFO L256 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:13:06,139 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:13:06,146 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 [2024-11-25 05:13:06,259 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 19 treesize of output 1 [2024-11-25 05:13:06,266 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 13 treesize of output 9 [2024-11-25 05:13:06,386 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 21 treesize of output 9 [2024-11-25 05:13:06,406 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 05:13:06,409 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c012bd5f-ccc7-4476-96bc-ab7afeebd9df/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (26)] Ended with exit code 0 [2024-11-25 05:13:07,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:13:07,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 98 states and 132 transitions. [2024-11-25 05:13:07,511 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 132 transitions. [2024-11-25 05:13:07,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-25 05:13:07,512 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:13:07,512 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:13:07,512 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c012bd5f-ccc7-4476-96bc-ab7afeebd9df/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:13:07,514 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c012bd5f-ccc7-4476-96bc-ab7afeebd9df/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:13:07,516 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c012bd5f-ccc7-4476-96bc-ab7afeebd9df/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2024-11-25 05:13:07,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:13:07,672 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:13:07,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:13:07,696 INFO L256 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:13:07,697 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:13:07,832 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 [2024-11-25 05:13:07,955 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 0 case distinctions, treesize of input 27 treesize of output 11 [2024-11-25 05:13:08,171 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 05:13:08,175 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c012bd5f-ccc7-4476-96bc-ab7afeebd9df/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (27)] Ended with exit code 0 [2024-11-25 05:13:09,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:13:09,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 101 states and 139 transitions. [2024-11-25 05:13:09,727 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 139 transitions. [2024-11-25 05:13:09,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-25 05:13:09,728 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:13:09,728 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:13:09,728 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c012bd5f-ccc7-4476-96bc-ab7afeebd9df/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:13:09,731 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c012bd5f-ccc7-4476-96bc-ab7afeebd9df/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:13:09,736 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c012bd5f-ccc7-4476-96bc-ab7afeebd9df/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2024-11-25 05:13:09,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:13:09,896 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:13:09,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:13:09,922 INFO L256 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-25 05:13:09,925 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:13:09,933 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 [2024-11-25 05:13:09,958 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 19 treesize of output 1 [2024-11-25 05:13:09,968 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 13 treesize of output 9 [2024-11-25 05:13:09,989 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 21 treesize of output 9 [2024-11-25 05:13:10,005 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 05:13:10,007 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c012bd5f-ccc7-4476-96bc-ab7afeebd9df/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (28)] Ended with exit code 0 [2024-11-25 05:13:11,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:13:11,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 92 states and 122 transitions. [2024-11-25 05:13:11,191 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 122 transitions. [2024-11-25 05:13:11,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-25 05:13:11,191 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:13:11,192 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:13:11,192 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c012bd5f-ccc7-4476-96bc-ab7afeebd9df/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:13:11,197 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c012bd5f-ccc7-4476-96bc-ab7afeebd9df/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:13:11,199 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c012bd5f-ccc7-4476-96bc-ab7afeebd9df/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2024-11-25 05:13:11,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:13:11,384 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:13:11,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:13:11,414 INFO L256 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-25 05:13:11,415 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:13:11,421 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 [2024-11-25 05:13:11,437 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 19 treesize of output 1 [2024-11-25 05:13:11,444 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 [2024-11-25 05:13:11,453 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 05:13:11,456 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c012bd5f-ccc7-4476-96bc-ab7afeebd9df/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (29)] Forceful destruction successful, exit code 0 [2024-11-25 05:13:12,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:13:12,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 84 states and 114 transitions. [2024-11-25 05:13:12,160 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 114 transitions. [2024-11-25 05:13:12,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-25 05:13:12,160 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:13:12,161 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:13:12,161 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c012bd5f-ccc7-4476-96bc-ab7afeebd9df/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:13:12,163 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c012bd5f-ccc7-4476-96bc-ab7afeebd9df/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:13:12,166 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c012bd5f-ccc7-4476-96bc-ab7afeebd9df/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2024-11-25 05:13:12,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:13:12,323 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:13:12,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:13:12,346 INFO L256 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-25 05:13:12,347 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:13:12,357 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 05:13:12,360 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c012bd5f-ccc7-4476-96bc-ab7afeebd9df/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (30)] Forceful destruction successful, exit code 0 [2024-11-25 05:13:12,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:13:12,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 83 states and 113 transitions. [2024-11-25 05:13:12,386 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 113 transitions. [2024-11-25 05:13:12,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-25 05:13:12,386 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:13:12,386 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:13:12,386 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c012bd5f-ccc7-4476-96bc-ab7afeebd9df/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:13:12,390 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c012bd5f-ccc7-4476-96bc-ab7afeebd9df/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:13:12,391 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c012bd5f-ccc7-4476-96bc-ab7afeebd9df/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2024-11-25 05:13:12,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:13:12,540 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:13:12,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:13:12,561 INFO L256 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-25 05:13:12,562 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:13:12,597 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 05:13:12,599 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c012bd5f-ccc7-4476-96bc-ab7afeebd9df/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (31)] Ended with exit code 0 [2024-11-25 05:13:12,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:13:12,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 82 states and 112 transitions. [2024-11-25 05:13:12,629 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 112 transitions. [2024-11-25 05:13:12,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-25 05:13:12,629 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:13:12,629 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:13:12,629 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c012bd5f-ccc7-4476-96bc-ab7afeebd9df/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:13:12,631 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c012bd5f-ccc7-4476-96bc-ab7afeebd9df/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:13:12,633 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c012bd5f-ccc7-4476-96bc-ab7afeebd9df/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2024-11-25 05:13:12,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:13:12,789 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:13:12,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:13:12,811 INFO L256 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-25 05:13:12,811 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:13:12,820 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 05:13:12,823 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c012bd5f-ccc7-4476-96bc-ab7afeebd9df/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (32)] Ended with exit code 0 [2024-11-25 05:13:12,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:13:12,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 81 states and 111 transitions. [2024-11-25 05:13:12,857 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 111 transitions. [2024-11-25 05:13:12,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-25 05:13:12,857 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:13:12,857 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:13:12,857 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c012bd5f-ccc7-4476-96bc-ab7afeebd9df/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:13:12,859 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c012bd5f-ccc7-4476-96bc-ab7afeebd9df/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:13:12,860 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c012bd5f-ccc7-4476-96bc-ab7afeebd9df/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (33)] Waiting until timeout for monitored process [2024-11-25 05:13:13,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:13:13,029 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:13:13,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:13:13,056 INFO L256 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-25 05:13:13,057 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:13:13,064 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 [2024-11-25 05:13:13,124 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 05:13:13,126 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c012bd5f-ccc7-4476-96bc-ab7afeebd9df/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (33)] Ended with exit code 0 [2024-11-25 05:13:13,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:13:13,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 84 states and 119 transitions. [2024-11-25 05:13:13,481 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 119 transitions. [2024-11-25 05:13:13,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-25 05:13:13,481 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:13:13,481 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:13:13,481 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c012bd5f-ccc7-4476-96bc-ab7afeebd9df/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:13:13,483 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c012bd5f-ccc7-4476-96bc-ab7afeebd9df/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:13:13,484 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c012bd5f-ccc7-4476-96bc-ab7afeebd9df/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2024-11-25 05:13:13,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:13:13,674 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:13:13,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:13:13,698 INFO L256 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:13:13,699 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:13:13,738 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 [2024-11-25 05:13:13,747 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 0 case distinctions, treesize of input 27 treesize of output 11 [2024-11-25 05:13:13,877 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 05:13:13,880 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c012bd5f-ccc7-4476-96bc-ab7afeebd9df/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (34)] Ended with exit code 0 [2024-11-25 05:13:14,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:13:14,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 86 states and 124 transitions. [2024-11-25 05:13:14,851 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 124 transitions. [2024-11-25 05:13:14,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-25 05:13:14,851 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:13:14,851 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:13:14,851 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c012bd5f-ccc7-4476-96bc-ab7afeebd9df/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:13:14,856 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c012bd5f-ccc7-4476-96bc-ab7afeebd9df/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:13:14,860 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c012bd5f-ccc7-4476-96bc-ab7afeebd9df/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (35)] Waiting until timeout for monitored process [2024-11-25 05:13:15,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:13:15,078 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:13:15,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:13:15,114 INFO L256 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-25 05:13:15,115 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:13:15,145 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 05:13:15,148 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c012bd5f-ccc7-4476-96bc-ab7afeebd9df/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (35)] Exception during sending of exit command (exit): Broken pipe [2024-11-25 05:13:15,149 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c012bd5f-ccc7-4476-96bc-ab7afeebd9df/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (35)] Forceful destruction successful, exit code 0 [2024-11-25 05:13:16,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:13:16,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 93 states and 134 transitions. [2024-11-25 05:13:16,890 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 134 transitions. [2024-11-25 05:13:16,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-25 05:13:16,891 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:13:16,891 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:13:16,891 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c012bd5f-ccc7-4476-96bc-ab7afeebd9df/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:13:16,893 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c012bd5f-ccc7-4476-96bc-ab7afeebd9df/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:13:16,895 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c012bd5f-ccc7-4476-96bc-ab7afeebd9df/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (36)] Waiting until timeout for monitored process [2024-11-25 05:13:17,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:13:17,113 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:13:17,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:13:17,145 INFO L256 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-25 05:13:17,146 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:13:17,796 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 05:13:17,799 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c012bd5f-ccc7-4476-96bc-ab7afeebd9df/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (36)] Ended with exit code 0 [2024-11-25 05:13:21,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:13:21,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 99 states and 145 transitions. [2024-11-25 05:13:21,094 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 145 transitions. [2024-11-25 05:13:21,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-25 05:13:21,094 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:13:21,094 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:13:21,094 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c012bd5f-ccc7-4476-96bc-ab7afeebd9df/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:13:21,096 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c012bd5f-ccc7-4476-96bc-ab7afeebd9df/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:13:21,098 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c012bd5f-ccc7-4476-96bc-ab7afeebd9df/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (37)] Waiting until timeout for monitored process [2024-11-25 05:13:21,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:13:21,302 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:13:21,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:13:21,337 INFO L256 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-25 05:13:21,338 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:13:21,420 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 05:13:21,424 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c012bd5f-ccc7-4476-96bc-ab7afeebd9df/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (37)] Ended with exit code 0 [2024-11-25 05:13:22,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:13:22,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 102 states and 149 transitions. [2024-11-25 05:13:22,028 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 149 transitions. [2024-11-25 05:13:22,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-25 05:13:22,029 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:13:22,029 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:13:22,029 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c012bd5f-ccc7-4476-96bc-ab7afeebd9df/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:13:22,031 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c012bd5f-ccc7-4476-96bc-ab7afeebd9df/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:13:22,032 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c012bd5f-ccc7-4476-96bc-ab7afeebd9df/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (38)] Waiting until timeout for monitored process [2024-11-25 05:13:22,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:13:22,237 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:13:22,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:13:22,268 INFO L256 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-25 05:13:22,268 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:13:22,292 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 05:13:22,294 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c012bd5f-ccc7-4476-96bc-ab7afeebd9df/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (38)] Ended with exit code 0 [2024-11-25 05:13:22,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:13:22,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 108 states and 157 transitions. [2024-11-25 05:13:22,442 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 157 transitions. [2024-11-25 05:13:22,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-25 05:13:22,443 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:13:22,443 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:13:22,443 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c012bd5f-ccc7-4476-96bc-ab7afeebd9df/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:13:22,445 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c012bd5f-ccc7-4476-96bc-ab7afeebd9df/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:13:22,446 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c012bd5f-ccc7-4476-96bc-ab7afeebd9df/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (39)] Waiting until timeout for monitored process [2024-11-25 05:13:22,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:13:22,680 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:13:22,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:13:22,715 INFO L256 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-25 05:13:22,716 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:13:22,805 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 05:13:22,809 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c012bd5f-ccc7-4476-96bc-ab7afeebd9df/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (39)] Ended with exit code 0 [2024-11-25 05:13:22,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:13:22,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 112 states and 163 transitions. [2024-11-25 05:13:22,993 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 163 transitions. [2024-11-25 05:13:22,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-25 05:13:22,993 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:13:22,993 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:13:22,993 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c012bd5f-ccc7-4476-96bc-ab7afeebd9df/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:13:22,997 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c012bd5f-ccc7-4476-96bc-ab7afeebd9df/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:13:23,000 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c012bd5f-ccc7-4476-96bc-ab7afeebd9df/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (40)] Waiting until timeout for monitored process [2024-11-25 05:13:23,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:13:23,232 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:13:23,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:13:23,267 INFO L256 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-25 05:13:23,268 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:13:23,357 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 05:13:23,361 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c012bd5f-ccc7-4476-96bc-ab7afeebd9df/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (40)] Ended with exit code 0 [2024-11-25 05:13:23,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:13:23,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 114 states and 165 transitions. [2024-11-25 05:13:23,413 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 165 transitions. [2024-11-25 05:13:23,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-25 05:13:23,414 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:13:23,414 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:13:23,414 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c012bd5f-ccc7-4476-96bc-ab7afeebd9df/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:13:23,416 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c012bd5f-ccc7-4476-96bc-ab7afeebd9df/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:13:23,418 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c012bd5f-ccc7-4476-96bc-ab7afeebd9df/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (41)] Waiting until timeout for monitored process [2024-11-25 05:13:23,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 05:13:23,651 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 05:13:23,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 05:13:23,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 05:13:23,787 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 05:13:23,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 05:13:23,839 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c012bd5f-ccc7-4476-96bc-ab7afeebd9df/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (41)] Ended with exit code 0 [2024-11-25 05:13:23,840 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 40 iterations. [2024-11-25 05:13:23,873 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 05:13:23 ImpRootNode [2024-11-25 05:13:23,873 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 05:13:23,873 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 05:13:23,874 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 05:13:23,874 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 05:13:23,875 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:12:56" (3/4) ... [2024-11-25 05:13:23,878 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-25 05:13:23,879 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 05:13:23,880 INFO L158 Benchmark]: Toolchain (without parser) took 28788.70ms. Allocated memory is still 117.4MB. Free memory was 94.2MB in the beginning and 80.7MB in the end (delta: 13.5MB). Peak memory consumption was 10.8MB. Max. memory is 16.1GB. [2024-11-25 05:13:23,880 INFO L158 Benchmark]: CDTParser took 0.60ms. Allocated memory is still 83.9MB. Free memory is still 49.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 05:13:23,880 INFO L158 Benchmark]: CACSL2BoogieTranslator took 539.98ms. Allocated memory is still 117.4MB. Free memory was 94.0MB in the beginning and 75.9MB in the end (delta: 18.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 05:13:23,881 INFO L158 Benchmark]: Boogie Procedure Inliner took 75.15ms. Allocated memory is still 117.4MB. Free memory was 75.9MB in the beginning and 73.9MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 05:13:23,881 INFO L158 Benchmark]: Boogie Preprocessor took 34.51ms. Allocated memory is still 117.4MB. Free memory was 73.9MB in the beginning and 72.3MB in the end (delta: 1.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 05:13:23,882 INFO L158 Benchmark]: RCFGBuilder took 815.40ms. Allocated memory is still 117.4MB. Free memory was 72.3MB in the beginning and 39.5MB in the end (delta: 32.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-25 05:13:23,883 INFO L158 Benchmark]: CodeCheck took 27311.85ms. Allocated memory is still 117.4MB. Free memory was 39.4MB in the beginning and 80.7MB in the end (delta: -41.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 05:13:23,883 INFO L158 Benchmark]: Witness Printer took 5.55ms. Allocated memory is still 117.4MB. Free memory was 80.7MB in the beginning and 80.7MB in the end (delta: 21.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 05:13:23,884 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, 80 locations, 38 error locations. Started 1 CEGAR loops. OverallTime: 27.2s, OverallIterations: 40, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3401 SdHoareTripleChecker+Valid, 32.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2596 mSDsluCounter, 2212 SdHoareTripleChecker+Invalid, 27.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1324 mSDsCounter, 2643 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 9225 IncrementalHoareTripleChecker+Invalid, 11868 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2643 mSolverCounterUnsat, 888 mSDtfsCounter, 9225 mSolverCounterSat, 0.4s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3605 GetRequests, 3351 SyntacticMatches, 102 SemanticMatches, 152 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9327 ImplicationChecksByTransitivity, 15.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.3s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 3.7s InterpolantComputationTime, 422 NumberOfCodeBlocks, 422 NumberOfCodeBlocksAsserted, 40 NumberOfCheckSat, 367 ConstructedInterpolants, 0 QuantifiedInterpolants, 2109 SizeOfPredicates, 66 NumberOfNonLiveVariables, 2590 ConjunctsInSsa, 203 ConjunctsInUnsatCore, 39 InterpolantComputations, 33 PerfectInterpolantSequences, 14/26 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, ConComCheckerStatistics: No data available - UnprovableResult [Line: 12]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 12. Possible FailurePath: [L532] int i = 0; [L533] int y = 0; [L534] List a = (List) malloc(sizeof(struct node)); [L535] COND FALSE !(a == 0) [L536] List t; [L537] List p = a; VAL [a={3:0}, i=0, p={3:0}, y=0] [L538] i < 10 && __VERIFIER_nondet_int() [L538] i < 10 && __VERIFIER_nondet_int() VAL [a={3:0}, i=0, p={3:0}, y=0] [L538] COND FALSE !(i < 10 && __VERIFIER_nondet_int()) [L546] y < 10 && __VERIFIER_nondet_int() [L546] y < 10 && __VERIFIER_nondet_int() VAL [a={3:0}, i=0, p={3:0}, y=0] [L546] COND FALSE !(y < 10 && __VERIFIER_nondet_int()) [L554] p->h = 3 VAL [a={3:0}, i=0, p={3:0}, y=0] [L555] p->n = 0 [L556] i = 0 [L557] y = 0 [L558] p = a VAL [a={3:0}, i=0, p={3:0}, y=0] [L559] EXPR p->h VAL [a={3:0}, i=0, p={3:0}, y=0] [L559] COND FALSE !(p->h == 1) [L563] EXPR p->h VAL [a={3:0}, i=0, p={3:0}, y=0] [L563] COND FALSE !(p->h == 2) [L567] EXPR p->h VAL [a={3:0}, i=0, y=0] [L567] COND TRUE p->h != 3 || (i + y) < 20 [L568] CALL reach_error() [L12] COND FALSE !(0) [L12] __assert_fail ("0", "list-ext.c", 3, __extension__ __PRETTY_FUNCTION__) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.60ms. Allocated memory is still 83.9MB. Free memory is still 49.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 539.98ms. Allocated memory is still 117.4MB. Free memory was 94.0MB in the beginning and 75.9MB in the end (delta: 18.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 75.15ms. Allocated memory is still 117.4MB. Free memory was 75.9MB in the beginning and 73.9MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 34.51ms. Allocated memory is still 117.4MB. Free memory was 73.9MB in the beginning and 72.3MB in the end (delta: 1.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 815.40ms. Allocated memory is still 117.4MB. Free memory was 72.3MB in the beginning and 39.5MB in the end (delta: 32.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * CodeCheck took 27311.85ms. Allocated memory is still 117.4MB. Free memory was 39.4MB in the beginning and 80.7MB in the end (delta: -41.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.55ms. Allocated memory is still 117.4MB. Free memory was 80.7MB in the beginning and 80.7MB in the end (delta: 21.1kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-25 05:13:23,905 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c012bd5f-ccc7-4476-96bc-ab7afeebd9df/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample