./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test6_1.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_2fb057b5-e306-4eaf-9814-988d95c9e6e1/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb057b5-e306-4eaf-9814-988d95c9e6e1/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb057b5-e306-4eaf-9814-988d95c9e6e1/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb057b5-e306-4eaf-9814-988d95c9e6e1/bin/ukojak-verify-CZk0znPC7b/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test6_1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb057b5-e306-4eaf-9814-988d95c9e6e1/bin/ukojak-verify-CZk0znPC7b/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb057b5-e306-4eaf-9814-988d95c9e6e1/bin/ukojak-verify-CZk0znPC7b --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 bd16a09b8249550fe27ec1d3745982255d6ee9946403f6860cbcc4680185e804 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 03:09:21,800 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 03:09:21,859 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb057b5-e306-4eaf-9814-988d95c9e6e1/bin/ukojak-verify-CZk0znPC7b/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2024-12-06 03:09:21,863 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 03:09:21,864 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 03:09:21,884 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 03:09:21,885 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 03:09:21,885 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 03:09:21,885 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 03:09:21,885 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 03:09:21,886 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 03:09:21,886 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 03:09:21,886 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 03:09:21,886 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-12-06 03:09:21,886 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-12-06 03:09:21,886 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-12-06 03:09:21,886 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 03:09:21,886 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 03:09:21,886 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 03:09:21,886 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 03:09:21,887 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 03:09:21,887 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 03:09:21,887 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 03:09:21,887 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 03:09:21,887 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 03:09:21,887 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:09:21,887 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 03:09:21,887 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 03:09:21,887 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 03:09:21,888 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 03:09:21,888 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_2fb057b5-e306-4eaf-9814-988d95c9e6e1/bin/ukojak-verify-CZk0znPC7b 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 -> bd16a09b8249550fe27ec1d3745982255d6ee9946403f6860cbcc4680185e804 [2024-12-06 03:09:22,114 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 03:09:22,121 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 03:09:22,123 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 03:09:22,124 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 03:09:22,125 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 03:09:22,126 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb057b5-e306-4eaf-9814-988d95c9e6e1/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/ldv-memsafety/memleaks_test6_1.i [2024-12-06 03:09:24,728 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb057b5-e306-4eaf-9814-988d95c9e6e1/bin/ukojak-verify-CZk0znPC7b/data/df7e4e88d/ca9f568beab248f69cf126733afbdfeb/FLAG2c8bcdf66 [2024-12-06 03:09:24,989 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 03:09:24,990 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb057b5-e306-4eaf-9814-988d95c9e6e1/sv-benchmarks/c/ldv-memsafety/memleaks_test6_1.i [2024-12-06 03:09:25,002 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb057b5-e306-4eaf-9814-988d95c9e6e1/bin/ukojak-verify-CZk0znPC7b/data/df7e4e88d/ca9f568beab248f69cf126733afbdfeb/FLAG2c8bcdf66 [2024-12-06 03:09:25,302 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb057b5-e306-4eaf-9814-988d95c9e6e1/bin/ukojak-verify-CZk0znPC7b/data/df7e4e88d/ca9f568beab248f69cf126733afbdfeb [2024-12-06 03:09:25,304 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 03:09:25,305 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 03:09:25,306 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 03:09:25,306 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 03:09:25,310 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 03:09:25,311 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:09:25" (1/1) ... [2024-12-06 03:09:25,312 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c2fbfb7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:09:25, skipping insertion in model container [2024-12-06 03:09:25,312 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:09:25" (1/1) ... [2024-12-06 03:09:25,341 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 03:09:25,591 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:09:25,601 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 03:09:25,656 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:09:25,692 INFO L204 MainTranslator]: Completed translation [2024-12-06 03:09:25,693 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:09:25 WrapperNode [2024-12-06 03:09:25,693 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 03:09:25,694 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 03:09:25,694 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 03:09:25,694 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 03:09:25,700 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:09:25" (1/1) ... [2024-12-06 03:09:25,716 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:09:25" (1/1) ... [2024-12-06 03:09:25,733 INFO L138 Inliner]: procedures = 168, calls = 79, calls flagged for inlining = 33, calls inlined = 8, statements flattened = 82 [2024-12-06 03:09:25,733 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 03:09:25,734 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 03:09:25,734 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 03:09:25,734 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 03:09:25,741 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:09:25" (1/1) ... [2024-12-06 03:09:25,741 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:09:25" (1/1) ... [2024-12-06 03:09:25,743 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:09:25" (1/1) ... [2024-12-06 03:09:25,744 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:09:25" (1/1) ... [2024-12-06 03:09:25,751 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:09:25" (1/1) ... [2024-12-06 03:09:25,751 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:09:25" (1/1) ... [2024-12-06 03:09:25,754 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:09:25" (1/1) ... [2024-12-06 03:09:25,755 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:09:25" (1/1) ... [2024-12-06 03:09:25,756 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:09:25" (1/1) ... [2024-12-06 03:09:25,759 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 03:09:25,760 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 03:09:25,760 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 03:09:25,760 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 03:09:25,761 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:09:25" (1/1) ... [2024-12-06 03:09:25,766 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:09:25,777 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb057b5-e306-4eaf-9814-988d95c9e6e1/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 03:09:25,790 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb057b5-e306-4eaf-9814-988d95c9e6e1/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 03:09:25,792 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb057b5-e306-4eaf-9814-988d95c9e6e1/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 03:09:25,818 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-12-06 03:09:25,818 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 03:09:25,818 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-12-06 03:09:25,818 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-12-06 03:09:25,818 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-06 03:09:25,818 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-12-06 03:09:25,818 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 03:09:25,819 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 03:09:25,919 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 03:09:25,920 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 03:09:26,073 INFO L? ?]: Removed 43 outVars from TransFormulas that were not future-live. [2024-12-06 03:09:26,073 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 03:09:26,122 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 03:09:26,122 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-06 03:09:26,122 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:09:26 BoogieIcfgContainer [2024-12-06 03:09:26,122 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 03:09:26,123 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 03:09:26,123 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 03:09:26,133 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 03:09:26,133 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:09:26" (1/1) ... [2024-12-06 03:09:26,141 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 03:09:26,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:09:26,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 30 states and 33 transitions. [2024-12-06 03:09:26,186 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 33 transitions. [2024-12-06 03:09:26,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 03:09:26,188 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:09:26,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:09:26,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:09:26,355 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:09:26,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:09:26,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 29 states and 32 transitions. [2024-12-06 03:09:26,393 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 32 transitions. [2024-12-06 03:09:26,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-06 03:09:26,393 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:09:26,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:09:26,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:09:26,521 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:09:26,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:09:26,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 28 states and 31 transitions. [2024-12-06 03:09:26,693 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 31 transitions. [2024-12-06 03:09:26,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-06 03:09:26,693 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:09:26,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:09:26,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:09:26,866 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:09:27,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:09:27,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 27 states and 30 transitions. [2024-12-06 03:09:27,144 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 30 transitions. [2024-12-06 03:09:27,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-06 03:09:27,144 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:09:27,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:09:27,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:09:27,313 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:09:27,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:09:27,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 26 states and 29 transitions. [2024-12-06 03:09:27,860 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 29 transitions. [2024-12-06 03:09:27,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-06 03:09:27,860 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:09:27,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:09:27,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:09:27,951 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:09:28,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:09:28,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 29 states and 37 transitions. [2024-12-06 03:09:28,208 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 37 transitions. [2024-12-06 03:09:28,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-06 03:09:28,209 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:09:28,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:09:28,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:09:28,349 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:09:28,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:09:28,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 32 states and 45 transitions. [2024-12-06 03:09:28,787 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 45 transitions. [2024-12-06 03:09:28,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-06 03:09:28,789 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:09:28,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:09:28,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:09:29,001 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:09:29,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:09:29,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 35 states and 54 transitions. [2024-12-06 03:09:29,598 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 54 transitions. [2024-12-06 03:09:29,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-06 03:09:29,599 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:09:29,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:09:29,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:09:29,745 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:09:30,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:09:30,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 37 states and 57 transitions. [2024-12-06 03:09:30,624 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 57 transitions. [2024-12-06 03:09:30,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-06 03:09:30,624 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:09:30,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:09:30,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:09:30,723 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:09:31,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:09:31,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 56 transitions. [2024-12-06 03:09:31,798 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 56 transitions. [2024-12-06 03:09:31,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-06 03:09:31,798 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:09:31,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:09:31,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:09:31,948 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:09:33,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:09:33,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 40 states and 64 transitions. [2024-12-06 03:09:33,076 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 64 transitions. [2024-12-06 03:09:33,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 03:09:33,077 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:09:33,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:09:33,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:09:33,196 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:09:34,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:09:34,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 40 states and 63 transitions. [2024-12-06 03:09:34,185 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 63 transitions. [2024-12-06 03:09:34,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 03:09:34,185 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:09:34,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:09:34,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:09:34,353 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:09:35,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:09:35,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 40 states and 62 transitions. [2024-12-06 03:09:35,394 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 62 transitions. [2024-12-06 03:09:35,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 03:09:35,394 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:09:35,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:09:35,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:09:35,567 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:09:36,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:09:36,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 42 states and 66 transitions. [2024-12-06 03:09:36,141 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 66 transitions. [2024-12-06 03:09:36,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 03:09:36,141 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:09:36,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:09:36,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:09:36,161 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:09:36,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:09:36,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 44 states and 70 transitions. [2024-12-06 03:09:36,819 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 70 transitions. [2024-12-06 03:09:36,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 03:09:36,819 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:09:36,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:09:36,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 03:09:36,829 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 03:09:36,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 03:09:36,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 03:09:36,879 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 03:09:36,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 03:09:36,903 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 15 iterations. [2024-12-06 03:09:36,923 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 03:09:36 ImpRootNode [2024-12-06 03:09:36,923 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 03:09:36,924 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 03:09:36,924 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 03:09:36,924 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 03:09:36,925 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:09:26" (3/4) ... [2024-12-06 03:09:36,926 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-06 03:09:36,927 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 03:09:36,928 INFO L158 Benchmark]: Toolchain (without parser) took 11622.29ms. Allocated memory was 142.6MB in the beginning and 293.6MB in the end (delta: 151.0MB). Free memory was 115.7MB in the beginning and 104.3MB in the end (delta: 11.4MB). Peak memory consumption was 160.2MB. Max. memory is 16.1GB. [2024-12-06 03:09:36,928 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 142.6MB. Free memory is still 83.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:09:36,928 INFO L158 Benchmark]: CACSL2BoogieTranslator took 387.04ms. Allocated memory is still 142.6MB. Free memory was 115.4MB in the beginning and 93.4MB in the end (delta: 22.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-12-06 03:09:36,928 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.64ms. Allocated memory is still 142.6MB. Free memory was 93.4MB in the beginning and 91.4MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:09:36,929 INFO L158 Benchmark]: Boogie Preprocessor took 25.39ms. Allocated memory is still 142.6MB. Free memory was 91.4MB in the beginning and 90.3MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:09:36,929 INFO L158 Benchmark]: RCFGBuilder took 362.94ms. Allocated memory is still 142.6MB. Free memory was 90.0MB in the beginning and 72.1MB in the end (delta: 17.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 03:09:36,929 INFO L158 Benchmark]: CodeCheck took 10800.29ms. Allocated memory was 142.6MB in the beginning and 293.6MB in the end (delta: 151.0MB). Free memory was 72.1MB in the beginning and 104.3MB in the end (delta: -32.2MB). Peak memory consumption was 118.2MB. Max. memory is 16.1GB. [2024-12-06 03:09:36,930 INFO L158 Benchmark]: Witness Printer took 2.94ms. Allocated memory is still 293.6MB. Free memory was 104.3MB in the beginning and 104.3MB in the end (delta: 37.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:09:36,931 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, 30 locations, 13 error locations. Started 1 CEGAR loops. OverallTime: 10.8s, OverallIterations: 15, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 511 SdHoareTripleChecker+Valid, 3.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 474 mSDsluCounter, 758 SdHoareTripleChecker+Invalid, 2.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 620 mSDsCounter, 537 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2125 IncrementalHoareTripleChecker+Invalid, 2662 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 537 mSolverCounterUnsat, 138 mSDtfsCounter, 2125 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 869 GetRequests, 686 SyntacticMatches, 3 SemanticMatches, 180 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12361 ImplicationChecksByTransitivity, 9.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 87 NumberOfCodeBlocks, 87 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 65 ConstructedInterpolants, 0 QuantifiedInterpolants, 428 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 14 InterpolantComputations, 14 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - UnprovableResult [Line: 791]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 791. Possible FailurePath: [L569] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; [L783] struct A a6; [L792] CALL entry_point() [L785] CALL, EXPR probe2_6(&a6) [L764] int ret = - -3; [L765] CALL, EXPR ldv_malloc(sizeof(int)) [L526] COND TRUE __VERIFIER_nondet_int() [L527] return malloc(size); [L765] RET, EXPR ldv_malloc(sizeof(int)) [L765] int *p = (int *)ldv_malloc(sizeof(int)); [L766] COND FALSE !(p==0) [L768] CALL, EXPR f6() [L758] return __VERIFIER_nondet_int(); [L768] RET, EXPR f6() [L768] ret = f6() [L769] COND FALSE !(ret<0) [L771] CALL, EXPR g6() [L761] return __VERIFIER_nondet_int(); [L771] RET, EXPR g6() [L771] ret = g6() [L772] COND TRUE ret<0 [L773] return ret; VAL [\result=-1, a6={2:0}, a={2:0}, ldv_global_msg_list={1:0}, p={-1:0}] [L785] RET, EXPR probe2_6(&a6) [L785] int ret = probe2_6(&a6); [L786] COND FALSE !(ret==0) VAL [a6={2:0}, ldv_global_msg_list={1:0}] [L789] a6.p = 0 [L792] RET entry_point() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 142.6MB. Free memory is still 83.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 387.04ms. Allocated memory is still 142.6MB. Free memory was 115.4MB in the beginning and 93.4MB in the end (delta: 22.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.64ms. Allocated memory is still 142.6MB. Free memory was 93.4MB in the beginning and 91.4MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 25.39ms. Allocated memory is still 142.6MB. Free memory was 91.4MB in the beginning and 90.3MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 362.94ms. Allocated memory is still 142.6MB. Free memory was 90.0MB in the beginning and 72.1MB in the end (delta: 17.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 10800.29ms. Allocated memory was 142.6MB in the beginning and 293.6MB in the end (delta: 151.0MB). Free memory was 72.1MB in the beginning and 104.3MB in the end (delta: -32.2MB). Peak memory consumption was 118.2MB. Max. memory is 16.1GB. * Witness Printer took 2.94ms. Allocated memory is still 293.6MB. Free memory was 104.3MB in the beginning and 104.3MB in the end (delta: 37.5kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-12-06 03:09:36,946 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb057b5-e306-4eaf-9814-988d95c9e6e1/bin/ukojak-verify-CZk0znPC7b/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_2fb057b5-e306-4eaf-9814-988d95c9e6e1/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb057b5-e306-4eaf-9814-988d95c9e6e1/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb057b5-e306-4eaf-9814-988d95c9e6e1/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb057b5-e306-4eaf-9814-988d95c9e6e1/bin/ukojak-verify-CZk0znPC7b/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test6_1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb057b5-e306-4eaf-9814-988d95c9e6e1/bin/ukojak-verify-CZk0znPC7b/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb057b5-e306-4eaf-9814-988d95c9e6e1/bin/ukojak-verify-CZk0znPC7b --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 bd16a09b8249550fe27ec1d3745982255d6ee9946403f6860cbcc4680185e804 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 03:09:38,892 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 03:09:38,965 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb057b5-e306-4eaf-9814-988d95c9e6e1/bin/ukojak-verify-CZk0znPC7b/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf [2024-12-06 03:09:38,997 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 03:09:38,998 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 03:09:38,998 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 03:09:38,998 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 03:09:38,998 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 03:09:38,998 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 03:09:38,998 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 03:09:38,998 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 03:09:38,999 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-12-06 03:09:38,999 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-12-06 03:09:38,999 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-12-06 03:09:38,999 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 03:09:38,999 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 03:09:38,999 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 03:09:38,999 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 03:09:38,999 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 03:09:38,999 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 03:09:38,999 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 03:09:38,999 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 03:09:38,999 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 03:09:39,000 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 03:09:39,000 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 03:09:39,000 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 03:09:39,000 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 03:09:39,000 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 03:09:39,000 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:09:39,000 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 03:09:39,000 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 03:09:39,000 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 03:09:39,001 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 03:09:39,001 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 03:09:39,001 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_2fb057b5-e306-4eaf-9814-988d95c9e6e1/bin/ukojak-verify-CZk0znPC7b 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 -> bd16a09b8249550fe27ec1d3745982255d6ee9946403f6860cbcc4680185e804 [2024-12-06 03:09:39,233 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 03:09:39,242 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 03:09:39,244 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 03:09:39,245 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 03:09:39,246 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 03:09:39,247 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb057b5-e306-4eaf-9814-988d95c9e6e1/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/ldv-memsafety/memleaks_test6_1.i [2024-12-06 03:09:41,936 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb057b5-e306-4eaf-9814-988d95c9e6e1/bin/ukojak-verify-CZk0znPC7b/data/d93019dd9/6c815c710e164ad283c810862a373f90/FLAG00d261388 [2024-12-06 03:09:42,163 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 03:09:42,164 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb057b5-e306-4eaf-9814-988d95c9e6e1/sv-benchmarks/c/ldv-memsafety/memleaks_test6_1.i [2024-12-06 03:09:42,175 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb057b5-e306-4eaf-9814-988d95c9e6e1/bin/ukojak-verify-CZk0znPC7b/data/d93019dd9/6c815c710e164ad283c810862a373f90/FLAG00d261388 [2024-12-06 03:09:42,189 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb057b5-e306-4eaf-9814-988d95c9e6e1/bin/ukojak-verify-CZk0znPC7b/data/d93019dd9/6c815c710e164ad283c810862a373f90 [2024-12-06 03:09:42,191 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 03:09:42,192 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 03:09:42,194 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 03:09:42,194 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 03:09:42,198 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 03:09:42,199 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:09:42" (1/1) ... [2024-12-06 03:09:42,200 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@570ca123 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:09:42, skipping insertion in model container [2024-12-06 03:09:42,200 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:09:42" (1/1) ... [2024-12-06 03:09:42,227 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 03:09:42,478 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-12-06 03:09:42,525 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-12-06 03:09:42,531 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:09:42,547 INFO L197 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2024-12-06 03:09:42,555 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 03:09:42,580 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-12-06 03:09:42,600 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-12-06 03:09:42,603 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:09:42,610 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 03:09:42,655 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:09:42,691 INFO L204 MainTranslator]: Completed translation [2024-12-06 03:09:42,692 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:09:42 WrapperNode [2024-12-06 03:09:42,692 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 03:09:42,693 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 03:09:42,693 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 03:09:42,693 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 03:09:42,697 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:09:42" (1/1) ... [2024-12-06 03:09:42,713 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:09:42" (1/1) ... [2024-12-06 03:09:42,732 INFO L138 Inliner]: procedures = 169, calls = 79, calls flagged for inlining = 33, calls inlined = 8, statements flattened = 77 [2024-12-06 03:09:42,732 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 03:09:42,733 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 03:09:42,733 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 03:09:42,733 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 03:09:42,740 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:09:42" (1/1) ... [2024-12-06 03:09:42,740 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:09:42" (1/1) ... [2024-12-06 03:09:42,742 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:09:42" (1/1) ... [2024-12-06 03:09:42,743 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:09:42" (1/1) ... [2024-12-06 03:09:42,749 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:09:42" (1/1) ... [2024-12-06 03:09:42,751 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:09:42" (1/1) ... [2024-12-06 03:09:42,752 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:09:42" (1/1) ... [2024-12-06 03:09:42,754 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:09:42" (1/1) ... [2024-12-06 03:09:42,755 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:09:42" (1/1) ... [2024-12-06 03:09:42,757 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 03:09:42,758 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 03:09:42,758 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 03:09:42,758 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 03:09:42,759 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:09:42" (1/1) ... [2024-12-06 03:09:42,764 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:09:42,776 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb057b5-e306-4eaf-9814-988d95c9e6e1/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 03:09:42,787 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb057b5-e306-4eaf-9814-988d95c9e6e1/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 03:09:42,789 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb057b5-e306-4eaf-9814-988d95c9e6e1/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 03:09:42,809 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-12-06 03:09:42,809 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 03:09:42,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-12-06 03:09:42,809 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-12-06 03:09:42,809 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-06 03:09:42,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-12-06 03:09:42,809 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 03:09:42,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 03:09:42,902 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 03:09:42,903 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 03:09:43,065 INFO L? ?]: Removed 43 outVars from TransFormulas that were not future-live. [2024-12-06 03:09:43,065 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 03:09:43,119 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 03:09:43,119 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-06 03:09:43,120 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:09:43 BoogieIcfgContainer [2024-12-06 03:09:43,120 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 03:09:43,120 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 03:09:43,120 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 03:09:43,127 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 03:09:43,127 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:09:43" (1/1) ... [2024-12-06 03:09:43,133 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 03:09:43,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:09:43,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 30 states and 33 transitions. [2024-12-06 03:09:43,167 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 33 transitions. [2024-12-06 03:09:43,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 03:09:43,169 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:09:43,169 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:09:43,170 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb057b5-e306-4eaf-9814-988d95c9e6e1/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:09:43,171 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb057b5-e306-4eaf-9814-988d95c9e6e1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:09:43,172 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb057b5-e306-4eaf-9814-988d95c9e6e1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 03:09:43,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:09:43,259 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:09:43,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:09:43,281 INFO L256 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-06 03:09:43,285 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:09:43,362 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:09:43,365 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb057b5-e306-4eaf-9814-988d95c9e6e1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 03:09:43,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:09:43,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 29 states and 32 transitions. [2024-12-06 03:09:43,404 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 32 transitions. [2024-12-06 03:09:43,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-06 03:09:43,404 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:09:43,404 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:09:43,404 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb057b5-e306-4eaf-9814-988d95c9e6e1/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:09:43,406 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb057b5-e306-4eaf-9814-988d95c9e6e1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:09:43,408 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb057b5-e306-4eaf-9814-988d95c9e6e1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-06 03:09:43,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:09:43,480 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:09:43,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:09:43,496 INFO L256 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 03:09:43,498 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:09:43,550 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 03:09:43,551 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2024-12-06 03:09:43,561 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 03:09:43,562 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2024-12-06 03:09:43,571 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 5 treesize of output 3 [2024-12-06 03:09:43,673 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:09:43,676 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb057b5-e306-4eaf-9814-988d95c9e6e1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-12-06 03:09:43,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:09:43,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 28 states and 31 transitions. [2024-12-06 03:09:43,902 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 31 transitions. [2024-12-06 03:09:43,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-06 03:09:43,903 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:09:43,903 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:09:43,903 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb057b5-e306-4eaf-9814-988d95c9e6e1/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:09:43,904 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb057b5-e306-4eaf-9814-988d95c9e6e1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:09:43,906 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb057b5-e306-4eaf-9814-988d95c9e6e1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-12-06 03:09:43,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:09:43,990 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:09:44,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:09:44,006 INFO L256 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-06 03:09:44,008 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:09:44,185 INFO L349 Elim1Store]: treesize reduction 24, result has 33.3 percent of original size [2024-12-06 03:09:44,185 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 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 [2024-12-06 03:09:44,316 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:09:44,318 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb057b5-e306-4eaf-9814-988d95c9e6e1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-12-06 03:09:44,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:09:44,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 27 states and 30 transitions. [2024-12-06 03:09:44,771 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 30 transitions. [2024-12-06 03:09:44,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-06 03:09:44,771 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:09:44,771 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:09:44,771 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb057b5-e306-4eaf-9814-988d95c9e6e1/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:09:44,774 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb057b5-e306-4eaf-9814-988d95c9e6e1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:09:44,776 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb057b5-e306-4eaf-9814-988d95c9e6e1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-12-06 03:09:44,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:09:44,871 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:09:44,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:09:44,887 INFO L256 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 03:09:44,889 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:09:45,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 03:09:45,076 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 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 [2024-12-06 03:09:45,095 INFO L349 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2024-12-06 03:09:45,096 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 45 treesize of output 45 [2024-12-06 03:09:45,238 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:09:45,240 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb057b5-e306-4eaf-9814-988d95c9e6e1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-12-06 03:09:45,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:09:45,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 26 states and 29 transitions. [2024-12-06 03:09:45,998 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 29 transitions. [2024-12-06 03:09:45,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-06 03:09:45,998 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:09:45,998 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:09:45,999 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb057b5-e306-4eaf-9814-988d95c9e6e1/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:09:46,000 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb057b5-e306-4eaf-9814-988d95c9e6e1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:09:46,003 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb057b5-e306-4eaf-9814-988d95c9e6e1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-12-06 03:09:46,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:09:46,079 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:09:46,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:09:46,092 INFO L256 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-06 03:09:46,094 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:09:46,179 INFO L349 Elim1Store]: treesize reduction 24, result has 33.3 percent of original size [2024-12-06 03:09:46,179 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 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 [2024-12-06 03:09:46,308 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:09:46,310 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb057b5-e306-4eaf-9814-988d95c9e6e1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-12-06 03:09:46,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:09:46,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 29 states and 38 transitions. [2024-12-06 03:09:46,690 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 38 transitions. [2024-12-06 03:09:46,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-06 03:09:46,691 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:09:46,691 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:09:46,691 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb057b5-e306-4eaf-9814-988d95c9e6e1/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:09:46,693 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb057b5-e306-4eaf-9814-988d95c9e6e1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:09:46,696 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb057b5-e306-4eaf-9814-988d95c9e6e1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-12-06 03:09:46,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:09:46,775 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:09:46,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:09:46,787 INFO L256 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-06 03:09:46,789 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:09:46,838 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 5 treesize of output 3 [2024-12-06 03:09:46,867 INFO L349 Elim1Store]: treesize reduction 13, result has 40.9 percent of original size [2024-12-06 03:09:46,867 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 14 treesize of output 13 [2024-12-06 03:09:47,057 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:09:47,059 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb057b5-e306-4eaf-9814-988d95c9e6e1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-12-06 03:09:47,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:09:47,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 32 states and 46 transitions. [2024-12-06 03:09:47,674 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 46 transitions. [2024-12-06 03:09:47,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-06 03:09:47,675 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:09:47,675 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:09:47,675 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb057b5-e306-4eaf-9814-988d95c9e6e1/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:09:47,676 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb057b5-e306-4eaf-9814-988d95c9e6e1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:09:47,677 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb057b5-e306-4eaf-9814-988d95c9e6e1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-12-06 03:09:47,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:09:47,738 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:09:47,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:09:47,749 INFO L256 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 03:09:47,749 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:09:47,895 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:09:47,897 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb057b5-e306-4eaf-9814-988d95c9e6e1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-12-06 03:09:48,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:09:48,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-12-06 03:09:48,868 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-12-06 03:09:48,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-06 03:09:48,868 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:09:48,868 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:09:48,868 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb057b5-e306-4eaf-9814-988d95c9e6e1/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:09:48,870 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb057b5-e306-4eaf-9814-988d95c9e6e1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:09:48,871 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb057b5-e306-4eaf-9814-988d95c9e6e1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-12-06 03:09:48,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:09:48,974 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:09:48,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:09:48,985 INFO L256 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 03:09:48,986 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:09:49,004 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 03:09:49,004 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2024-12-06 03:09:49,008 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2024-12-06 03:09:49,123 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:09:49,126 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb057b5-e306-4eaf-9814-988d95c9e6e1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-12-06 03:09:50,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:09:50,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 33 states and 48 transitions. [2024-12-06 03:09:50,651 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 48 transitions. [2024-12-06 03:09:50,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-06 03:09:50,652 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:09:50,652 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:09:50,652 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb057b5-e306-4eaf-9814-988d95c9e6e1/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:09:50,653 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb057b5-e306-4eaf-9814-988d95c9e6e1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:09:50,654 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb057b5-e306-4eaf-9814-988d95c9e6e1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-12-06 03:09:50,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:09:50,722 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:09:50,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:09:50,737 INFO L256 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 03:09:50,738 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:09:50,752 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 03:09:50,752 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2024-12-06 03:09:50,959 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:09:50,961 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb057b5-e306-4eaf-9814-988d95c9e6e1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2024-12-06 03:09:52,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:09:52,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 37 states and 56 transitions. [2024-12-06 03:09:52,730 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 56 transitions. [2024-12-06 03:09:52,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 03:09:52,730 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:09:52,730 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:09:52,731 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb057b5-e306-4eaf-9814-988d95c9e6e1/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:09:52,732 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb057b5-e306-4eaf-9814-988d95c9e6e1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:09:52,733 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb057b5-e306-4eaf-9814-988d95c9e6e1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-12-06 03:09:52,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:09:52,808 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:09:52,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:09:52,821 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 03:09:52,822 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:09:52,991 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:09:52,993 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb057b5-e306-4eaf-9814-988d95c9e6e1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2024-12-06 03:09:53,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:09:53,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 39 states and 60 transitions. [2024-12-06 03:09:53,814 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 60 transitions. [2024-12-06 03:09:53,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 03:09:53,815 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:09:53,815 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:09:53,815 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb057b5-e306-4eaf-9814-988d95c9e6e1/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:09:53,816 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb057b5-e306-4eaf-9814-988d95c9e6e1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:09:53,817 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb057b5-e306-4eaf-9814-988d95c9e6e1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-12-06 03:09:53,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:09:53,903 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:09:53,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:09:53,917 INFO L256 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 03:09:53,919 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:09:53,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 03:09:53,988 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 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 [2024-12-06 03:09:54,009 INFO L349 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2024-12-06 03:09:54,009 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 45 treesize of output 45 [2024-12-06 03:09:54,222 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:09:54,224 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb057b5-e306-4eaf-9814-988d95c9e6e1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2024-12-06 03:09:55,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:09:55,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 39 states and 58 transitions. [2024-12-06 03:09:55,257 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 58 transitions. [2024-12-06 03:09:55,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 03:09:55,257 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:09:55,257 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:09:55,257 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb057b5-e306-4eaf-9814-988d95c9e6e1/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:09:55,258 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb057b5-e306-4eaf-9814-988d95c9e6e1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:09:55,259 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb057b5-e306-4eaf-9814-988d95c9e6e1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-12-06 03:09:55,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 03:09:55,355 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 03:09:55,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 03:09:55,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 03:09:55,424 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 03:09:55,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 03:09:55,452 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb057b5-e306-4eaf-9814-988d95c9e6e1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2024-12-06 03:09:55,452 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 12 iterations. [2024-12-06 03:09:55,475 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 03:09:55 ImpRootNode [2024-12-06 03:09:55,475 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 03:09:55,475 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 03:09:55,475 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 03:09:55,476 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 03:09:55,476 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:09:43" (3/4) ... [2024-12-06 03:09:55,478 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-06 03:09:55,479 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 03:09:55,480 INFO L158 Benchmark]: Toolchain (without parser) took 13287.39ms. Allocated memory was 92.3MB in the beginning and 134.2MB in the end (delta: 41.9MB). Free memory was 68.1MB in the beginning and 74.6MB in the end (delta: -6.5MB). Peak memory consumption was 34.1MB. Max. memory is 16.1GB. [2024-12-06 03:09:55,480 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 83.9MB. Free memory is still 48.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:09:55,480 INFO L158 Benchmark]: CACSL2BoogieTranslator took 498.44ms. Allocated memory is still 92.3MB. Free memory was 67.9MB in the beginning and 39.8MB in the end (delta: 28.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-12-06 03:09:55,481 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.98ms. Allocated memory is still 92.3MB. Free memory was 39.8MB in the beginning and 67.6MB in the end (delta: -27.9MB). Peak memory consumption was 11.8MB. Max. memory is 16.1GB. [2024-12-06 03:09:55,481 INFO L158 Benchmark]: Boogie Preprocessor took 24.55ms. Allocated memory is still 92.3MB. Free memory was 67.6MB in the beginning and 66.3MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:09:55,481 INFO L158 Benchmark]: RCFGBuilder took 361.95ms. Allocated memory is still 92.3MB. Free memory was 66.3MB in the beginning and 45.1MB in the end (delta: 21.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 03:09:55,481 INFO L158 Benchmark]: CodeCheck took 12354.36ms. Allocated memory was 92.3MB in the beginning and 134.2MB in the end (delta: 41.9MB). Free memory was 45.1MB in the beginning and 74.6MB in the end (delta: -29.6MB). Peak memory consumption was 13.9MB. Max. memory is 16.1GB. [2024-12-06 03:09:55,481 INFO L158 Benchmark]: Witness Printer took 3.90ms. Allocated memory is still 134.2MB. Free memory was 74.6MB in the beginning and 74.6MB in the end (delta: 36.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:09:55,483 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, 30 locations, 13 error locations. Started 1 CEGAR loops. OverallTime: 12.3s, OverallIterations: 12, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 368 SdHoareTripleChecker+Valid, 2.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 323 mSDsluCounter, 455 SdHoareTripleChecker+Invalid, 2.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 338 mSDsCounter, 258 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1389 IncrementalHoareTripleChecker+Invalid, 1647 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 258 mSolverCounterUnsat, 117 mSDtfsCounter, 1389 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 689 GetRequests, 547 SyntacticMatches, 4 SemanticMatches, 138 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7899 ImplicationChecksByTransitivity, 9.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 2.4s InterpolantComputationTime, 68 NumberOfCodeBlocks, 68 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 49 ConstructedInterpolants, 0 QuantifiedInterpolants, 523 SizeOfPredicates, 33 NumberOfNonLiveVariables, 366 ConjunctsInSsa, 55 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - UnprovableResult [Line: 791]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 791. Possible FailurePath: [L569] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; [L783] struct A a6; [L792] CALL entry_point() [L785] CALL, EXPR probe2_6(&a6) [L764] int ret = - -3; [L765] CALL, EXPR ldv_malloc(sizeof(int)) [L526] COND TRUE __VERIFIER_nondet_int() [L527] return malloc(size); [L765] RET, EXPR ldv_malloc(sizeof(int)) [L765] int *p = (int *)ldv_malloc(sizeof(int)); [L766] COND FALSE !(p==0) [L768] CALL, EXPR f6() [L758] return __VERIFIER_nondet_int(); [L768] RET, EXPR f6() [L768] ret = f6() [L769] COND FALSE !(ret<0) [L771] CALL, EXPR g6() [L761] return __VERIFIER_nondet_int(); [L771] RET, EXPR g6() [L771] ret = g6() [L772] COND TRUE ret<0 [L773] return ret; VAL [\result=-2147483648, a6={2:0}, a={2:0}, ldv_global_msg_list={1:0}, p={-2147483648:0}] [L785] RET, EXPR probe2_6(&a6) [L785] int ret = probe2_6(&a6); [L786] COND FALSE !(ret==0) VAL [a6={2:0}, ldv_global_msg_list={1:0}] [L789] a6.p = 0 [L792] RET entry_point() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 83.9MB. Free memory is still 48.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 498.44ms. Allocated memory is still 92.3MB. Free memory was 67.9MB in the beginning and 39.8MB in the end (delta: 28.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.98ms. Allocated memory is still 92.3MB. Free memory was 39.8MB in the beginning and 67.6MB in the end (delta: -27.9MB). Peak memory consumption was 11.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 24.55ms. Allocated memory is still 92.3MB. Free memory was 67.6MB in the beginning and 66.3MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 361.95ms. Allocated memory is still 92.3MB. Free memory was 66.3MB in the beginning and 45.1MB in the end (delta: 21.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 12354.36ms. Allocated memory was 92.3MB in the beginning and 134.2MB in the end (delta: 41.9MB). Free memory was 45.1MB in the beginning and 74.6MB in the end (delta: -29.6MB). Peak memory consumption was 13.9MB. Max. memory is 16.1GB. * Witness Printer took 3.90ms. Allocated memory is still 134.2MB. Free memory was 74.6MB in the beginning and 74.6MB in the end (delta: 36.9kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-12-06 03:09:55,500 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb057b5-e306-4eaf-9814-988d95c9e6e1/bin/ukojak-verify-CZk0znPC7b/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 Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample