./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/memsafety/test-0019-2.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_ad999eac-4a29-4855-99c2-730adcdf9411/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad999eac-4a29-4855-99c2-730adcdf9411/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_ad999eac-4a29-4855-99c2-730adcdf9411/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad999eac-4a29-4855-99c2-730adcdf9411/bin/ukojak-verify-CZk0znPC7b/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety/test-0019-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad999eac-4a29-4855-99c2-730adcdf9411/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_ad999eac-4a29-4855-99c2-730adcdf9411/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 40afad058466dec508429aba14a695fa830becbd8e90e3307f02f796ff077dad --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 02:31:34,150 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 02:31:34,204 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad999eac-4a29-4855-99c2-730adcdf9411/bin/ukojak-verify-CZk0znPC7b/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2024-12-06 02:31:34,209 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 02:31:34,209 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 02:31:34,229 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 02:31:34,230 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 02:31:34,230 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 02:31:34,230 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 02:31:34,230 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 02:31:34,230 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 02:31:34,230 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 02:31:34,230 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 02:31:34,230 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-12-06 02:31:34,230 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-12-06 02:31:34,231 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-12-06 02:31:34,231 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 02:31:34,231 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 02:31:34,231 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 02:31:34,231 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 02:31:34,231 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 02:31:34,231 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 02:31:34,231 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 02:31:34,231 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 02:31:34,231 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 02:31:34,231 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 02:31:34,232 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 02:31:34,232 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 02:31:34,232 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 02:31:34,232 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 02:31:34,232 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_ad999eac-4a29-4855-99c2-730adcdf9411/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 -> 40afad058466dec508429aba14a695fa830becbd8e90e3307f02f796ff077dad [2024-12-06 02:31:34,452 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 02:31:34,460 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 02:31:34,462 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 02:31:34,463 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 02:31:34,464 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 02:31:34,465 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad999eac-4a29-4855-99c2-730adcdf9411/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/memsafety/test-0019-2.i [2024-12-06 02:31:37,154 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad999eac-4a29-4855-99c2-730adcdf9411/bin/ukojak-verify-CZk0znPC7b/data/e358f085f/b714699fd6b044b9befb21cc930ff65e/FLAG7df2b395b [2024-12-06 02:31:37,393 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 02:31:37,394 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad999eac-4a29-4855-99c2-730adcdf9411/sv-benchmarks/c/memsafety/test-0019-2.i [2024-12-06 02:31:37,403 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad999eac-4a29-4855-99c2-730adcdf9411/bin/ukojak-verify-CZk0znPC7b/data/e358f085f/b714699fd6b044b9befb21cc930ff65e/FLAG7df2b395b [2024-12-06 02:31:37,417 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad999eac-4a29-4855-99c2-730adcdf9411/bin/ukojak-verify-CZk0znPC7b/data/e358f085f/b714699fd6b044b9befb21cc930ff65e [2024-12-06 02:31:37,419 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 02:31:37,420 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 02:31:37,422 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 02:31:37,422 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 02:31:37,425 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 02:31:37,426 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 02:31:37" (1/1) ... [2024-12-06 02:31:37,426 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68a828d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:31:37, skipping insertion in model container [2024-12-06 02:31:37,426 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 02:31:37" (1/1) ... [2024-12-06 02:31:37,448 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 02:31:37,647 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 02:31:37,655 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 02:31:37,689 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 02:31:37,710 INFO L204 MainTranslator]: Completed translation [2024-12-06 02:31:37,710 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:31:37 WrapperNode [2024-12-06 02:31:37,711 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 02:31:37,711 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 02:31:37,712 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 02:31:37,712 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 02:31:37,717 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:31:37" (1/1) ... [2024-12-06 02:31:37,726 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:31:37" (1/1) ... [2024-12-06 02:31:37,742 INFO L138 Inliner]: procedures = 125, calls = 21, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 42 [2024-12-06 02:31:37,742 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 02:31:37,743 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 02:31:37,743 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 02:31:37,743 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 02:31:37,748 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:31:37" (1/1) ... [2024-12-06 02:31:37,749 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:31:37" (1/1) ... [2024-12-06 02:31:37,751 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:31:37" (1/1) ... [2024-12-06 02:31:37,751 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:31:37" (1/1) ... [2024-12-06 02:31:37,757 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:31:37" (1/1) ... [2024-12-06 02:31:37,757 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:31:37" (1/1) ... [2024-12-06 02:31:37,759 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:31:37" (1/1) ... [2024-12-06 02:31:37,760 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:31:37" (1/1) ... [2024-12-06 02:31:37,761 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:31:37" (1/1) ... [2024-12-06 02:31:37,763 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 02:31:37,763 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 02:31:37,763 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 02:31:37,764 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 02:31:37,765 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:31:37" (1/1) ... [2024-12-06 02:31:37,769 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 02:31:37,777 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad999eac-4a29-4855-99c2-730adcdf9411/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 02:31:37,788 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad999eac-4a29-4855-99c2-730adcdf9411/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 02:31:37,790 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad999eac-4a29-4855-99c2-730adcdf9411/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 02:31:37,811 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-12-06 02:31:37,812 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 02:31:37,812 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-06 02:31:37,812 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-12-06 02:31:37,812 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-12-06 02:31:37,812 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-06 02:31:37,812 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 02:31:37,812 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 02:31:37,812 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 02:31:37,892 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 02:31:37,893 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 02:31:38,050 INFO L? ?]: Removed 49 outVars from TransFormulas that were not future-live. [2024-12-06 02:31:38,050 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 02:31:38,082 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 02:31:38,082 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-06 02:31:38,083 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:31:38 BoogieIcfgContainer [2024-12-06 02:31:38,083 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 02:31:38,084 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 02:31:38,084 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 02:31:38,093 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 02:31:38,093 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:31:38" (1/1) ... [2024-12-06 02:31:38,101 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 02:31:38,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:31:38,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 35 transitions. [2024-12-06 02:31:38,147 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 35 transitions. [2024-12-06 02:31:38,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2024-12-06 02:31:38,149 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:31:38,149 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:31:38,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:31:38,354 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 02:31:38,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:31:38,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 34 transitions. [2024-12-06 02:31:38,383 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 34 transitions. [2024-12-06 02:31:38,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2024-12-06 02:31:38,383 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:31:38,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:31:38,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:31:38,508 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 02:31:38,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:31:38,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 33 transitions. [2024-12-06 02:31:38,597 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 33 transitions. [2024-12-06 02:31:38,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-12-06 02:31:38,597 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:31:38,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:31:38,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:31:38,661 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 02:31:38,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:31:38,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 32 transitions. [2024-12-06 02:31:38,678 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 32 transitions. [2024-12-06 02:31:38,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-12-06 02:31:38,678 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:31:38,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:31:38,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:31:38,815 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 02:31:38,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:31:38,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 31 transitions. [2024-12-06 02:31:38,904 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 31 transitions. [2024-12-06 02:31:38,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 02:31:38,904 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:31:38,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:31:38,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:31:38,973 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 02:31:39,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:31:39,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 30 transitions. [2024-12-06 02:31:39,215 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 30 transitions. [2024-12-06 02:31:39,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 02:31:39,215 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:31:39,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:31:39,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:31:39,338 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 02:31:39,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:31:39,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 29 transitions. [2024-12-06 02:31:39,708 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 29 transitions. [2024-12-06 02:31:39,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-06 02:31:39,709 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:31:39,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:31:39,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:31:39,733 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 02:31:39,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:31:39,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 28 transitions. [2024-12-06 02:31:39,744 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 28 transitions. [2024-12-06 02:31:39,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-06 02:31:39,745 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:31:39,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:31:39,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:31:39,811 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 02:31:39,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:31:39,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 27 transitions. [2024-12-06 02:31:39,832 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 27 transitions. [2024-12-06 02:31:39,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 02:31:39,832 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:31:39,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:31:39,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:31:39,860 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 02:31:39,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:31:39,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 28 states and 29 transitions. [2024-12-06 02:31:39,881 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 29 transitions. [2024-12-06 02:31:39,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 02:31:39,881 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:31:39,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:31:39,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:31:40,006 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 02:31:40,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:31:40,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 29 states and 31 transitions. [2024-12-06 02:31:40,222 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 31 transitions. [2024-12-06 02:31:40,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 02:31:40,223 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:31:40,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:31:40,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:31:40,471 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 02:31:41,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:31:41,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 28 states and 30 transitions. [2024-12-06 02:31:41,404 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 30 transitions. [2024-12-06 02:31:41,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 02:31:41,404 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:31:41,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:31:41,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:31:41,430 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 02:31:41,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:31:41,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 27 states and 29 transitions. [2024-12-06 02:31:41,444 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 29 transitions. [2024-12-06 02:31:41,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 02:31:41,444 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:31:41,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:31:41,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:31:41,496 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 02:31:41,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:31:41,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 29 states and 32 transitions. [2024-12-06 02:31:41,709 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 32 transitions. [2024-12-06 02:31:41,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 02:31:41,709 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:31:41,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:31:41,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:31:41,990 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 02:31:43,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:31:43,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 28 states and 31 transitions. [2024-12-06 02:31:43,266 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 31 transitions. [2024-12-06 02:31:43,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-06 02:31:43,266 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:31:43,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:31:43,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 02:31:43,284 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 02:31:43,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 02:31:43,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 02:31:43,365 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 02:31:43,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 02:31:43,404 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 15 iterations. [2024-12-06 02:31:43,424 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 02:31:43 ImpRootNode [2024-12-06 02:31:43,424 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 02:31:43,424 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 02:31:43,424 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 02:31:43,425 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 02:31:43,425 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:31:38" (3/4) ... [2024-12-06 02:31:43,427 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-06 02:31:43,428 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 02:31:43,428 INFO L158 Benchmark]: Toolchain (without parser) took 6007.82ms. Allocated memory was 117.4MB in the beginning and 201.3MB in the end (delta: 83.9MB). Free memory was 91.7MB in the beginning and 143.2MB in the end (delta: -51.5MB). Peak memory consumption was 32.4MB. Max. memory is 16.1GB. [2024-12-06 02:31:43,429 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 117.4MB. Free memory is still 73.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 02:31:43,429 INFO L158 Benchmark]: CACSL2BoogieTranslator took 289.38ms. Allocated memory is still 117.4MB. Free memory was 91.5MB in the beginning and 74.8MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 02:31:43,429 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.00ms. Allocated memory is still 117.4MB. Free memory was 74.8MB in the beginning and 73.2MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 02:31:43,430 INFO L158 Benchmark]: Boogie Preprocessor took 19.88ms. Allocated memory is still 117.4MB. Free memory was 73.2MB in the beginning and 72.3MB in the end (delta: 880.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 02:31:43,430 INFO L158 Benchmark]: RCFGBuilder took 319.60ms. Allocated memory is still 117.4MB. Free memory was 72.2MB in the beginning and 56.4MB in the end (delta: 15.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 02:31:43,431 INFO L158 Benchmark]: CodeCheck took 5340.40ms. Allocated memory was 117.4MB in the beginning and 201.3MB in the end (delta: 83.9MB). Free memory was 56.4MB in the beginning and 143.2MB in the end (delta: -86.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 02:31:43,431 INFO L158 Benchmark]: Witness Printer took 3.12ms. Allocated memory is still 201.3MB. Free memory was 143.2MB in the beginning and 143.2MB in the end (delta: 39.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 02:31:43,433 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, 35 locations, 19 error locations. Started 1 CEGAR loops. OverallTime: 5.3s, OverallIterations: 15, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 128 SdHoareTripleChecker+Valid, 1.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 109 mSDsluCounter, 66 SdHoareTripleChecker+Invalid, 1.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 32 mSDsCounter, 350 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1005 IncrementalHoareTripleChecker+Invalid, 1355 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 350 mSolverCounterUnsat, 34 mSDtfsCounter, 1005 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 577 GetRequests, 458 SyntacticMatches, 7 SemanticMatches, 112 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5193 ImplicationChecksByTransitivity, 3.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 82 NumberOfCodeBlocks, 82 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 59 ConstructedInterpolants, 0 QuantifiedInterpolants, 337 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: 543]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 543. Possible FailurePath: [L544] TData data; [L545] CALL alloc_data(&data) [L529] pdata->lo = malloc(16) [L530] pdata->hi = malloc(24) [L545] RET alloc_data(&data) [L546] CALL free_data(&data) [L534] EXPR data->lo [L534] void *lo = data->lo; [L535] EXPR data->hi [L535] void *hi = data->hi; [L536] COND FALSE !(lo == hi) VAL [data={18390:0}] [L540] data->lo = (void *) 0 VAL [data={18390:0}] [L541] data->hi = (void *) 0 [L546] RET free_data(&data) [L547] return 0; [L547] return 0; VAL [\result=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 117.4MB. Free memory is still 73.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 289.38ms. Allocated memory is still 117.4MB. Free memory was 91.5MB in the beginning and 74.8MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 31.00ms. Allocated memory is still 117.4MB. Free memory was 74.8MB in the beginning and 73.2MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 19.88ms. Allocated memory is still 117.4MB. Free memory was 73.2MB in the beginning and 72.3MB in the end (delta: 880.1kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 319.60ms. Allocated memory is still 117.4MB. Free memory was 72.2MB in the beginning and 56.4MB in the end (delta: 15.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 5340.40ms. Allocated memory was 117.4MB in the beginning and 201.3MB in the end (delta: 83.9MB). Free memory was 56.4MB in the beginning and 143.2MB in the end (delta: -86.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.12ms. Allocated memory is still 201.3MB. Free memory was 143.2MB in the beginning and 143.2MB in the end (delta: 39.1kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-12-06 02:31:43,449 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad999eac-4a29-4855-99c2-730adcdf9411/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_ad999eac-4a29-4855-99c2-730adcdf9411/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad999eac-4a29-4855-99c2-730adcdf9411/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_ad999eac-4a29-4855-99c2-730adcdf9411/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad999eac-4a29-4855-99c2-730adcdf9411/bin/ukojak-verify-CZk0znPC7b/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety/test-0019-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad999eac-4a29-4855-99c2-730adcdf9411/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_ad999eac-4a29-4855-99c2-730adcdf9411/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 40afad058466dec508429aba14a695fa830becbd8e90e3307f02f796ff077dad --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 02:31:45,390 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 02:31:45,474 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad999eac-4a29-4855-99c2-730adcdf9411/bin/ukojak-verify-CZk0znPC7b/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf [2024-12-06 02:31:45,499 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 02:31:45,500 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 02:31:45,500 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 02:31:45,501 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 02:31:45,501 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 02:31:45,501 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 02:31:45,501 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 02:31:45,501 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 02:31:45,501 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-12-06 02:31:45,501 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-12-06 02:31:45,501 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-12-06 02:31:45,502 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 02:31:45,502 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 02:31:45,502 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 02:31:45,502 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 02:31:45,502 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 02:31:45,502 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 02:31:45,502 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 02:31:45,502 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 02:31:45,502 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 02:31:45,502 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 02:31:45,502 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 02:31:45,503 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 02:31:45,503 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 02:31:45,503 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 02:31:45,503 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 02:31:45,503 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 02:31:45,503 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 02:31:45,503 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 02:31:45,503 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 02:31:45,503 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 02:31:45,503 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_ad999eac-4a29-4855-99c2-730adcdf9411/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 -> 40afad058466dec508429aba14a695fa830becbd8e90e3307f02f796ff077dad [2024-12-06 02:31:45,725 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 02:31:45,731 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 02:31:45,733 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 02:31:45,734 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 02:31:45,734 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 02:31:45,735 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad999eac-4a29-4855-99c2-730adcdf9411/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/memsafety/test-0019-2.i [2024-12-06 02:31:48,396 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad999eac-4a29-4855-99c2-730adcdf9411/bin/ukojak-verify-CZk0znPC7b/data/038bce55a/b357823ec13e4554a671acc65986b4c6/FLAG652276e08 [2024-12-06 02:31:48,627 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 02:31:48,628 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad999eac-4a29-4855-99c2-730adcdf9411/sv-benchmarks/c/memsafety/test-0019-2.i [2024-12-06 02:31:48,638 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad999eac-4a29-4855-99c2-730adcdf9411/bin/ukojak-verify-CZk0znPC7b/data/038bce55a/b357823ec13e4554a671acc65986b4c6/FLAG652276e08 [2024-12-06 02:31:48,944 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad999eac-4a29-4855-99c2-730adcdf9411/bin/ukojak-verify-CZk0znPC7b/data/038bce55a/b357823ec13e4554a671acc65986b4c6 [2024-12-06 02:31:48,946 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 02:31:48,947 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 02:31:48,948 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 02:31:48,948 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 02:31:48,951 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 02:31:48,951 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 02:31:48" (1/1) ... [2024-12-06 02:31:48,952 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17babec8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:31:48, skipping insertion in model container [2024-12-06 02:31:48,952 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 02:31:48" (1/1) ... [2024-12-06 02:31:48,977 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 02:31:49,180 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 02:31:49,189 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 02:31:49,218 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 02:31:49,249 INFO L204 MainTranslator]: Completed translation [2024-12-06 02:31:49,250 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:31:49 WrapperNode [2024-12-06 02:31:49,250 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 02:31:49,251 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 02:31:49,251 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 02:31:49,251 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 02:31:49,257 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:31:49" (1/1) ... [2024-12-06 02:31:49,269 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:31:49" (1/1) ... [2024-12-06 02:31:49,286 INFO L138 Inliner]: procedures = 126, calls = 21, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 43 [2024-12-06 02:31:49,286 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 02:31:49,286 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 02:31:49,286 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 02:31:49,286 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 02:31:49,293 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:31:49" (1/1) ... [2024-12-06 02:31:49,293 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:31:49" (1/1) ... [2024-12-06 02:31:49,296 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:31:49" (1/1) ... [2024-12-06 02:31:49,296 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:31:49" (1/1) ... [2024-12-06 02:31:49,302 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:31:49" (1/1) ... [2024-12-06 02:31:49,304 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:31:49" (1/1) ... [2024-12-06 02:31:49,305 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:31:49" (1/1) ... [2024-12-06 02:31:49,306 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:31:49" (1/1) ... [2024-12-06 02:31:49,307 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:31:49" (1/1) ... [2024-12-06 02:31:49,309 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 02:31:49,310 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 02:31:49,310 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 02:31:49,310 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 02:31:49,311 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:31:49" (1/1) ... [2024-12-06 02:31:49,317 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 02:31:49,329 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad999eac-4a29-4855-99c2-730adcdf9411/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 02:31:49,340 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad999eac-4a29-4855-99c2-730adcdf9411/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 02:31:49,344 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad999eac-4a29-4855-99c2-730adcdf9411/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 02:31:49,369 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-12-06 02:31:49,369 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 02:31:49,369 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-06 02:31:49,369 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-12-06 02:31:49,369 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-12-06 02:31:49,369 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-06 02:31:49,369 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 02:31:49,369 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 02:31:49,369 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 02:31:49,451 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 02:31:49,452 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 02:31:49,652 INFO L? ?]: Removed 49 outVars from TransFormulas that were not future-live. [2024-12-06 02:31:49,652 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 02:31:49,690 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 02:31:49,690 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-06 02:31:49,690 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:31:49 BoogieIcfgContainer [2024-12-06 02:31:49,690 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 02:31:49,691 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 02:31:49,691 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 02:31:49,698 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 02:31:49,698 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:31:49" (1/1) ... [2024-12-06 02:31:49,704 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 02:31:49,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:31:49,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 35 transitions. [2024-12-06 02:31:49,740 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 35 transitions. [2024-12-06 02:31:49,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2024-12-06 02:31:49,742 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:31:49,742 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:31:49,742 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad999eac-4a29-4855-99c2-730adcdf9411/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:31:49,744 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad999eac-4a29-4855-99c2-730adcdf9411/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:31:49,745 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad999eac-4a29-4855-99c2-730adcdf9411/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 02:31:49,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:31:49,825 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:31:49,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:31:49,846 INFO L256 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-06 02:31:49,850 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:31:49,932 INFO L349 Elim1Store]: treesize reduction 19, result has 26.9 percent of original size [2024-12-06 02:31:49,933 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 15 [2024-12-06 02:31:49,954 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 02:31:49,956 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad999eac-4a29-4855-99c2-730adcdf9411/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 02:31:49,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:31:50,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 34 transitions. [2024-12-06 02:31:50,000 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 34 transitions. [2024-12-06 02:31:50,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2024-12-06 02:31:50,000 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:31:50,001 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:31:50,001 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad999eac-4a29-4855-99c2-730adcdf9411/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:31:50,002 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad999eac-4a29-4855-99c2-730adcdf9411/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:31:50,003 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad999eac-4a29-4855-99c2-730adcdf9411/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-06 02:31:50,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:31:50,082 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:31:50,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:31:50,100 INFO L256 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-06 02:31:50,101 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:31:50,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:31:50,127 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 5 [2024-12-06 02:31:50,135 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 10 treesize of output 8 [2024-12-06 02:31:50,161 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 02:31:50,166 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad999eac-4a29-4855-99c2-730adcdf9411/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-12-06 02:31:50,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:31:50,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 33 transitions. [2024-12-06 02:31:50,280 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 33 transitions. [2024-12-06 02:31:50,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-12-06 02:31:50,280 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:31:50,280 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:31:50,280 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad999eac-4a29-4855-99c2-730adcdf9411/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:31:50,282 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad999eac-4a29-4855-99c2-730adcdf9411/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:31:50,283 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad999eac-4a29-4855-99c2-730adcdf9411/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-12-06 02:31:50,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:31:50,379 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:31:50,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:31:50,401 INFO L256 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 02:31:50,402 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:31:50,435 INFO L349 Elim1Store]: treesize reduction 24, result has 33.3 percent of original size [2024-12-06 02:31:50,435 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 21 treesize of output 20 [2024-12-06 02:31:50,441 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 02:31:50,443 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad999eac-4a29-4855-99c2-730adcdf9411/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-12-06 02:31:50,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:31:50,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 32 transitions. [2024-12-06 02:31:50,480 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 32 transitions. [2024-12-06 02:31:50,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-12-06 02:31:50,480 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:31:50,481 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:31:50,481 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad999eac-4a29-4855-99c2-730adcdf9411/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:31:50,483 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad999eac-4a29-4855-99c2-730adcdf9411/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:31:50,484 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad999eac-4a29-4855-99c2-730adcdf9411/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-12-06 02:31:50,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:31:50,586 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:31:50,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:31:50,609 INFO L256 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 02:31:50,611 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:31:50,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:31:50,631 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 5 [2024-12-06 02:31:50,638 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 10 treesize of output 8 [2024-12-06 02:31:50,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:31:50,670 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 9 [2024-12-06 02:31:50,683 INFO L349 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2024-12-06 02:31:50,684 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 13 [2024-12-06 02:31:50,691 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 02:31:50,694 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad999eac-4a29-4855-99c2-730adcdf9411/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-12-06 02:31:50,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:31:50,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 31 transitions. [2024-12-06 02:31:50,748 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 31 transitions. [2024-12-06 02:31:50,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 02:31:50,748 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:31:50,748 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:31:50,748 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad999eac-4a29-4855-99c2-730adcdf9411/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:31:50,750 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad999eac-4a29-4855-99c2-730adcdf9411/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:31:50,751 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad999eac-4a29-4855-99c2-730adcdf9411/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-12-06 02:31:50,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:31:50,835 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:31:50,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:31:50,860 INFO L256 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 02:31:50,861 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:31:50,907 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 02:31:50,909 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad999eac-4a29-4855-99c2-730adcdf9411/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-12-06 02:31:51,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:31:51,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 30 transitions. [2024-12-06 02:31:51,140 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 30 transitions. [2024-12-06 02:31:51,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 02:31:51,140 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:31:51,140 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:31:51,140 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad999eac-4a29-4855-99c2-730adcdf9411/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:31:51,142 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad999eac-4a29-4855-99c2-730adcdf9411/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:31:51,144 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad999eac-4a29-4855-99c2-730adcdf9411/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-12-06 02:31:51,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:31:51,248 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:31:51,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:31:51,273 INFO L256 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 02:31:51,274 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:31:51,364 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 02:31:51,367 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad999eac-4a29-4855-99c2-730adcdf9411/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-12-06 02:31:51,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:31:51,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 29 transitions. [2024-12-06 02:31:51,810 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 29 transitions. [2024-12-06 02:31:51,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-06 02:31:51,810 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:31:51,810 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:31:51,810 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad999eac-4a29-4855-99c2-730adcdf9411/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:31:51,813 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad999eac-4a29-4855-99c2-730adcdf9411/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:31:51,814 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad999eac-4a29-4855-99c2-730adcdf9411/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-12-06 02:31:51,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:31:51,892 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:31:51,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:31:51,913 INFO L256 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-06 02:31:51,914 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:31:51,918 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 02:31:51,919 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad999eac-4a29-4855-99c2-730adcdf9411/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-12-06 02:31:51,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:31:51,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 28 transitions. [2024-12-06 02:31:51,939 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 28 transitions. [2024-12-06 02:31:51,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-06 02:31:51,939 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:31:51,939 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:31:51,939 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad999eac-4a29-4855-99c2-730adcdf9411/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:31:51,941 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad999eac-4a29-4855-99c2-730adcdf9411/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:31:51,942 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad999eac-4a29-4855-99c2-730adcdf9411/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-12-06 02:31:52,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:31:52,042 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:31:52,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:31:52,066 INFO L256 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 02:31:52,067 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:31:52,099 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:31:52,101 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad999eac-4a29-4855-99c2-730adcdf9411/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-12-06 02:31:52,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:31:52,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 27 transitions. [2024-12-06 02:31:52,122 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 27 transitions. [2024-12-06 02:31:52,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 02:31:52,122 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:31:52,122 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:31:52,122 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad999eac-4a29-4855-99c2-730adcdf9411/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:31:52,124 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad999eac-4a29-4855-99c2-730adcdf9411/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:31:52,126 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad999eac-4a29-4855-99c2-730adcdf9411/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-12-06 02:31:52,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:31:52,198 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:31:52,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:31:52,221 INFO L256 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-06 02:31:52,221 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:31:52,229 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 02:31:52,230 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad999eac-4a29-4855-99c2-730adcdf9411/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2024-12-06 02:31:52,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:31:52,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 28 states and 29 transitions. [2024-12-06 02:31:52,254 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 29 transitions. [2024-12-06 02:31:52,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 02:31:52,254 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:31:52,254 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:31:52,254 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad999eac-4a29-4855-99c2-730adcdf9411/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:31:52,256 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad999eac-4a29-4855-99c2-730adcdf9411/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:31:52,257 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad999eac-4a29-4855-99c2-730adcdf9411/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-12-06 02:31:52,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:31:52,345 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:31:52,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:31:52,371 INFO L256 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-06 02:31:52,372 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:31:52,480 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 02:31:52,481 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad999eac-4a29-4855-99c2-730adcdf9411/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2024-12-06 02:31:52,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:31:52,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 29 states and 30 transitions. [2024-12-06 02:31:52,848 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 30 transitions. [2024-12-06 02:31:52,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 02:31:52,849 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:31:52,849 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:31:52,849 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad999eac-4a29-4855-99c2-730adcdf9411/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:31:52,850 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad999eac-4a29-4855-99c2-730adcdf9411/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:31:52,851 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad999eac-4a29-4855-99c2-730adcdf9411/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-12-06 02:31:52,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:31:52,957 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:31:52,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:31:52,981 INFO L256 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-06 02:31:52,982 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:31:53,059 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-12-06 02:31:53,201 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 02:31:53,203 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad999eac-4a29-4855-99c2-730adcdf9411/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2024-12-06 02:31:54,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:31:54,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 28 states and 29 transitions. [2024-12-06 02:31:54,176 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 29 transitions. [2024-12-06 02:31:54,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 02:31:54,176 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:31:54,176 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:31:54,177 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad999eac-4a29-4855-99c2-730adcdf9411/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:31:54,178 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad999eac-4a29-4855-99c2-730adcdf9411/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:31:54,179 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad999eac-4a29-4855-99c2-730adcdf9411/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-12-06 02:31:54,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:31:54,265 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:31:54,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:31:54,290 INFO L256 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-06 02:31:54,290 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:31:54,298 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 02:31:54,300 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad999eac-4a29-4855-99c2-730adcdf9411/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2024-12-06 02:31:54,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:31:54,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 27 states and 28 transitions. [2024-12-06 02:31:54,322 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 28 transitions. [2024-12-06 02:31:54,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 02:31:54,323 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:31:54,323 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:31:54,323 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad999eac-4a29-4855-99c2-730adcdf9411/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:31:54,325 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad999eac-4a29-4855-99c2-730adcdf9411/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:31:54,326 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad999eac-4a29-4855-99c2-730adcdf9411/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-12-06 02:31:54,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:31:54,409 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:31:54,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:31:54,428 INFO L256 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-06 02:31:54,428 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:31:54,618 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 02:31:54,619 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad999eac-4a29-4855-99c2-730adcdf9411/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2024-12-06 02:31:56,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:31:56,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 29 states and 30 transitions. [2024-12-06 02:31:56,268 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 30 transitions. [2024-12-06 02:31:56,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 02:31:56,268 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:31:56,268 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:31:56,268 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad999eac-4a29-4855-99c2-730adcdf9411/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:31:56,270 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad999eac-4a29-4855-99c2-730adcdf9411/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:31:56,270 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad999eac-4a29-4855-99c2-730adcdf9411/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2024-12-06 02:31:56,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:31:56,357 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:31:56,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:31:56,375 INFO L256 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-12-06 02:31:56,376 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:31:56,388 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-12-06 02:31:56,396 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 7 [2024-12-06 02:31:56,520 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-12-06 02:31:56,534 INFO L349 Elim1Store]: treesize reduction 6, result has 57.1 percent of original size [2024-12-06 02:31:56,534 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 17 treesize of output 17 [2024-12-06 02:31:56,654 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 16 [2024-12-06 02:31:56,867 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:31:56,868 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 11 [2024-12-06 02:31:56,935 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 02:31:56,936 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad999eac-4a29-4855-99c2-730adcdf9411/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2024-12-06 02:31:59,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:31:59,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 11 states and 10 transitions. [2024-12-06 02:31:59,634 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 10 transitions. [2024-12-06 02:31:59,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-06 02:31:59,634 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:31:59,634 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:31:59,634 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad999eac-4a29-4855-99c2-730adcdf9411/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:31:59,635 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad999eac-4a29-4855-99c2-730adcdf9411/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:31:59,636 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad999eac-4a29-4855-99c2-730adcdf9411/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2024-12-06 02:31:59,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 02:31:59,791 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 02:31:59,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 02:32:00,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 02:32:00,197 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 02:32:00,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 02:32:00,337 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad999eac-4a29-4855-99c2-730adcdf9411/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2024-12-06 02:32:00,337 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 15 iterations. [2024-12-06 02:32:00,354 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 02:32:00 ImpRootNode [2024-12-06 02:32:00,354 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 02:32:00,354 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 02:32:00,354 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 02:32:00,354 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 02:32:00,355 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:31:49" (3/4) ... [2024-12-06 02:32:00,356 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-06 02:32:00,357 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 02:32:00,357 INFO L158 Benchmark]: Toolchain (without parser) took 11410.62ms. Allocated memory is still 92.3MB. Free memory was 68.7MB in the beginning and 63.1MB in the end (delta: 5.6MB). Peak memory consumption was 7.5MB. Max. memory is 16.1GB. [2024-12-06 02:32:00,358 INFO L158 Benchmark]: CDTParser took 0.29ms. 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 02:32:00,358 INFO L158 Benchmark]: CACSL2BoogieTranslator took 302.38ms. Allocated memory is still 92.3MB. Free memory was 68.6MB in the beginning and 51.1MB in the end (delta: 17.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 02:32:00,358 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.18ms. Allocated memory is still 92.3MB. Free memory was 51.1MB in the beginning and 49.5MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 02:32:00,358 INFO L158 Benchmark]: Boogie Preprocessor took 23.30ms. Allocated memory is still 92.3MB. Free memory was 49.5MB in the beginning and 48.3MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 02:32:00,358 INFO L158 Benchmark]: RCFGBuilder took 380.19ms. Allocated memory is still 92.3MB. Free memory was 48.3MB in the beginning and 58.7MB in the end (delta: -10.4MB). Peak memory consumption was 20.4MB. Max. memory is 16.1GB. [2024-12-06 02:32:00,359 INFO L158 Benchmark]: CodeCheck took 10662.97ms. Allocated memory is still 92.3MB. Free memory was 58.4MB in the beginning and 63.1MB in the end (delta: -4.7MB). Peak memory consumption was 37.4MB. Max. memory is 16.1GB. [2024-12-06 02:32:00,359 INFO L158 Benchmark]: Witness Printer took 2.71ms. Allocated memory is still 92.3MB. Free memory was 63.1MB in the beginning and 63.1MB in the end (delta: 23.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 02:32:00,360 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, 35 locations, 19 error locations. Started 1 CEGAR loops. OverallTime: 10.6s, OverallIterations: 15, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 115 SdHoareTripleChecker+Valid, 4.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 91 mSDsluCounter, 68 SdHoareTripleChecker+Invalid, 3.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 32 mSDsCounter, 363 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 922 IncrementalHoareTripleChecker+Invalid, 1285 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 363 mSolverCounterUnsat, 36 mSDtfsCounter, 922 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 572 GetRequests, 468 SyntacticMatches, 6 SemanticMatches, 98 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3152 ImplicationChecksByTransitivity, 6.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 82 NumberOfCodeBlocks, 82 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 59 ConstructedInterpolants, 0 QuantifiedInterpolants, 409 SizeOfPredicates, 22 NumberOfNonLiveVariables, 927 ConjunctsInSsa, 87 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: 543]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 543. Possible FailurePath: [L544] TData data; [L545] CALL alloc_data(&data) [L529] pdata->lo = malloc(16) [L530] pdata->hi = malloc(24) [L545] RET alloc_data(&data) [L546] CALL free_data(&data) [L534] EXPR data->lo [L534] void *lo = data->lo; [L535] EXPR data->hi [L535] void *hi = data->hi; [L536] COND FALSE !(lo == hi) VAL [data={-2147483643:0}] [L540] data->lo = (void *) 0 VAL [data={-2147483643:0}] [L541] data->hi = (void *) 0 [L546] RET free_data(&data) [L547] return 0; [L547] return 0; VAL [\result=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 83.9MB. Free memory is still 48.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 302.38ms. Allocated memory is still 92.3MB. Free memory was 68.6MB in the beginning and 51.1MB in the end (delta: 17.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.18ms. Allocated memory is still 92.3MB. Free memory was 51.1MB in the beginning and 49.5MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 23.30ms. Allocated memory is still 92.3MB. Free memory was 49.5MB in the beginning and 48.3MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 380.19ms. Allocated memory is still 92.3MB. Free memory was 48.3MB in the beginning and 58.7MB in the end (delta: -10.4MB). Peak memory consumption was 20.4MB. Max. memory is 16.1GB. * CodeCheck took 10662.97ms. Allocated memory is still 92.3MB. Free memory was 58.4MB in the beginning and 63.1MB in the end (delta: -4.7MB). Peak memory consumption was 37.4MB. Max. memory is 16.1GB. * Witness Printer took 2.71ms. Allocated memory is still 92.3MB. Free memory was 63.1MB in the beginning and 63.1MB in the end (delta: 23.1kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-12-06 02:32:00,378 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad999eac-4a29-4855-99c2-730adcdf9411/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