./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../../sv-benchmarks/c/heap-manipulation/bubble_sort_linux-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (memcleanup) Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_703e858d-7c6b-4ae5-a930-3cae611b9cb4/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_703e858d-7c6b-4ae5-a930-3cae611b9cb4/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_703e858d-7c6b-4ae5-a930-3cae611b9cb4/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_703e858d-7c6b-4ae5-a930-3cae611b9cb4/bin/ukojak-verify-EEHR8qb7sm/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/heap-manipulation/bubble_sort_linux-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_703e858d-7c6b-4ae5-a930-3cae611b9cb4/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-MemCleanup-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_703e858d-7c6b-4ae5-a930-3cae611b9cb4/bin/ukojak-verify-EEHR8qb7sm --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-memcleanup) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3b13662719be51a1d3330a7f40f7706daa8c7b2d4044bc92f854095c09c7c129 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:14:33,349 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:14:33,451 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_703e858d-7c6b-4ae5-a930-3cae611b9cb4/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-MemCleanup-32bit-Kojak_Default.epf [2024-11-13 22:14:33,458 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 22:14:33,459 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 22:14:33,491 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:14:33,493 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:14:33,494 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:14:33,495 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:14:33,495 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:14:33,495 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 22:14:33,495 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 22:14:33,496 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 22:14:33,496 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:14:33,496 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:14:33,496 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-13 22:14:33,498 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-13 22:14:33,498 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:14:33,498 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:14:33,498 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:14:33,498 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 22:14:33,498 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 22:14:33,498 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:14:33,499 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:14:33,499 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:14:33,499 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:14:33,499 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:14:33,499 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:14:33,499 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:14:33,499 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:14:33,500 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:14:33,500 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 22:14:33,500 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 22:14:33,500 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_703e858d-7c6b-4ae5-a930-3cae611b9cb4/bin/ukojak-verify-EEHR8qb7sm Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) 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 -> 3b13662719be51a1d3330a7f40f7706daa8c7b2d4044bc92f854095c09c7c129 [2024-11-13 22:14:33,844 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:14:33,856 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:14:33,859 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:14:33,860 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:14:33,860 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:14:33,863 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_703e858d-7c6b-4ae5-a930-3cae611b9cb4/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/heap-manipulation/bubble_sort_linux-2.i Unable to find full path for "g++" [2024-11-13 22:14:35,741 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:14:36,151 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:14:36,151 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_703e858d-7c6b-4ae5-a930-3cae611b9cb4/sv-benchmarks/c/heap-manipulation/bubble_sort_linux-2.i [2024-11-13 22:14:36,181 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_703e858d-7c6b-4ae5-a930-3cae611b9cb4/bin/ukojak-verify-EEHR8qb7sm/data/a9ead28a7/900ee0bc2741498d9cc62c6484dde220/FLAGad8847f6d [2024-11-13 22:14:36,328 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_703e858d-7c6b-4ae5-a930-3cae611b9cb4/bin/ukojak-verify-EEHR8qb7sm/data/a9ead28a7/900ee0bc2741498d9cc62c6484dde220 [2024-11-13 22:14:36,332 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:14:36,334 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:14:36,337 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:14:36,337 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:14:36,341 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:14:36,342 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:14:36" (1/1) ... [2024-11-13 22:14:36,343 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d0a59a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:14:36, skipping insertion in model container [2024-11-13 22:14:36,345 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:14:36" (1/1) ... [2024-11-13 22:14:36,395 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:14:37,048 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:14:37,058 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:14:37,125 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:14:37,173 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:14:37,173 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:14:37 WrapperNode [2024-11-13 22:14:37,174 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:14:37,175 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:14:37,175 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:14:37,175 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:14:37,182 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:14:37" (1/1) ... [2024-11-13 22:14:37,197 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:14:37" (1/1) ... [2024-11-13 22:14:37,233 INFO L138 Inliner]: procedures = 232, calls = 76, calls flagged for inlining = 34, calls inlined = 85, statements flattened = 580 [2024-11-13 22:14:37,234 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:14:37,234 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:14:37,235 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:14:37,235 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:14:37,242 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:14:37" (1/1) ... [2024-11-13 22:14:37,243 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:14:37" (1/1) ... [2024-11-13 22:14:37,248 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:14:37" (1/1) ... [2024-11-13 22:14:37,249 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:14:37" (1/1) ... [2024-11-13 22:14:37,272 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:14:37" (1/1) ... [2024-11-13 22:14:37,284 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:14:37" (1/1) ... [2024-11-13 22:14:37,287 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:14:37" (1/1) ... [2024-11-13 22:14:37,289 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:14:37" (1/1) ... [2024-11-13 22:14:37,300 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:14:37,300 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:14:37,301 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:14:37,301 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:14:37,302 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:14:37" (1/1) ... [2024-11-13 22:14:37,308 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:14:37,322 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_703e858d-7c6b-4ae5-a930-3cae611b9cb4/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:14:37,337 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_703e858d-7c6b-4ae5-a930-3cae611b9cb4/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:14:37,339 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_703e858d-7c6b-4ae5-a930-3cae611b9cb4/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:14:37,364 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-13 22:14:37,365 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 22:14:37,365 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-13 22:14:37,365 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-13 22:14:37,365 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-13 22:14:37,365 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-13 22:14:37,365 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:14:37,365 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-13 22:14:37,365 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 22:14:37,365 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:14:37,365 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:14:37,552 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:14:37,554 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:14:38,451 INFO L? ?]: Removed 116 outVars from TransFormulas that were not future-live. [2024-11-13 22:14:38,451 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:14:38,662 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:14:38,666 INFO L316 CfgBuilder]: Removed 76 assume(true) statements. [2024-11-13 22:14:38,666 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:14:38 BoogieIcfgContainer [2024-11-13 22:14:38,666 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:14:38,667 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:14:38,667 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:14:38,678 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:14:38,678 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:14:38" (1/1) ... [2024-11-13 22:14:38,691 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:14:38,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:14:38,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 255 states and 403 transitions. [2024-11-13 22:14:38,757 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 403 transitions. [2024-11-13 22:14:38,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 22:14:38,762 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:14:38,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:14:38,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:14:38,903 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:14:38,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:14:38,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 254 states and 397 transitions. [2024-11-13 22:14:38,946 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 397 transitions. [2024-11-13 22:14:38,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 22:14:38,946 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:14:38,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:14:39,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:14:39,087 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:14:39,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:14:39,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 254 states and 395 transitions. [2024-11-13 22:14:39,095 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 395 transitions. [2024-11-13 22:14:39,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-13 22:14:39,095 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:14:39,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:14:39,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:14:39,509 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:14:39,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:14:39,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 251 states and 392 transitions. [2024-11-13 22:14:39,675 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 392 transitions. [2024-11-13 22:14:39,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 22:14:39,676 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:14:39,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:14:39,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:14:40,321 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:14:41,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:14:41,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 402 states to 260 states and 402 transitions. [2024-11-13 22:14:41,294 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 402 transitions. [2024-11-13 22:14:41,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-13 22:14:41,294 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:14:41,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:14:41,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:14:42,025 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:14:43,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:14:43,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 418 states to 272 states and 418 transitions. [2024-11-13 22:14:43,751 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 418 transitions. [2024-11-13 22:14:43,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-13 22:14:43,753 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:14:43,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:14:43,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:14:44,458 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 22:14:47,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:14:47,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 444 states to 286 states and 444 transitions. [2024-11-13 22:14:47,116 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 444 transitions. [2024-11-13 22:14:47,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-13 22:14:47,118 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:14:47,118 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:14:47,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:14:47,919 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:14:51,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:14:51,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 466 states to 301 states and 466 transitions. [2024-11-13 22:14:51,003 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 466 transitions. [2024-11-13 22:14:51,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-13 22:14:51,004 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:14:51,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:14:51,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:14:51,864 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:14:54,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:14:54,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 307 states and 482 transitions. [2024-11-13 22:14:54,179 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 482 transitions. [2024-11-13 22:14:54,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-13 22:14:54,181 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:14:54,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:14:54,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:14:55,345 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:15:00,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:15:00,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 507 states to 324 states and 507 transitions. [2024-11-13 22:15:00,388 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 507 transitions. [2024-11-13 22:15:00,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-13 22:15:00,389 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:15:00,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:15:00,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:15:00,892 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 22:15:01,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:15:01,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 507 states to 325 states and 507 transitions. [2024-11-13 22:15:01,824 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 507 transitions. [2024-11-13 22:15:01,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-13 22:15:01,825 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:15:01,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:15:01,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:15:03,332 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:15:06,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:15:06,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 524 states to 332 states and 524 transitions. [2024-11-13 22:15:06,768 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 524 transitions. [2024-11-13 22:15:06,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-13 22:15:06,769 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:15:06,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:15:06,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:15:07,617 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:15:09,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:15:09,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 526 states to 333 states and 526 transitions. [2024-11-13 22:15:09,125 INFO L276 IsEmpty]: Start isEmpty. Operand 333 states and 526 transitions. [2024-11-13 22:15:09,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 22:15:09,127 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:15:09,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:15:09,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:15:10,631 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:15:18,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:15:18,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 552 states to 352 states and 552 transitions. [2024-11-13 22:15:18,502 INFO L276 IsEmpty]: Start isEmpty. Operand 352 states and 552 transitions. [2024-11-13 22:15:18,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-13 22:15:18,503 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:15:18,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:15:18,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:15:21,165 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:15:29,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:15:29,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 584 states to 367 states and 584 transitions. [2024-11-13 22:15:29,201 INFO L276 IsEmpty]: Start isEmpty. Operand 367 states and 584 transitions. [2024-11-13 22:15:29,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-13 22:15:29,202 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:15:29,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:15:29,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:15:30,373 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 1 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 22:15:32,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:15:32,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 591 states to 370 states and 591 transitions. [2024-11-13 22:15:32,437 INFO L276 IsEmpty]: Start isEmpty. Operand 370 states and 591 transitions. [2024-11-13 22:15:32,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:15:32,438 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:15:32,438 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:15:32,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:15:35,082 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:15:48,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:15:48,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 634 states to 393 states and 634 transitions. [2024-11-13 22:15:48,501 INFO L276 IsEmpty]: Start isEmpty. Operand 393 states and 634 transitions. [2024-11-13 22:15:48,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:15:48,501 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:15:48,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:15:48,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:15:50,026 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:15:53,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:15:53,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 641 states to 395 states and 641 transitions. [2024-11-13 22:15:53,010 INFO L276 IsEmpty]: Start isEmpty. Operand 395 states and 641 transitions. [2024-11-13 22:15:53,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:15:53,011 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:15:53,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:15:53,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:15:54,123 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:15:56,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:15:56,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 653 states to 399 states and 653 transitions. [2024-11-13 22:15:56,249 INFO L276 IsEmpty]: Start isEmpty. Operand 399 states and 653 transitions. [2024-11-13 22:15:56,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-13 22:15:56,250 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:15:56,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:15:56,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:15:58,113 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:16:02,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:16:02,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 658 states to 407 states and 658 transitions. [2024-11-13 22:16:02,515 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 658 transitions. [2024-11-13 22:16:02,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-13 22:16:02,516 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:16:02,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:16:02,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:16:04,206 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:16:05,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:16:05,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 657 states to 407 states and 657 transitions. [2024-11-13 22:16:05,990 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 657 transitions. [2024-11-13 22:16:05,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-13 22:16:05,991 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:16:05,991 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:16:06,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:16:07,953 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:16:14,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:16:14,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 677 states to 415 states and 677 transitions. [2024-11-13 22:16:14,805 INFO L276 IsEmpty]: Start isEmpty. Operand 415 states and 677 transitions. [2024-11-13 22:16:14,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-13 22:16:14,806 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:16:14,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:16:14,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:16:16,177 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:16:23,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:16:23,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 689 states to 425 states and 689 transitions. [2024-11-13 22:16:23,692 INFO L276 IsEmpty]: Start isEmpty. Operand 425 states and 689 transitions. [2024-11-13 22:16:23,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-13 22:16:23,692 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:16:23,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:16:23,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:16:26,003 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:16:44,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:16:44,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 722 states to 450 states and 722 transitions. [2024-11-13 22:16:44,604 INFO L276 IsEmpty]: Start isEmpty. Operand 450 states and 722 transitions. [2024-11-13 22:16:44,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:16:44,605 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:16:44,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:16:44,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:16:46,752 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:16:52,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:16:52,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 739 states to 455 states and 739 transitions. [2024-11-13 22:16:52,663 INFO L276 IsEmpty]: Start isEmpty. Operand 455 states and 739 transitions. [2024-11-13 22:16:52,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:16:52,663 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:16:52,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:16:52,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:16:56,265 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:17:12,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:17:12,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 778 states to 469 states and 778 transitions. [2024-11-13 22:17:12,774 INFO L276 IsEmpty]: Start isEmpty. Operand 469 states and 778 transitions. [2024-11-13 22:17:12,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-13 22:17:12,775 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:17:12,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:17:12,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:17:13,647 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:17:16,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:17:16,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 780 states to 472 states and 780 transitions. [2024-11-13 22:17:16,067 INFO L276 IsEmpty]: Start isEmpty. Operand 472 states and 780 transitions. [2024-11-13 22:17:16,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-13 22:17:16,068 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:17:16,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:17:16,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:17:16,091 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:17:16,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:17:16,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:17:16,213 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:17:16,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:17:16,303 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 27 iterations. [2024-11-13 22:17:16,340 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 10:17:16 ImpRootNode [2024-11-13 22:17:16,341 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 22:17:16,342 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 22:17:16,342 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 22:17:16,342 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 22:17:16,343 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:14:38" (3/4) ... [2024-11-13 22:17:16,344 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-13 22:17:16,403 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_703e858d-7c6b-4ae5-a930-3cae611b9cb4/bin/ukojak-verify-EEHR8qb7sm/witness.graphml [2024-11-13 22:17:16,404 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 22:17:16,404 INFO L158 Benchmark]: Toolchain (without parser) took 160070.78ms. Allocated memory was 117.4MB in the beginning and 1.3GB in the end (delta: 1.2GB). Free memory was 92.2MB in the beginning and 542.3MB in the end (delta: -450.1MB). Peak memory consumption was 774.7MB. Max. memory is 16.1GB. [2024-11-13 22:17:16,411 INFO L158 Benchmark]: CDTParser took 0.47ms. Allocated memory is still 167.8MB. Free memory is still 106.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:17:16,413 INFO L158 Benchmark]: CACSL2BoogieTranslator took 837.46ms. Allocated memory is still 117.4MB. Free memory was 91.9MB in the beginning and 65.5MB in the end (delta: 26.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-13 22:17:16,413 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.21ms. Allocated memory is still 117.4MB. Free memory was 65.5MB in the beginning and 62.1MB in the end (delta: 3.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:17:16,413 INFO L158 Benchmark]: Boogie Preprocessor took 65.36ms. Allocated memory is still 117.4MB. Free memory was 62.1MB in the beginning and 58.1MB in the end (delta: 3.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:17:16,414 INFO L158 Benchmark]: RCFGBuilder took 1366.05ms. Allocated memory is still 117.4MB. Free memory was 58.1MB in the beginning and 50.4MB in the end (delta: 7.7MB). Peak memory consumption was 33.1MB. Max. memory is 16.1GB. [2024-11-13 22:17:16,414 INFO L158 Benchmark]: CodeCheck took 157673.63ms. Allocated memory was 117.4MB in the beginning and 1.3GB in the end (delta: 1.2GB). Free memory was 49.8MB in the beginning and 546.7MB in the end (delta: -496.9MB). Peak memory consumption was 724.8MB. Max. memory is 16.1GB. [2024-11-13 22:17:16,414 INFO L158 Benchmark]: Witness Printer took 61.68ms. Allocated memory is still 1.3GB. Free memory was 546.7MB in the beginning and 542.3MB in the end (delta: 4.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:17:16,416 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, 255 locations, 35 error locations. Started 1 CEGAR loops. OverallTime: 157.6s, OverallIterations: 27, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 6780 SdHoareTripleChecker+Valid, 75.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4412 mSDsluCounter, 7679 SdHoareTripleChecker+Invalid, 70.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 6820 mSDsCounter, 2873 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 11799 IncrementalHoareTripleChecker+Invalid, 14672 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2873 mSolverCounterUnsat, 859 mSDtfsCounter, 11799 mSolverCounterSat, 0.5s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 5837 GetRequests, 4955 SyntacticMatches, 166 SemanticMatches, 716 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 266747 ImplicationChecksByTransitivity, 134.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 33.0s InterpolantComputationTime, 642 NumberOfCodeBlocks, 642 NumberOfCodeBlocksAsserted, 27 NumberOfCheckSat, 582 ConstructedInterpolants, 0 QuantifiedInterpolants, 12500 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 26 InterpolantComputations, 10 PerfectInterpolantSequences, 18/140 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 - CounterExampleResult [Line: 12]: not all allocated memory was freed not all allocated memory was freed We found a FailurePath: [L850] struct list_head gl_list = { &(gl_list), &(gl_list) }; [L949] CALL gl_read() [L909] CALL gl_insert(__VERIFIER_nondet_int()) [L899] struct node *node = malloc(sizeof *node); [L900] COND FALSE !(!node) [L902] node->value = value [L903] CALL list_add(&node->linkage, &gl_list) [L890] EXPR head->next [L890] CALL __list_add(new, head, head->next) [L878] next->prev = new [L879] new->next = next [L880] new->prev = prev [L881] prev->next = new [L890] RET __list_add(new, head, head->next) [L903] RET list_add(&node->linkage, &gl_list) [L904] (&node->nested)->next = (&node->nested) [L904] (&node->nested)->next = (&node->nested) VAL [gl_list={3:0}, node={-1:0}] [L909] RET gl_insert(__VERIFIER_nondet_int()) [L911] COND FALSE !(__VERIFIER_nondet_int()) [L949] RET gl_read() [L950] CALL inspect(&gl_list) [L853] COND FALSE !(!(head)) VAL [gl_list={3:0}, head={3:0}] [L854] EXPR head->next VAL [gl_list={3:0}, head={3:0}] [L854] COND FALSE !(!(head->next != head)) [L855] EXPR head->prev VAL [gl_list={3:0}, head={3:0}] [L855] COND FALSE !(!(head->prev != head)) [L856] EXPR head->prev [L856] head = head->prev [L857] COND FALSE !(!(head)) VAL [gl_list={3:0}, head={-1:4}] [L858] EXPR head->next VAL [gl_list={3:0}, head={-1:4}] [L858] COND FALSE !(!(head->next != head)) [L859] EXPR head->prev VAL [gl_list={3:0}, head={-1:4}] [L859] COND FALSE !(!(head->prev != head)) [L860] const struct node *node = ((struct node *)((char *)(head)-(unsigned long)(&((struct node *)0)->linkage))); VAL [gl_list={3:0}, head={-1:4}, node={-1:0}] [L861] COND FALSE !(!(node)) VAL [gl_list={3:0}, head={-1:4}, node={-1:0}] [L862] EXPR node->nested.next VAL [gl_list={3:0}, head={-1:4}, node={-1:0}] [L862] COND FALSE !(!(node->nested.next == &node->nested)) [L863] EXPR node->nested.prev VAL [gl_list={3:0}, head={-1:4}, node={-1:0}] [L863] COND TRUE !(node->nested.prev == &node->nested) [L863] CALL fail() [L840] CALL reach_error() [L12] COND FALSE !(0) VAL [gl_list={3:0}] [L12] __assert_fail ("0", "bubble_sort_linux-2.c", 3, __extension__ __PRETTY_FUNCTION__) VAL [gl_list={3:0}] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.47ms. Allocated memory is still 167.8MB. Free memory is still 106.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 837.46ms. Allocated memory is still 117.4MB. Free memory was 91.9MB in the beginning and 65.5MB in the end (delta: 26.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 59.21ms. Allocated memory is still 117.4MB. Free memory was 65.5MB in the beginning and 62.1MB in the end (delta: 3.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 65.36ms. Allocated memory is still 117.4MB. Free memory was 62.1MB in the beginning and 58.1MB in the end (delta: 3.9MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 1366.05ms. Allocated memory is still 117.4MB. Free memory was 58.1MB in the beginning and 50.4MB in the end (delta: 7.7MB). Peak memory consumption was 33.1MB. Max. memory is 16.1GB. * CodeCheck took 157673.63ms. Allocated memory was 117.4MB in the beginning and 1.3GB in the end (delta: 1.2GB). Free memory was 49.8MB in the beginning and 546.7MB in the end (delta: -496.9MB). Peak memory consumption was 724.8MB. Max. memory is 16.1GB. * Witness Printer took 61.68ms. Allocated memory is still 1.3GB. Free memory was 546.7MB in the beginning and 542.3MB in the end (delta: 4.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-11-13 22:17:16,448 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_703e858d-7c6b-4ae5-a930-3cae611b9cb4/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(valid-memcleanup)