./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/list-ext-properties/960521-1_1-3.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c1dc9ee-aa71-4353-bbb4-686b6ba68ccc/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c1dc9ee-aa71-4353-bbb4-686b6ba68ccc/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_7c1dc9ee-aa71-4353-bbb4-686b6ba68ccc/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c1dc9ee-aa71-4353-bbb4-686b6ba68ccc/bin/ukojak-verify-EEHR8qb7sm/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/list-ext-properties/960521-1_1-3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c1dc9ee-aa71-4353-bbb4-686b6ba68ccc/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c1dc9ee-aa71-4353-bbb4-686b6ba68ccc/bin/ukojak-verify-EEHR8qb7sm --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b78007c6b6ea6b815e47bde6b36f25c26c431b61fea97b83eeeefa52c8c4206a --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:17:38,246 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:17:38,329 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c1dc9ee-aa71-4353-bbb4-686b6ba68ccc/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2024-11-13 21:17:38,335 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 21:17:38,335 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 21:17:38,363 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:17:38,365 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:17:38,365 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:17:38,365 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:17:38,365 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 21:17:38,365 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 21:17:38,366 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 21:17:38,366 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:17:38,366 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-13 21:17:38,366 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-13 21:17:38,366 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-13 21:17:38,366 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:17:38,366 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:17:38,367 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 21:17:38,367 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 21:17:38,367 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:17:38,367 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:17:38,367 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:17:38,367 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:17:38,367 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:17:38,368 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:17:38,368 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:17:38,368 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:17:38,368 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 21:17:38,368 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 21:17:38,368 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_7c1dc9ee-aa71-4353-bbb4-686b6ba68ccc/bin/ukojak-verify-EEHR8qb7sm Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b78007c6b6ea6b815e47bde6b36f25c26c431b61fea97b83eeeefa52c8c4206a [2024-11-13 21:17:38,738 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:17:38,749 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:17:38,752 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:17:38,754 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:17:38,754 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:17:38,756 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c1dc9ee-aa71-4353-bbb4-686b6ba68ccc/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/list-ext-properties/960521-1_1-3.i Unable to find full path for "g++" [2024-11-13 21:17:41,153 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:17:41,468 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:17:41,469 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c1dc9ee-aa71-4353-bbb4-686b6ba68ccc/sv-benchmarks/c/list-ext-properties/960521-1_1-3.i [2024-11-13 21:17:41,481 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c1dc9ee-aa71-4353-bbb4-686b6ba68ccc/bin/ukojak-verify-EEHR8qb7sm/data/de257ed6d/2bf4f17d22c6447897b98579fe623a1b/FLAG2302e2644 [2024-11-13 21:17:41,498 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c1dc9ee-aa71-4353-bbb4-686b6ba68ccc/bin/ukojak-verify-EEHR8qb7sm/data/de257ed6d/2bf4f17d22c6447897b98579fe623a1b [2024-11-13 21:17:41,501 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:17:41,502 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:17:41,503 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:17:41,504 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:17:41,508 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:17:41,509 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:17:41" (1/1) ... [2024-11-13 21:17:41,510 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c659065 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:17:41, skipping insertion in model container [2024-11-13 21:17:41,510 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:17:41" (1/1) ... [2024-11-13 21:17:41,549 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:17:41,874 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:17:41,884 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:17:41,940 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:17:41,968 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:17:41,969 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:17:41 WrapperNode [2024-11-13 21:17:41,969 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:17:41,970 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:17:41,970 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:17:41,970 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:17:41,977 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:17:41" (1/1) ... [2024-11-13 21:17:41,988 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:17:41" (1/1) ... [2024-11-13 21:17:42,007 INFO L138 Inliner]: procedures = 122, calls = 17, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 72 [2024-11-13 21:17:42,007 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:17:42,008 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:17:42,008 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:17:42,008 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:17:42,013 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:17:41" (1/1) ... [2024-11-13 21:17:42,013 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:17:41" (1/1) ... [2024-11-13 21:17:42,016 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:17:41" (1/1) ... [2024-11-13 21:17:42,016 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:17:41" (1/1) ... [2024-11-13 21:17:42,023 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:17:41" (1/1) ... [2024-11-13 21:17:42,027 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:17:41" (1/1) ... [2024-11-13 21:17:42,028 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:17:41" (1/1) ... [2024-11-13 21:17:42,029 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:17:41" (1/1) ... [2024-11-13 21:17:42,031 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:17:42,032 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:17:42,033 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:17:42,033 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:17:42,034 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:17:41" (1/1) ... [2024-11-13 21:17:42,039 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:17:42,059 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c1dc9ee-aa71-4353-bbb4-686b6ba68ccc/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:17:42,075 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c1dc9ee-aa71-4353-bbb4-686b6ba68ccc/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:17:42,082 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c1dc9ee-aa71-4353-bbb4-686b6ba68ccc/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:17:42,106 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-13 21:17:42,107 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-13 21:17:42,107 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-13 21:17:42,107 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:17:42,107 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 21:17:42,107 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 21:17:42,107 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:17:42,107 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:17:42,233 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:17:42,235 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:17:42,473 INFO L? ?]: Removed 13 outVars from TransFormulas that were not future-live. [2024-11-13 21:17:42,473 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:17:42,527 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:17:42,527 INFO L316 CfgBuilder]: Removed 3 assume(true) statements. [2024-11-13 21:17:42,527 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:17:42 BoogieIcfgContainer [2024-11-13 21:17:42,527 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:17:42,528 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:17:42,528 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:17:42,540 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:17:42,540 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:17:42" (1/1) ... [2024-11-13 21:17:42,551 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:17:42,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:17:42,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 47 states and 51 transitions. [2024-11-13 21:17:42,615 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 51 transitions. [2024-11-13 21:17:42,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 21:17:42,618 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:17:42,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:17:42,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:17:42,782 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 21:17:42,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:17:42,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 47 states and 50 transitions. [2024-11-13 21:17:42,810 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 50 transitions. [2024-11-13 21:17:42,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-13 21:17:42,810 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:17:42,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:17:42,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:17:42,987 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 21:17:43,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:17:43,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 46 states and 49 transitions. [2024-11-13 21:17:43,021 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 49 transitions. [2024-11-13 21:17:43,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-13 21:17:43,021 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:17:43,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:17:43,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:17:43,281 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 21:17:43,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:17:43,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 50 states and 56 transitions. [2024-11-13 21:17:43,483 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 56 transitions. [2024-11-13 21:17:43,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 21:17:43,483 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:17:43,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:17:43,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:17:43,716 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 21:17:43,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:17:43,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 52 states and 60 transitions. [2024-11-13 21:17:43,951 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 60 transitions. [2024-11-13 21:17:43,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 21:17:43,951 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:17:43,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:17:43,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:17:44,320 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 21:17:45,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:17:45,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 54 states and 65 transitions. [2024-11-13 21:17:45,157 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 65 transitions. [2024-11-13 21:17:45,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 21:17:45,159 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:17:45,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:17:45,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:17:45,369 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:17:45,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:17:45,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 49 states and 55 transitions. [2024-11-13 21:17:45,638 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 55 transitions. [2024-11-13 21:17:45,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 21:17:45,638 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:17:45,638 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:17:45,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:17:45,754 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 21:17:46,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:17:46,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 51 states and 57 transitions. [2024-11-13 21:17:46,416 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 57 transitions. [2024-11-13 21:17:46,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 21:17:46,416 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:17:46,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:17:46,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:17:46,566 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:17:47,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:17:47,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 53 states and 61 transitions. [2024-11-13 21:17:47,178 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 61 transitions. [2024-11-13 21:17:47,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-13 21:17:47,179 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:17:47,179 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:17:47,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:17:47,356 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 21:17:48,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:17:48,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 57 states and 70 transitions. [2024-11-13 21:17:48,531 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 70 transitions. [2024-11-13 21:17:48,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-13 21:17:48,531 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:17:48,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:17:48,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:17:49,010 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 21:17:51,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:17:51,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 61 states and 80 transitions. [2024-11-13 21:17:51,534 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 80 transitions. [2024-11-13 21:17:51,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-13 21:17:51,534 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:17:51,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:17:51,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:17:51,585 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 21:17:52,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:17:52,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 62 states and 82 transitions. [2024-11-13 21:17:52,036 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 82 transitions. [2024-11-13 21:17:52,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-13 21:17:52,037 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:17:52,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:17:52,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:17:52,080 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 21:17:52,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:17:52,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 63 states and 82 transitions. [2024-11-13 21:17:52,810 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 82 transitions. [2024-11-13 21:17:52,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-13 21:17:52,811 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:17:52,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:17:52,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:17:53,058 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:17:54,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:17:54,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 63 states and 80 transitions. [2024-11-13 21:17:54,198 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 80 transitions. [2024-11-13 21:17:54,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-13 21:17:54,199 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:17:54,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:17:54,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:17:55,048 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:17:58,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:17:58,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 66 states and 88 transitions. [2024-11-13 21:17:58,470 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 88 transitions. [2024-11-13 21:17:58,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 21:17:58,471 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:17:58,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:17:58,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:17:58,613 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 21:17:59,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:17:59,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 71 states and 96 transitions. [2024-11-13 21:17:59,975 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 96 transitions. [2024-11-13 21:17:59,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 21:17:59,975 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:17:59,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:17:59,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:18:00,007 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 21:18:00,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:18:00,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 72 states and 96 transitions. [2024-11-13 21:18:00,025 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 96 transitions. [2024-11-13 21:18:00,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 21:18:00,027 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:18:00,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:18:00,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:18:00,228 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 21:18:03,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:18:03,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 79 states and 108 transitions. [2024-11-13 21:18:03,418 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 108 transitions. [2024-11-13 21:18:03,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 21:18:03,419 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:18:03,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:18:03,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:18:03,454 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 21:18:03,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:18:03,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 81 states and 109 transitions. [2024-11-13 21:18:03,486 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 109 transitions. [2024-11-13 21:18:03,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 21:18:03,487 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:18:03,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:18:03,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:18:04,056 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:18:08,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:18:08,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 90 states and 122 transitions. [2024-11-13 21:18:08,620 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 122 transitions. [2024-11-13 21:18:08,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-13 21:18:08,621 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:18:08,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:18:08,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:18:08,652 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:18:10,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:18:10,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 96 states and 132 transitions. [2024-11-13 21:18:10,711 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 132 transitions. [2024-11-13 21:18:10,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-13 21:18:10,712 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:18:10,712 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:18:10,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:18:10,747 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:18:10,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:18:10,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 99 states and 135 transitions. [2024-11-13 21:18:10,773 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 135 transitions. [2024-11-13 21:18:10,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-13 21:18:10,773 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:18:10,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:18:10,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:18:10,807 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-13 21:18:12,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:18:12,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 101 states and 139 transitions. [2024-11-13 21:18:12,018 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 139 transitions. [2024-11-13 21:18:12,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-13 21:18:12,018 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:18:12,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:18:12,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:18:12,068 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 21:18:13,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:18:13,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 102 states and 139 transitions. [2024-11-13 21:18:13,273 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 139 transitions. [2024-11-13 21:18:13,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-13 21:18:13,273 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:18:13,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:18:13,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:18:14,462 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 21:18:20,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:18:20,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 106 states and 151 transitions. [2024-11-13 21:18:20,332 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 151 transitions. [2024-11-13 21:18:20,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-13 21:18:20,333 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:18:20,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:18:20,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:18:20,561 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 21:18:21,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:18:21,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 107 states and 153 transitions. [2024-11-13 21:18:21,534 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 153 transitions. [2024-11-13 21:18:21,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-13 21:18:21,535 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:18:21,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:18:21,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:18:21,573 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-13 21:18:22,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:18:22,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 108 states and 154 transitions. [2024-11-13 21:18:22,316 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 154 transitions. [2024-11-13 21:18:22,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-13 21:18:22,316 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:18:22,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:18:22,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:18:22,329 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:18:22,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:18:22,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:18:22,396 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:18:22,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:18:22,442 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 27 iterations. [2024-11-13 21:18:22,492 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 09:18:22 ImpRootNode [2024-11-13 21:18:22,493 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 21:18:22,493 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 21:18:22,493 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 21:18:22,494 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 21:18:22,495 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:17:42" (3/4) ... [2024-11-13 21:18:22,496 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-13 21:18:22,550 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c1dc9ee-aa71-4353-bbb4-686b6ba68ccc/bin/ukojak-verify-EEHR8qb7sm/witness.graphml [2024-11-13 21:18:22,551 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 21:18:22,552 INFO L158 Benchmark]: Toolchain (without parser) took 41049.62ms. Allocated memory was 142.6MB in the beginning and 268.4MB in the end (delta: 125.8MB). Free memory was 116.2MB in the beginning and 116.7MB in the end (delta: -561.5kB). Peak memory consumption was 127.0MB. Max. memory is 16.1GB. [2024-11-13 21:18:22,552 INFO L158 Benchmark]: CDTParser took 0.41ms. Allocated memory is still 117.4MB. Free memory was 75.6MB in the beginning and 75.4MB in the end (delta: 195.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:18:22,553 INFO L158 Benchmark]: CACSL2BoogieTranslator took 466.11ms. Allocated memory is still 142.6MB. Free memory was 115.9MB in the beginning and 98.8MB in the end (delta: 17.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 21:18:22,553 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.29ms. Allocated memory is still 142.6MB. Free memory was 98.6MB in the beginning and 97.2MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:18:22,554 INFO L158 Benchmark]: Boogie Preprocessor took 23.91ms. Allocated memory is still 142.6MB. Free memory was 97.2MB in the beginning and 96.2MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:18:22,554 INFO L158 Benchmark]: RCFGBuilder took 495.07ms. Allocated memory is still 142.6MB. Free memory was 96.2MB in the beginning and 80.4MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 21:18:22,555 INFO L158 Benchmark]: CodeCheck took 39964.37ms. Allocated memory was 142.6MB in the beginning and 268.4MB in the end (delta: 125.8MB). Free memory was 80.4MB in the beginning and 116.8MB in the end (delta: -36.4MB). Peak memory consumption was 93.4MB. Max. memory is 16.1GB. [2024-11-13 21:18:22,555 INFO L158 Benchmark]: Witness Printer took 57.52ms. Allocated memory is still 268.4MB. Free memory was 116.8MB in the beginning and 116.7MB in the end (delta: 51.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:18:22,558 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, 47 locations, 21 error locations. Started 1 CEGAR loops. OverallTime: 39.9s, OverallIterations: 27, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2096 SdHoareTripleChecker+Valid, 17.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1403 mSDsluCounter, 849 SdHoareTripleChecker+Invalid, 15.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 403 mSDsCounter, 1806 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 7126 IncrementalHoareTripleChecker+Invalid, 8932 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1806 mSolverCounterUnsat, 446 mSDtfsCounter, 7126 mSolverCounterSat, 0.3s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2475 GetRequests, 2120 SyntacticMatches, 37 SemanticMatches, 318 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46419 ImplicationChecksByTransitivity, 34.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 5.5s InterpolantComputationTime, 289 NumberOfCodeBlocks, 289 NumberOfCodeBlocksAsserted, 27 NumberOfCheckSat, 248 ConstructedInterpolants, 0 QuantifiedInterpolants, 1612 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 26 InterpolantComputations, 18 PerfectInterpolantSequences, 39/59 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: 547]: free of unallocated memory possible free of unallocated memory possible We found a FailurePath: [L523] int *a, *b; [L524] int n; [L536] n = 1 VAL [a={0:0}, b={0:0}, n=1] [L537] COND FALSE !(__VERIFIER_nondet_int() && n < 30) [L540] a = malloc(n * sizeof(*a)) [L541] b = malloc(n * sizeof(*b)) [L542] EXPR b++ VAL [a={-7178:0}, b={-7177:4}, n=1] [L542] *b++ = 0 [L543] CALL foo() [L528] int i; [L529] i = 0 VAL [a={-7178:0}, b={-7177:4}, i=0, n=1] [L529] COND TRUE i < n VAL [a={-7178:0}, b={-7177:4}, i=0, n=1] [L530] a[i] = -1 [L529] i++ VAL [a={-7178:0}, b={-7177:4}, i=1, n=1] [L529] COND FALSE !(i < n) [L531] i = 0 VAL [a={-7178:0}, b={-7177:4}, i=0, n=1] [L531] COND FALSE !(i < n - 1) [L543] RET foo() [L544] b[-1] VAL [a={-7178:0}, b={-7177:4}, n=1] [L544] COND FALSE !(b[-1]) [L547] free(a) VAL [a={-7178:0}, b={-7177:4}, n=1] [L547] free(a) VAL [a={-7178:0}, b={-7177:4}, n=1] [L547] free(a) [L547] free(b) VAL [a={-7178:0}, b={-7177:4}, n=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41ms. Allocated memory is still 117.4MB. Free memory was 75.6MB in the beginning and 75.4MB in the end (delta: 195.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 466.11ms. Allocated memory is still 142.6MB. Free memory was 115.9MB in the beginning and 98.8MB in the end (delta: 17.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.29ms. Allocated memory is still 142.6MB. Free memory was 98.6MB in the beginning and 97.2MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 23.91ms. Allocated memory is still 142.6MB. Free memory was 97.2MB in the beginning and 96.2MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 495.07ms. Allocated memory is still 142.6MB. Free memory was 96.2MB in the beginning and 80.4MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 39964.37ms. Allocated memory was 142.6MB in the beginning and 268.4MB in the end (delta: 125.8MB). Free memory was 80.4MB in the beginning and 116.8MB in the end (delta: -36.4MB). Peak memory consumption was 93.4MB. Max. memory is 16.1GB. * Witness Printer took 57.52ms. Allocated memory is still 268.4MB. Free memory was 116.8MB in the beginning and 116.7MB in the end (delta: 51.2kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-11-13 21:18:22,594 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c1dc9ee-aa71-4353-bbb4-686b6ba68ccc/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-free)