./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/termination-dietlibc/strtok_r.i --full-output --architecture 64bit -------------------------------------------------------------------------------- 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_fba1059f-9ccf-4755-987b-e89de74d6c4f/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1059f-9ccf-4755-987b-e89de74d6c4f/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_fba1059f-9ccf-4755-987b-e89de74d6c4f/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1059f-9ccf-4755-987b-e89de74d6c4f/bin/ukojak-verify-EEHR8qb7sm/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/termination-dietlibc/strtok_r.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1059f-9ccf-4755-987b-e89de74d6c4f/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1059f-9ccf-4755-987b-e89de74d6c4f/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 64bit --witnessprinter.graph.data.programhash 768358a1bcdb56fc885a8df113baa43d689898e0e32c0ab06e790a868148d36d --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:58:12,910 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:58:12,998 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1059f-9ccf-4755-987b-e89de74d6c4f/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Default.epf [2024-11-13 22:58:13,003 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 22:58:13,003 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 22:58:13,025 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:58:13,028 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:58:13,028 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:58:13,029 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:58:13,029 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 22:58:13,030 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:58:13,030 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-13 22:58:13,030 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-13 22:58:13,030 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-13 22:58:13,031 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:58:13,031 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:58:13,031 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 22:58:13,031 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:58:13,031 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:58:13,031 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:58:13,031 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:58:13,031 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:58:13,031 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:58:13,032 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:58:13,032 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:58:13,032 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 22:58:13,032 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 22:58:13,032 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_fba1059f-9ccf-4755-987b-e89de74d6c4f/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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 768358a1bcdb56fc885a8df113baa43d689898e0e32c0ab06e790a868148d36d [2024-11-13 22:58:13,357 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:58:13,366 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:58:13,368 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:58:13,370 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:58:13,370 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:58:13,372 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1059f-9ccf-4755-987b-e89de74d6c4f/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/termination-dietlibc/strtok_r.i Unable to find full path for "g++" [2024-11-13 22:58:15,283 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:58:15,603 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:58:15,604 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1059f-9ccf-4755-987b-e89de74d6c4f/sv-benchmarks/c/termination-dietlibc/strtok_r.i [2024-11-13 22:58:15,617 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1059f-9ccf-4755-987b-e89de74d6c4f/bin/ukojak-verify-EEHR8qb7sm/data/1ab2e842e/fb50664344194252a773a36835d0d7da/FLAGe4da264da [2024-11-13 22:58:15,849 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1059f-9ccf-4755-987b-e89de74d6c4f/bin/ukojak-verify-EEHR8qb7sm/data/1ab2e842e/fb50664344194252a773a36835d0d7da [2024-11-13 22:58:15,851 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:58:15,853 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:58:15,854 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:58:15,854 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:58:15,859 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:58:15,860 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:58:15" (1/1) ... [2024-11-13 22:58:15,861 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@91202ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:58:15, skipping insertion in model container [2024-11-13 22:58:15,861 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:58:15" (1/1) ... [2024-11-13 22:58:15,896 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:58:16,177 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:58:16,189 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:58:16,246 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:58:16,273 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:58:16,274 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:58:16 WrapperNode [2024-11-13 22:58:16,274 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:58:16,275 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:58:16,275 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:58:16,275 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:58:16,283 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:58:16" (1/1) ... [2024-11-13 22:58:16,300 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:58:16" (1/1) ... [2024-11-13 22:58:16,332 INFO L138 Inliner]: procedures = 118, calls = 31, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 152 [2024-11-13 22:58:16,333 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:58:16,336 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:58:16,336 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:58:16,336 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:58:16,346 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:58:16" (1/1) ... [2024-11-13 22:58:16,347 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:58:16" (1/1) ... [2024-11-13 22:58:16,355 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:58:16" (1/1) ... [2024-11-13 22:58:16,355 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:58:16" (1/1) ... [2024-11-13 22:58:16,370 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:58:16" (1/1) ... [2024-11-13 22:58:16,374 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:58:16" (1/1) ... [2024-11-13 22:58:16,380 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:58:16" (1/1) ... [2024-11-13 22:58:16,384 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:58:16" (1/1) ... [2024-11-13 22:58:16,386 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:58:16,390 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:58:16,391 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:58:16,391 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:58:16,392 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:58:16" (1/1) ... [2024-11-13 22:58:16,405 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:58:16,421 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1059f-9ccf-4755-987b-e89de74d6c4f/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:58:16,434 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1059f-9ccf-4755-987b-e89de74d6c4f/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:58:16,440 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1059f-9ccf-4755-987b-e89de74d6c4f/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:58:16,469 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-13 22:58:16,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-13 22:58:16,469 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 22:58:16,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-13 22:58:16,469 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-13 22:58:16,469 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 22:58:16,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-13 22:58:16,469 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:58:16,469 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:58:16,598 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:58:16,600 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:58:17,070 INFO L? ?]: Removed 105 outVars from TransFormulas that were not future-live. [2024-11-13 22:58:17,071 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:58:17,131 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:58:17,131 INFO L316 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-13 22:58:17,131 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:58:17 BoogieIcfgContainer [2024-11-13 22:58:17,132 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:58:17,133 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:58:17,133 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:58:17,147 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:58:17,147 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:58:17" (1/1) ... [2024-11-13 22:58:17,158 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:58:17,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:58:17,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 66 states and 81 transitions. [2024-11-13 22:58:17,210 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 81 transitions. [2024-11-13 22:58:17,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-13 22:58:17,213 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:58:17,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:58:17,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:58:17,355 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:58:17,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:58:17,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 67 states and 83 transitions. [2024-11-13 22:58:17,409 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 83 transitions. [2024-11-13 22:58:17,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-13 22:58:17,409 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:58:17,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:58:17,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:58:17,561 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 22:58:17,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:58:17,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 66 states and 82 transitions. [2024-11-13 22:58:17,598 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 82 transitions. [2024-11-13 22:58:17,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-13 22:58:17,599 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:58:17,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:58:17,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:58:17,866 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:58:18,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:58:18,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 65 states and 81 transitions. [2024-11-13 22:58:18,211 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 81 transitions. [2024-11-13 22:58:18,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-13 22:58:18,212 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:58:18,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:58:18,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:58:18,391 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 22:58:18,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:58:18,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 65 states and 80 transitions. [2024-11-13 22:58:18,614 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 80 transitions. [2024-11-13 22:58:18,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 22:58:18,614 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:58:18,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:58:18,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:58:18,780 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 22:58:18,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:58:18,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 64 states and 79 transitions. [2024-11-13 22:58:18,848 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 79 transitions. [2024-11-13 22:58:18,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 22:58:18,849 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:58:18,851 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:58:18,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:58:19,040 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 22:58:20,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:58:20,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 62 states and 76 transitions. [2024-11-13 22:58:20,018 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 76 transitions. [2024-11-13 22:58:20,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 22:58:20,020 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:58:20,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:58:20,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:58:20,344 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 22:58:20,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:58:20,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 63 states and 77 transitions. [2024-11-13 22:58:20,940 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 77 transitions. [2024-11-13 22:58:20,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 22:58:20,941 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:58:20,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:58:20,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:58:21,417 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 22:58:22,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:58:22,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 64 states and 79 transitions. [2024-11-13 22:58:22,675 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 79 transitions. [2024-11-13 22:58:22,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 22:58:22,676 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:58:22,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:58:22,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:58:22,967 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 22:58:23,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:58:23,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 67 states and 85 transitions. [2024-11-13 22:58:23,998 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 85 transitions. [2024-11-13 22:58:23,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 22:58:23,999 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:58:23,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:58:24,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:58:24,564 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 22:58:27,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:58:27,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 70 states and 92 transitions. [2024-11-13 22:58:27,231 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 92 transitions. [2024-11-13 22:58:27,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-13 22:58:27,232 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:58:27,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:58:27,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:58:27,438 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 22:58:28,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:58:28,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 74 states and 103 transitions. [2024-11-13 22:58:28,286 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 103 transitions. [2024-11-13 22:58:28,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-13 22:58:28,287 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:58:28,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:58:28,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:58:28,979 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 22:58:31,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:58:31,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 78 states and 114 transitions. [2024-11-13 22:58:31,232 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 114 transitions. [2024-11-13 22:58:31,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-13 22:58:31,233 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:58:31,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:58:31,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:58:31,270 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 22:58:32,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:58:32,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 81 states and 122 transitions. [2024-11-13 22:58:32,233 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 122 transitions. [2024-11-13 22:58:32,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-13 22:58:32,234 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:58:32,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:58:32,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:58:32,419 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 22:58:33,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:58:33,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 85 states and 132 transitions. [2024-11-13 22:58:33,478 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 132 transitions. [2024-11-13 22:58:33,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 22:58:33,478 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:58:33,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:58:33,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:58:33,669 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 22:58:33,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:58:33,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 86 states and 133 transitions. [2024-11-13 22:58:33,820 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 133 transitions. [2024-11-13 22:58:33,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 22:58:33,821 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:58:33,821 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:58:33,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:58:34,062 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:58:34,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:58:34,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 87 states and 134 transitions. [2024-11-13 22:58:34,650 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 134 transitions. [2024-11-13 22:58:34,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 22:58:34,651 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:58:34,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:58:34,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:58:34,709 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 22:58:37,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:58:37,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 93 states and 151 transitions. [2024-11-13 22:58:37,017 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 151 transitions. [2024-11-13 22:58:37,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 22:58:37,017 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:58:37,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:58:37,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:58:37,281 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 22:58:41,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:58:41,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 99 states and 169 transitions. [2024-11-13 22:58:41,228 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 169 transitions. [2024-11-13 22:58:41,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 22:58:41,229 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:58:41,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:58:41,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:58:41,253 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 22:58:41,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:58:41,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 100 states and 171 transitions. [2024-11-13 22:58:41,743 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 171 transitions. [2024-11-13 22:58:41,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 22:58:41,744 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:58:41,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:58:41,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:58:42,173 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 22:58:42,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:58:42,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 103 states and 176 transitions. [2024-11-13 22:58:42,813 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 176 transitions. [2024-11-13 22:58:42,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 22:58:42,813 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:58:42,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:58:42,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:58:42,847 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 22:58:42,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:58:42,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 105 states and 180 transitions. [2024-11-13 22:58:42,884 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 180 transitions. [2024-11-13 22:58:42,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 22:58:42,886 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:58:42,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:58:42,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:58:42,959 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:58:42,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:58:42,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 107 states and 185 transitions. [2024-11-13 22:58:42,991 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 185 transitions. [2024-11-13 22:58:42,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 22:58:42,994 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:58:42,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:58:43,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:58:43,172 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 22:58:43,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:58:43,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 108 states and 186 transitions. [2024-11-13 22:58:43,782 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 186 transitions. [2024-11-13 22:58:43,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 22:58:43,782 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:58:43,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:58:43,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:58:44,487 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 22:58:52,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:58:52,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 114 states and 203 transitions. [2024-11-13 22:58:52,010 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 203 transitions. [2024-11-13 22:58:52,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-13 22:58:52,010 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:58:52,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:58:52,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:58:52,275 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 22:58:56,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:58:56,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 122 states and 225 transitions. [2024-11-13 22:58:56,638 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 225 transitions. [2024-11-13 22:58:56,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-13 22:58:56,638 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:58:56,638 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:58:56,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:58:57,840 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 22:59:03,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:59:03,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 128 states and 243 transitions. [2024-11-13 22:59:03,638 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 243 transitions. [2024-11-13 22:59:03,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-13 22:59:03,638 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:59:03,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:59:03,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:59:03,655 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:59:03,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:59:03,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:59:03,729 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:59:03,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:59:03,782 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 27 iterations. [2024-11-13 22:59:03,823 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 10:59:03 ImpRootNode [2024-11-13 22:59:03,823 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 22:59:03,824 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 22:59:03,824 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 22:59:03,824 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 22:59:03,825 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:58:17" (3/4) ... [2024-11-13 22:59:03,826 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-13 22:59:03,882 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1059f-9ccf-4755-987b-e89de74d6c4f/bin/ukojak-verify-EEHR8qb7sm/witness.graphml [2024-11-13 22:59:03,883 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 22:59:03,884 INFO L158 Benchmark]: Toolchain (without parser) took 48030.80ms. Allocated memory was 142.6MB in the beginning and 369.1MB in the end (delta: 226.5MB). Free memory was 117.3MB in the beginning and 250.1MB in the end (delta: -132.8MB). Peak memory consumption was 90.0MB. Max. memory is 16.1GB. [2024-11-13 22:59:03,884 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 167.8MB. Free memory is still 105.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:59:03,884 INFO L158 Benchmark]: CACSL2BoogieTranslator took 420.07ms. Allocated memory is still 142.6MB. Free memory was 117.3MB in the beginning and 100.0MB in the end (delta: 17.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 22:59:03,885 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.76ms. Allocated memory is still 142.6MB. Free memory was 100.0MB in the beginning and 98.2MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:59:03,885 INFO L158 Benchmark]: Boogie Preprocessor took 51.05ms. Allocated memory is still 142.6MB. Free memory was 98.2MB in the beginning and 96.5MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:59:03,886 INFO L158 Benchmark]: RCFGBuilder took 741.43ms. Allocated memory is still 142.6MB. Free memory was 96.5MB in the beginning and 72.1MB in the end (delta: 24.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-13 22:59:03,886 INFO L158 Benchmark]: CodeCheck took 46690.99ms. Allocated memory was 142.6MB in the beginning and 369.1MB in the end (delta: 226.5MB). Free memory was 72.1MB in the beginning and 254.1MB in the end (delta: -182.0MB). Peak memory consumption was 48.0MB. Max. memory is 16.1GB. [2024-11-13 22:59:03,887 INFO L158 Benchmark]: Witness Printer took 58.69ms. Allocated memory is still 369.1MB. Free memory was 254.1MB in the beginning and 250.1MB in the end (delta: 4.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:59:03,889 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, 66 locations, 31 error locations. Started 1 CEGAR loops. OverallTime: 46.6s, OverallIterations: 27, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1610 SdHoareTripleChecker+Valid, 15.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1295 mSDsluCounter, 1672 SdHoareTripleChecker+Invalid, 12.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1232 mSDsCounter, 1673 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6874 IncrementalHoareTripleChecker+Invalid, 8547 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1673 mSolverCounterUnsat, 440 mSDtfsCounter, 6874 mSolverCounterSat, 0.3s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2466 GetRequests, 2100 SyntacticMatches, 6 SemanticMatches, 360 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54896 ImplicationChecksByTransitivity, 41.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 7.0s InterpolantComputationTime, 263 NumberOfCodeBlocks, 263 NumberOfCodeBlocksAsserted, 27 NumberOfCheckSat, 223 ConstructedInterpolants, 0 QuantifiedInterpolants, 1114 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 26 InterpolantComputations, 26 PerfectInterpolantSequences, 1/1 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: -1]: pointer dereference may fail pointer dereference may fail We found a FailurePath: [L543] int in_len = __VERIFIER_nondet_int(); [L544] COND FALSE !(in_len < 1) [L545] char* in = __builtin_alloca (in_len); VAL [in={5826:0}, in_len=3295] [L546] in[in_len-1]=0 [L547] int delim_len = __VERIFIER_nondet_int(); [L548] COND FALSE !(delim_len < 1) [L549] char* delim = __builtin_alloca (delim_len); [L550] char* ptr = 0; [L551] CALL strtok_r(in, delim, &ptr) [L531] char*tmp=0; VAL [delim={5827:0}, ptrptr={5828:0}, s={5826:0}, tmp={0:0}] [L532] COND FALSE !(s==0) VAL [delim={5827:0}, ptrptr={5828:0}, s={5826:0}, tmp={0:0}] [L533] CALL strspn(s,delim) [L508] size_t l = 0; [L509] const char *a; VAL [accept={5827:0}, l=0, s={5826:0}] [L510] EXPR \read(*s) VAL [accept={5827:0}, l=0, s={5826:0}] [L510] COND TRUE *s [L511] a = accept VAL [a={5827:0}, accept={5827:0}, l=0, s={5826:0}] [L511] EXPR \read(*a) [L511] *a && *s != *a VAL [a={5827:0}, accept={5827:0}, l=0, s={5826:0}] [L511] EXPR \read(*s) VAL [a={5827:0}, accept={5827:0}, l=0, s={5826:0}] [L511] EXPR \read(*a) [L511] *a && *s != *a VAL [a={5827:0}, accept={5827:0}, l=0, s={5826:0}] [L511] COND TRUE *a && *s != *a [L511] a++ VAL [a={5827:1}, accept={5827:0}, l=0, s={5826:0}] [L511] \read(*a) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 167.8MB. Free memory is still 105.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 420.07ms. Allocated memory is still 142.6MB. Free memory was 117.3MB in the beginning and 100.0MB in the end (delta: 17.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 57.76ms. Allocated memory is still 142.6MB. Free memory was 100.0MB in the beginning and 98.2MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 51.05ms. Allocated memory is still 142.6MB. Free memory was 98.2MB in the beginning and 96.5MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 741.43ms. Allocated memory is still 142.6MB. Free memory was 96.5MB in the beginning and 72.1MB in the end (delta: 24.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * CodeCheck took 46690.99ms. Allocated memory was 142.6MB in the beginning and 369.1MB in the end (delta: 226.5MB). Free memory was 72.1MB in the beginning and 254.1MB in the end (delta: -182.0MB). Peak memory consumption was 48.0MB. Max. memory is 16.1GB. * Witness Printer took 58.69ms. Allocated memory is still 369.1MB. Free memory was 254.1MB in the beginning and 250.1MB in the end (delta: 4.0MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-11-13 22:59:03,924 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba1059f-9ccf-4755-987b-e89de74d6c4f/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(valid-deref)