./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test6_2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94ad00bf-73fd-4c05-92f3-a5b080f97203/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94ad00bf-73fd-4c05-92f3-a5b080f97203/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94ad00bf-73fd-4c05-92f3-a5b080f97203/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94ad00bf-73fd-4c05-92f3-a5b080f97203/bin/ukojak-verify-ENZ3QT5qd3/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test6_2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94ad00bf-73fd-4c05-92f3-a5b080f97203/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94ad00bf-73fd-4c05-92f3-a5b080f97203/bin/ukojak-verify-ENZ3QT5qd3 --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 7f731faf9d41ed60f5858e3dbd50ffba002d2a56a92297f4715b69207f896c11 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 03:08:46,501 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 03:08:46,574 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94ad00bf-73fd-4c05-92f3-a5b080f97203/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2024-11-25 03:08:46,582 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 03:08:46,583 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 03:08:46,623 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 03:08:46,627 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 03:08:46,628 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 03:08:46,628 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 03:08:46,629 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 03:08:46,629 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 03:08:46,630 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 03:08:46,630 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 03:08:46,631 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-25 03:08:46,631 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-25 03:08:46,631 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-25 03:08:46,631 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 03:08:46,631 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 03:08:46,631 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 03:08:46,631 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 03:08:46,631 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 03:08:46,631 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 03:08:46,631 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 03:08:46,632 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 03:08:46,633 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 03:08:46,633 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:08:46,633 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 03:08:46,633 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 03:08:46,633 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 03:08:46,634 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 03:08:46,634 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_94ad00bf-73fd-4c05-92f3-a5b080f97203/bin/ukojak-verify-ENZ3QT5qd3 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 -> 7f731faf9d41ed60f5858e3dbd50ffba002d2a56a92297f4715b69207f896c11 [2024-11-25 03:08:47,004 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 03:08:47,014 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 03:08:47,017 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 03:08:47,018 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 03:08:47,019 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 03:08:47,020 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94ad00bf-73fd-4c05-92f3-a5b080f97203/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/ldv-memsafety/memleaks_test6_2.i [2024-11-25 03:08:50,149 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94ad00bf-73fd-4c05-92f3-a5b080f97203/bin/ukojak-verify-ENZ3QT5qd3/data/393a134fc/09f3b2d0c69641ef9a624473e7772048/FLAGfa8e879ad [2024-11-25 03:08:50,498 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 03:08:50,499 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94ad00bf-73fd-4c05-92f3-a5b080f97203/sv-benchmarks/c/ldv-memsafety/memleaks_test6_2.i [2024-11-25 03:08:50,518 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94ad00bf-73fd-4c05-92f3-a5b080f97203/bin/ukojak-verify-ENZ3QT5qd3/data/393a134fc/09f3b2d0c69641ef9a624473e7772048/FLAGfa8e879ad [2024-11-25 03:08:50,533 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94ad00bf-73fd-4c05-92f3-a5b080f97203/bin/ukojak-verify-ENZ3QT5qd3/data/393a134fc/09f3b2d0c69641ef9a624473e7772048 [2024-11-25 03:08:50,536 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 03:08:50,538 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 03:08:50,539 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 03:08:50,540 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 03:08:50,545 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 03:08:50,546 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:08:50" (1/1) ... [2024-11-25 03:08:50,547 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59916a7e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:08:50, skipping insertion in model container [2024-11-25 03:08:50,548 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:08:50" (1/1) ... [2024-11-25 03:08:50,583 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 03:08:50,992 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:08:51,010 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 03:08:51,095 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:08:51,145 INFO L204 MainTranslator]: Completed translation [2024-11-25 03:08:51,145 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:08:51 WrapperNode [2024-11-25 03:08:51,146 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 03:08:51,147 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 03:08:51,147 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 03:08:51,147 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 03:08:51,161 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:08:51" (1/1) ... [2024-11-25 03:08:51,191 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:08:51" (1/1) ... [2024-11-25 03:08:51,217 INFO L138 Inliner]: procedures = 168, calls = 80, calls flagged for inlining = 33, calls inlined = 8, statements flattened = 85 [2024-11-25 03:08:51,221 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 03:08:51,221 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 03:08:51,221 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 03:08:51,221 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 03:08:51,229 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:08:51" (1/1) ... [2024-11-25 03:08:51,230 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:08:51" (1/1) ... [2024-11-25 03:08:51,233 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:08:51" (1/1) ... [2024-11-25 03:08:51,237 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:08:51" (1/1) ... [2024-11-25 03:08:51,250 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:08:51" (1/1) ... [2024-11-25 03:08:51,254 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:08:51" (1/1) ... [2024-11-25 03:08:51,256 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:08:51" (1/1) ... [2024-11-25 03:08:51,258 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:08:51" (1/1) ... [2024-11-25 03:08:51,262 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:08:51" (1/1) ... [2024-11-25 03:08:51,264 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 03:08:51,265 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 03:08:51,269 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 03:08:51,269 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 03:08:51,270 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:08:51" (1/1) ... [2024-11-25 03:08:51,279 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:08:51,296 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94ad00bf-73fd-4c05-92f3-a5b080f97203/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 03:08:51,313 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94ad00bf-73fd-4c05-92f3-a5b080f97203/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 03:08:51,319 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94ad00bf-73fd-4c05-92f3-a5b080f97203/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 03:08:51,349 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-25 03:08:51,349 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 03:08:51,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-25 03:08:51,350 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-25 03:08:51,350 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-25 03:08:51,350 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-25 03:08:51,350 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 03:08:51,351 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 03:08:51,496 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 03:08:51,498 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 03:08:51,755 INFO L? ?]: Removed 45 outVars from TransFormulas that were not future-live. [2024-11-25 03:08:51,755 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 03:08:51,866 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 03:08:51,870 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-25 03:08:51,870 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:08:51 BoogieIcfgContainer [2024-11-25 03:08:51,870 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 03:08:51,871 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 03:08:51,871 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 03:08:51,887 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 03:08:51,887 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:08:51" (1/1) ... [2024-11-25 03:08:51,895 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 03:08:51,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:08:51,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 36 states and 39 transitions. [2024-11-25 03:08:51,945 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 39 transitions. [2024-11-25 03:08:51,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-25 03:08:51,947 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:08:51,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:08:52,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:08:52,195 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:08:52,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:08:52,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 37 states and 40 transitions. [2024-11-25 03:08:52,238 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 40 transitions. [2024-11-25 03:08:52,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-25 03:08:52,238 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:08:52,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:08:52,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:08:52,527 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:08:52,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:08:52,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 40 states and 47 transitions. [2024-11-25 03:08:52,789 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 47 transitions. [2024-11-25 03:08:52,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-25 03:08:52,791 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:08:52,791 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:08:52,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:08:52,988 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:08:53,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:08:53,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 42 states and 49 transitions. [2024-11-25 03:08:53,310 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 49 transitions. [2024-11-25 03:08:53,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-25 03:08:53,315 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:08:53,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:08:53,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:08:53,499 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:08:54,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:08:54,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 44 states and 52 transitions. [2024-11-25 03:08:54,130 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 52 transitions. [2024-11-25 03:08:54,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-25 03:08:54,131 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:08:54,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:08:54,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:08:54,187 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:08:54,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:08:54,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 42 states and 50 transitions. [2024-11-25 03:08:54,203 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 50 transitions. [2024-11-25 03:08:54,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-25 03:08:54,203 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:08:54,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:08:54,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:08:54,338 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:08:54,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:08:54,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 43 states and 53 transitions. [2024-11-25 03:08:54,430 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 53 transitions. [2024-11-25 03:08:54,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-25 03:08:54,430 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:08:54,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:08:54,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:08:54,615 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:08:55,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:08:55,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 42 states and 52 transitions. [2024-11-25 03:08:55,311 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 52 transitions. [2024-11-25 03:08:55,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-25 03:08:55,311 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:08:55,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:08:55,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:08:55,533 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:08:56,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:08:56,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 45 states and 59 transitions. [2024-11-25 03:08:56,690 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 59 transitions. [2024-11-25 03:08:56,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-25 03:08:56,690 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:08:56,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:08:56,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:08:56,965 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:08:58,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:08:58,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 44 states and 58 transitions. [2024-11-25 03:08:58,433 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 58 transitions. [2024-11-25 03:08:58,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-25 03:08:58,433 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:08:58,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:08:58,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:08:58,643 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:09:00,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:09:00,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 48 states and 66 transitions. [2024-11-25 03:09:00,077 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 66 transitions. [2024-11-25 03:09:00,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-25 03:09:00,077 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:09:00,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:09:00,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:09:00,206 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:09:01,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:09:01,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 51 states and 69 transitions. [2024-11-25 03:09:01,867 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 69 transitions. [2024-11-25 03:09:01,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-25 03:09:01,868 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:09:01,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:09:01,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:09:01,920 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:09:02,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:09:02,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 48 states and 66 transitions. [2024-11-25 03:09:02,121 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 66 transitions. [2024-11-25 03:09:02,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-25 03:09:02,121 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:09:02,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:09:02,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:09:02,162 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:09:02,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:09:02,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 47 states and 65 transitions. [2024-11-25 03:09:02,300 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 65 transitions. [2024-11-25 03:09:02,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 03:09:02,300 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:09:02,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:09:02,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:09:02,524 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:09:03,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:09:03,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 43 states and 61 transitions. [2024-11-25 03:09:03,383 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 61 transitions. [2024-11-25 03:09:03,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 03:09:03,383 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:09:03,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:09:03,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:09:03,467 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:09:03,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:09:03,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 42 states and 60 transitions. [2024-11-25 03:09:03,537 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 60 transitions. [2024-11-25 03:09:03,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-25 03:09:03,538 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:09:03,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:09:03,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:09:03,606 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:09:04,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:09:04,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 41 states and 59 transitions. [2024-11-25 03:09:04,287 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 59 transitions. [2024-11-25 03:09:04,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-25 03:09:04,287 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:09:04,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:09:04,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:09:04,589 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:09:06,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:09:06,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 39 states and 57 transitions. [2024-11-25 03:09:06,280 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 57 transitions. [2024-11-25 03:09:06,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-25 03:09:06,280 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:09:06,280 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:09:06,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:09:06,321 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:09:06,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:09:06,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 41 states and 61 transitions. [2024-11-25 03:09:06,957 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 61 transitions. [2024-11-25 03:09:06,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-25 03:09:06,957 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:09:06,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:09:06,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:09:07,394 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:09:10,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:09:10,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 46 states and 66 transitions. [2024-11-25 03:09:10,766 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 66 transitions. [2024-11-25 03:09:10,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-25 03:09:10,766 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:09:10,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:09:10,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:09:11,180 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:09:14,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:09:14,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 51 states and 71 transitions. [2024-11-25 03:09:14,823 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 71 transitions. [2024-11-25 03:09:14,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-25 03:09:14,823 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:09:14,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:09:14,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:09:15,388 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:09:19,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:09:19,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 56 states and 76 transitions. [2024-11-25 03:09:19,578 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 76 transitions. [2024-11-25 03:09:19,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-25 03:09:19,579 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:09:19,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:09:19,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:09:20,141 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:09:23,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:09:23,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 51 states and 69 transitions. [2024-11-25 03:09:23,630 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 69 transitions. [2024-11-25 03:09:23,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-25 03:09:23,630 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:09:23,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:09:23,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:09:23,730 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:09:24,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:09:24,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 44 states and 59 transitions. [2024-11-25 03:09:24,160 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 59 transitions. [2024-11-25 03:09:24,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-25 03:09:24,160 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:09:24,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:09:24,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:09:24,255 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:09:24,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:09:24,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 39 states and 53 transitions. [2024-11-25 03:09:24,275 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 53 transitions. [2024-11-25 03:09:24,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-25 03:09:24,276 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:09:24,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:09:24,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:09:25,206 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:09:31,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:09:31,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 38 states and 51 transitions. [2024-11-25 03:09:31,084 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 51 transitions. [2024-11-25 03:09:31,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-25 03:09:31,084 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:09:31,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:09:31,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:09:31,726 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:09:37,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:09:37,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 38 states and 50 transitions. [2024-11-25 03:09:37,178 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 50 transitions. [2024-11-25 03:09:37,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-25 03:09:37,178 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:09:37,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:09:37,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:09:37,801 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:09:40,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:09:40,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 37 states and 49 transitions. [2024-11-25 03:09:40,152 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 49 transitions. [2024-11-25 03:09:40,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-25 03:09:40,152 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:09:40,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:09:40,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:09:40,585 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:09:42,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:09:42,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 37 states and 46 transitions. [2024-11-25 03:09:42,184 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 46 transitions. [2024-11-25 03:09:42,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-25 03:09:42,184 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:09:42,184 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:09:42,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:09:42,218 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:09:43,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:09:43,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 37 states and 43 transitions. [2024-11-25 03:09:43,500 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 43 transitions. [2024-11-25 03:09:43,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-25 03:09:43,500 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:09:43,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:09:43,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:09:44,550 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:09:50,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:09:50,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 38 states and 44 transitions. [2024-11-25 03:09:50,157 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 44 transitions. [2024-11-25 03:09:50,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-25 03:09:50,157 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:09:50,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:09:50,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:09:50,835 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:09:53,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:09:53,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 36 states and 42 transitions. [2024-11-25 03:09:53,546 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 42 transitions. [2024-11-25 03:09:53,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-25 03:09:53,547 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:09:53,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:09:53,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:09:55,419 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:10:03,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:10:03,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 38 states and 44 transitions. [2024-11-25 03:10:03,204 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 44 transitions. [2024-11-25 03:10:03,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-25 03:10:03,204 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:10:03,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:10:03,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:10:03,334 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:10:06,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:10:06,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 35 states and 41 transitions. [2024-11-25 03:10:06,341 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 41 transitions. [2024-11-25 03:10:06,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-25 03:10:06,342 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:10:06,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:10:06,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:10:06,354 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 03:10:06,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:10:06,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:10:06,415 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 03:10:06,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:10:06,460 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 34 iterations. [2024-11-25 03:10:06,506 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 03:10:06 ImpRootNode [2024-11-25 03:10:06,506 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 03:10:06,509 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 03:10:06,509 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 03:10:06,509 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 03:10:06,510 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:08:51" (3/4) ... [2024-11-25 03:10:06,512 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-25 03:10:06,567 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 16. [2024-11-25 03:10:06,639 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94ad00bf-73fd-4c05-92f3-a5b080f97203/bin/ukojak-verify-ENZ3QT5qd3/witness.graphml [2024-11-25 03:10:06,643 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94ad00bf-73fd-4c05-92f3-a5b080f97203/bin/ukojak-verify-ENZ3QT5qd3/witness.yml [2024-11-25 03:10:06,644 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 03:10:06,644 INFO L158 Benchmark]: Toolchain (without parser) took 76106.73ms. Allocated memory was 117.4MB in the beginning and 578.8MB in the end (delta: 461.4MB). Free memory was 91.5MB in the beginning and 339.3MB in the end (delta: -247.8MB). Peak memory consumption was 214.4MB. Max. memory is 16.1GB. [2024-11-25 03:10:06,645 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 117.4MB. Free memory is still 74.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:10:06,645 INFO L158 Benchmark]: CACSL2BoogieTranslator took 606.90ms. Allocated memory is still 117.4MB. Free memory was 91.2MB in the beginning and 68.8MB in the end (delta: 22.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-25 03:10:06,645 INFO L158 Benchmark]: Boogie Procedure Inliner took 73.80ms. Allocated memory is still 117.4MB. Free memory was 68.8MB in the beginning and 66.8MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:10:06,645 INFO L158 Benchmark]: Boogie Preprocessor took 43.33ms. Allocated memory is still 117.4MB. Free memory was 66.8MB in the beginning and 65.8MB in the end (delta: 987.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:10:06,646 INFO L158 Benchmark]: RCFGBuilder took 605.30ms. Allocated memory is still 117.4MB. Free memory was 65.8MB in the beginning and 47.9MB in the end (delta: 17.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 03:10:06,646 INFO L158 Benchmark]: CodeCheck took 74637.22ms. Allocated memory was 117.4MB in the beginning and 578.8MB in the end (delta: 461.4MB). Free memory was 47.9MB in the beginning and 343.6MB in the end (delta: -295.7MB). Peak memory consumption was 164.1MB. Max. memory is 16.1GB. [2024-11-25 03:10:06,646 INFO L158 Benchmark]: Witness Printer took 134.81ms. Allocated memory is still 578.8MB. Free memory was 343.6MB in the beginning and 339.3MB in the end (delta: 4.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 03:10:06,650 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, 36 locations, 16 error locations. Started 1 CEGAR loops. OverallTime: 74.6s, OverallIterations: 34, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3124 SdHoareTripleChecker+Valid, 21.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2926 mSDsluCounter, 2425 SdHoareTripleChecker+Invalid, 18.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2119 mSDsCounter, 2726 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 11669 IncrementalHoareTripleChecker+Invalid, 14395 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2726 mSolverCounterUnsat, 306 mSDtfsCounter, 11669 mSolverCounterSat, 0.4s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2788 GetRequests, 2175 SyntacticMatches, 63 SemanticMatches, 550 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 152138 ImplicationChecksByTransitivity, 69.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 11.0s InterpolantComputationTime, 286 NumberOfCodeBlocks, 286 NumberOfCodeBlocksAsserted, 34 NumberOfCheckSat, 239 ConstructedInterpolants, 0 QuantifiedInterpolants, 1909 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 33 InterpolantComputations, 33 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - CounterExampleResult [Line: 782]: free of unallocated memory possible free of unallocated memory possible We found a FailurePath: [L569] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; [L784] struct A a6; [L793] CALL entry_point() [L786] CALL, EXPR probe3_6(&a6) [L764] int ret = - -3; [L765] CALL, EXPR ldv_malloc(sizeof(int)) [L526] COND TRUE __VERIFIER_nondet_int() [L527] return malloc(size); [L765] RET, EXPR ldv_malloc(sizeof(int)) [L765] int *p = (int *)ldv_malloc(sizeof(int)); [L766] COND FALSE !(p==0) [L768] CALL, EXPR f6() [L758] return __VERIFIER_nondet_int(); [L768] RET, EXPR f6() [L768] ret = f6() [L769] COND FALSE !(ret<0) [L771] CALL, EXPR g6() [L761] return __VERIFIER_nondet_int(); [L771] RET, EXPR g6() [L771] ret = g6() [L772] COND FALSE !(ret<0) VAL [a6={2:0}, a={2:0}, ldv_global_msg_list={1:0}, p={-1:0}] [L774] a->p = p VAL [a6={2:0}, ldv_global_msg_list={1:0}, p={-1:0}] [L775] free(p) VAL [a6={2:0}, ldv_global_msg_list={1:0}] [L775] free(p) VAL [a6={2:0}, ldv_global_msg_list={1:0}] [L775] free(p) [L776] return 0; VAL [\result=0, a6={2:0}, ldv_global_msg_list={1:0}] [L786] RET, EXPR probe3_6(&a6) [L786] int ret = probe3_6(&a6); [L787] COND TRUE ret==0 [L788] CALL disconnect_6(&a6) [L782] EXPR a->p VAL [a6={2:0}, ldv_global_msg_list={1:0}] [L782] free(a->p) VAL [a6={2:0}, ldv_global_msg_list={1:0}] [L782] free(a->p) VAL [a6={2:0}, ldv_global_msg_list={1:0}] [L782] free(a->p) VAL [a6={2:0}, ldv_global_msg_list={1:0}] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 117.4MB. Free memory is still 74.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 606.90ms. Allocated memory is still 117.4MB. Free memory was 91.2MB in the beginning and 68.8MB in the end (delta: 22.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 73.80ms. Allocated memory is still 117.4MB. Free memory was 68.8MB in the beginning and 66.8MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 43.33ms. Allocated memory is still 117.4MB. Free memory was 66.8MB in the beginning and 65.8MB in the end (delta: 987.2kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 605.30ms. Allocated memory is still 117.4MB. Free memory was 65.8MB in the beginning and 47.9MB in the end (delta: 17.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 74637.22ms. Allocated memory was 117.4MB in the beginning and 578.8MB in the end (delta: 461.4MB). Free memory was 47.9MB in the beginning and 343.6MB in the end (delta: -295.7MB). Peak memory consumption was 164.1MB. Max. memory is 16.1GB. * Witness Printer took 134.81ms. Allocated memory is still 578.8MB. Free memory was 343.6MB in the beginning and 339.3MB in the end (delta: 4.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-11-25 03:10:06,674 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94ad00bf-73fd-4c05-92f3-a5b080f97203/bin/ukojak-verify-ENZ3QT5qd3/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-free)