./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/pthread-wmm/safe016_pso.oepc_pso.opt_tso.oepc_tso.opt.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 4f9af400 extending candidate: java ['java'] extending candidate: /usr/bin/java ['java', '/usr/bin/java'] extending candidate: /opt/oracle-jdk-bin-*/bin/java ['java', '/usr/bin/java'] extending candidate: /opt/openjdk-*/bin/java ['java', '/usr/bin/java'] extending candidate: /usr/lib/jvm/java-*-openjdk-amd64/bin/java ['java', '/usr/bin/java', '/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java', '/usr/lib/jvm/java-17-openjdk-amd64/bin/java', '/usr/lib/jvm/java-11-openjdk-amd64/bin/java', '/usr/lib/jvm/java-1.17.0-openjdk-amd64/bin/java'] ['/root/.sdkman/candidates/java/21.0.5-tem/bin/java', '-Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config', '-Xmx15G', '-Xms4m', '-jar', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar', '-data', '@noDefault', '-ultimatedata', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data', '-tc', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml', '-i', '../sv-benchmarks/c/pthread-wmm/safe016_pso.oepc_pso.opt_tso.oepc_tso.opt.i', '-s', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf', '--cacsl2boogietranslator.entry.function', 'main', '--witnessprinter.witness.directory', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux', '--witnessprinter.witness.filename', 'witness', '--witnessprinter.write.witness.besides.input.file', 'false', '--witnessprinter.graph.data.specification', 'CHECK( init(main()), LTL(G valid-free) )\nCHECK( init(main()), LTL(G valid-deref) )\nCHECK( init(main()), LTL(G valid-memtrack) )\n\n', '--witnessprinter.graph.data.producer', 'Automizer', '--witnessprinter.graph.data.architecture', '32bit', '--witnessprinter.graph.data.programhash', '55711f117aca8cc6da45707674eed41f8615ce4fb09ace088988b9afc0dc0851'] Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/pthread-wmm/safe016_pso.oepc_pso.opt_tso.oepc_tso.opt.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 55711f117aca8cc6da45707674eed41f8615ce4fb09ace088988b9afc0dc0851 --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 19:18:26,397 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 19:18:26,503 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2024-11-07 19:18:26,510 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 19:18:26,511 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 19:18:26,535 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 19:18:26,536 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 19:18:26,536 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 19:18:26,537 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-07 19:18:26,537 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-07 19:18:26,538 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 19:18:26,538 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 19:18:26,539 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 19:18:26,539 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 19:18:26,539 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 19:18:26,539 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 19:18:26,540 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-07 19:18:26,540 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-07 19:18:26,540 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-07 19:18:26,540 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 19:18:26,540 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-07 19:18:26,540 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-07 19:18:26,540 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-07 19:18:26,540 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 19:18:26,540 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-07 19:18:26,540 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 19:18:26,541 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-07 19:18:26,541 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-07 19:18:26,541 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 19:18:26,541 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 19:18:26,541 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 19:18:26,541 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-07 19:18:26,541 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 19:18:26,541 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 19:18:26,541 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 19:18:26,541 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 19:18:26,541 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-07 19:18:26,541 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-07 19:18:26,541 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 19:18:26,542 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 19:18:26,542 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 19:18:26,542 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 19:18:26,542 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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 -> /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux 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 -> Automizer 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 -> 55711f117aca8cc6da45707674eed41f8615ce4fb09ace088988b9afc0dc0851 [2024-11-07 19:18:26,875 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 19:18:26,882 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 19:18:26,885 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 19:18:26,886 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 19:18:26,886 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 19:18:26,887 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/safe016_pso.oepc_pso.opt_tso.oepc_tso.opt.i [2024-11-07 19:18:28,134 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 19:18:28,402 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 19:18:28,404 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/pthread-wmm/safe016_pso.oepc_pso.opt_tso.oepc_tso.opt.i [2024-11-07 19:18:28,424 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/a6fa7828e/e766fa5cd8d44154afe32e052d7c8ab0/FLAGce4181684 [2024-11-07 19:18:28,446 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/a6fa7828e/e766fa5cd8d44154afe32e052d7c8ab0 [2024-11-07 19:18:28,449 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 19:18:28,450 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 19:18:28,451 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 19:18:28,451 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 19:18:28,456 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 19:18:28,457 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 07:18:28" (1/1) ... [2024-11-07 19:18:28,457 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6532388d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:18:28, skipping insertion in model container [2024-11-07 19:18:28,457 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 07:18:28" (1/1) ... [2024-11-07 19:18:28,500 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 19:18:28,775 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 19:18:28,784 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 19:18:28,842 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 19:18:28,890 INFO L204 MainTranslator]: Completed translation [2024-11-07 19:18:28,890 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:18:28 WrapperNode [2024-11-07 19:18:28,892 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 19:18:28,893 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 19:18:28,893 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 19:18:28,893 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 19:18:28,899 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:18:28" (1/1) ... [2024-11-07 19:18:28,913 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:18:28" (1/1) ... [2024-11-07 19:18:28,937 INFO L138 Inliner]: procedures = 176, calls = 47, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 66 [2024-11-07 19:18:28,939 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 19:18:28,940 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 19:18:28,940 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 19:18:28,940 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 19:18:28,947 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:18:28" (1/1) ... [2024-11-07 19:18:28,947 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:18:28" (1/1) ... [2024-11-07 19:18:28,950 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:18:28" (1/1) ... [2024-11-07 19:18:28,964 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-07 19:18:28,965 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:18:28" (1/1) ... [2024-11-07 19:18:28,965 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:18:28" (1/1) ... [2024-11-07 19:18:28,969 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:18:28" (1/1) ... [2024-11-07 19:18:28,970 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:18:28" (1/1) ... [2024-11-07 19:18:28,971 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:18:28" (1/1) ... [2024-11-07 19:18:28,972 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:18:28" (1/1) ... [2024-11-07 19:18:28,974 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 19:18:28,974 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 19:18:28,974 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 19:18:28,975 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 19:18:28,975 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:18:28" (1/1) ... [2024-11-07 19:18:28,982 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 19:18:28,999 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 19:18:29,037 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-07 19:18:29,039 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-07 19:18:29,057 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-07 19:18:29,058 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 19:18:29,058 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-11-07 19:18:29,058 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-11-07 19:18:29,058 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-11-07 19:18:29,058 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-11-07 19:18:29,058 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-11-07 19:18:29,058 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-11-07 19:18:29,058 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2024-11-07 19:18:29,058 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2024-11-07 19:18:29,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-07 19:18:29,058 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-07 19:18:29,058 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 19:18:29,058 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 19:18:29,060 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-07 19:18:29,177 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 19:18:29,178 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 19:18:29,358 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-07 19:18:29,359 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 19:18:29,451 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 19:18:29,452 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-07 19:18:29,452 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 07:18:29 BoogieIcfgContainer [2024-11-07 19:18:29,452 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 19:18:29,454 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 19:18:29,454 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 19:18:29,460 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 19:18:29,460 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 07:18:28" (1/3) ... [2024-11-07 19:18:29,461 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36ed9f02 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 07:18:29, skipping insertion in model container [2024-11-07 19:18:29,461 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:18:28" (2/3) ... [2024-11-07 19:18:29,461 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36ed9f02 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 07:18:29, skipping insertion in model container [2024-11-07 19:18:29,461 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 07:18:29" (3/3) ... [2024-11-07 19:18:29,462 INFO L112 eAbstractionObserver]: Analyzing ICFG safe016_pso.oepc_pso.opt_tso.oepc_tso.opt.i [2024-11-07 19:18:29,475 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 19:18:29,476 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-07 19:18:29,476 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-07 19:18:29,542 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-07 19:18:29,573 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 61 places, 50 transitions, 116 flow [2024-11-07 19:18:29,600 INFO L124 PetriNetUnfolderBase]: 2/46 cut-off events. [2024-11-07 19:18:29,602 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-07 19:18:29,604 INFO L83 FinitePrefix]: Finished finitePrefix Result has 59 conditions, 46 events. 2/46 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 89 event pairs, 0 based on Foata normal form. 0/42 useless extension candidates. Maximal degree in co-relation 50. Up to 2 conditions per place. [2024-11-07 19:18:29,605 INFO L82 GeneralOperation]: Start removeDead. Operand has 61 places, 50 transitions, 116 flow [2024-11-07 19:18:29,607 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 56 places, 45 transitions, 102 flow [2024-11-07 19:18:29,613 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 19:18:29,625 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=None, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@a541152, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 19:18:29,625 INFO L334 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2024-11-07 19:18:29,636 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-07 19:18:29,636 INFO L124 PetriNetUnfolderBase]: 2/43 cut-off events. [2024-11-07 19:18:29,636 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-07 19:18:29,636 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 19:18:29,636 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 19:18:29,636 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-11-07 19:18:29,639 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 19:18:29,640 INFO L85 PathProgramCache]: Analyzing trace with hash 1504320963, now seen corresponding path program 1 times [2024-11-07 19:18:29,644 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 19:18:29,644 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2014153607] [2024-11-07 19:18:29,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 19:18:29,645 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 19:18:29,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:18:29,843 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 19:18:29,843 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 19:18:29,843 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2014153607] [2024-11-07 19:18:29,844 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2014153607] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 19:18:29,844 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 19:18:29,844 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-07 19:18:29,845 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [340813553] [2024-11-07 19:18:29,845 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 19:18:29,849 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 19:18:29,852 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 19:18:29,865 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 19:18:29,865 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 19:18:29,868 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 28 out of 50 [2024-11-07 19:18:29,870 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 56 places, 45 transitions, 102 flow. Second operand has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 19:18:29,870 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 19:18:29,870 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 28 of 50 [2024-11-07 19:18:29,871 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 19:18:30,015 INFO L124 PetriNetUnfolderBase]: 211/497 cut-off events. [2024-11-07 19:18:30,015 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-07 19:18:30,020 INFO L83 FinitePrefix]: Finished finitePrefix Result has 869 conditions, 497 events. 211/497 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 47. Compared 3110 event pairs, 211 based on Foata normal form. 48/500 useless extension candidates. Maximal degree in co-relation 857. Up to 336 conditions per place. [2024-11-07 19:18:30,024 INFO L140 encePairwiseOnDemand]: 46/50 looper letters, 15 selfloop transitions, 1 changer transitions 1/41 dead transitions. [2024-11-07 19:18:30,025 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 56 places, 41 transitions, 128 flow [2024-11-07 19:18:30,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 19:18:30,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-07 19:18:30,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 104 transitions. [2024-11-07 19:18:30,038 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6933333333333334 [2024-11-07 19:18:30,040 INFO L175 Difference]: Start difference. First operand has 56 places, 45 transitions, 102 flow. Second operand 3 states and 104 transitions. [2024-11-07 19:18:30,041 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 56 places, 41 transitions, 128 flow [2024-11-07 19:18:30,046 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 52 places, 41 transitions, 124 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-11-07 19:18:30,048 INFO L231 Difference]: Finished difference. Result has 52 places, 40 transitions, 90 flow [2024-11-07 19:18:30,050 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=50, PETRI_DIFFERENCE_MINUEND_FLOW=90, PETRI_DIFFERENCE_MINUEND_PLACES=50, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=41, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=40, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=90, PETRI_PLACES=52, PETRI_TRANSITIONS=40} [2024-11-07 19:18:30,054 INFO L277 CegarLoopForPetriNet]: 56 programPoint places, -4 predicate places. [2024-11-07 19:18:30,054 INFO L471 AbstractCegarLoop]: Abstraction has has 52 places, 40 transitions, 90 flow [2024-11-07 19:18:30,055 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 19:18:30,055 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 19:18:30,055 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 19:18:30,056 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-07 19:18:30,056 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-11-07 19:18:30,056 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 19:18:30,056 INFO L85 PathProgramCache]: Analyzing trace with hash 1504322280, now seen corresponding path program 1 times [2024-11-07 19:18:30,057 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 19:18:30,057 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1164663388] [2024-11-07 19:18:30,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 19:18:30,057 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 19:18:30,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:18:30,449 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 19:18:30,449 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 19:18:30,450 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1164663388] [2024-11-07 19:18:30,450 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1164663388] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 19:18:30,450 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 19:18:30,450 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 19:18:30,450 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [35197415] [2024-11-07 19:18:30,450 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 19:18:30,451 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 19:18:30,452 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 19:18:30,452 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 19:18:30,452 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 19:18:30,458 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 24 out of 50 [2024-11-07 19:18:30,459 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 52 places, 40 transitions, 90 flow. Second operand has 4 states, 4 states have (on average 27.25) internal successors, (109), 4 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 19:18:30,460 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 19:18:30,460 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 24 of 50 [2024-11-07 19:18:30,460 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 19:18:30,886 INFO L124 PetriNetUnfolderBase]: 1472/2528 cut-off events. [2024-11-07 19:18:30,886 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-07 19:18:30,891 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4726 conditions, 2528 events. 1472/2528 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 201. Compared 16212 event pairs, 340 based on Foata normal form. 81/2596 useless extension candidates. Maximal degree in co-relation 4720. Up to 1169 conditions per place. [2024-11-07 19:18:30,904 INFO L140 encePairwiseOnDemand]: 43/50 looper letters, 34 selfloop transitions, 6 changer transitions 1/60 dead transitions. [2024-11-07 19:18:30,904 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 54 places, 60 transitions, 218 flow [2024-11-07 19:18:30,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 19:18:30,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-07 19:18:30,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 139 transitions. [2024-11-07 19:18:30,907 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.695 [2024-11-07 19:18:30,907 INFO L175 Difference]: Start difference. First operand has 52 places, 40 transitions, 90 flow. Second operand 4 states and 139 transitions. [2024-11-07 19:18:30,908 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 54 places, 60 transitions, 218 flow [2024-11-07 19:18:30,908 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 53 places, 60 transitions, 217 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-07 19:18:30,910 INFO L231 Difference]: Finished difference. Result has 55 places, 44 transitions, 131 flow [2024-11-07 19:18:30,910 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=50, PETRI_DIFFERENCE_MINUEND_FLOW=89, PETRI_DIFFERENCE_MINUEND_PLACES=50, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=40, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=34, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=131, PETRI_PLACES=55, PETRI_TRANSITIONS=44} [2024-11-07 19:18:30,913 INFO L277 CegarLoopForPetriNet]: 56 programPoint places, -1 predicate places. [2024-11-07 19:18:30,913 INFO L471 AbstractCegarLoop]: Abstraction has has 55 places, 44 transitions, 131 flow [2024-11-07 19:18:30,913 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 27.25) internal successors, (109), 4 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 19:18:30,913 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 19:18:30,914 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 19:18:30,914 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-07 19:18:30,915 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-11-07 19:18:30,915 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 19:18:30,917 INFO L85 PathProgramCache]: Analyzing trace with hash 57290602, now seen corresponding path program 1 times [2024-11-07 19:18:30,917 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 19:18:30,917 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [427491726] [2024-11-07 19:18:30,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 19:18:30,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 19:18:30,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:18:31,108 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 19:18:31,108 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 19:18:31,109 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [427491726] [2024-11-07 19:18:31,109 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [427491726] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 19:18:31,109 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 19:18:31,109 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 19:18:31,109 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1323669839] [2024-11-07 19:18:31,110 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 19:18:31,110 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 19:18:31,110 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 19:18:31,111 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 19:18:31,111 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-07 19:18:31,132 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 24 out of 50 [2024-11-07 19:18:31,133 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 55 places, 44 transitions, 131 flow. Second operand has 5 states, 5 states have (on average 26.8) internal successors, (134), 5 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 19:18:31,134 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 19:18:31,134 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 24 of 50 [2024-11-07 19:18:31,134 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 19:18:31,459 INFO L124 PetriNetUnfolderBase]: 1364/2347 cut-off events. [2024-11-07 19:18:31,459 INFO L125 PetriNetUnfolderBase]: For 718/723 co-relation queries the response was YES. [2024-11-07 19:18:31,466 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5439 conditions, 2347 events. 1364/2347 cut-off events. For 718/723 co-relation queries the response was YES. Maximal size of possible extension queue 174. Compared 14543 event pairs, 132 based on Foata normal form. 82/2418 useless extension candidates. Maximal degree in co-relation 5430. Up to 1025 conditions per place. [2024-11-07 19:18:31,479 INFO L140 encePairwiseOnDemand]: 43/50 looper letters, 43 selfloop transitions, 10 changer transitions 1/73 dead transitions. [2024-11-07 19:18:31,479 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 59 places, 73 transitions, 326 flow [2024-11-07 19:18:31,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 19:18:31,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-07 19:18:31,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 176 transitions. [2024-11-07 19:18:31,481 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.704 [2024-11-07 19:18:31,481 INFO L175 Difference]: Start difference. First operand has 55 places, 44 transitions, 131 flow. Second operand 5 states and 176 transitions. [2024-11-07 19:18:31,481 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 59 places, 73 transitions, 326 flow [2024-11-07 19:18:31,485 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 57 places, 73 transitions, 315 flow, removed 1 selfloop flow, removed 2 redundant places. [2024-11-07 19:18:31,486 INFO L231 Difference]: Finished difference. Result has 59 places, 48 transitions, 183 flow [2024-11-07 19:18:31,488 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=50, PETRI_DIFFERENCE_MINUEND_FLOW=122, PETRI_DIFFERENCE_MINUEND_PLACES=53, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=44, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=34, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=183, PETRI_PLACES=59, PETRI_TRANSITIONS=48} [2024-11-07 19:18:31,489 INFO L277 CegarLoopForPetriNet]: 56 programPoint places, 3 predicate places. [2024-11-07 19:18:31,489 INFO L471 AbstractCegarLoop]: Abstraction has has 59 places, 48 transitions, 183 flow [2024-11-07 19:18:31,489 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 26.8) internal successors, (134), 5 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 19:18:31,490 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 19:18:31,490 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 19:18:31,490 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-07 19:18:31,490 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-11-07 19:18:31,490 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 19:18:31,491 INFO L85 PathProgramCache]: Analyzing trace with hash 858311330, now seen corresponding path program 1 times [2024-11-07 19:18:31,491 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 19:18:31,491 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1292764306] [2024-11-07 19:18:31,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 19:18:31,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 19:18:31,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:18:31,677 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 19:18:31,678 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 19:18:31,678 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1292764306] [2024-11-07 19:18:31,678 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1292764306] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 19:18:31,678 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 19:18:31,678 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 19:18:31,678 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1661367593] [2024-11-07 19:18:31,678 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 19:18:31,679 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 19:18:31,679 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 19:18:31,679 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 19:18:31,679 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-07 19:18:31,690 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 24 out of 50 [2024-11-07 19:18:31,691 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 59 places, 48 transitions, 183 flow. Second operand has 6 states, 6 states have (on average 26.5) internal successors, (159), 6 states have internal predecessors, (159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 19:18:31,691 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 19:18:31,691 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 24 of 50 [2024-11-07 19:18:31,691 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 19:18:31,968 INFO L124 PetriNetUnfolderBase]: 1072/1831 cut-off events. [2024-11-07 19:18:31,969 INFO L125 PetriNetUnfolderBase]: For 1594/1604 co-relation queries the response was YES. [2024-11-07 19:18:31,974 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4869 conditions, 1831 events. 1072/1831 cut-off events. For 1594/1604 co-relation queries the response was YES. Maximal size of possible extension queue 104. Compared 10078 event pairs, 36 based on Foata normal form. 76/1896 useless extension candidates. Maximal degree in co-relation 4858. Up to 641 conditions per place. [2024-11-07 19:18:31,982 INFO L140 encePairwiseOnDemand]: 43/50 looper letters, 50 selfloop transitions, 14 changer transitions 1/84 dead transitions. [2024-11-07 19:18:31,982 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 64 places, 84 transitions, 433 flow [2024-11-07 19:18:31,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 19:18:31,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-07 19:18:31,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 211 transitions. [2024-11-07 19:18:31,986 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7033333333333334 [2024-11-07 19:18:31,986 INFO L175 Difference]: Start difference. First operand has 59 places, 48 transitions, 183 flow. Second operand 6 states and 211 transitions. [2024-11-07 19:18:31,986 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 64 places, 84 transitions, 433 flow [2024-11-07 19:18:31,992 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 60 places, 84 transitions, 403 flow, removed 5 selfloop flow, removed 4 redundant places. [2024-11-07 19:18:31,995 INFO L231 Difference]: Finished difference. Result has 62 places, 52 transitions, 233 flow [2024-11-07 19:18:31,995 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=50, PETRI_DIFFERENCE_MINUEND_FLOW=156, PETRI_DIFFERENCE_MINUEND_PLACES=55, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=48, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=34, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=233, PETRI_PLACES=62, PETRI_TRANSITIONS=52} [2024-11-07 19:18:31,996 INFO L277 CegarLoopForPetriNet]: 56 programPoint places, 6 predicate places. [2024-11-07 19:18:31,996 INFO L471 AbstractCegarLoop]: Abstraction has has 62 places, 52 transitions, 233 flow [2024-11-07 19:18:31,997 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 26.5) internal successors, (159), 6 states have internal predecessors, (159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 19:18:31,997 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 19:18:31,997 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 19:18:31,997 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-07 19:18:31,998 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-11-07 19:18:31,998 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 19:18:31,998 INFO L85 PathProgramCache]: Analyzing trace with hash 1213745174, now seen corresponding path program 1 times [2024-11-07 19:18:31,998 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 19:18:31,998 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1171824975] [2024-11-07 19:18:31,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 19:18:31,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 19:18:32,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:18:32,196 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 19:18:32,196 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 19:18:32,197 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1171824975] [2024-11-07 19:18:32,197 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1171824975] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 19:18:32,197 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 19:18:32,197 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-07 19:18:32,197 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [235590289] [2024-11-07 19:18:32,197 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 19:18:32,198 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-07 19:18:32,198 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 19:18:32,198 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-07 19:18:32,199 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-07 19:18:32,211 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 24 out of 50 [2024-11-07 19:18:32,211 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 62 places, 52 transitions, 233 flow. Second operand has 7 states, 7 states have (on average 26.285714285714285) internal successors, (184), 7 states have internal predecessors, (184), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 19:18:32,211 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 19:18:32,212 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 24 of 50 [2024-11-07 19:18:32,212 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 19:18:32,447 INFO L124 PetriNetUnfolderBase]: 712/1159 cut-off events. [2024-11-07 19:18:32,448 INFO L125 PetriNetUnfolderBase]: For 1914/1924 co-relation queries the response was YES. [2024-11-07 19:18:32,451 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3542 conditions, 1159 events. 712/1159 cut-off events. For 1914/1924 co-relation queries the response was YES. Maximal size of possible extension queue 68. Compared 5013 event pairs, 16 based on Foata normal form. 52/1200 useless extension candidates. Maximal degree in co-relation 3530. Up to 368 conditions per place. [2024-11-07 19:18:32,457 INFO L140 encePairwiseOnDemand]: 43/50 looper letters, 47 selfloop transitions, 18 changer transitions 1/85 dead transitions. [2024-11-07 19:18:32,457 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 68 places, 85 transitions, 447 flow [2024-11-07 19:18:32,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-07 19:18:32,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2024-11-07 19:18:32,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 236 transitions. [2024-11-07 19:18:32,458 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6742857142857143 [2024-11-07 19:18:32,458 INFO L175 Difference]: Start difference. First operand has 62 places, 52 transitions, 233 flow. Second operand 7 states and 236 transitions. [2024-11-07 19:18:32,458 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 68 places, 85 transitions, 447 flow [2024-11-07 19:18:32,465 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 63 places, 85 transitions, 401 flow, removed 9 selfloop flow, removed 5 redundant places. [2024-11-07 19:18:32,466 INFO L231 Difference]: Finished difference. Result has 65 places, 52 transitions, 243 flow [2024-11-07 19:18:32,466 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=50, PETRI_DIFFERENCE_MINUEND_FLOW=190, PETRI_DIFFERENCE_MINUEND_PLACES=57, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=52, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=18, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=34, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=243, PETRI_PLACES=65, PETRI_TRANSITIONS=52} [2024-11-07 19:18:32,467 INFO L277 CegarLoopForPetriNet]: 56 programPoint places, 9 predicate places. [2024-11-07 19:18:32,467 INFO L471 AbstractCegarLoop]: Abstraction has has 65 places, 52 transitions, 243 flow [2024-11-07 19:18:32,467 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 26.285714285714285) internal successors, (184), 7 states have internal predecessors, (184), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 19:18:32,467 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 19:18:32,467 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 19:18:32,468 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-07 19:18:32,468 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-11-07 19:18:32,468 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 19:18:32,468 INFO L85 PathProgramCache]: Analyzing trace with hash 493565021, now seen corresponding path program 1 times [2024-11-07 19:18:32,468 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 19:18:32,469 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1296728843] [2024-11-07 19:18:32,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 19:18:32,469 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 19:18:32,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:18:32,694 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 19:18:32,695 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 19:18:32,695 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1296728843] [2024-11-07 19:18:32,695 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1296728843] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 19:18:32,697 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 19:18:32,698 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-07 19:18:32,698 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [213603266] [2024-11-07 19:18:32,698 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 19:18:32,698 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-07 19:18:32,698 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 19:18:32,699 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-07 19:18:32,699 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-07 19:18:32,718 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 22 out of 50 [2024-11-07 19:18:32,718 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 65 places, 52 transitions, 243 flow. Second operand has 7 states, 7 states have (on average 24.714285714285715) internal successors, (173), 7 states have internal predecessors, (173), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 19:18:32,719 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 19:18:32,719 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 22 of 50 [2024-11-07 19:18:32,719 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 19:18:33,586 INFO L124 PetriNetUnfolderBase]: 3786/6708 cut-off events. [2024-11-07 19:18:33,588 INFO L125 PetriNetUnfolderBase]: For 4209/4339 co-relation queries the response was YES. [2024-11-07 19:18:33,614 INFO L83 FinitePrefix]: Finished finitePrefix Result has 16139 conditions, 6708 events. 3786/6708 cut-off events. For 4209/4339 co-relation queries the response was YES. Maximal size of possible extension queue 421. Compared 48938 event pairs, 789 based on Foata normal form. 64/6357 useless extension candidates. Maximal degree in co-relation 16126. Up to 1553 conditions per place. [2024-11-07 19:18:33,638 INFO L140 encePairwiseOnDemand]: 40/50 looper letters, 56 selfloop transitions, 11 changer transitions 44/140 dead transitions. [2024-11-07 19:18:33,639 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 78 places, 140 transitions, 691 flow [2024-11-07 19:18:33,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-07 19:18:33,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2024-11-07 19:18:33,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 423 transitions. [2024-11-07 19:18:33,642 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6042857142857143 [2024-11-07 19:18:33,642 INFO L175 Difference]: Start difference. First operand has 65 places, 52 transitions, 243 flow. Second operand 14 states and 423 transitions. [2024-11-07 19:18:33,643 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 78 places, 140 transitions, 691 flow [2024-11-07 19:18:33,741 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 68 places, 140 transitions, 555 flow, removed 37 selfloop flow, removed 10 redundant places. [2024-11-07 19:18:33,743 INFO L231 Difference]: Finished difference. Result has 81 places, 61 transitions, 243 flow [2024-11-07 19:18:33,744 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=50, PETRI_DIFFERENCE_MINUEND_FLOW=147, PETRI_DIFFERENCE_MINUEND_PLACES=55, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=52, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=45, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=243, PETRI_PLACES=81, PETRI_TRANSITIONS=61} [2024-11-07 19:18:33,744 INFO L277 CegarLoopForPetriNet]: 56 programPoint places, 25 predicate places. [2024-11-07 19:18:33,745 INFO L471 AbstractCegarLoop]: Abstraction has has 81 places, 61 transitions, 243 flow [2024-11-07 19:18:33,745 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 24.714285714285715) internal successors, (173), 7 states have internal predecessors, (173), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 19:18:33,745 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 19:18:33,746 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 19:18:33,746 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-07 19:18:33,746 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-11-07 19:18:33,746 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 19:18:33,747 INFO L85 PathProgramCache]: Analyzing trace with hash 814472793, now seen corresponding path program 2 times [2024-11-07 19:18:33,747 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 19:18:33,747 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [197695093] [2024-11-07 19:18:33,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 19:18:33,747 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 19:18:33,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:18:33,918 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 19:18:33,918 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 19:18:33,918 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [197695093] [2024-11-07 19:18:33,918 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [197695093] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 19:18:33,918 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 19:18:33,918 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 19:18:33,919 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1783292651] [2024-11-07 19:18:33,919 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 19:18:33,919 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 19:18:33,919 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 19:18:33,919 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 19:18:33,919 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-07 19:18:33,932 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 25 out of 50 [2024-11-07 19:18:33,933 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 81 places, 61 transitions, 243 flow. Second operand has 6 states, 6 states have (on average 27.666666666666668) internal successors, (166), 6 states have internal predecessors, (166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 19:18:33,933 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 19:18:33,933 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 25 of 50 [2024-11-07 19:18:33,933 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 19:18:34,588 INFO L124 PetriNetUnfolderBase]: 3566/6619 cut-off events. [2024-11-07 19:18:34,588 INFO L125 PetriNetUnfolderBase]: For 2263/2372 co-relation queries the response was YES. [2024-11-07 19:18:34,620 INFO L83 FinitePrefix]: Finished finitePrefix Result has 14506 conditions, 6619 events. 3566/6619 cut-off events. For 2263/2372 co-relation queries the response was YES. Maximal size of possible extension queue 486. Compared 52654 event pairs, 1220 based on Foata normal form. 34/5834 useless extension candidates. Maximal degree in co-relation 14485. Up to 2273 conditions per place. [2024-11-07 19:18:34,632 INFO L140 encePairwiseOnDemand]: 43/50 looper letters, 23 selfloop transitions, 3 changer transitions 30/89 dead transitions. [2024-11-07 19:18:34,633 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 78 places, 89 transitions, 445 flow [2024-11-07 19:18:34,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 19:18:34,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-07 19:18:34,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 199 transitions. [2024-11-07 19:18:34,636 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6633333333333333 [2024-11-07 19:18:34,636 INFO L175 Difference]: Start difference. First operand has 81 places, 61 transitions, 243 flow. Second operand 6 states and 199 transitions. [2024-11-07 19:18:34,636 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 78 places, 89 transitions, 445 flow [2024-11-07 19:18:34,645 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 70 places, 89 transitions, 421 flow, removed 12 selfloop flow, removed 8 redundant places. [2024-11-07 19:18:34,648 INFO L231 Difference]: Finished difference. Result has 73 places, 53 transitions, 199 flow [2024-11-07 19:18:34,648 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=50, PETRI_DIFFERENCE_MINUEND_FLOW=227, PETRI_DIFFERENCE_MINUEND_PLACES=65, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=61, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=58, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=199, PETRI_PLACES=73, PETRI_TRANSITIONS=53} [2024-11-07 19:18:34,648 INFO L277 CegarLoopForPetriNet]: 56 programPoint places, 17 predicate places. [2024-11-07 19:18:34,649 INFO L471 AbstractCegarLoop]: Abstraction has has 73 places, 53 transitions, 199 flow [2024-11-07 19:18:34,649 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 27.666666666666668) internal successors, (166), 6 states have internal predecessors, (166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 19:18:34,649 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 19:18:34,649 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 19:18:34,649 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-07 19:18:34,649 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-11-07 19:18:34,649 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 19:18:34,650 INFO L85 PathProgramCache]: Analyzing trace with hash 1482267, now seen corresponding path program 3 times [2024-11-07 19:18:34,650 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 19:18:34,650 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [467385314] [2024-11-07 19:18:34,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 19:18:34,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 19:18:34,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:18:34,815 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 19:18:34,815 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 19:18:34,816 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [467385314] [2024-11-07 19:18:34,816 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [467385314] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 19:18:34,816 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 19:18:34,816 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 19:18:34,816 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [959910920] [2024-11-07 19:18:34,816 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 19:18:34,817 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 19:18:34,817 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 19:18:34,817 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 19:18:34,818 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-07 19:18:34,835 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 25 out of 50 [2024-11-07 19:18:34,835 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 73 places, 53 transitions, 199 flow. Second operand has 6 states, 6 states have (on average 27.666666666666668) internal successors, (166), 6 states have internal predecessors, (166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 19:18:34,835 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 19:18:34,835 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 25 of 50 [2024-11-07 19:18:34,835 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 19:18:35,030 INFO L124 PetriNetUnfolderBase]: 685/1285 cut-off events. [2024-11-07 19:18:35,030 INFO L125 PetriNetUnfolderBase]: For 464/514 co-relation queries the response was YES. [2024-11-07 19:18:35,035 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2758 conditions, 1285 events. 685/1285 cut-off events. For 464/514 co-relation queries the response was YES. Maximal size of possible extension queue 104. Compared 7263 event pairs, 241 based on Foata normal form. 16/1154 useless extension candidates. Maximal degree in co-relation 2747. Up to 755 conditions per place. [2024-11-07 19:18:35,037 INFO L140 encePairwiseOnDemand]: 44/50 looper letters, 0 selfloop transitions, 0 changer transitions 67/67 dead transitions. [2024-11-07 19:18:35,037 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 71 places, 67 transitions, 311 flow [2024-11-07 19:18:35,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 19:18:35,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-07 19:18:35,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 187 transitions. [2024-11-07 19:18:35,038 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6233333333333333 [2024-11-07 19:18:35,038 INFO L175 Difference]: Start difference. First operand has 73 places, 53 transitions, 199 flow. Second operand 6 states and 187 transitions. [2024-11-07 19:18:35,039 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 71 places, 67 transitions, 311 flow [2024-11-07 19:18:35,040 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 63 places, 67 transitions, 285 flow, removed 5 selfloop flow, removed 8 redundant places. [2024-11-07 19:18:35,041 INFO L231 Difference]: Finished difference. Result has 63 places, 0 transitions, 0 flow [2024-11-07 19:18:35,041 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=50, PETRI_DIFFERENCE_MINUEND_FLOW=167, PETRI_DIFFERENCE_MINUEND_PLACES=58, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=50, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=50, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=63, PETRI_TRANSITIONS=0} [2024-11-07 19:18:35,042 INFO L277 CegarLoopForPetriNet]: 56 programPoint places, 7 predicate places. [2024-11-07 19:18:35,042 INFO L471 AbstractCegarLoop]: Abstraction has has 63 places, 0 transitions, 0 flow [2024-11-07 19:18:35,042 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 27.666666666666668) internal successors, (166), 6 states have internal predecessors, (166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 19:18:35,044 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (5 of 6 remaining) [2024-11-07 19:18:35,045 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (4 of 6 remaining) [2024-11-07 19:18:35,045 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 6 remaining) [2024-11-07 19:18:35,045 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 6 remaining) [2024-11-07 19:18:35,045 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 6 remaining) [2024-11-07 19:18:35,045 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 6 remaining) [2024-11-07 19:18:35,045 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-07 19:18:35,047 INFO L407 BasicCegarLoop]: Path program histogram: [3, 1, 1, 1, 1, 1] [2024-11-07 19:18:35,054 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-07 19:18:35,054 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-07 19:18:35,061 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 07:18:35 BasicIcfg [2024-11-07 19:18:35,062 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-07 19:18:35,063 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-07 19:18:35,063 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-07 19:18:35,063 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-07 19:18:35,064 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 07:18:29" (3/4) ... [2024-11-07 19:18:35,066 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-07 19:18:35,068 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2024-11-07 19:18:35,068 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2024-11-07 19:18:35,068 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2024-11-07 19:18:35,069 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P3 [2024-11-07 19:18:35,073 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2024-11-07 19:18:35,074 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2024-11-07 19:18:35,074 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-07 19:18:35,074 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-07 19:18:35,142 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-07 19:18:35,143 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-07 19:18:35,143 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-07 19:18:35,144 INFO L158 Benchmark]: Toolchain (without parser) took 6693.79ms. Allocated memory was 117.4MB in the beginning and 385.9MB in the end (delta: 268.4MB). Free memory was 90.0MB in the beginning and 144.0MB in the end (delta: -54.0MB). Peak memory consumption was 212.3MB. Max. memory is 16.1GB. [2024-11-07 19:18:35,144 INFO L158 Benchmark]: CDTParser took 0.87ms. Allocated memory is still 117.4MB. Free memory is still 82.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-07 19:18:35,145 INFO L158 Benchmark]: CACSL2BoogieTranslator took 441.41ms. Allocated memory is still 117.4MB. Free memory was 89.8MB in the beginning and 69.8MB in the end (delta: 20.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-07 19:18:35,145 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.79ms. Allocated memory is still 117.4MB. Free memory was 69.8MB in the beginning and 68.0MB in the end (delta: 1.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-07 19:18:35,146 INFO L158 Benchmark]: Boogie Preprocessor took 33.76ms. Allocated memory is still 117.4MB. Free memory was 68.0MB in the beginning and 66.3MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-07 19:18:35,146 INFO L158 Benchmark]: RCFGBuilder took 477.66ms. Allocated memory is still 117.4MB. Free memory was 66.3MB in the beginning and 47.8MB in the end (delta: 18.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-07 19:18:35,147 INFO L158 Benchmark]: TraceAbstraction took 5608.82ms. Allocated memory was 117.4MB in the beginning and 385.9MB in the end (delta: 268.4MB). Free memory was 47.1MB in the beginning and 148.7MB in the end (delta: -101.6MB). Peak memory consumption was 170.4MB. Max. memory is 16.1GB. [2024-11-07 19:18:35,147 INFO L158 Benchmark]: Witness Printer took 80.06ms. Allocated memory is still 385.9MB. Free memory was 148.7MB in the beginning and 144.0MB in the end (delta: 4.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-07 19:18:35,148 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.87ms. Allocated memory is still 117.4MB. Free memory is still 82.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 441.41ms. Allocated memory is still 117.4MB. Free memory was 89.8MB in the beginning and 69.8MB in the end (delta: 20.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.79ms. Allocated memory is still 117.4MB. Free memory was 69.8MB in the beginning and 68.0MB in the end (delta: 1.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.76ms. Allocated memory is still 117.4MB. Free memory was 68.0MB in the beginning and 66.3MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 477.66ms. Allocated memory is still 117.4MB. Free memory was 66.3MB in the beginning and 47.8MB in the end (delta: 18.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 5608.82ms. Allocated memory was 117.4MB in the beginning and 385.9MB in the end (delta: 268.4MB). Free memory was 47.1MB in the beginning and 148.7MB in the end (delta: -101.6MB). Peak memory consumption was 170.4MB. Max. memory is 16.1GB. * Witness Printer took 80.06ms. Allocated memory is still 385.9MB. Free memory was 148.7MB in the beginning and 144.0MB in the end (delta: 4.7MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 784]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 17]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 9 procedures, 79 locations, 6 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 5.5s, OverallIterations: 8, TraceHistogramMax: 1, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 3.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 430 SdHoareTripleChecker+Valid, 0.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 397 mSDsluCounter, 123 SdHoareTripleChecker+Invalid, 0.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 97 mSDsCounter, 32 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 789 IncrementalHoareTripleChecker+Invalid, 821 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 32 mSolverCounterUnsat, 26 mSDtfsCounter, 789 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 61 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=243occurred in iteration=5, InterpolantAutomatonStates: 51, traceCheckStatistics: No data available, 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: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 215 NumberOfCodeBlocks, 215 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 207 ConstructedInterpolants, 0 QuantifiedInterpolants, 685 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-07 19:18:35,176 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE