./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/pthread-wmm/mix057_power.oepc_pso.oepc_rmo.oepc.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/mix057_power.oepc_pso.oepc_rmo.oepc.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', '649d1c1aa65cb6010503451d39379fb2c9cafcc7e0f5f23661f58b5d14c46288'] 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/mix057_power.oepc_pso.oepc_rmo.oepc.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 649d1c1aa65cb6010503451d39379fb2c9cafcc7e0f5f23661f58b5d14c46288 --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 19:15:39,426 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 19:15:39,506 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2024-11-07 19:15:39,511 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 19:15:39,511 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 19:15:39,535 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 19:15:39,536 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 19:15:39,536 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 19:15:39,537 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-07 19:15:39,537 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-07 19:15:39,537 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 19:15:39,538 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 19:15:39,538 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 19:15:39,538 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 19:15:39,539 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 19:15:39,540 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 19:15:39,540 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-07 19:15:39,540 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-07 19:15:39,540 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-07 19:15:39,540 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 19:15:39,540 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-07 19:15:39,540 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-07 19:15:39,540 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-07 19:15:39,540 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 19:15:39,540 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-07 19:15:39,541 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 19:15:39,541 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-07 19:15:39,541 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-07 19:15:39,541 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 19:15:39,541 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 19:15:39,541 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 19:15:39,541 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-07 19:15:39,542 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 19:15:39,542 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 19:15:39,542 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 19:15:39,542 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 19:15:39,543 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-07 19:15:39,543 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-07 19:15:39,543 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 19:15:39,543 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 19:15:39,543 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 19:15:39,543 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 19:15:39,543 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 -> 649d1c1aa65cb6010503451d39379fb2c9cafcc7e0f5f23661f58b5d14c46288 [2024-11-07 19:15:39,804 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 19:15:39,812 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 19:15:39,817 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 19:15:39,818 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 19:15:39,818 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 19:15:39,820 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/mix057_power.oepc_pso.oepc_rmo.oepc.i [2024-11-07 19:15:41,160 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 19:15:41,468 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 19:15:41,468 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/pthread-wmm/mix057_power.oepc_pso.oepc_rmo.oepc.i [2024-11-07 19:15:41,479 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/f8081ed2e/aa1a9c80aadf416f8f0656c8ff40c9f8/FLAGf7a9f871a [2024-11-07 19:15:41,496 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/f8081ed2e/aa1a9c80aadf416f8f0656c8ff40c9f8 [2024-11-07 19:15:41,499 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 19:15:41,500 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 19:15:41,502 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 19:15:41,502 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 19:15:41,506 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 19:15:41,507 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 07:15:41" (1/1) ... [2024-11-07 19:15:41,508 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3eb84205 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:15:41, skipping insertion in model container [2024-11-07 19:15:41,508 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 07:15:41" (1/1) ... [2024-11-07 19:15:41,543 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 19:15:41,827 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 19:15:41,842 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 19:15:41,916 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 19:15:41,948 INFO L204 MainTranslator]: Completed translation [2024-11-07 19:15:41,949 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:15:41 WrapperNode [2024-11-07 19:15:41,949 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 19:15:41,950 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 19:15:41,950 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 19:15:41,950 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 19:15:41,956 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:15:41" (1/1) ... [2024-11-07 19:15:41,976 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:15:41" (1/1) ... [2024-11-07 19:15:42,007 INFO L138 Inliner]: procedures = 176, calls = 52, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 129 [2024-11-07 19:15:42,008 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 19:15:42,008 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 19:15:42,008 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 19:15:42,008 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 19:15:42,017 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:15:41" (1/1) ... [2024-11-07 19:15:42,017 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:15:41" (1/1) ... [2024-11-07 19:15:42,021 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:15:41" (1/1) ... [2024-11-07 19:15:42,045 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 19:15:42,046 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:15:41" (1/1) ... [2024-11-07 19:15:42,046 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:15:41" (1/1) ... [2024-11-07 19:15:42,052 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:15:41" (1/1) ... [2024-11-07 19:15:42,054 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:15:41" (1/1) ... [2024-11-07 19:15:42,056 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:15:41" (1/1) ... [2024-11-07 19:15:42,057 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:15:41" (1/1) ... [2024-11-07 19:15:42,059 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 19:15:42,060 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 19:15:42,060 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 19:15:42,060 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 19:15:42,061 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:15:41" (1/1) ... [2024-11-07 19:15:42,073 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 19:15:42,089 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 19:15:42,105 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 19:15:42,108 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 19:15:42,129 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-07 19:15:42,129 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 19:15:42,130 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-11-07 19:15:42,130 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-11-07 19:15:42,130 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-11-07 19:15:42,130 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-11-07 19:15:42,131 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-11-07 19:15:42,131 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-11-07 19:15:42,131 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2024-11-07 19:15:42,131 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2024-11-07 19:15:42,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-07 19:15:42,131 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-07 19:15:42,131 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 19:15:42,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 19:15:42,133 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 19:15:42,288 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 19:15:42,290 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 19:15:42,689 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-07 19:15:42,689 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 19:15:42,924 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 19:15:42,925 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-07 19:15:42,925 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 07:15:42 BoogieIcfgContainer [2024-11-07 19:15:42,925 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 19:15:42,927 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 19:15:42,928 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 19:15:42,932 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 19:15:42,933 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 07:15:41" (1/3) ... [2024-11-07 19:15:42,934 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e5a18a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 07:15:42, skipping insertion in model container [2024-11-07 19:15:42,934 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:15:41" (2/3) ... [2024-11-07 19:15:42,935 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e5a18a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 07:15:42, skipping insertion in model container [2024-11-07 19:15:42,935 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 07:15:42" (3/3) ... [2024-11-07 19:15:42,936 INFO L112 eAbstractionObserver]: Analyzing ICFG mix057_power.oepc_pso.oepc_rmo.oepc.i [2024-11-07 19:15:42,948 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 19:15:42,949 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2024-11-07 19:15:42,949 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-07 19:15:43,018 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-07 19:15:43,051 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 64 places, 53 transitions, 122 flow [2024-11-07 19:15:43,088 INFO L124 PetriNetUnfolderBase]: 2/49 cut-off events. [2024-11-07 19:15:43,090 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-07 19:15:43,093 INFO L83 FinitePrefix]: Finished finitePrefix Result has 62 conditions, 49 events. 2/49 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 101 event pairs, 0 based on Foata normal form. 0/44 useless extension candidates. Maximal degree in co-relation 53. Up to 2 conditions per place. [2024-11-07 19:15:43,096 INFO L82 GeneralOperation]: Start removeDead. Operand has 64 places, 53 transitions, 122 flow [2024-11-07 19:15:43,099 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 60 places, 49 transitions, 110 flow [2024-11-07 19:15:43,105 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 19:15:43,114 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;@4cb4672, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 19:15:43,114 INFO L334 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2024-11-07 19:15:43,121 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-07 19:15:43,122 INFO L124 PetriNetUnfolderBase]: 0/5 cut-off events. [2024-11-07 19:15:43,122 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-07 19:15:43,122 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 19:15:43,122 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2024-11-07 19:15:43,123 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2024-11-07 19:15:43,126 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 19:15:43,127 INFO L85 PathProgramCache]: Analyzing trace with hash 12553947, now seen corresponding path program 1 times [2024-11-07 19:15:43,133 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 19:15:43,134 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1566201124] [2024-11-07 19:15:43,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 19:15:43,134 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 19:15:43,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:15:43,552 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 19:15:43,553 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 19:15:43,554 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1566201124] [2024-11-07 19:15:43,556 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1566201124] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 19:15:43,556 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 19:15:43,556 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-07 19:15:43,558 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [819817502] [2024-11-07 19:15:43,558 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 19:15:43,564 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 19:15:43,567 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 19:15:43,598 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 19:15:43,598 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 19:15:43,599 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 24 out of 53 [2024-11-07 19:15:43,602 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 60 places, 49 transitions, 110 flow. Second operand has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 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 19:15:43,602 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 19:15:43,602 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 24 of 53 [2024-11-07 19:15:43,603 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 19:15:44,783 INFO L124 PetriNetUnfolderBase]: 3311/5456 cut-off events. [2024-11-07 19:15:44,784 INFO L125 PetriNetUnfolderBase]: For 39/39 co-relation queries the response was YES. [2024-11-07 19:15:44,806 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10136 conditions, 5456 events. 3311/5456 cut-off events. For 39/39 co-relation queries the response was YES. Maximal size of possible extension queue 319. Compared 39342 event pairs, 593 based on Foata normal form. 288/5706 useless extension candidates. Maximal degree in co-relation 10124. Up to 3661 conditions per place. [2024-11-07 19:15:44,841 INFO L140 encePairwiseOnDemand]: 48/53 looper letters, 41 selfloop transitions, 2 changer transitions 2/65 dead transitions. [2024-11-07 19:15:44,842 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 60 places, 65 transitions, 241 flow [2024-11-07 19:15:44,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 19:15:44,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-07 19:15:44,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 122 transitions. [2024-11-07 19:15:44,855 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7672955974842768 [2024-11-07 19:15:44,857 INFO L175 Difference]: Start difference. First operand has 60 places, 49 transitions, 110 flow. Second operand 3 states and 122 transitions. [2024-11-07 19:15:44,858 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 60 places, 65 transitions, 241 flow [2024-11-07 19:15:44,864 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 56 places, 65 transitions, 234 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-11-07 19:15:44,870 INFO L231 Difference]: Finished difference. Result has 56 places, 44 transitions, 100 flow [2024-11-07 19:15:44,873 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=98, PETRI_DIFFERENCE_MINUEND_PLACES=54, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=45, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=43, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=100, PETRI_PLACES=56, PETRI_TRANSITIONS=44} [2024-11-07 19:15:44,877 INFO L277 CegarLoopForPetriNet]: 60 programPoint places, -4 predicate places. [2024-11-07 19:15:44,877 INFO L471 AbstractCegarLoop]: Abstraction has has 56 places, 44 transitions, 100 flow [2024-11-07 19:15:44,878 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 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 19:15:44,878 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 19:15:44,878 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 19:15:44,879 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-07 19:15:44,879 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2024-11-07 19:15:44,880 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 19:15:44,881 INFO L85 PathProgramCache]: Analyzing trace with hash -1386663784, now seen corresponding path program 1 times [2024-11-07 19:15:44,881 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 19:15:44,881 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1859905876] [2024-11-07 19:15:44,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 19:15:44,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 19:15:44,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:15:45,007 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 19:15:45,007 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 19:15:45,008 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1859905876] [2024-11-07 19:15:45,008 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1859905876] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 19:15:45,008 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 19:15:45,008 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-07 19:15:45,010 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [143004710] [2024-11-07 19:15:45,010 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 19:15:45,011 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 19:15:45,011 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 19:15:45,012 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 19:15:45,012 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 19:15:45,012 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 23 out of 53 [2024-11-07 19:15:45,013 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 56 places, 44 transitions, 100 flow. Second operand has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 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 19:15:45,013 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 19:15:45,013 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 23 of 53 [2024-11-07 19:15:45,013 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 19:15:45,729 INFO L124 PetriNetUnfolderBase]: 2903/4911 cut-off events. [2024-11-07 19:15:45,729 INFO L125 PetriNetUnfolderBase]: For 278/278 co-relation queries the response was YES. [2024-11-07 19:15:45,738 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9315 conditions, 4911 events. 2903/4911 cut-off events. For 278/278 co-relation queries the response was YES. Maximal size of possible extension queue 291. Compared 34909 event pairs, 2903 based on Foata normal form. 144/4920 useless extension candidates. Maximal degree in co-relation 9305. Up to 4016 conditions per place. [2024-11-07 19:15:45,757 INFO L140 encePairwiseOnDemand]: 51/53 looper letters, 22 selfloop transitions, 1 changer transitions 1/43 dead transitions. [2024-11-07 19:15:45,757 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 56 places, 43 transitions, 146 flow [2024-11-07 19:15:45,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 19:15:45,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-07 19:15:45,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 94 transitions. [2024-11-07 19:15:45,761 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5911949685534591 [2024-11-07 19:15:45,761 INFO L175 Difference]: Start difference. First operand has 56 places, 44 transitions, 100 flow. Second operand 3 states and 94 transitions. [2024-11-07 19:15:45,761 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 56 places, 43 transitions, 146 flow [2024-11-07 19:15:45,762 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 54 places, 43 transitions, 142 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-07 19:15:45,764 INFO L231 Difference]: Finished difference. Result has 54 places, 42 transitions, 94 flow [2024-11-07 19:15:45,764 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=94, PETRI_DIFFERENCE_MINUEND_PLACES=52, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=43, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=42, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=94, PETRI_PLACES=54, PETRI_TRANSITIONS=42} [2024-11-07 19:15:45,765 INFO L277 CegarLoopForPetriNet]: 60 programPoint places, -6 predicate places. [2024-11-07 19:15:45,765 INFO L471 AbstractCegarLoop]: Abstraction has has 54 places, 42 transitions, 94 flow [2024-11-07 19:15:45,765 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 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 19:15:45,765 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 19:15:45,765 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 19:15:45,766 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-07 19:15:45,766 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2024-11-07 19:15:45,766 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 19:15:45,766 INFO L85 PathProgramCache]: Analyzing trace with hash -1386662595, now seen corresponding path program 1 times [2024-11-07 19:15:45,766 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 19:15:45,766 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [76812710] [2024-11-07 19:15:45,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 19:15:45,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 19:15:45,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:15:46,077 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 19:15:46,078 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 19:15:46,078 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [76812710] [2024-11-07 19:15:46,078 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [76812710] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 19:15:46,078 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 19:15:46,080 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 19:15:46,080 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [253610552] [2024-11-07 19:15:46,080 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 19:15:46,080 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 19:15:46,081 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 19:15:46,081 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 19:15:46,081 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-07 19:15:46,097 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 53 [2024-11-07 19:15:46,097 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 54 places, 42 transitions, 94 flow. Second operand has 5 states, 5 states have (on average 18.8) internal successors, (94), 5 states have internal predecessors, (94), 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 19:15:46,098 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 19:15:46,098 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 53 [2024-11-07 19:15:46,098 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 19:15:50,428 INFO L124 PetriNetUnfolderBase]: 38072/54360 cut-off events. [2024-11-07 19:15:50,429 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-07 19:15:50,532 INFO L83 FinitePrefix]: Finished finitePrefix Result has 105659 conditions, 54360 events. 38072/54360 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 2288. Compared 387375 event pairs, 9478 based on Foata normal form. 0/53190 useless extension candidates. Maximal degree in co-relation 105653. Up to 16337 conditions per place. [2024-11-07 19:15:50,672 INFO L140 encePairwiseOnDemand]: 41/53 looper letters, 47 selfloop transitions, 8 changer transitions 103/169 dead transitions. [2024-11-07 19:15:50,672 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 61 places, 169 transitions, 668 flow [2024-11-07 19:15:50,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-07 19:15:50,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-11-07 19:15:50,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 304 transitions. [2024-11-07 19:15:50,677 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6373165618448637 [2024-11-07 19:15:50,677 INFO L175 Difference]: Start difference. First operand has 54 places, 42 transitions, 94 flow. Second operand 9 states and 304 transitions. [2024-11-07 19:15:50,677 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 61 places, 169 transitions, 668 flow [2024-11-07 19:15:50,678 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 60 places, 169 transitions, 667 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-07 19:15:50,684 INFO L231 Difference]: Finished difference. Result has 68 places, 48 transitions, 203 flow [2024-11-07 19:15:50,684 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=93, PETRI_DIFFERENCE_MINUEND_PLACES=52, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=42, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=34, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=203, PETRI_PLACES=68, PETRI_TRANSITIONS=48} [2024-11-07 19:15:50,686 INFO L277 CegarLoopForPetriNet]: 60 programPoint places, 8 predicate places. [2024-11-07 19:15:50,686 INFO L471 AbstractCegarLoop]: Abstraction has has 68 places, 48 transitions, 203 flow [2024-11-07 19:15:50,686 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.8) internal successors, (94), 5 states have internal predecessors, (94), 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 19:15:50,686 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 19:15:50,686 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 19:15:50,686 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-07 19:15:50,687 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2024-11-07 19:15:50,687 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 19:15:50,687 INFO L85 PathProgramCache]: Analyzing trace with hash 660199834, now seen corresponding path program 1 times [2024-11-07 19:15:50,687 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 19:15:50,688 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [920564060] [2024-11-07 19:15:50,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 19:15:50,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 19:15:50,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:15:50,933 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 19:15:50,933 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 19:15:50,933 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [920564060] [2024-11-07 19:15:50,934 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [920564060] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 19:15:50,934 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 19:15:50,934 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 19:15:50,934 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1874241581] [2024-11-07 19:15:50,934 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 19:15:50,935 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 19:15:50,935 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 19:15:50,935 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 19:15:50,935 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-07 19:15:50,955 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 53 [2024-11-07 19:15:50,956 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 68 places, 48 transitions, 203 flow. Second operand has 6 states, 6 states have (on average 18.5) internal successors, (111), 6 states have internal predecessors, (111), 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 19:15:50,956 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 19:15:50,956 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 53 [2024-11-07 19:15:50,956 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 19:15:55,037 INFO L124 PetriNetUnfolderBase]: 29225/43088 cut-off events. [2024-11-07 19:15:55,037 INFO L125 PetriNetUnfolderBase]: For 67270/67282 co-relation queries the response was YES. [2024-11-07 19:15:55,160 INFO L83 FinitePrefix]: Finished finitePrefix Result has 128071 conditions, 43088 events. 29225/43088 cut-off events. For 67270/67282 co-relation queries the response was YES. Maximal size of possible extension queue 1869. Compared 315347 event pairs, 2002 based on Foata normal form. 1095/44126 useless extension candidates. Maximal degree in co-relation 128056. Up to 15165 conditions per place. [2024-11-07 19:15:55,310 INFO L140 encePairwiseOnDemand]: 42/53 looper letters, 63 selfloop transitions, 12 changer transitions 102/188 dead transitions. [2024-11-07 19:15:55,310 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 70 places, 188 transitions, 1247 flow [2024-11-07 19:15:55,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-07 19:15:55,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2024-11-07 19:15:55,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 322 transitions. [2024-11-07 19:15:55,312 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6075471698113207 [2024-11-07 19:15:55,312 INFO L175 Difference]: Start difference. First operand has 68 places, 48 transitions, 203 flow. Second operand 10 states and 322 transitions. [2024-11-07 19:15:55,313 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 70 places, 188 transitions, 1247 flow [2024-11-07 19:15:55,639 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 66 places, 188 transitions, 1089 flow, removed 39 selfloop flow, removed 4 redundant places. [2024-11-07 19:15:55,641 INFO L231 Difference]: Finished difference. Result has 75 places, 56 transitions, 311 flow [2024-11-07 19:15:55,641 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=173, PETRI_DIFFERENCE_MINUEND_PLACES=57, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=48, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=38, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=311, PETRI_PLACES=75, PETRI_TRANSITIONS=56} [2024-11-07 19:15:55,642 INFO L277 CegarLoopForPetriNet]: 60 programPoint places, 15 predicate places. [2024-11-07 19:15:55,642 INFO L471 AbstractCegarLoop]: Abstraction has has 75 places, 56 transitions, 311 flow [2024-11-07 19:15:55,642 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 18.5) internal successors, (111), 6 states have internal predecessors, (111), 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 19:15:55,642 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 19:15:55,643 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 19:15:55,643 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-07 19:15:55,643 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2024-11-07 19:15:55,643 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 19:15:55,643 INFO L85 PathProgramCache]: Analyzing trace with hash 1569498588, now seen corresponding path program 1 times [2024-11-07 19:15:55,644 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 19:15:55,644 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1050765499] [2024-11-07 19:15:55,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 19:15:55,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 19:15:55,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:15:55,797 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 19:15:55,798 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 19:15:55,798 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1050765499] [2024-11-07 19:15:55,798 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1050765499] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 19:15:55,798 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 19:15:55,798 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 19:15:55,798 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1581103897] [2024-11-07 19:15:55,798 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 19:15:55,799 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 19:15:55,799 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 19:15:55,799 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 19:15:55,799 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-07 19:15:55,806 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 20 out of 53 [2024-11-07 19:15:55,807 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 75 places, 56 transitions, 311 flow. Second operand has 5 states, 5 states have (on average 22.8) internal successors, (114), 5 states have internal predecessors, (114), 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 19:15:55,807 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 19:15:55,807 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 20 of 53 [2024-11-07 19:15:55,807 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 19:15:59,211 INFO L124 PetriNetUnfolderBase]: 21773/34595 cut-off events. [2024-11-07 19:15:59,211 INFO L125 PetriNetUnfolderBase]: For 81226/82475 co-relation queries the response was YES. [2024-11-07 19:15:59,383 INFO L83 FinitePrefix]: Finished finitePrefix Result has 102969 conditions, 34595 events. 21773/34595 cut-off events. For 81226/82475 co-relation queries the response was YES. Maximal size of possible extension queue 1730. Compared 285050 event pairs, 9089 based on Foata normal form. 1708/35469 useless extension candidates. Maximal degree in co-relation 102947. Up to 22165 conditions per place. [2024-11-07 19:15:59,547 INFO L140 encePairwiseOnDemand]: 47/53 looper letters, 46 selfloop transitions, 7 changer transitions 55/133 dead transitions. [2024-11-07 19:15:59,547 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 75 places, 133 transitions, 907 flow [2024-11-07 19:15:59,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-07 19:15:59,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2024-11-07 19:15:59,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 228 transitions. [2024-11-07 19:15:59,549 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6145552560646901 [2024-11-07 19:15:59,549 INFO L175 Difference]: Start difference. First operand has 75 places, 56 transitions, 311 flow. Second operand 7 states and 228 transitions. [2024-11-07 19:15:59,549 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 75 places, 133 transitions, 907 flow [2024-11-07 19:15:59,828 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 75 places, 133 transitions, 891 flow, removed 8 selfloop flow, removed 0 redundant places. [2024-11-07 19:15:59,829 INFO L231 Difference]: Finished difference. Result has 80 places, 62 transitions, 414 flow [2024-11-07 19:15:59,829 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=303, PETRI_DIFFERENCE_MINUEND_PLACES=69, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=56, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=49, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=414, PETRI_PLACES=80, PETRI_TRANSITIONS=62} [2024-11-07 19:15:59,830 INFO L277 CegarLoopForPetriNet]: 60 programPoint places, 20 predicate places. [2024-11-07 19:15:59,830 INFO L471 AbstractCegarLoop]: Abstraction has has 80 places, 62 transitions, 414 flow [2024-11-07 19:15:59,830 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 22.8) internal successors, (114), 5 states have internal predecessors, (114), 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 19:15:59,830 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 19:15:59,830 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 19:15:59,831 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-07 19:15:59,831 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2024-11-07 19:15:59,831 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 19:15:59,831 INFO L85 PathProgramCache]: Analyzing trace with hash 406069731, now seen corresponding path program 1 times [2024-11-07 19:15:59,832 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 19:15:59,832 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1432645385] [2024-11-07 19:15:59,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 19:15:59,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 19:15:59,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:16:00,016 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 19:16:00,016 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 19:16:00,016 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1432645385] [2024-11-07 19:16:00,016 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1432645385] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 19:16:00,016 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 19:16:00,016 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 19:16:00,016 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1916311946] [2024-11-07 19:16:00,016 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 19:16:00,017 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 19:16:00,017 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 19:16:00,017 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 19:16:00,017 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-07 19:16:00,027 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 20 out of 53 [2024-11-07 19:16:00,028 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 80 places, 62 transitions, 414 flow. Second operand has 5 states, 5 states have (on average 22.8) internal successors, (114), 5 states have internal predecessors, (114), 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 19:16:00,028 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 19:16:00,028 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 20 of 53 [2024-11-07 19:16:00,028 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 19:16:03,550 INFO L124 PetriNetUnfolderBase]: 21237/33617 cut-off events. [2024-11-07 19:16:03,550 INFO L125 PetriNetUnfolderBase]: For 90483/91684 co-relation queries the response was YES. [2024-11-07 19:16:03,661 INFO L83 FinitePrefix]: Finished finitePrefix Result has 104691 conditions, 33617 events. 21237/33617 cut-off events. For 90483/91684 co-relation queries the response was YES. Maximal size of possible extension queue 1671. Compared 271438 event pairs, 6516 based on Foata normal form. 1288/34461 useless extension candidates. Maximal degree in co-relation 104662. Up to 21615 conditions per place. [2024-11-07 19:16:03,756 INFO L140 encePairwiseOnDemand]: 47/53 looper letters, 44 selfloop transitions, 7 changer transitions 55/137 dead transitions. [2024-11-07 19:16:03,757 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 82 places, 137 transitions, 1002 flow [2024-11-07 19:16:03,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-07 19:16:03,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2024-11-07 19:16:03,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 226 transitions. [2024-11-07 19:16:03,758 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6091644204851752 [2024-11-07 19:16:03,758 INFO L175 Difference]: Start difference. First operand has 80 places, 62 transitions, 414 flow. Second operand 7 states and 226 transitions. [2024-11-07 19:16:03,758 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 82 places, 137 transitions, 1002 flow [2024-11-07 19:16:03,863 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 75 places, 137 transitions, 951 flow, removed 22 selfloop flow, removed 7 redundant places. [2024-11-07 19:16:03,865 INFO L231 Difference]: Finished difference. Result has 80 places, 68 transitions, 478 flow [2024-11-07 19:16:03,865 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=375, PETRI_DIFFERENCE_MINUEND_PLACES=69, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=62, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=55, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=478, PETRI_PLACES=80, PETRI_TRANSITIONS=68} [2024-11-07 19:16:03,866 INFO L277 CegarLoopForPetriNet]: 60 programPoint places, 20 predicate places. [2024-11-07 19:16:03,866 INFO L471 AbstractCegarLoop]: Abstraction has has 80 places, 68 transitions, 478 flow [2024-11-07 19:16:03,866 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 22.8) internal successors, (114), 5 states have internal predecessors, (114), 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 19:16:03,866 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 19:16:03,866 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] [2024-11-07 19:16:03,866 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-07 19:16:03,866 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2024-11-07 19:16:03,867 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 19:16:03,867 INFO L85 PathProgramCache]: Analyzing trace with hash 557434407, now seen corresponding path program 1 times [2024-11-07 19:16:03,867 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 19:16:03,867 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [777646911] [2024-11-07 19:16:03,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 19:16:03,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 19:16:03,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:16:04,062 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 19:16:04,063 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 19:16:04,063 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [777646911] [2024-11-07 19:16:04,063 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [777646911] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 19:16:04,064 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 19:16:04,064 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 19:16:04,064 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1969282062] [2024-11-07 19:16:04,064 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 19:16:04,065 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 19:16:04,065 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 19:16:04,065 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 19:16:04,065 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-07 19:16:04,070 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 20 out of 53 [2024-11-07 19:16:04,071 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 80 places, 68 transitions, 478 flow. Second operand has 5 states, 5 states have (on average 23.0) internal successors, (115), 5 states have internal predecessors, (115), 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 19:16:04,071 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 19:16:04,071 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 20 of 53 [2024-11-07 19:16:04,071 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 19:16:08,814 INFO L124 PetriNetUnfolderBase]: 27932/43574 cut-off events. [2024-11-07 19:16:08,814 INFO L125 PetriNetUnfolderBase]: For 150025/152349 co-relation queries the response was YES. [2024-11-07 19:16:09,016 INFO L83 FinitePrefix]: Finished finitePrefix Result has 138268 conditions, 43574 events. 27932/43574 cut-off events. For 150025/152349 co-relation queries the response was YES. Maximal size of possible extension queue 2138. Compared 363250 event pairs, 9558 based on Foata normal form. 1789/44343 useless extension candidates. Maximal degree in co-relation 138239. Up to 16860 conditions per place. [2024-11-07 19:16:09,150 INFO L140 encePairwiseOnDemand]: 48/53 looper letters, 48 selfloop transitions, 8 changer transitions 52/139 dead transitions. [2024-11-07 19:16:09,150 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 82 places, 139 transitions, 1004 flow [2024-11-07 19:16:09,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-07 19:16:09,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2024-11-07 19:16:09,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 233 transitions. [2024-11-07 19:16:09,152 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.628032345013477 [2024-11-07 19:16:09,152 INFO L175 Difference]: Start difference. First operand has 80 places, 68 transitions, 478 flow. Second operand 7 states and 233 transitions. [2024-11-07 19:16:09,152 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 82 places, 139 transitions, 1004 flow [2024-11-07 19:16:09,518 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 79 places, 139 transitions, 969 flow, removed 14 selfloop flow, removed 3 redundant places. [2024-11-07 19:16:09,519 INFO L231 Difference]: Finished difference. Result has 84 places, 67 transitions, 485 flow [2024-11-07 19:16:09,520 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=459, PETRI_DIFFERENCE_MINUEND_PLACES=73, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=68, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=60, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=485, PETRI_PLACES=84, PETRI_TRANSITIONS=67} [2024-11-07 19:16:09,520 INFO L277 CegarLoopForPetriNet]: 60 programPoint places, 24 predicate places. [2024-11-07 19:16:09,520 INFO L471 AbstractCegarLoop]: Abstraction has has 84 places, 67 transitions, 485 flow [2024-11-07 19:16:09,520 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 23.0) internal successors, (115), 5 states have internal predecessors, (115), 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 19:16:09,521 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 19:16:09,521 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] [2024-11-07 19:16:09,521 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-07 19:16:09,521 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2024-11-07 19:16:09,521 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 19:16:09,521 INFO L85 PathProgramCache]: Analyzing trace with hash 1212787937, now seen corresponding path program 1 times [2024-11-07 19:16:09,522 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 19:16:09,522 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [759150520] [2024-11-07 19:16:09,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 19:16:09,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 19:16:09,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:16:09,858 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 19:16:09,858 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 19:16:09,858 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [759150520] [2024-11-07 19:16:09,858 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [759150520] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 19:16:09,858 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 19:16:09,858 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 19:16:09,858 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [480863027] [2024-11-07 19:16:09,859 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 19:16:09,859 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 19:16:09,860 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 19:16:09,860 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 19:16:09,861 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-07 19:16:09,868 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 20 out of 53 [2024-11-07 19:16:09,868 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 84 places, 67 transitions, 485 flow. Second operand has 5 states, 5 states have (on average 23.0) internal successors, (115), 5 states have internal predecessors, (115), 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 19:16:09,869 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 19:16:09,869 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 20 of 53 [2024-11-07 19:16:09,869 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand