./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/valid-memsafety.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/safe035_pso.oepc_pso.opt_rmo.oepc_rmo.opt_tso.oepc_tso.opt.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version fca748b1 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/safe035_pso.oepc_pso.opt_rmo.oepc_rmo.opt_tso.oepc_tso.opt.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/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 fb302bfc042709458f72100356b9fd74bb7921271e539fc7dcbd801222f139c8 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dd.update-z3-fca748b-m [2024-11-20 17:30:26,164 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-20 17:30:26,205 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2024-11-20 17:30:26,208 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-20 17:30:26,208 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-20 17:30:26,223 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-20 17:30:26,224 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-20 17:30:26,224 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-20 17:30:26,225 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-20 17:30:26,225 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-20 17:30:26,225 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-20 17:30:26,225 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-20 17:30:26,226 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-20 17:30:26,226 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-20 17:30:26,226 INFO L153 SettingsManager]: * Use SBE=true [2024-11-20 17:30:26,227 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-20 17:30:26,227 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-20 17:30:26,227 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-20 17:30:26,227 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-20 17:30:26,228 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-20 17:30:26,228 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-20 17:30:26,228 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-20 17:30:26,229 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-20 17:30:26,229 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-20 17:30:26,229 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-20 17:30:26,229 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-20 17:30:26,230 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-20 17:30:26,230 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-20 17:30:26,230 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-20 17:30:26,230 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-20 17:30:26,231 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-20 17:30:26,231 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-20 17:30:26,231 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-20 17:30:26,231 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 17:30:26,232 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-20 17:30:26,232 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-20 17:30:26,232 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-20 17:30:26,232 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-20 17:30:26,233 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-20 17:30:26,233 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-20 17:30:26,233 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-20 17:30:26,234 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-20 17:30:26,234 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fb302bfc042709458f72100356b9fd74bb7921271e539fc7dcbd801222f139c8 [2024-11-20 17:30:26,504 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-20 17:30:26,557 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-20 17:30:26,563 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-20 17:30:26,564 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-20 17:30:26,568 INFO L274 PluginConnector]: CDTParser initialized [2024-11-20 17:30:26,570 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/safe035_pso.oepc_pso.opt_rmo.oepc_rmo.opt_tso.oepc_tso.opt.i [2024-11-20 17:30:27,928 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-20 17:30:28,112 INFO L384 CDTParser]: Found 1 translation units. [2024-11-20 17:30:28,113 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/safe035_pso.oepc_pso.opt_rmo.oepc_rmo.opt_tso.oepc_tso.opt.i [2024-11-20 17:30:28,132 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0f881fc98/c34614c2dd0244f5b77c5dcaacfa8b0e/FLAG2932ab192 [2024-11-20 17:30:28,484 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0f881fc98/c34614c2dd0244f5b77c5dcaacfa8b0e [2024-11-20 17:30:28,486 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-20 17:30:28,487 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-20 17:30:28,489 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-20 17:30:28,489 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-20 17:30:28,494 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-20 17:30:28,494 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:30:28" (1/1) ... [2024-11-20 17:30:28,495 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@82d95c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:30:28, skipping insertion in model container [2024-11-20 17:30:28,495 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:30:28" (1/1) ... [2024-11-20 17:30:28,540 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-20 17:30:28,874 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 17:30:28,906 INFO L200 MainTranslator]: Completed pre-run [2024-11-20 17:30:29,006 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 17:30:29,045 INFO L204 MainTranslator]: Completed translation [2024-11-20 17:30:29,046 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:30:29 WrapperNode [2024-11-20 17:30:29,046 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-20 17:30:29,053 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-20 17:30:29,054 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-20 17:30:29,056 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-20 17:30:29,067 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:30:29" (1/1) ... [2024-11-20 17:30:29,083 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:30:29" (1/1) ... [2024-11-20 17:30:29,125 INFO L138 Inliner]: procedures = 175, calls = 48, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 60 [2024-11-20 17:30:29,126 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-20 17:30:29,126 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-20 17:30:29,126 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-20 17:30:29,127 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-20 17:30:29,143 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:30:29" (1/1) ... [2024-11-20 17:30:29,144 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:30:29" (1/1) ... [2024-11-20 17:30:29,149 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:30:29" (1/1) ... [2024-11-20 17:30:29,185 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]. [2024-11-20 17:30:29,185 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:30:29" (1/1) ... [2024-11-20 17:30:29,185 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:30:29" (1/1) ... [2024-11-20 17:30:29,197 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:30:29" (1/1) ... [2024-11-20 17:30:29,203 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:30:29" (1/1) ... [2024-11-20 17:30:29,204 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:30:29" (1/1) ... [2024-11-20 17:30:29,207 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:30:29" (1/1) ... [2024-11-20 17:30:29,212 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-20 17:30:29,213 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-20 17:30:29,216 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-20 17:30:29,216 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-20 17:30:29,217 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:30:29" (1/1) ... [2024-11-20 17:30:29,229 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 17:30:29,238 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 17:30:29,253 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-20 17:30:29,255 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-20 17:30:29,286 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-20 17:30:29,286 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-20 17:30:29,286 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-11-20 17:30:29,287 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-11-20 17:30:29,287 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-11-20 17:30:29,287 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-11-20 17:30:29,287 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-11-20 17:30:29,287 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-11-20 17:30:29,287 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-20 17:30:29,287 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-20 17:30:29,287 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-20 17:30:29,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-20 17:30:29,288 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-20 17:30:29,371 INFO L238 CfgBuilder]: Building ICFG [2024-11-20 17:30:29,373 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-20 17:30:29,535 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-20 17:30:29,536 INFO L287 CfgBuilder]: Performing block encoding [2024-11-20 17:30:29,684 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-20 17:30:29,685 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-20 17:30:29,685 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:30:29 BoogieIcfgContainer [2024-11-20 17:30:29,685 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-20 17:30:29,686 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-20 17:30:29,686 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-20 17:30:29,694 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-20 17:30:29,694 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 05:30:28" (1/3) ... [2024-11-20 17:30:29,695 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3054397c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 05:30:29, skipping insertion in model container [2024-11-20 17:30:29,695 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:30:29" (2/3) ... [2024-11-20 17:30:29,695 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3054397c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 05:30:29, skipping insertion in model container [2024-11-20 17:30:29,695 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:30:29" (3/3) ... [2024-11-20 17:30:29,696 INFO L112 eAbstractionObserver]: Analyzing ICFG safe035_pso.oepc_pso.opt_rmo.oepc_rmo.opt_tso.oepc_tso.opt.i [2024-11-20 17:30:29,725 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-20 17:30:29,729 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-20 17:30:29,729 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-20 17:30:29,801 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-20 17:30:29,849 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 54 places, 46 transitions, 104 flow [2024-11-20 17:30:29,893 INFO L124 PetriNetUnfolderBase]: 2/43 cut-off events. [2024-11-20 17:30:29,894 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-20 17:30:29,902 INFO L83 FinitePrefix]: Finished finitePrefix Result has 53 conditions, 43 events. 2/43 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 86 event pairs, 0 based on Foata normal form. 0/39 useless extension candidates. Maximal degree in co-relation 45. Up to 2 conditions per place. [2024-11-20 17:30:29,903 INFO L82 GeneralOperation]: Start removeDead. Operand has 54 places, 46 transitions, 104 flow [2024-11-20 17:30:29,908 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 50 places, 42 transitions, 93 flow [2024-11-20 17:30:29,918 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-20 17:30:29,926 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;@611874bf, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-20 17:30:29,926 INFO L334 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2024-11-20 17:30:29,950 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-20 17:30:29,950 INFO L124 PetriNetUnfolderBase]: 2/40 cut-off events. [2024-11-20 17:30:29,950 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-20 17:30:29,951 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 17:30:29,951 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 17:30:29,952 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-20 17:30:29,965 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 17:30:29,966 INFO L85 PathProgramCache]: Analyzing trace with hash 320925521, now seen corresponding path program 1 times [2024-11-20 17:30:29,981 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 17:30:29,981 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [643807489] [2024-11-20 17:30:29,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 17:30:29,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 17:30:30,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 17:30:30,242 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 17:30:30,242 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 17:30:30,243 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [643807489] [2024-11-20 17:30:30,243 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [643807489] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 17:30:30,243 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 17:30:30,243 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-20 17:30:30,244 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1241116130] [2024-11-20 17:30:30,245 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 17:30:30,250 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 17:30:30,254 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 17:30:30,270 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 17:30:30,271 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 17:30:30,275 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 27 out of 46 [2024-11-20 17:30:30,277 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 50 places, 42 transitions, 93 flow. Second operand has 3 states, 3 states have (on average 30.666666666666668) internal successors, (92), 3 states have internal predecessors, (92), 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) [2024-11-20 17:30:30,277 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 17:30:30,277 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 27 of 46 [2024-11-20 17:30:30,278 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 17:30:30,354 INFO L124 PetriNetUnfolderBase]: 75/226 cut-off events. [2024-11-20 17:30:30,355 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-20 17:30:30,356 INFO L83 FinitePrefix]: Finished finitePrefix Result has 381 conditions, 226 events. 75/226 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 1224 event pairs, 75 based on Foata normal form. 24/229 useless extension candidates. Maximal degree in co-relation 370. Up to 136 conditions per place. [2024-11-20 17:30:30,358 INFO L140 encePairwiseOnDemand]: 42/46 looper letters, 12 selfloop transitions, 1 changer transitions 1/38 dead transitions. [2024-11-20 17:30:30,358 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 50 places, 38 transitions, 113 flow [2024-11-20 17:30:30,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 17:30:30,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-20 17:30:30,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 98 transitions. [2024-11-20 17:30:30,367 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7101449275362319 [2024-11-20 17:30:30,368 INFO L175 Difference]: Start difference. First operand has 50 places, 42 transitions, 93 flow. Second operand 3 states and 98 transitions. [2024-11-20 17:30:30,368 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 50 places, 38 transitions, 113 flow [2024-11-20 17:30:30,370 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 47 places, 38 transitions, 110 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-11-20 17:30:30,371 INFO L231 Difference]: Finished difference. Result has 47 places, 37 transitions, 82 flow [2024-11-20 17:30:30,373 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=46, PETRI_DIFFERENCE_MINUEND_FLOW=82, PETRI_DIFFERENCE_MINUEND_PLACES=45, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=38, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=37, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=82, PETRI_PLACES=47, PETRI_TRANSITIONS=37} [2024-11-20 17:30:30,375 INFO L277 CegarLoopForPetriNet]: 50 programPoint places, -3 predicate places. [2024-11-20 17:30:30,375 INFO L471 AbstractCegarLoop]: Abstraction has has 47 places, 37 transitions, 82 flow [2024-11-20 17:30:30,375 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.666666666666668) internal successors, (92), 3 states have internal predecessors, (92), 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) [2024-11-20 17:30:30,376 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 17:30:30,376 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 17:30:30,376 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-20 17:30:30,376 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-20 17:30:30,377 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 17:30:30,377 INFO L85 PathProgramCache]: Analyzing trace with hash 320927073, now seen corresponding path program 1 times [2024-11-20 17:30:30,377 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 17:30:30,377 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1557496931] [2024-11-20 17:30:30,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 17:30:30,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 17:30:30,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 17:30:30,594 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 17:30:30,595 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 17:30:30,595 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1557496931] [2024-11-20 17:30:30,595 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1557496931] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 17:30:30,595 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 17:30:30,595 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-20 17:30:30,595 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [248399940] [2024-11-20 17:30:30,596 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 17:30:30,596 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-20 17:30:30,597 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 17:30:30,597 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-20 17:30:30,597 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-20 17:30:30,609 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 21 out of 46 [2024-11-20 17:30:30,609 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 47 places, 37 transitions, 82 flow. Second operand has 5 states, 5 states have (on average 23.2) internal successors, (116), 5 states have internal predecessors, (116), 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) [2024-11-20 17:30:30,609 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 17:30:30,610 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 21 of 46 [2024-11-20 17:30:30,610 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 17:30:30,932 INFO L124 PetriNetUnfolderBase]: 1499/2782 cut-off events. [2024-11-20 17:30:30,932 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-20 17:30:30,942 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5138 conditions, 2782 events. 1499/2782 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 199. Compared 19850 event pairs, 378 based on Foata normal form. 0/2674 useless extension candidates. Maximal degree in co-relation 5132. Up to 765 conditions per place. [2024-11-20 17:30:30,950 INFO L140 encePairwiseOnDemand]: 36/46 looper letters, 28 selfloop transitions, 6 changer transitions 51/102 dead transitions. [2024-11-20 17:30:30,950 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 54 places, 102 transitions, 386 flow [2024-11-20 17:30:30,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-20 17:30:30,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-11-20 17:30:30,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 276 transitions. [2024-11-20 17:30:30,953 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6666666666666666 [2024-11-20 17:30:30,954 INFO L175 Difference]: Start difference. First operand has 47 places, 37 transitions, 82 flow. Second operand 9 states and 276 transitions. [2024-11-20 17:30:30,955 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 54 places, 102 transitions, 386 flow [2024-11-20 17:30:30,955 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 53 places, 102 transitions, 385 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-20 17:30:30,957 INFO L231 Difference]: Finished difference. Result has 61 places, 40 transitions, 153 flow [2024-11-20 17:30:30,959 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=46, PETRI_DIFFERENCE_MINUEND_FLOW=81, PETRI_DIFFERENCE_MINUEND_PLACES=45, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=37, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=31, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=153, PETRI_PLACES=61, PETRI_TRANSITIONS=40} [2024-11-20 17:30:30,959 INFO L277 CegarLoopForPetriNet]: 50 programPoint places, 11 predicate places. [2024-11-20 17:30:30,960 INFO L471 AbstractCegarLoop]: Abstraction has has 61 places, 40 transitions, 153 flow [2024-11-20 17:30:30,960 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 23.2) internal successors, (116), 5 states have internal predecessors, (116), 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) [2024-11-20 17:30:30,960 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 17:30:30,960 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 17:30:30,960 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-20 17:30:30,960 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-20 17:30:30,961 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 17:30:30,961 INFO L85 PathProgramCache]: Analyzing trace with hash 235921472, now seen corresponding path program 1 times [2024-11-20 17:30:30,962 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 17:30:30,963 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [198072099] [2024-11-20 17:30:30,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 17:30:30,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 17:30:30,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 17:30:31,174 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 17:30:31,175 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 17:30:31,175 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [198072099] [2024-11-20 17:30:31,175 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [198072099] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 17:30:31,175 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 17:30:31,176 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-20 17:30:31,177 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2028899552] [2024-11-20 17:30:31,177 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 17:30:31,177 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-20 17:30:31,177 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 17:30:31,178 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-20 17:30:31,178 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-20 17:30:31,191 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 21 out of 46 [2024-11-20 17:30:31,191 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 61 places, 40 transitions, 153 flow. Second operand has 6 states, 6 states have (on average 23.0) internal successors, (138), 6 states have internal predecessors, (138), 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) [2024-11-20 17:30:31,193 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 17:30:31,193 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 21 of 46 [2024-11-20 17:30:31,193 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 17:30:31,455 INFO L124 PetriNetUnfolderBase]: 847/1747 cut-off events. [2024-11-20 17:30:31,456 INFO L125 PetriNetUnfolderBase]: For 2870/2870 co-relation queries the response was YES. [2024-11-20 17:30:31,460 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4913 conditions, 1747 events. 847/1747 cut-off events. For 2870/2870 co-relation queries the response was YES. Maximal size of possible extension queue 119. Compared 12370 event pairs, 231 based on Foata normal form. 63/1774 useless extension candidates. Maximal degree in co-relation 4898. Up to 391 conditions per place. [2024-11-20 17:30:31,464 INFO L140 encePairwiseOnDemand]: 38/46 looper letters, 30 selfloop transitions, 6 changer transitions 45/98 dead transitions. [2024-11-20 17:30:31,464 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 63 places, 98 transitions, 609 flow [2024-11-20 17:30:31,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-20 17:30:31,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2024-11-20 17:30:31,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 282 transitions. [2024-11-20 17:30:31,468 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6130434782608696 [2024-11-20 17:30:31,468 INFO L175 Difference]: Start difference. First operand has 61 places, 40 transitions, 153 flow. Second operand 10 states and 282 transitions. [2024-11-20 17:30:31,468 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 63 places, 98 transitions, 609 flow [2024-11-20 17:30:31,478 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 59 places, 98 transitions, 535 flow, removed 16 selfloop flow, removed 4 redundant places. [2024-11-20 17:30:31,479 INFO L231 Difference]: Finished difference. Result has 68 places, 42 transitions, 187 flow [2024-11-20 17:30:31,480 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=46, PETRI_DIFFERENCE_MINUEND_FLOW=133, PETRI_DIFFERENCE_MINUEND_PLACES=50, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=40, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=34, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=187, PETRI_PLACES=68, PETRI_TRANSITIONS=42} [2024-11-20 17:30:31,481 INFO L277 CegarLoopForPetriNet]: 50 programPoint places, 18 predicate places. [2024-11-20 17:30:31,481 INFO L471 AbstractCegarLoop]: Abstraction has has 68 places, 42 transitions, 187 flow [2024-11-20 17:30:31,482 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 23.0) internal successors, (138), 6 states have internal predecessors, (138), 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) [2024-11-20 17:30:31,482 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 17:30:31,482 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] [2024-11-20 17:30:31,482 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-20 17:30:31,483 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-20 17:30:31,484 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 17:30:31,484 INFO L85 PathProgramCache]: Analyzing trace with hash -583155296, now seen corresponding path program 1 times [2024-11-20 17:30:31,484 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 17:30:31,484 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [936028677] [2024-11-20 17:30:31,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 17:30:31,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 17:30:31,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 17:30:31,650 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 17:30:31,651 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 17:30:31,655 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [936028677] [2024-11-20 17:30:31,655 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [936028677] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 17:30:31,655 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 17:30:31,656 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 17:30:31,656 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1024274735] [2024-11-20 17:30:31,656 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 17:30:31,656 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 17:30:31,656 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 17:30:31,657 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 17:30:31,657 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 17:30:31,680 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 24 out of 46 [2024-11-20 17:30:31,681 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 68 places, 42 transitions, 187 flow. Second operand has 4 states, 4 states have (on average 26.75) internal successors, (107), 4 states have internal predecessors, (107), 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) [2024-11-20 17:30:31,681 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 17:30:31,681 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 24 of 46 [2024-11-20 17:30:31,681 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 17:30:32,009 INFO L124 PetriNetUnfolderBase]: 974/1934 cut-off events. [2024-11-20 17:30:32,010 INFO L125 PetriNetUnfolderBase]: For 1930/1960 co-relation queries the response was YES. [2024-11-20 17:30:32,021 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4535 conditions, 1934 events. 974/1934 cut-off events. For 1930/1960 co-relation queries the response was YES. Maximal size of possible extension queue 148. Compared 12839 event pairs, 250 based on Foata normal form. 103/1906 useless extension candidates. Maximal degree in co-relation 4513. Up to 881 conditions per place. [2024-11-20 17:30:32,036 INFO L140 encePairwiseOnDemand]: 40/46 looper letters, 27 selfloop transitions, 5 changer transitions 0/57 dead transitions. [2024-11-20 17:30:32,036 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 65 places, 57 transitions, 285 flow [2024-11-20 17:30:32,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 17:30:32,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-20 17:30:32,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 130 transitions. [2024-11-20 17:30:32,038 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7065217391304348 [2024-11-20 17:30:32,038 INFO L175 Difference]: Start difference. First operand has 68 places, 42 transitions, 187 flow. Second operand 4 states and 130 transitions. [2024-11-20 17:30:32,038 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 65 places, 57 transitions, 285 flow [2024-11-20 17:30:32,046 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 60 places, 57 transitions, 266 flow, removed 8 selfloop flow, removed 5 redundant places. [2024-11-20 17:30:32,047 INFO L231 Difference]: Finished difference. Result has 62 places, 46 transitions, 206 flow [2024-11-20 17:30:32,047 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=46, PETRI_DIFFERENCE_MINUEND_FLOW=168, PETRI_DIFFERENCE_MINUEND_PLACES=57, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=42, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=37, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=206, PETRI_PLACES=62, PETRI_TRANSITIONS=46} [2024-11-20 17:30:32,048 INFO L277 CegarLoopForPetriNet]: 50 programPoint places, 12 predicate places. [2024-11-20 17:30:32,048 INFO L471 AbstractCegarLoop]: Abstraction has has 62 places, 46 transitions, 206 flow [2024-11-20 17:30:32,049 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 26.75) internal successors, (107), 4 states have internal predecessors, (107), 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) [2024-11-20 17:30:32,049 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 17:30:32,049 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] [2024-11-20 17:30:32,049 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-20 17:30:32,049 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-20 17:30:32,051 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 17:30:32,051 INFO L85 PathProgramCache]: Analyzing trace with hash 2008927999, now seen corresponding path program 1 times [2024-11-20 17:30:32,051 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 17:30:32,051 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1235154354] [2024-11-20 17:30:32,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 17:30:32,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 17:30:32,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 17:30:32,126 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 17:30:32,126 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 17:30:32,126 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1235154354] [2024-11-20 17:30:32,126 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1235154354] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 17:30:32,126 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 17:30:32,127 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-20 17:30:32,127 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [623017938] [2024-11-20 17:30:32,127 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 17:30:32,127 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-20 17:30:32,127 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 17:30:32,128 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-20 17:30:32,128 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-20 17:30:32,132 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 24 out of 46 [2024-11-20 17:30:32,132 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 62 places, 46 transitions, 206 flow. Second operand has 5 states, 5 states have (on average 26.4) internal successors, (132), 5 states have internal predecessors, (132), 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) [2024-11-20 17:30:32,132 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 17:30:32,132 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 24 of 46 [2024-11-20 17:30:32,133 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 17:30:32,277 INFO L124 PetriNetUnfolderBase]: 807/1642 cut-off events. [2024-11-20 17:30:32,277 INFO L125 PetriNetUnfolderBase]: For 849/1464 co-relation queries the response was YES. [2024-11-20 17:30:32,281 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4194 conditions, 1642 events. 807/1642 cut-off events. For 849/1464 co-relation queries the response was YES. Maximal size of possible extension queue 120. Compared 10446 event pairs, 69 based on Foata normal form. 113/1651 useless extension candidates. Maximal degree in co-relation 4173. Up to 652 conditions per place. [2024-11-20 17:30:32,285 INFO L140 encePairwiseOnDemand]: 40/46 looper letters, 34 selfloop transitions, 8 changer transitions 0/67 dead transitions. [2024-11-20 17:30:32,285 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 66 places, 67 transitions, 353 flow [2024-11-20 17:30:32,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-20 17:30:32,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-20 17:30:32,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 164 transitions. [2024-11-20 17:30:32,286 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7130434782608696 [2024-11-20 17:30:32,286 INFO L175 Difference]: Start difference. First operand has 62 places, 46 transitions, 206 flow. Second operand 5 states and 164 transitions. [2024-11-20 17:30:32,287 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 66 places, 67 transitions, 353 flow [2024-11-20 17:30:32,288 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 61 places, 67 transitions, 334 flow, removed 8 selfloop flow, removed 5 redundant places. [2024-11-20 17:30:32,289 INFO L231 Difference]: Finished difference. Result has 63 places, 50 transitions, 242 flow [2024-11-20 17:30:32,289 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=46, PETRI_DIFFERENCE_MINUEND_FLOW=188, PETRI_DIFFERENCE_MINUEND_PLACES=57, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=46, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=38, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=242, PETRI_PLACES=63, PETRI_TRANSITIONS=50} [2024-11-20 17:30:32,290 INFO L277 CegarLoopForPetriNet]: 50 programPoint places, 13 predicate places. [2024-11-20 17:30:32,290 INFO L471 AbstractCegarLoop]: Abstraction has has 63 places, 50 transitions, 242 flow [2024-11-20 17:30:32,290 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 26.4) internal successors, (132), 5 states have internal predecessors, (132), 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) [2024-11-20 17:30:32,290 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 17:30:32,290 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] [2024-11-20 17:30:32,290 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-20 17:30:32,290 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-20 17:30:32,291 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 17:30:32,291 INFO L85 PathProgramCache]: Analyzing trace with hash 1477557023, now seen corresponding path program 1 times [2024-11-20 17:30:32,291 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 17:30:32,291 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1927522463] [2024-11-20 17:30:32,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 17:30:32,292 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 17:30:32,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 17:30:32,385 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 17:30:32,386 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 17:30:32,386 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1927522463] [2024-11-20 17:30:32,386 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1927522463] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 17:30:32,386 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 17:30:32,386 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-20 17:30:32,386 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1303255779] [2024-11-20 17:30:32,386 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 17:30:32,387 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-20 17:30:32,387 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 17:30:32,387 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-20 17:30:32,387 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-20 17:30:32,396 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 21 out of 46 [2024-11-20 17:30:32,396 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 63 places, 50 transitions, 242 flow. Second operand has 6 states, 6 states have (on average 23.5) internal successors, (141), 6 states have internal predecessors, (141), 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) [2024-11-20 17:30:32,396 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 17:30:32,396 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 21 of 46 [2024-11-20 17:30:32,397 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 17:30:32,628 INFO L124 PetriNetUnfolderBase]: 1318/2866 cut-off events. [2024-11-20 17:30:32,629 INFO L125 PetriNetUnfolderBase]: For 3639/4000 co-relation queries the response was YES. [2024-11-20 17:30:32,635 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8179 conditions, 2866 events. 1318/2866 cut-off events. For 3639/4000 co-relation queries the response was YES. Maximal size of possible extension queue 217. Compared 22649 event pairs, 381 based on Foata normal form. 72/2674 useless extension candidates. Maximal degree in co-relation 8159. Up to 652 conditions per place. [2024-11-20 17:30:32,640 INFO L140 encePairwiseOnDemand]: 37/46 looper letters, 29 selfloop transitions, 8 changer transitions 19/81 dead transitions. [2024-11-20 17:30:32,640 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 68 places, 81 transitions, 481 flow [2024-11-20 17:30:32,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-20 17:30:32,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-20 17:30:32,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 180 transitions. [2024-11-20 17:30:32,641 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6521739130434783 [2024-11-20 17:30:32,641 INFO L175 Difference]: Start difference. First operand has 63 places, 50 transitions, 242 flow. Second operand 6 states and 180 transitions. [2024-11-20 17:30:32,641 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 68 places, 81 transitions, 481 flow [2024-11-20 17:30:32,646 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 66 places, 81 transitions, 469 flow, removed 3 selfloop flow, removed 2 redundant places. [2024-11-20 17:30:32,647 INFO L231 Difference]: Finished difference. Result has 69 places, 49 transitions, 251 flow [2024-11-20 17:30:32,647 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=46, PETRI_DIFFERENCE_MINUEND_FLOW=230, PETRI_DIFFERENCE_MINUEND_PLACES=61, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=50, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=42, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=251, PETRI_PLACES=69, PETRI_TRANSITIONS=49} [2024-11-20 17:30:32,648 INFO L277 CegarLoopForPetriNet]: 50 programPoint places, 19 predicate places. [2024-11-20 17:30:32,648 INFO L471 AbstractCegarLoop]: Abstraction has has 69 places, 49 transitions, 251 flow [2024-11-20 17:30:32,648 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 23.5) internal successors, (141), 6 states have internal predecessors, (141), 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) [2024-11-20 17:30:32,648 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 17:30:32,648 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] [2024-11-20 17:30:32,648 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-20 17:30:32,649 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-20 17:30:32,649 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 17:30:32,649 INFO L85 PathProgramCache]: Analyzing trace with hash 363695463, now seen corresponding path program 2 times [2024-11-20 17:30:32,649 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 17:30:32,649 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [602124980] [2024-11-20 17:30:32,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 17:30:32,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 17:30:32,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 17:30:32,723 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 17:30:32,723 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 17:30:32,723 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [602124980] [2024-11-20 17:30:32,724 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [602124980] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 17:30:32,724 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 17:30:32,724 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-20 17:30:32,724 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1541547968] [2024-11-20 17:30:32,724 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 17:30:32,724 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-20 17:30:32,725 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 17:30:32,725 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-20 17:30:32,725 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-20 17:30:32,729 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 24 out of 46 [2024-11-20 17:30:32,729 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 69 places, 49 transitions, 251 flow. Second operand has 6 states, 6 states have (on average 26.166666666666668) internal successors, (157), 6 states have internal predecessors, (157), 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) [2024-11-20 17:30:32,729 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 17:30:32,729 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 24 of 46 [2024-11-20 17:30:32,729 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 17:30:32,854 INFO L124 PetriNetUnfolderBase]: 541/1068 cut-off events. [2024-11-20 17:30:32,855 INFO L125 PetriNetUnfolderBase]: For 1362/1947 co-relation queries the response was YES. [2024-11-20 17:30:32,857 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3131 conditions, 1068 events. 541/1068 cut-off events. For 1362/1947 co-relation queries the response was YES. Maximal size of possible extension queue 102. Compared 6038 event pairs, 37 based on Foata normal form. 88/1084 useless extension candidates. Maximal degree in co-relation 3108. Up to 440 conditions per place. [2024-11-20 17:30:32,859 INFO L140 encePairwiseOnDemand]: 40/46 looper letters, 29 selfloop transitions, 11 changer transitions 0/64 dead transitions. [2024-11-20 17:30:32,860 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 72 places, 64 transitions, 367 flow [2024-11-20 17:30:32,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-20 17:30:32,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-20 17:30:32,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 186 transitions. [2024-11-20 17:30:32,861 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6739130434782609 [2024-11-20 17:30:32,861 INFO L175 Difference]: Start difference. First operand has 69 places, 49 transitions, 251 flow. Second operand 6 states and 186 transitions. [2024-11-20 17:30:32,861 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 72 places, 64 transitions, 367 flow [2024-11-20 17:30:32,862 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 65 places, 64 transitions, 338 flow, removed 8 selfloop flow, removed 7 redundant places. [2024-11-20 17:30:32,863 INFO L231 Difference]: Finished difference. Result has 67 places, 50 transitions, 266 flow [2024-11-20 17:30:32,863 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=46, PETRI_DIFFERENCE_MINUEND_FLOW=222, PETRI_DIFFERENCE_MINUEND_PLACES=60, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=49, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=38, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=266, PETRI_PLACES=67, PETRI_TRANSITIONS=50} [2024-11-20 17:30:32,864 INFO L277 CegarLoopForPetriNet]: 50 programPoint places, 17 predicate places. [2024-11-20 17:30:32,864 INFO L471 AbstractCegarLoop]: Abstraction has has 67 places, 50 transitions, 266 flow [2024-11-20 17:30:32,864 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 26.166666666666668) internal successors, (157), 6 states have internal predecessors, (157), 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) [2024-11-20 17:30:32,864 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 17:30:32,864 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] [2024-11-20 17:30:32,864 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-20 17:30:32,865 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-20 17:30:32,865 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 17:30:32,865 INFO L85 PathProgramCache]: Analyzing trace with hash 767909392, now seen corresponding path program 1 times [2024-11-20 17:30:32,865 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 17:30:32,865 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1628912265] [2024-11-20 17:30:32,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 17:30:32,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 17:30:32,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 17:30:32,964 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 17:30:32,965 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 17:30:32,965 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1628912265] [2024-11-20 17:30:32,965 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1628912265] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 17:30:32,965 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 17:30:32,965 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-20 17:30:32,965 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [579936670] [2024-11-20 17:30:32,966 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 17:30:32,966 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-20 17:30:32,966 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 17:30:32,966 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-20 17:30:32,966 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-20 17:30:32,976 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 20 out of 46 [2024-11-20 17:30:32,976 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 67 places, 50 transitions, 266 flow. Second operand has 6 states, 6 states have (on average 22.833333333333332) internal successors, (137), 6 states have internal predecessors, (137), 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) [2024-11-20 17:30:32,976 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 17:30:32,976 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 20 of 46 [2024-11-20 17:30:32,977 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 17:30:33,162 INFO L124 PetriNetUnfolderBase]: 610/1307 cut-off events. [2024-11-20 17:30:33,162 INFO L125 PetriNetUnfolderBase]: For 2608/2784 co-relation queries the response was YES. [2024-11-20 17:30:33,166 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3859 conditions, 1307 events. 610/1307 cut-off events. For 2608/2784 co-relation queries the response was YES. Maximal size of possible extension queue 128. Compared 8754 event pairs, 158 based on Foata normal form. 25/1198 useless extension candidates. Maximal degree in co-relation 3839. Up to 646 conditions per place. [2024-11-20 17:30:33,167 INFO L140 encePairwiseOnDemand]: 37/46 looper letters, 0 selfloop transitions, 0 changer transitions 76/76 dead transitions. [2024-11-20 17:30:33,167 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 70 places, 76 transitions, 477 flow [2024-11-20 17:30:33,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-20 17:30:33,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2024-11-20 17:30:33,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 188 transitions. [2024-11-20 17:30:33,169 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5838509316770186 [2024-11-20 17:30:33,169 INFO L175 Difference]: Start difference. First operand has 67 places, 50 transitions, 266 flow. Second operand 7 states and 188 transitions. [2024-11-20 17:30:33,169 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 70 places, 76 transitions, 477 flow [2024-11-20 17:30:33,174 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 67 places, 76 transitions, 453 flow, removed 6 selfloop flow, removed 3 redundant places. [2024-11-20 17:30:33,174 INFO L231 Difference]: Finished difference. Result has 67 places, 0 transitions, 0 flow [2024-11-20 17:30:33,174 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=46, PETRI_DIFFERENCE_MINUEND_FLOW=236, PETRI_DIFFERENCE_MINUEND_PLACES=61, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=47, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=47, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=0, PETRI_PLACES=67, PETRI_TRANSITIONS=0} [2024-11-20 17:30:33,177 INFO L277 CegarLoopForPetriNet]: 50 programPoint places, 17 predicate places. [2024-11-20 17:30:33,177 INFO L471 AbstractCegarLoop]: Abstraction has has 67 places, 0 transitions, 0 flow [2024-11-20 17:30:33,177 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 22.833333333333332) internal successors, (137), 6 states have internal predecessors, (137), 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) [2024-11-20 17:30:33,179 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (4 of 5 remaining) [2024-11-20 17:30:33,182 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (3 of 5 remaining) [2024-11-20 17:30:33,182 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 5 remaining) [2024-11-20 17:30:33,183 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 5 remaining) [2024-11-20 17:30:33,183 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 5 remaining) [2024-11-20 17:30:33,183 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-20 17:30:33,183 INFO L407 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1] [2024-11-20 17:30:33,186 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-20 17:30:33,186 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-20 17:30:33,192 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 05:30:33 BasicIcfg [2024-11-20 17:30:33,193 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-20 17:30:33,193 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-20 17:30:33,193 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-20 17:30:33,193 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-20 17:30:33,193 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:30:29" (3/4) ... [2024-11-20 17:30:33,198 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-20 17:30:33,200 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2024-11-20 17:30:33,201 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2024-11-20 17:30:33,201 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2024-11-20 17:30:33,205 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 37 nodes and edges [2024-11-20 17:30:33,205 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2024-11-20 17:30:33,206 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-20 17:30:33,206 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-20 17:30:33,268 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-20 17:30:33,268 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-20 17:30:33,269 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-20 17:30:33,269 INFO L158 Benchmark]: Toolchain (without parser) took 4782.15ms. Allocated memory was 157.3MB in the beginning and 243.3MB in the end (delta: 86.0MB). Free memory was 87.9MB in the beginning and 179.1MB in the end (delta: -91.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-20 17:30:33,269 INFO L158 Benchmark]: CDTParser took 4.12ms. Allocated memory is still 104.9MB. Free memory is still 80.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-20 17:30:33,270 INFO L158 Benchmark]: CACSL2BoogieTranslator took 564.31ms. Allocated memory is still 157.3MB. Free memory was 87.7MB in the beginning and 119.4MB in the end (delta: -31.8MB). Peak memory consumption was 19.7MB. Max. memory is 16.1GB. [2024-11-20 17:30:33,270 INFO L158 Benchmark]: Boogie Procedure Inliner took 72.44ms. Allocated memory is still 157.3MB. Free memory was 119.4MB in the beginning and 117.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-20 17:30:33,270 INFO L158 Benchmark]: Boogie Preprocessor took 85.87ms. Allocated memory is still 157.3MB. Free memory was 117.3MB in the beginning and 115.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-20 17:30:33,270 INFO L158 Benchmark]: RCFGBuilder took 472.29ms. Allocated memory is still 157.3MB. Free memory was 115.2MB in the beginning and 94.9MB in the end (delta: 20.3MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-11-20 17:30:33,271 INFO L158 Benchmark]: TraceAbstraction took 3506.42ms. Allocated memory was 157.3MB in the beginning and 243.3MB in the end (delta: 86.0MB). Free memory was 94.3MB in the beginning and 184.4MB in the end (delta: -90.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-20 17:30:33,271 INFO L158 Benchmark]: Witness Printer took 75.70ms. Allocated memory is still 243.3MB. Free memory was 183.3MB in the beginning and 179.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-20 17:30:33,272 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 4.12ms. Allocated memory is still 104.9MB. Free memory is still 80.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 564.31ms. Allocated memory is still 157.3MB. Free memory was 87.7MB in the beginning and 119.4MB in the end (delta: -31.8MB). Peak memory consumption was 19.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 72.44ms. Allocated memory is still 157.3MB. Free memory was 119.4MB in the beginning and 117.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 85.87ms. Allocated memory is still 157.3MB. Free memory was 117.3MB in the beginning and 115.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 472.29ms. Allocated memory is still 157.3MB. Free memory was 115.2MB in the beginning and 94.9MB in the end (delta: 20.3MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * TraceAbstraction took 3506.42ms. Allocated memory was 157.3MB in the beginning and 243.3MB in the end (delta: 86.0MB). Free memory was 94.3MB in the beginning and 184.4MB in the end (delta: -90.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 75.70ms. Allocated memory is still 243.3MB. Free memory was 183.3MB in the beginning and 179.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 782]: 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 7 procedures, 72 locations, 5 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: 3.3s, OverallIterations: 8, TraceHistogramMax: 1, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 1.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 297 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 272 mSDsluCounter, 143 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 106 mSDsCounter, 34 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 631 IncrementalHoareTripleChecker+Invalid, 665 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 34 mSolverCounterUnsat, 37 mSDtfsCounter, 631 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 55 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=266occurred in iteration=7, InterpolantAutomatonStates: 50, 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, 1.0s InterpolantComputationTime, 178 NumberOfCodeBlocks, 178 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 170 ConstructedInterpolants, 0 QuantifiedInterpolants, 896 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! [2024-11-20 17:30:33,290 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/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