./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_power.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 61a67961 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_power.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 6415bffc70cf05f8f6460106962f2f9c59b321fd2fc94a45894cc3c1f3d85b66 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.fs.cvc5-61a6796-m [2024-10-14 19:38:39,520 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-14 19:38:39,593 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2024-10-14 19:38:39,602 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-14 19:38:39,602 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-14 19:38:39,638 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-14 19:38:39,638 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-14 19:38:39,639 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-14 19:38:39,641 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-14 19:38:39,642 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-14 19:38:39,642 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-14 19:38:39,643 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-14 19:38:39,643 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-14 19:38:39,645 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-14 19:38:39,646 INFO L153 SettingsManager]: * Use SBE=true [2024-10-14 19:38:39,646 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-14 19:38:39,646 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-14 19:38:39,647 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-14 19:38:39,647 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-14 19:38:39,647 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-14 19:38:39,647 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-10-14 19:38:39,651 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-10-14 19:38:39,651 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-10-14 19:38:39,651 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-14 19:38:39,652 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-10-14 19:38:39,652 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-14 19:38:39,652 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-14 19:38:39,652 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-14 19:38:39,653 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-14 19:38:39,653 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-14 19:38:39,653 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-14 19:38:39,653 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-14 19:38:39,654 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-14 19:38:39,654 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 19:38:39,655 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-14 19:38:39,656 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-14 19:38:39,656 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-14 19:38:39,657 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-14 19:38:39,657 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-14 19:38:39,657 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-14 19:38:39,657 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-14 19:38:39,658 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-14 19:38:39,658 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6415bffc70cf05f8f6460106962f2f9c59b321fd2fc94a45894cc3c1f3d85b66 [2024-10-14 19:38:39,931 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-14 19:38:39,956 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-14 19:38:39,958 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-14 19:38:39,960 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-14 19:38:39,961 INFO L274 PluginConnector]: CDTParser initialized [2024-10-14 19:38:39,962 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/safe035_power.i [2024-10-14 19:38:41,485 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-14 19:38:41,506 ERROR L? ?]: Error during toolchain job processing: java.lang.NullPointerException at org.eclipse.cdt.internal.core.model.PathEntry.kindFromString(PathEntry.java:80) at org.eclipse.cdt.internal.core.model.DefaultPathEntryStore.decodePathEntry(DefaultPathEntryStore.java:127) at org.eclipse.cdt.internal.core.model.DefaultPathEntryStore.getRawPathEntries(DefaultPathEntryStore.java:97) at org.eclipse.cdt.internal.core.model.PathEntryStoreProxy.getRawPathEntries(PathEntryStoreProxy.java:102) at org.eclipse.cdt.internal.core.model.PathEntryManager.getRawPathEntries(PathEntryManager.java:666) at org.eclipse.cdt.core.model.CoreModel.getRawPathEntries(CoreModel.java:937) at org.eclipse.cdt.core.model.CoreModel.oldIsScannerInformationEmpty(CoreModel.java:1307) at org.eclipse.cdt.core.model.CoreModel.isScannerInformationEmpty(CoreModel.java:1252) at org.eclipse.cdt.internal.core.pdom.indexer.ProjectIndexerInputAdapter.isFileBuildConfigured(ProjectIndexerInputAdapter.java:267) at org.eclipse.cdt.internal.core.pdom.AbstractIndexerTask.isRequiredInIndex(AbstractIndexerTask.java:748) at org.eclipse.cdt.internal.core.pdom.AbstractIndexerTask.extractFiles(AbstractIndexerTask.java:667) at org.eclipse.cdt.internal.core.pdom.AbstractIndexerTask.runTask(AbstractIndexerTask.java:558) at org.eclipse.cdt.internal.core.pdom.indexer.PDOMIndexerTask.run(PDOMIndexerTask.java:164) at org.eclipse.cdt.internal.core.pdom.PDOMIndexerJob.run(PDOMIndexerJob.java:160) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-10-14 19:38:41,744 INFO L384 CDTParser]: Found 1 translation units. [2024-10-14 19:38:41,746 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/safe035_power.i [2024-10-14 19:38:41,761 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fae5632bf/db92511e06ab4e70a41f44621015e5b5/FLAG29877ee16 [2024-10-14 19:38:42,065 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fae5632bf/db92511e06ab4e70a41f44621015e5b5 [2024-10-14 19:38:42,068 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-14 19:38:42,069 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-14 19:38:42,069 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-14 19:38:42,070 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-14 19:38:42,073 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-14 19:38:42,074 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 07:38:42" (1/1) ... [2024-10-14 19:38:42,075 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f2ae1f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:38:42, skipping insertion in model container [2024-10-14 19:38:42,075 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 07:38:42" (1/1) ... [2024-10-14 19:38:42,147 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-14 19:38:42,544 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 19:38:42,559 INFO L200 MainTranslator]: Completed pre-run [2024-10-14 19:38:42,622 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 19:38:42,669 INFO L204 MainTranslator]: Completed translation [2024-10-14 19:38:42,669 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:38:42 WrapperNode [2024-10-14 19:38:42,670 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-14 19:38:42,671 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-14 19:38:42,671 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-14 19:38:42,671 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-14 19:38:42,679 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:38:42" (1/1) ... [2024-10-14 19:38:42,708 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:38:42" (1/1) ... [2024-10-14 19:38:42,745 INFO L138 Inliner]: procedures = 175, calls = 49, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 169 [2024-10-14 19:38:42,745 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-14 19:38:42,746 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-14 19:38:42,746 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-14 19:38:42,746 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-14 19:38:42,761 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:38:42" (1/1) ... [2024-10-14 19:38:42,761 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:38:42" (1/1) ... [2024-10-14 19:38:42,770 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:38:42" (1/1) ... [2024-10-14 19:38:42,799 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]. [2024-10-14 19:38:42,801 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:38:42" (1/1) ... [2024-10-14 19:38:42,802 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:38:42" (1/1) ... [2024-10-14 19:38:42,816 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:38:42" (1/1) ... [2024-10-14 19:38:42,822 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:38:42" (1/1) ... [2024-10-14 19:38:42,824 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:38:42" (1/1) ... [2024-10-14 19:38:42,830 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:38:42" (1/1) ... [2024-10-14 19:38:42,836 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-14 19:38:42,838 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-14 19:38:42,838 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-14 19:38:42,838 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-14 19:38:42,839 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:38:42" (1/1) ... [2024-10-14 19:38:42,844 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 19:38:42,857 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 19:38:42,874 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) [2024-10-14 19:38:42,877 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 [2024-10-14 19:38:42,921 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-10-14 19:38:42,922 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-14 19:38:42,922 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-10-14 19:38:42,923 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-10-14 19:38:42,923 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-10-14 19:38:42,923 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-10-14 19:38:42,923 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-10-14 19:38:42,923 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-10-14 19:38:42,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-14 19:38:42,925 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-10-14 19:38:42,925 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-14 19:38:42,925 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-14 19:38:42,926 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-14 19:38:43,059 INFO L238 CfgBuilder]: Building ICFG [2024-10-14 19:38:43,061 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-14 19:38:43,449 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-14 19:38:43,449 INFO L287 CfgBuilder]: Performing block encoding [2024-10-14 19:38:43,786 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-14 19:38:43,786 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-14 19:38:43,787 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 07:38:43 BoogieIcfgContainer [2024-10-14 19:38:43,788 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-14 19:38:43,790 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-14 19:38:43,790 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-14 19:38:43,793 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-14 19:38:43,794 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 07:38:42" (1/3) ... [2024-10-14 19:38:43,794 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1adf31e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 07:38:43, skipping insertion in model container [2024-10-14 19:38:43,794 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:38:42" (2/3) ... [2024-10-14 19:38:43,795 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1adf31e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 07:38:43, skipping insertion in model container [2024-10-14 19:38:43,796 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 07:38:43" (3/3) ... [2024-10-14 19:38:43,797 INFO L112 eAbstractionObserver]: Analyzing ICFG safe035_power.i [2024-10-14 19:38:43,818 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-14 19:38:43,819 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2024-10-14 19:38:43,819 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-14 19:38:43,879 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-10-14 19:38:43,915 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 55 places, 47 transitions, 106 flow [2024-10-14 19:38:43,957 INFO L124 PetriNetUnfolderBase]: 2/44 cut-off events. [2024-10-14 19:38:43,957 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-14 19:38:43,960 INFO L83 FinitePrefix]: Finished finitePrefix Result has 54 conditions, 44 events. 2/44 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 92 event pairs, 0 based on Foata normal form. 0/39 useless extension candidates. Maximal degree in co-relation 46. Up to 2 conditions per place. [2024-10-14 19:38:43,961 INFO L82 GeneralOperation]: Start removeDead. Operand has 55 places, 47 transitions, 106 flow [2024-10-14 19:38:43,965 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 52 places, 44 transitions, 97 flow [2024-10-14 19:38:43,979 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-14 19:38:43,987 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;@3ac3ea64, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-14 19:38:43,987 INFO L334 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2024-10-14 19:38:43,997 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-10-14 19:38:43,998 INFO L124 PetriNetUnfolderBase]: 0/18 cut-off events. [2024-10-14 19:38:43,998 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-14 19:38:43,998 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 19:38:43,999 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 19:38:43,999 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting P2Err0ASSERT_VIOLATIONMEMORY_LEAK === [P2Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-10-14 19:38:44,007 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 19:38:44,007 INFO L85 PathProgramCache]: Analyzing trace with hash 807765749, now seen corresponding path program 1 times [2024-10-14 19:38:44,017 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 19:38:44,017 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [595292145] [2024-10-14 19:38:44,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 19:38:44,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 19:38:44,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 19:38:44,634 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 19:38:44,635 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 19:38:44,636 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [595292145] [2024-10-14 19:38:44,636 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [595292145] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 19:38:44,637 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 19:38:44,637 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-10-14 19:38:44,639 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [21899492] [2024-10-14 19:38:44,639 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 19:38:44,647 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 19:38:44,653 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 19:38:44,678 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 19:38:44,679 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 19:38:44,681 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 17 out of 47 [2024-10-14 19:38:44,683 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 52 places, 44 transitions, 97 flow. Second operand has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 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) [2024-10-14 19:38:44,684 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 19:38:44,684 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 17 of 47 [2024-10-14 19:38:44,685 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 19:38:45,720 INFO L124 PetriNetUnfolderBase]: 2523/3960 cut-off events. [2024-10-14 19:38:45,720 INFO L125 PetriNetUnfolderBase]: For 12/12 co-relation queries the response was YES. [2024-10-14 19:38:45,731 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7667 conditions, 3960 events. 2523/3960 cut-off events. For 12/12 co-relation queries the response was YES. Maximal size of possible extension queue 215. Compared 25048 event pairs, 328 based on Foata normal form. 240/4184 useless extension candidates. Maximal degree in co-relation 7656. Up to 3096 conditions per place. [2024-10-14 19:38:45,750 INFO L140 encePairwiseOnDemand]: 42/47 looper letters, 37 selfloop transitions, 2 changer transitions 2/55 dead transitions. [2024-10-14 19:38:45,751 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 52 places, 55 transitions, 201 flow [2024-10-14 19:38:45,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 19:38:45,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-14 19:38:45,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 97 transitions. [2024-10-14 19:38:45,763 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6879432624113475 [2024-10-14 19:38:45,764 INFO L175 Difference]: Start difference. First operand has 52 places, 44 transitions, 97 flow. Second operand 3 states and 97 transitions. [2024-10-14 19:38:45,765 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 52 places, 55 transitions, 201 flow [2024-10-14 19:38:45,768 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 49 places, 55 transitions, 198 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-10-14 19:38:45,771 INFO L231 Difference]: Finished difference. Result has 49 places, 39 transitions, 88 flow [2024-10-14 19:38:45,773 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=47, PETRI_DIFFERENCE_MINUEND_FLOW=86, PETRI_DIFFERENCE_MINUEND_PLACES=47, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=40, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=38, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=88, PETRI_PLACES=49, PETRI_TRANSITIONS=39} [2024-10-14 19:38:45,779 INFO L277 CegarLoopForPetriNet]: 52 programPoint places, -3 predicate places. [2024-10-14 19:38:45,779 INFO L471 AbstractCegarLoop]: Abstraction has has 49 places, 39 transitions, 88 flow [2024-10-14 19:38:45,779 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 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) [2024-10-14 19:38:45,779 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 19:38:45,779 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 19:38:45,779 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-14 19:38:45,780 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [P2Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-10-14 19:38:45,780 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 19:38:45,780 INFO L85 PathProgramCache]: Analyzing trace with hash -1292564532, now seen corresponding path program 1 times [2024-10-14 19:38:45,780 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 19:38:45,781 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [449405655] [2024-10-14 19:38:45,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 19:38:45,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 19:38:45,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 19:38:45,897 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 19:38:45,897 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 19:38:45,897 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [449405655] [2024-10-14 19:38:45,898 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [449405655] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 19:38:45,898 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 19:38:45,898 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-10-14 19:38:45,898 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [529428620] [2024-10-14 19:38:45,898 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 19:38:45,899 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 19:38:45,899 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 19:38:45,900 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 19:38:45,900 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 19:38:45,908 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 47 [2024-10-14 19:38:45,908 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 49 places, 39 transitions, 88 flow. Second operand has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 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) [2024-10-14 19:38:45,908 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 19:38:45,908 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 47 [2024-10-14 19:38:45,909 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 19:38:46,675 INFO L124 PetriNetUnfolderBase]: 2237/3766 cut-off events. [2024-10-14 19:38:46,675 INFO L125 PetriNetUnfolderBase]: For 160/160 co-relation queries the response was YES. [2024-10-14 19:38:46,681 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7226 conditions, 3766 events. 2237/3766 cut-off events. For 160/160 co-relation queries the response was YES. Maximal size of possible extension queue 214. Compared 24897 event pairs, 2237 based on Foata normal form. 120/3830 useless extension candidates. Maximal degree in co-relation 7216. Up to 3246 conditions per place. [2024-10-14 19:38:46,695 INFO L140 encePairwiseOnDemand]: 45/47 looper letters, 23 selfloop transitions, 1 changer transitions 1/38 dead transitions. [2024-10-14 19:38:46,695 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 49 places, 38 transitions, 136 flow [2024-10-14 19:38:46,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 19:38:46,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-14 19:38:46,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 74 transitions. [2024-10-14 19:38:46,697 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.524822695035461 [2024-10-14 19:38:46,698 INFO L175 Difference]: Start difference. First operand has 49 places, 39 transitions, 88 flow. Second operand 3 states and 74 transitions. [2024-10-14 19:38:46,698 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 49 places, 38 transitions, 136 flow [2024-10-14 19:38:46,701 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 47 places, 38 transitions, 132 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-14 19:38:46,702 INFO L231 Difference]: Finished difference. Result has 47 places, 37 transitions, 82 flow [2024-10-14 19:38:46,704 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=47, 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} [2024-10-14 19:38:46,705 INFO L277 CegarLoopForPetriNet]: 52 programPoint places, -5 predicate places. [2024-10-14 19:38:46,705 INFO L471 AbstractCegarLoop]: Abstraction has has 47 places, 37 transitions, 82 flow [2024-10-14 19:38:46,706 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 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) [2024-10-14 19:38:46,706 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 19:38:46,706 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 19:38:46,706 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-14 19:38:46,706 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P2Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-10-14 19:38:46,706 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 19:38:46,707 INFO L85 PathProgramCache]: Analyzing trace with hash -1292563015, now seen corresponding path program 1 times [2024-10-14 19:38:46,707 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 19:38:46,707 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [410020787] [2024-10-14 19:38:46,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 19:38:46,707 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 19:38:46,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 19:38:47,036 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 19:38:47,037 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 19:38:47,037 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [410020787] [2024-10-14 19:38:47,037 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [410020787] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 19:38:47,037 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 19:38:47,037 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-14 19:38:47,038 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1549739152] [2024-10-14 19:38:47,038 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 19:38:47,038 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 19:38:47,038 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 19:38:47,039 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 19:38:47,039 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-14 19:38:47,040 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 47 [2024-10-14 19:38:47,041 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 47 places, 37 transitions, 82 flow. Second operand has 5 states, 5 states have (on average 18.4) internal successors, (92), 5 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) [2024-10-14 19:38:47,041 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 19:38:47,041 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 47 [2024-10-14 19:38:47,041 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 19:38:48,021 INFO L124 PetriNetUnfolderBase]: 2423/3892 cut-off events. [2024-10-14 19:38:48,021 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-14 19:38:48,029 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7498 conditions, 3892 events. 2423/3892 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 222. Compared 24907 event pairs, 661 based on Foata normal form. 0/3808 useless extension candidates. Maximal degree in co-relation 7492. Up to 1372 conditions per place. [2024-10-14 19:38:48,041 INFO L140 encePairwiseOnDemand]: 41/47 looper letters, 32 selfloop transitions, 2 changer transitions 53/99 dead transitions. [2024-10-14 19:38:48,042 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 53 places, 99 transitions, 380 flow [2024-10-14 19:38:48,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-14 19:38:48,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-10-14 19:38:48,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 217 transitions. [2024-10-14 19:38:48,044 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5771276595744681 [2024-10-14 19:38:48,045 INFO L175 Difference]: Start difference. First operand has 47 places, 37 transitions, 82 flow. Second operand 8 states and 217 transitions. [2024-10-14 19:38:48,045 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 53 places, 99 transitions, 380 flow [2024-10-14 19:38:48,046 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 52 places, 99 transitions, 379 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-14 19:38:48,048 INFO L231 Difference]: Finished difference. Result has 57 places, 36 transitions, 95 flow [2024-10-14 19:38:48,049 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=47, 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=35, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=95, PETRI_PLACES=57, PETRI_TRANSITIONS=36} [2024-10-14 19:38:48,050 INFO L277 CegarLoopForPetriNet]: 52 programPoint places, 5 predicate places. [2024-10-14 19:38:48,050 INFO L471 AbstractCegarLoop]: Abstraction has has 57 places, 36 transitions, 95 flow [2024-10-14 19:38:48,050 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.4) internal successors, (92), 5 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) [2024-10-14 19:38:48,051 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 19:38:48,051 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 19:38:48,051 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-14 19:38:48,051 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P2Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-10-14 19:38:48,052 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 19:38:48,052 INFO L85 PathProgramCache]: Analyzing trace with hash -1422718442, now seen corresponding path program 1 times [2024-10-14 19:38:48,052 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 19:38:48,052 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [848530465] [2024-10-14 19:38:48,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 19:38:48,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 19:38:48,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 19:38:49,388 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 19:38:49,389 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 19:38:49,389 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [848530465] [2024-10-14 19:38:49,389 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [848530465] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 19:38:49,390 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 19:38:49,390 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-14 19:38:49,391 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [469869314] [2024-10-14 19:38:49,391 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 19:38:49,391 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-14 19:38:49,391 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 19:38:49,392 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-14 19:38:49,392 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-10-14 19:38:49,398 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 15 out of 47 [2024-10-14 19:38:49,399 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 57 places, 36 transitions, 95 flow. Second operand has 9 states, 9 states have (on average 16.666666666666668) internal successors, (150), 9 states have internal predecessors, (150), 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) [2024-10-14 19:38:49,399 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 19:38:49,399 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 15 of 47 [2024-10-14 19:38:49,399 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 19:38:50,613 INFO L124 PetriNetUnfolderBase]: 2862/4608 cut-off events. [2024-10-14 19:38:50,614 INFO L125 PetriNetUnfolderBase]: For 546/546 co-relation queries the response was YES. [2024-10-14 19:38:50,624 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9805 conditions, 4608 events. 2862/4608 cut-off events. For 546/546 co-relation queries the response was YES. Maximal size of possible extension queue 228. Compared 28473 event pairs, 299 based on Foata normal form. 75/4665 useless extension candidates. Maximal degree in co-relation 9793. Up to 2719 conditions per place. [2024-10-14 19:38:50,646 INFO L140 encePairwiseOnDemand]: 32/47 looper letters, 49 selfloop transitions, 23 changer transitions 22/105 dead transitions. [2024-10-14 19:38:50,647 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 58 places, 105 transitions, 430 flow [2024-10-14 19:38:50,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-14 19:38:50,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-10-14 19:38:50,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 215 transitions. [2024-10-14 19:38:50,649 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5718085106382979 [2024-10-14 19:38:50,649 INFO L175 Difference]: Start difference. First operand has 57 places, 36 transitions, 95 flow. Second operand 8 states and 215 transitions. [2024-10-14 19:38:50,649 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 58 places, 105 transitions, 430 flow [2024-10-14 19:38:50,686 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 52 places, 105 transitions, 412 flow, removed 6 selfloop flow, removed 6 redundant places. [2024-10-14 19:38:50,688 INFO L231 Difference]: Finished difference. Result has 57 places, 62 transitions, 244 flow [2024-10-14 19:38:50,689 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=47, PETRI_DIFFERENCE_MINUEND_FLOW=83, PETRI_DIFFERENCE_MINUEND_PLACES=45, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=36, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=24, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=244, PETRI_PLACES=57, PETRI_TRANSITIONS=62} [2024-10-14 19:38:50,689 INFO L277 CegarLoopForPetriNet]: 52 programPoint places, 5 predicate places. [2024-10-14 19:38:50,690 INFO L471 AbstractCegarLoop]: Abstraction has has 57 places, 62 transitions, 244 flow [2024-10-14 19:38:50,690 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 16.666666666666668) internal successors, (150), 9 states have internal predecessors, (150), 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) [2024-10-14 19:38:50,690 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 19:38:50,690 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 19:38:50,691 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-14 19:38:50,691 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P2Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-10-14 19:38:50,691 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 19:38:50,692 INFO L85 PathProgramCache]: Analyzing trace with hash -493432102, now seen corresponding path program 2 times [2024-10-14 19:38:50,692 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 19:38:50,692 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1332627301] [2024-10-14 19:38:50,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 19:38:50,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 19:38:50,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 19:38:52,752 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 19:38:52,753 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 19:38:52,753 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1332627301] [2024-10-14 19:38:52,754 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1332627301] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 19:38:52,754 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 19:38:52,754 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-14 19:38:52,754 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [95740004] [2024-10-14 19:38:52,754 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 19:38:52,756 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-14 19:38:52,756 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 19:38:52,757 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-14 19:38:52,757 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-10-14 19:38:52,761 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 15 out of 47 [2024-10-14 19:38:52,763 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 57 places, 62 transitions, 244 flow. Second operand has 9 states, 9 states have (on average 16.666666666666668) internal successors, (150), 9 states have internal predecessors, (150), 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) [2024-10-14 19:38:52,763 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 19:38:52,763 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 15 of 47 [2024-10-14 19:38:52,763 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 19:38:54,282 INFO L124 PetriNetUnfolderBase]: 3224/5191 cut-off events. [2024-10-14 19:38:54,282 INFO L125 PetriNetUnfolderBase]: For 2104/2114 co-relation queries the response was YES. [2024-10-14 19:38:54,297 INFO L83 FinitePrefix]: Finished finitePrefix Result has 14699 conditions, 5191 events. 3224/5191 cut-off events. For 2104/2114 co-relation queries the response was YES. Maximal size of possible extension queue 259. Compared 32368 event pairs, 320 based on Foata normal form. 75/5248 useless extension candidates. Maximal degree in co-relation 14686. Up to 2967 conditions per place. [2024-10-14 19:38:54,324 INFO L140 encePairwiseOnDemand]: 32/47 looper letters, 60 selfloop transitions, 44 changer transitions 22/137 dead transitions. [2024-10-14 19:38:54,325 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 63 places, 137 transitions, 780 flow [2024-10-14 19:38:54,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-14 19:38:54,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-10-14 19:38:54,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 241 transitions. [2024-10-14 19:38:54,327 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5697399527186762 [2024-10-14 19:38:54,327 INFO L175 Difference]: Start difference. First operand has 57 places, 62 transitions, 244 flow. Second operand 9 states and 241 transitions. [2024-10-14 19:38:54,327 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 63 places, 137 transitions, 780 flow [2024-10-14 19:38:54,340 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 61 places, 137 transitions, 774 flow, removed 3 selfloop flow, removed 2 redundant places. [2024-10-14 19:38:54,342 INFO L231 Difference]: Finished difference. Result has 66 places, 91 transitions, 557 flow [2024-10-14 19:38:54,342 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=47, PETRI_DIFFERENCE_MINUEND_FLOW=240, PETRI_DIFFERENCE_MINUEND_PLACES=53, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=62, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=31, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=557, PETRI_PLACES=66, PETRI_TRANSITIONS=91} [2024-10-14 19:38:54,343 INFO L277 CegarLoopForPetriNet]: 52 programPoint places, 14 predicate places. [2024-10-14 19:38:54,345 INFO L471 AbstractCegarLoop]: Abstraction has has 66 places, 91 transitions, 557 flow [2024-10-14 19:38:54,345 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 16.666666666666668) internal successors, (150), 9 states have internal predecessors, (150), 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) [2024-10-14 19:38:54,345 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 19:38:54,345 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] [2024-10-14 19:38:54,345 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-14 19:38:54,346 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P2Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-10-14 19:38:54,347 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 19:38:54,347 INFO L85 PathProgramCache]: Analyzing trace with hash -1077433384, now seen corresponding path program 1 times [2024-10-14 19:38:54,347 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 19:38:54,347 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [206265583] [2024-10-14 19:38:54,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 19:38:54,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 19:38:54,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 19:38:55,318 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 19:38:55,319 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 19:38:55,319 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [206265583] [2024-10-14 19:38:55,319 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [206265583] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 19:38:55,320 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 19:38:55,320 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-14 19:38:55,320 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [811588879] [2024-10-14 19:38:55,320 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 19:38:55,321 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-14 19:38:55,321 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 19:38:55,322 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-14 19:38:55,322 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-10-14 19:38:55,326 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 15 out of 47 [2024-10-14 19:38:55,326 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 66 places, 91 transitions, 557 flow. Second operand has 9 states, 9 states have (on average 16.77777777777778) internal successors, (151), 9 states have internal predecessors, (151), 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) [2024-10-14 19:38:55,326 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 19:38:55,326 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 15 of 47 [2024-10-14 19:38:55,326 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 19:38:56,889 INFO L124 PetriNetUnfolderBase]: 4360/6972 cut-off events. [2024-10-14 19:38:56,890 INFO L125 PetriNetUnfolderBase]: For 8299/8309 co-relation queries the response was YES. [2024-10-14 19:38:56,909 INFO L83 FinitePrefix]: Finished finitePrefix Result has 24961 conditions, 6972 events. 4360/6972 cut-off events. For 8299/8309 co-relation queries the response was YES. Maximal size of possible extension queue 366. Compared 46017 event pairs, 394 based on Foata normal form. 129/7083 useless extension candidates. Maximal degree in co-relation 24943. Up to 3183 conditions per place. [2024-10-14 19:38:56,937 INFO L140 encePairwiseOnDemand]: 32/47 looper letters, 107 selfloop transitions, 33 changer transitions 46/197 dead transitions. [2024-10-14 19:38:56,937 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 74 places, 197 transitions, 1514 flow [2024-10-14 19:38:56,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-14 19:38:56,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2024-10-14 19:38:56,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 294 transitions. [2024-10-14 19:38:56,939 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5686653771760155 [2024-10-14 19:38:56,939 INFO L175 Difference]: Start difference. First operand has 66 places, 91 transitions, 557 flow. Second operand 11 states and 294 transitions. [2024-10-14 19:38:56,939 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 74 places, 197 transitions, 1514 flow [2024-10-14 19:38:56,972 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 69 places, 197 transitions, 1417 flow, removed 8 selfloop flow, removed 5 redundant places. [2024-10-14 19:38:56,975 INFO L231 Difference]: Finished difference. Result has 77 places, 118 transitions, 878 flow [2024-10-14 19:38:56,976 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=47, PETRI_DIFFERENCE_MINUEND_FLOW=500, PETRI_DIFFERENCE_MINUEND_PLACES=59, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=91, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=58, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=878, PETRI_PLACES=77, PETRI_TRANSITIONS=118} [2024-10-14 19:38:56,977 INFO L277 CegarLoopForPetriNet]: 52 programPoint places, 25 predicate places. [2024-10-14 19:38:56,977 INFO L471 AbstractCegarLoop]: Abstraction has has 77 places, 118 transitions, 878 flow [2024-10-14 19:38:56,977 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 16.77777777777778) internal successors, (151), 9 states have internal predecessors, (151), 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) [2024-10-14 19:38:56,977 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 19:38:56,977 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] [2024-10-14 19:38:56,978 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-14 19:38:56,978 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P2Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-10-14 19:38:56,978 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 19:38:56,978 INFO L85 PathProgramCache]: Analyzing trace with hash -434974154, now seen corresponding path program 2 times [2024-10-14 19:38:56,979 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 19:38:56,979 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2029514892] [2024-10-14 19:38:56,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 19:38:56,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 19:38:57,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 19:38:58,479 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 19:38:58,479 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 19:38:58,480 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2029514892] [2024-10-14 19:38:58,480 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2029514892] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 19:38:58,480 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 19:38:58,480 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-14 19:38:58,480 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [244660807] [2024-10-14 19:38:58,481 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 19:38:58,481 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-14 19:38:58,481 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 19:38:58,482 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-14 19:38:58,482 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2024-10-14 19:38:58,485 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 15 out of 47 [2024-10-14 19:38:58,485 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 77 places, 118 transitions, 878 flow. Second operand has 10 states, 10 states have (on average 16.6) internal successors, (166), 10 states have internal predecessors, (166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 19:38:58,486 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 19:38:58,486 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 15 of 47 [2024-10-14 19:38:58,486 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 19:38:59,958 INFO L124 PetriNetUnfolderBase]: 4283/6888 cut-off events. [2024-10-14 19:38:59,959 INFO L125 PetriNetUnfolderBase]: For 14688/14688 co-relation queries the response was YES. [2024-10-14 19:38:59,978 INFO L83 FinitePrefix]: Finished finitePrefix Result has 27465 conditions, 6888 events. 4283/6888 cut-off events. For 14688/14688 co-relation queries the response was YES. Maximal size of possible extension queue 375. Compared 45840 event pairs, 982 based on Foata normal form. 70/6934 useless extension candidates. Maximal degree in co-relation 27441. Up to 5544 conditions per place. [2024-10-14 19:39:00,015 INFO L140 encePairwiseOnDemand]: 39/47 looper letters, 147 selfloop transitions, 16 changer transitions 35/209 dead transitions. [2024-10-14 19:39:00,015 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 80 places, 209 transitions, 1910 flow [2024-10-14 19:39:00,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-14 19:39:00,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-10-14 19:39:00,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 204 transitions. [2024-10-14 19:39:00,017 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5425531914893617 [2024-10-14 19:39:00,017 INFO L175 Difference]: Start difference. First operand has 77 places, 118 transitions, 878 flow. Second operand 8 states and 204 transitions. [2024-10-14 19:39:00,017 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 80 places, 209 transitions, 1910 flow [2024-10-14 19:39:00,071 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 76 places, 209 transitions, 1864 flow, removed 8 selfloop flow, removed 4 redundant places. [2024-10-14 19:39:00,075 INFO L231 Difference]: Finished difference. Result has 82 places, 133 transitions, 1078 flow [2024-10-14 19:39:00,075 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=47, PETRI_DIFFERENCE_MINUEND_FLOW=850, PETRI_DIFFERENCE_MINUEND_PLACES=69, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=118, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=103, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=1078, PETRI_PLACES=82, PETRI_TRANSITIONS=133} [2024-10-14 19:39:00,076 INFO L277 CegarLoopForPetriNet]: 52 programPoint places, 30 predicate places. [2024-10-14 19:39:00,076 INFO L471 AbstractCegarLoop]: Abstraction has has 82 places, 133 transitions, 1078 flow [2024-10-14 19:39:00,076 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 16.6) internal successors, (166), 10 states have internal predecessors, (166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 19:39:00,077 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 19:39:00,077 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] [2024-10-14 19:39:00,077 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-14 19:39:00,077 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P2Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-10-14 19:39:00,078 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 19:39:00,078 INFO L85 PathProgramCache]: Analyzing trace with hash -735675559, now seen corresponding path program 1 times [2024-10-14 19:39:00,078 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 19:39:00,079 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1598542140] [2024-10-14 19:39:00,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 19:39:00,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 19:39:00,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 19:39:00,942 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 19:39:00,942 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 19:39:00,942 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1598542140] [2024-10-14 19:39:00,942 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1598542140] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 19:39:00,942 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 19:39:00,942 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-14 19:39:00,942 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [808794981] [2024-10-14 19:39:00,943 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 19:39:00,943 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-14 19:39:00,943 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 19:39:00,944 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-14 19:39:00,944 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2024-10-14 19:39:00,953 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 15 out of 47 [2024-10-14 19:39:00,953 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 82 places, 133 transitions, 1078 flow. Second operand has 10 states, 10 states have (on average 16.6) internal successors, (166), 10 states have internal predecessors, (166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 19:39:00,954 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 19:39:00,954 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 15 of 47 [2024-10-14 19:39:00,954 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 19:39:02,830 INFO L124 PetriNetUnfolderBase]: 6419/10453 cut-off events. [2024-10-14 19:39:02,830 INFO L125 PetriNetUnfolderBase]: For 27826/27830 co-relation queries the response was YES. [2024-10-14 19:39:02,862 INFO L83 FinitePrefix]: Finished finitePrefix Result has 40711 conditions, 10453 events. 6419/10453 cut-off events. For 27826/27830 co-relation queries the response was YES. Maximal size of possible extension queue 573. Compared 75745 event pairs, 1785 based on Foata normal form. 66/10508 useless extension candidates. Maximal degree in co-relation 40683. Up to 4629 conditions per place. [2024-10-14 19:39:02,907 INFO L140 encePairwiseOnDemand]: 33/47 looper letters, 117 selfloop transitions, 52 changer transitions 58/238 dead transitions. [2024-10-14 19:39:02,907 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 89 places, 238 transitions, 2111 flow [2024-10-14 19:39:02,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-14 19:39:02,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2024-10-14 19:39:02,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 310 transitions. [2024-10-14 19:39:02,909 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.549645390070922 [2024-10-14 19:39:02,909 INFO L175 Difference]: Start difference. First operand has 82 places, 133 transitions, 1078 flow. Second operand 12 states and 310 transitions. [2024-10-14 19:39:02,909 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 89 places, 238 transitions, 2111 flow [2024-10-14 19:39:02,997 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 85 places, 238 transitions, 2049 flow, removed 31 selfloop flow, removed 4 redundant places. [2024-10-14 19:39:03,001 INFO L231 Difference]: Finished difference. Result has 93 places, 143 transitions, 1345 flow [2024-10-14 19:39:03,002 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=47, PETRI_DIFFERENCE_MINUEND_FLOW=1044, PETRI_DIFFERENCE_MINUEND_PLACES=74, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=133, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=42, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=82, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=1345, PETRI_PLACES=93, PETRI_TRANSITIONS=143} [2024-10-14 19:39:03,003 INFO L277 CegarLoopForPetriNet]: 52 programPoint places, 41 predicate places. [2024-10-14 19:39:03,004 INFO L471 AbstractCegarLoop]: Abstraction has has 93 places, 143 transitions, 1345 flow [2024-10-14 19:39:03,005 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 16.6) internal successors, (166), 10 states have internal predecessors, (166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 19:39:03,005 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 19:39:03,005 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] [2024-10-14 19:39:03,007 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-14 19:39:03,008 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P2Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-10-14 19:39:03,008 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 19:39:03,008 INFO L85 PathProgramCache]: Analyzing trace with hash -1300750051, now seen corresponding path program 2 times [2024-10-14 19:39:03,008 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 19:39:03,009 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1790756826] [2024-10-14 19:39:03,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 19:39:03,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 19:39:03,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 19:39:03,195 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 19:39:03,196 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 19:39:03,196 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1790756826] [2024-10-14 19:39:03,196 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1790756826] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 19:39:03,196 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 19:39:03,196 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-14 19:39:03,196 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2009802909] [2024-10-14 19:39:03,197 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 19:39:03,197 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 19:39:03,197 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 19:39:03,198 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 19:39:03,198 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-14 19:39:03,207 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 47 [2024-10-14 19:39:03,208 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 93 places, 143 transitions, 1345 flow. Second operand has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 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) [2024-10-14 19:39:03,208 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 19:39:03,209 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 47 [2024-10-14 19:39:03,210 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 19:39:05,183 INFO L124 PetriNetUnfolderBase]: 9948/15419 cut-off events. [2024-10-14 19:39:05,183 INFO L125 PetriNetUnfolderBase]: For 77011/77309 co-relation queries the response was YES. [2024-10-14 19:39:05,237 INFO L83 FinitePrefix]: Finished finitePrefix Result has 64782 conditions, 15419 events. 9948/15419 cut-off events. For 77011/77309 co-relation queries the response was YES. Maximal size of possible extension queue 666. Compared 103758 event pairs, 1088 based on Foata normal form. 917/16280 useless extension candidates. Maximal degree in co-relation 64748. Up to 7730 conditions per place. [2024-10-14 19:39:05,289 INFO L140 encePairwiseOnDemand]: 41/47 looper letters, 201 selfloop transitions, 5 changer transitions 6/239 dead transitions. [2024-10-14 19:39:05,290 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 90 places, 239 transitions, 2572 flow [2024-10-14 19:39:05,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 19:39:05,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-10-14 19:39:05,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 115 transitions. [2024-10-14 19:39:05,291 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6117021276595744 [2024-10-14 19:39:05,291 INFO L175 Difference]: Start difference. First operand has 93 places, 143 transitions, 1345 flow. Second operand 4 states and 115 transitions. [2024-10-14 19:39:05,291 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 90 places, 239 transitions, 2572 flow [2024-10-14 19:39:05,541 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 84 places, 239 transitions, 2493 flow, removed 18 selfloop flow, removed 6 redundant places. [2024-10-14 19:39:05,544 INFO L231 Difference]: Finished difference. Result has 86 places, 138 transitions, 1229 flow [2024-10-14 19:39:05,544 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=47, PETRI_DIFFERENCE_MINUEND_FLOW=1191, PETRI_DIFFERENCE_MINUEND_PLACES=81, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=134, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=129, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=1229, PETRI_PLACES=86, PETRI_TRANSITIONS=138} [2024-10-14 19:39:05,546 INFO L277 CegarLoopForPetriNet]: 52 programPoint places, 34 predicate places. [2024-10-14 19:39:05,546 INFO L471 AbstractCegarLoop]: Abstraction has has 86 places, 138 transitions, 1229 flow [2024-10-14 19:39:05,547 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 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) [2024-10-14 19:39:05,547 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 19:39:05,547 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] [2024-10-14 19:39:05,547 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-14 19:39:05,547 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P2Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-10-14 19:39:05,547 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 19:39:05,548 INFO L85 PathProgramCache]: Analyzing trace with hash 1636569368, now seen corresponding path program 1 times [2024-10-14 19:39:05,548 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 19:39:05,548 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1396707208] [2024-10-14 19:39:05,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 19:39:05,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 19:39:05,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 19:39:05,784 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 19:39:05,785 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 19:39:05,785 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1396707208] [2024-10-14 19:39:05,785 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1396707208] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 19:39:05,788 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 19:39:05,788 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-14 19:39:05,788 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1887216589] [2024-10-14 19:39:05,788 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 19:39:05,789 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 19:39:05,789 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 19:39:05,789 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 19:39:05,789 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-14 19:39:05,805 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 47 [2024-10-14 19:39:05,805 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 86 places, 138 transitions, 1229 flow. Second operand has 5 states, 5 states have (on average 16.6) internal successors, (83), 5 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) [2024-10-14 19:39:05,805 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 19:39:05,805 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 47 [2024-10-14 19:39:05,806 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 19:39:08,030 INFO L124 PetriNetUnfolderBase]: 7215/11376 cut-off events. [2024-10-14 19:39:08,030 INFO L125 PetriNetUnfolderBase]: For 44695/44909 co-relation queries the response was YES. [2024-10-14 19:39:08,063 INFO L83 FinitePrefix]: Finished finitePrefix Result has 47684 conditions, 11376 events. 7215/11376 cut-off events. For 44695/44909 co-relation queries the response was YES. Maximal size of possible extension queue 484. Compared 74697 event pairs, 818 based on Foata normal form. 662/12006 useless extension candidates. Maximal degree in co-relation 47651. Up to 4065 conditions per place. [2024-10-14 19:39:08,092 INFO L140 encePairwiseOnDemand]: 41/47 looper letters, 163 selfloop transitions, 8 changer transitions 9/202 dead transitions. [2024-10-14 19:39:08,092 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 90 places, 202 transitions, 2063 flow [2024-10-14 19:39:08,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-14 19:39:08,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-10-14 19:39:08,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 147 transitions. [2024-10-14 19:39:08,094 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.625531914893617 [2024-10-14 19:39:08,094 INFO L175 Difference]: Start difference. First operand has 86 places, 138 transitions, 1229 flow. Second operand 5 states and 147 transitions. [2024-10-14 19:39:08,094 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 90 places, 202 transitions, 2063 flow [2024-10-14 19:39:08,184 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 89 places, 202 transitions, 2060 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-14 19:39:08,187 INFO L231 Difference]: Finished difference. Result has 91 places, 108 transitions, 957 flow [2024-10-14 19:39:08,187 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=47, PETRI_DIFFERENCE_MINUEND_FLOW=918, PETRI_DIFFERENCE_MINUEND_PLACES=85, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=106, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=98, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=957, PETRI_PLACES=91, PETRI_TRANSITIONS=108} [2024-10-14 19:39:08,188 INFO L277 CegarLoopForPetriNet]: 52 programPoint places, 39 predicate places. [2024-10-14 19:39:08,190 INFO L471 AbstractCegarLoop]: Abstraction has has 91 places, 108 transitions, 957 flow [2024-10-14 19:39:08,190 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.6) internal successors, (83), 5 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) [2024-10-14 19:39:08,190 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 19:39:08,190 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] [2024-10-14 19:39:08,190 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-14 19:39:08,191 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P2Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-10-14 19:39:08,191 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 19:39:08,191 INFO L85 PathProgramCache]: Analyzing trace with hash 1705949052, now seen corresponding path program 1 times [2024-10-14 19:39:08,191 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 19:39:08,191 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1326847661] [2024-10-14 19:39:08,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 19:39:08,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 19:39:08,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 19:39:10,700 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 19:39:10,700 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 19:39:10,701 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1326847661] [2024-10-14 19:39:10,701 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1326847661] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 19:39:10,701 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 19:39:10,701 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-14 19:39:10,701 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [124774902] [2024-10-14 19:39:10,701 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 19:39:10,702 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-14 19:39:10,702 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 19:39:10,702 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-14 19:39:10,703 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2024-10-14 19:39:10,706 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 15 out of 47 [2024-10-14 19:39:10,707 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 91 places, 108 transitions, 957 flow. Second operand has 11 states, 11 states have (on average 16.727272727272727) internal successors, (184), 11 states have internal predecessors, (184), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 19:39:10,707 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 19:39:10,707 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 15 of 47 [2024-10-14 19:39:10,707 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 19:39:12,773 INFO L124 PetriNetUnfolderBase]: 6166/11210 cut-off events. [2024-10-14 19:39:12,774 INFO L125 PetriNetUnfolderBase]: For 46111/47787 co-relation queries the response was YES. [2024-10-14 19:39:12,810 INFO L83 FinitePrefix]: Finished finitePrefix Result has 47547 conditions, 11210 events. 6166/11210 cut-off events. For 46111/47787 co-relation queries the response was YES. Maximal size of possible extension queue 682. Compared 91312 event pairs, 1055 based on Foata normal form. 349/10907 useless extension candidates. Maximal degree in co-relation 47511. Up to 4942 conditions per place. [2024-10-14 19:39:12,835 INFO L140 encePairwiseOnDemand]: 33/47 looper letters, 83 selfloop transitions, 41 changer transitions 45/188 dead transitions. [2024-10-14 19:39:12,835 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 100 places, 188 transitions, 2042 flow [2024-10-14 19:39:12,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-14 19:39:12,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2024-10-14 19:39:12,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 246 transitions. [2024-10-14 19:39:12,837 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5234042553191489 [2024-10-14 19:39:12,837 INFO L175 Difference]: Start difference. First operand has 91 places, 108 transitions, 957 flow. Second operand 10 states and 246 transitions. [2024-10-14 19:39:12,837 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 100 places, 188 transitions, 2042 flow [2024-10-14 19:39:12,904 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 98 places, 188 transitions, 2030 flow, removed 3 selfloop flow, removed 2 redundant places. [2024-10-14 19:39:12,906 INFO L231 Difference]: Finished difference. Result has 104 places, 119 transitions, 1305 flow [2024-10-14 19:39:12,906 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=47, PETRI_DIFFERENCE_MINUEND_FLOW=945, PETRI_DIFFERENCE_MINUEND_PLACES=89, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=108, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=26, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=72, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=1305, PETRI_PLACES=104, PETRI_TRANSITIONS=119} [2024-10-14 19:39:12,907 INFO L277 CegarLoopForPetriNet]: 52 programPoint places, 52 predicate places. [2024-10-14 19:39:12,907 INFO L471 AbstractCegarLoop]: Abstraction has has 104 places, 119 transitions, 1305 flow [2024-10-14 19:39:12,907 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 16.727272727272727) internal successors, (184), 11 states have internal predecessors, (184), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 19:39:12,907 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 19:39:12,907 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] [2024-10-14 19:39:12,908 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-10-14 19:39:12,908 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P2Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-10-14 19:39:12,908 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 19:39:12,908 INFO L85 PathProgramCache]: Analyzing trace with hash 1291562878, now seen corresponding path program 2 times [2024-10-14 19:39:12,908 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 19:39:12,908 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2091832165] [2024-10-14 19:39:12,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 19:39:12,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 19:39:12,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 19:39:15,150 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 19:39:15,151 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 19:39:15,151 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2091832165] [2024-10-14 19:39:15,151 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2091832165] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 19:39:15,152 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 19:39:15,152 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-14 19:39:15,152 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [115417763] [2024-10-14 19:39:15,152 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 19:39:15,152 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-14 19:39:15,153 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 19:39:15,154 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-14 19:39:15,154 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2024-10-14 19:39:15,157 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 15 out of 47 [2024-10-14 19:39:15,157 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 104 places, 119 transitions, 1305 flow. Second operand has 11 states, 11 states have (on average 16.727272727272727) internal successors, (184), 11 states have internal predecessors, (184), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 19:39:15,157 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 19:39:15,158 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 15 of 47 [2024-10-14 19:39:15,158 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 19:39:18,284 INFO L124 PetriNetUnfolderBase]: 9097/16587 cut-off events. [2024-10-14 19:39:18,285 INFO L125 PetriNetUnfolderBase]: For 81460/83523 co-relation queries the response was YES. [2024-10-14 19:39:18,395 INFO L83 FinitePrefix]: Finished finitePrefix Result has 73635 conditions, 16587 events. 9097/16587 cut-off events. For 81460/83523 co-relation queries the response was YES. Maximal size of possible extension queue 1116. Compared 147671 event pairs, 3206 based on Foata normal form. 501/15883 useless extension candidates. Maximal degree in co-relation 73593. Up to 7163 conditions per place. [2024-10-14 19:39:18,437 INFO L140 encePairwiseOnDemand]: 36/47 looper letters, 116 selfloop transitions, 45 changer transitions 58/238 dead transitions. [2024-10-14 19:39:18,438 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 110 places, 238 transitions, 2848 flow [2024-10-14 19:39:18,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-14 19:39:18,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2024-10-14 19:39:18,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 282 transitions. [2024-10-14 19:39:18,439 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5454545454545454 [2024-10-14 19:39:18,440 INFO L175 Difference]: Start difference. First operand has 104 places, 119 transitions, 1305 flow. Second operand 11 states and 282 transitions. [2024-10-14 19:39:18,440 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 110 places, 238 transitions, 2848 flow [2024-10-14 19:39:18,763 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 98 places, 238 transitions, 2573 flow, removed 84 selfloop flow, removed 12 redundant places. [2024-10-14 19:39:18,766 INFO L231 Difference]: Finished difference. Result has 105 places, 134 transitions, 1472 flow [2024-10-14 19:39:18,766 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=47, PETRI_DIFFERENCE_MINUEND_FLOW=1136, PETRI_DIFFERENCE_MINUEND_PLACES=88, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=119, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=30, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=77, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=1472, PETRI_PLACES=105, PETRI_TRANSITIONS=134} [2024-10-14 19:39:18,767 INFO L277 CegarLoopForPetriNet]: 52 programPoint places, 53 predicate places. [2024-10-14 19:39:18,767 INFO L471 AbstractCegarLoop]: Abstraction has has 105 places, 134 transitions, 1472 flow [2024-10-14 19:39:18,767 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 16.727272727272727) internal successors, (184), 11 states have internal predecessors, (184), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 19:39:18,768 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 19:39:18,768 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] [2024-10-14 19:39:18,768 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-10-14 19:39:18,768 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P2Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-10-14 19:39:18,769 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 19:39:18,769 INFO L85 PathProgramCache]: Analyzing trace with hash -1330810326, now seen corresponding path program 3 times [2024-10-14 19:39:18,769 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 19:39:18,769 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1467624436] [2024-10-14 19:39:18,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 19:39:18,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 19:39:18,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 19:39:21,341 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 19:39:21,342 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 19:39:21,342 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1467624436] [2024-10-14 19:39:21,342 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1467624436] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 19:39:21,342 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 19:39:21,342 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-10-14 19:39:21,342 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1925820131] [2024-10-14 19:39:21,343 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 19:39:21,343 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-14 19:39:21,343 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 19:39:21,344 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-14 19:39:21,344 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-10-14 19:39:21,357 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 15 out of 47 [2024-10-14 19:39:21,358 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 105 places, 134 transitions, 1472 flow. Second operand has 12 states, 12 states have (on average 16.583333333333332) internal successors, (199), 12 states have internal predecessors, (199), 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) [2024-10-14 19:39:21,358 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 19:39:21,358 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 15 of 47 [2024-10-14 19:39:21,358 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 19:39:24,159 INFO L124 PetriNetUnfolderBase]: 8246/14998 cut-off events. [2024-10-14 19:39:24,160 INFO L125 PetriNetUnfolderBase]: For 79583/81650 co-relation queries the response was YES. [2024-10-14 19:39:24,271 INFO L83 FinitePrefix]: Finished finitePrefix Result has 67879 conditions, 14998 events. 8246/14998 cut-off events. For 79583/81650 co-relation queries the response was YES. Maximal size of possible extension queue 1009. Compared 129759 event pairs, 890 based on Foata normal form. 428/14501 useless extension candidates. Maximal degree in co-relation 67836. Up to 4810 conditions per place. [2024-10-14 19:39:24,316 INFO L140 encePairwiseOnDemand]: 33/47 looper letters, 108 selfloop transitions, 74 changer transitions 20/221 dead transitions. [2024-10-14 19:39:24,316 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 110 places, 221 transitions, 2741 flow [2024-10-14 19:39:24,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-14 19:39:24,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2024-10-14 19:39:24,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 258 transitions. [2024-10-14 19:39:24,318 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.548936170212766 [2024-10-14 19:39:24,318 INFO L175 Difference]: Start difference. First operand has 105 places, 134 transitions, 1472 flow. Second operand 10 states and 258 transitions. [2024-10-14 19:39:24,318 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 110 places, 221 transitions, 2741 flow [2024-10-14 19:39:24,482 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 103 places, 221 transitions, 2623 flow, removed 38 selfloop flow, removed 7 redundant places. [2024-10-14 19:39:24,485 INFO L231 Difference]: Finished difference. Result has 107 places, 163 transitions, 2015 flow [2024-10-14 19:39:24,486 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=47, PETRI_DIFFERENCE_MINUEND_FLOW=1378, PETRI_DIFFERENCE_MINUEND_PLACES=94, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=134, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=48, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=78, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=2015, PETRI_PLACES=107, PETRI_TRANSITIONS=163} [2024-10-14 19:39:24,486 INFO L277 CegarLoopForPetriNet]: 52 programPoint places, 55 predicate places. [2024-10-14 19:39:24,486 INFO L471 AbstractCegarLoop]: Abstraction has has 107 places, 163 transitions, 2015 flow [2024-10-14 19:39:24,487 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 16.583333333333332) internal successors, (199), 12 states have internal predecessors, (199), 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) [2024-10-14 19:39:24,487 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 19:39:24,487 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] [2024-10-14 19:39:24,487 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-10-14 19:39:24,487 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P2Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-10-14 19:39:24,488 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 19:39:24,488 INFO L85 PathProgramCache]: Analyzing trace with hash -707507542, now seen corresponding path program 4 times [2024-10-14 19:39:24,488 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 19:39:24,488 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [344484009] [2024-10-14 19:39:24,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 19:39:24,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 19:39:24,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 19:39:24,778 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 19:39:24,778 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 19:39:24,778 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [344484009] [2024-10-14 19:39:24,779 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [344484009] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 19:39:24,779 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 19:39:24,779 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-14 19:39:24,781 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1998441730] [2024-10-14 19:39:24,781 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 19:39:24,782 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-14 19:39:24,782 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 19:39:24,782 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-14 19:39:24,782 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-10-14 19:39:24,786 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 47 [2024-10-14 19:39:24,786 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 107 places, 163 transitions, 2015 flow. Second operand has 6 states, 6 states have (on average 16.5) internal successors, (99), 6 states have internal predecessors, (99), 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) [2024-10-14 19:39:24,787 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 19:39:24,787 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 47 [2024-10-14 19:39:24,787 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 19:39:27,108 INFO L124 PetriNetUnfolderBase]: 12911/20480 cut-off events. [2024-10-14 19:39:27,108 INFO L125 PetriNetUnfolderBase]: For 167323/167871 co-relation queries the response was YES. [2024-10-14 19:39:27,278 INFO L83 FinitePrefix]: Finished finitePrefix Result has 103913 conditions, 20480 events. 12911/20480 cut-off events. For 167323/167871 co-relation queries the response was YES. Maximal size of possible extension queue 1079. Compared 151798 event pairs, 1550 based on Foata normal form. 864/21318 useless extension candidates. Maximal degree in co-relation 103871. Up to 8293 conditions per place. [2024-10-14 19:39:27,319 INFO L140 encePairwiseOnDemand]: 41/47 looper letters, 122 selfloop transitions, 11 changer transitions 107/277 dead transitions. [2024-10-14 19:39:27,319 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 110 places, 277 transitions, 3727 flow [2024-10-14 19:39:27,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-14 19:39:27,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-14 19:39:27,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 153 transitions. [2024-10-14 19:39:27,320 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5425531914893617 [2024-10-14 19:39:27,320 INFO L175 Difference]: Start difference. First operand has 107 places, 163 transitions, 2015 flow. Second operand 6 states and 153 transitions. [2024-10-14 19:39:27,320 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 110 places, 277 transitions, 3727 flow [2024-10-14 19:39:28,154 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 102 places, 277 transitions, 3326 flow, removed 142 selfloop flow, removed 8 redundant places. [2024-10-14 19:39:28,157 INFO L231 Difference]: Finished difference. Result has 104 places, 114 transitions, 1324 flow [2024-10-14 19:39:28,157 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=47, PETRI_DIFFERENCE_MINUEND_FLOW=1709, PETRI_DIFFERENCE_MINUEND_PLACES=97, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=158, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=147, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1324, PETRI_PLACES=104, PETRI_TRANSITIONS=114} [2024-10-14 19:39:28,157 INFO L277 CegarLoopForPetriNet]: 52 programPoint places, 52 predicate places. [2024-10-14 19:39:28,158 INFO L471 AbstractCegarLoop]: Abstraction has has 104 places, 114 transitions, 1324 flow [2024-10-14 19:39:28,158 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 16.5) internal successors, (99), 6 states have internal predecessors, (99), 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) [2024-10-14 19:39:28,158 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 19:39:28,158 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] [2024-10-14 19:39:28,158 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-10-14 19:39:28,158 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P2Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-10-14 19:39:28,158 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 19:39:28,158 INFO L85 PathProgramCache]: Analyzing trace with hash -1223552245, now seen corresponding path program 1 times [2024-10-14 19:39:28,159 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 19:39:28,159 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [139926073] [2024-10-14 19:39:28,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 19:39:28,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 19:39:28,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 19:39:28,463 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 19:39:28,463 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 19:39:28,463 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [139926073] [2024-10-14 19:39:28,463 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [139926073] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 19:39:28,464 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 19:39:28,464 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-14 19:39:28,464 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [502798703] [2024-10-14 19:39:28,464 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 19:39:28,464 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-14 19:39:28,464 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 19:39:28,465 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-14 19:39:28,465 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-14 19:39:28,466 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 47 [2024-10-14 19:39:28,466 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 104 places, 114 transitions, 1324 flow. Second operand has 6 states, 6 states have (on average 17.833333333333332) internal successors, (107), 6 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) [2024-10-14 19:39:28,466 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 19:39:28,466 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 47 [2024-10-14 19:39:28,467 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 19:39:29,386 INFO L124 PetriNetUnfolderBase]: 3241/6421 cut-off events. [2024-10-14 19:39:29,386 INFO L125 PetriNetUnfolderBase]: For 34562/36149 co-relation queries the response was YES. [2024-10-14 19:39:29,425 INFO L83 FinitePrefix]: Finished finitePrefix Result has 27931 conditions, 6421 events. 3241/6421 cut-off events. For 34562/36149 co-relation queries the response was YES. Maximal size of possible extension queue 553. Compared 53712 event pairs, 416 based on Foata normal form. 272/6136 useless extension candidates. Maximal degree in co-relation 27893. Up to 2388 conditions per place. [2024-10-14 19:39:29,435 INFO L140 encePairwiseOnDemand]: 42/47 looper letters, 35 selfloop transitions, 1 changer transitions 95/152 dead transitions. [2024-10-14 19:39:29,435 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 107 places, 152 transitions, 1827 flow [2024-10-14 19:39:29,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-14 19:39:29,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-14 19:39:29,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 142 transitions. [2024-10-14 19:39:29,436 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5035460992907801 [2024-10-14 19:39:29,436 INFO L175 Difference]: Start difference. First operand has 104 places, 114 transitions, 1324 flow. Second operand 6 states and 142 transitions. [2024-10-14 19:39:29,437 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 107 places, 152 transitions, 1827 flow [2024-10-14 19:39:29,616 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 101 places, 152 transitions, 1653 flow, removed 65 selfloop flow, removed 6 redundant places. [2024-10-14 19:39:29,618 INFO L231 Difference]: Finished difference. Result has 105 places, 52 transitions, 410 flow [2024-10-14 19:39:29,618 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=47, PETRI_DIFFERENCE_MINUEND_FLOW=1175, PETRI_DIFFERENCE_MINUEND_PLACES=96, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=114, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=113, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=410, PETRI_PLACES=105, PETRI_TRANSITIONS=52} [2024-10-14 19:39:29,619 INFO L277 CegarLoopForPetriNet]: 52 programPoint places, 53 predicate places. [2024-10-14 19:39:29,619 INFO L471 AbstractCegarLoop]: Abstraction has has 105 places, 52 transitions, 410 flow [2024-10-14 19:39:29,619 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 17.833333333333332) internal successors, (107), 6 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) [2024-10-14 19:39:29,619 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 19:39:29,619 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] [2024-10-14 19:39:29,619 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-10-14 19:39:29,620 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P2Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-10-14 19:39:29,620 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 19:39:29,620 INFO L85 PathProgramCache]: Analyzing trace with hash -1808653159, now seen corresponding path program 2 times [2024-10-14 19:39:29,620 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 19:39:29,620 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [653445573] [2024-10-14 19:39:29,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 19:39:29,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 19:39:29,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 19:39:31,948 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 19:39:31,948 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 19:39:31,948 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [653445573] [2024-10-14 19:39:31,948 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [653445573] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 19:39:31,949 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 19:39:31,949 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-10-14 19:39:31,949 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1149169306] [2024-10-14 19:39:31,949 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 19:39:31,949 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-14 19:39:31,949 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 19:39:31,950 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-14 19:39:31,950 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2024-10-14 19:39:31,953 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 15 out of 47 [2024-10-14 19:39:31,954 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 105 places, 52 transitions, 410 flow. Second operand has 12 states, 12 states have (on average 16.833333333333332) internal successors, (202), 12 states have internal predecessors, (202), 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) [2024-10-14 19:39:31,954 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 19:39:31,954 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 15 of 47 [2024-10-14 19:39:31,954 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 19:39:32,754 INFO L124 PetriNetUnfolderBase]: 843/1753 cut-off events. [2024-10-14 19:39:32,755 INFO L125 PetriNetUnfolderBase]: For 4691/5260 co-relation queries the response was YES. [2024-10-14 19:39:32,763 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6995 conditions, 1753 events. 843/1753 cut-off events. For 4691/5260 co-relation queries the response was YES. Maximal size of possible extension queue 188. Compared 12275 event pairs, 65 based on Foata normal form. 55/1641 useless extension candidates. Maximal degree in co-relation 6964. Up to 442 conditions per place. [2024-10-14 19:39:32,765 INFO L140 encePairwiseOnDemand]: 37/47 looper letters, 0 selfloop transitions, 0 changer transitions 80/80 dead transitions. [2024-10-14 19:39:32,765 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 105 places, 80 transitions, 681 flow [2024-10-14 19:39:32,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-14 19:39:32,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2024-10-14 19:39:32,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 210 transitions. [2024-10-14 19:39:32,766 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.44680851063829785 [2024-10-14 19:39:32,766 INFO L175 Difference]: Start difference. First operand has 105 places, 52 transitions, 410 flow. Second operand 10 states and 210 transitions. [2024-10-14 19:39:32,767 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 105 places, 80 transitions, 681 flow [2024-10-14 19:39:32,778 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 78 places, 80 transitions, 565 flow, removed 10 selfloop flow, removed 27 redundant places. [2024-10-14 19:39:32,779 INFO L231 Difference]: Finished difference. Result has 78 places, 0 transitions, 0 flow [2024-10-14 19:39:32,779 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=47, PETRI_DIFFERENCE_MINUEND_FLOW=302, PETRI_DIFFERENCE_MINUEND_PLACES=69, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=49, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=49, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=0, PETRI_PLACES=78, PETRI_TRANSITIONS=0} [2024-10-14 19:39:32,780 INFO L277 CegarLoopForPetriNet]: 52 programPoint places, 26 predicate places. [2024-10-14 19:39:32,780 INFO L471 AbstractCegarLoop]: Abstraction has has 78 places, 0 transitions, 0 flow [2024-10-14 19:39:32,780 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 16.833333333333332) internal successors, (202), 12 states have internal predecessors, (202), 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) [2024-10-14 19:39:32,786 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONMEMORY_LEAK (6 of 7 remaining) [2024-10-14 19:39:32,787 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (5 of 7 remaining) [2024-10-14 19:39:32,787 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (4 of 7 remaining) [2024-10-14 19:39:32,787 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 7 remaining) [2024-10-14 19:39:32,787 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 7 remaining) [2024-10-14 19:39:32,787 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 7 remaining) [2024-10-14 19:39:32,787 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONMEMORY_LEAK (0 of 7 remaining) [2024-10-14 19:39:32,788 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-10-14 19:39:32,788 INFO L407 BasicCegarLoop]: Path program histogram: [4, 2, 2, 2, 2, 1, 1, 1, 1] [2024-10-14 19:39:32,796 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-10-14 19:39:32,797 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-14 19:39:32,802 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 07:39:32 BasicIcfg [2024-10-14 19:39:32,802 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-14 19:39:32,803 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-14 19:39:32,803 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-14 19:39:32,804 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-14 19:39:32,804 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 07:38:43" (3/4) ... [2024-10-14 19:39:32,805 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-14 19:39:32,808 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2024-10-14 19:39:32,808 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2024-10-14 19:39:32,808 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2024-10-14 19:39:32,817 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 92 nodes and edges [2024-10-14 19:39:32,818 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2024-10-14 19:39:32,818 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-10-14 19:39:32,818 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-10-14 19:39:32,916 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-10-14 19:39:32,919 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-10-14 19:39:32,919 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-14 19:39:32,920 INFO L158 Benchmark]: Toolchain (without parser) took 50851.44ms. Allocated memory was 134.2MB in the beginning and 4.4GB in the end (delta: 4.3GB). Free memory was 62.6MB in the beginning and 4.1GB in the end (delta: -4.0GB). Peak memory consumption was 261.2MB. Max. memory is 16.1GB. [2024-10-14 19:39:32,920 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 134.2MB. Free memory is still 87.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-14 19:39:32,920 INFO L158 Benchmark]: CACSL2BoogieTranslator took 600.42ms. Allocated memory was 134.2MB in the beginning and 172.0MB in the end (delta: 37.7MB). Free memory was 62.3MB in the beginning and 119.7MB in the end (delta: -57.4MB). Peak memory consumption was 8.8MB. Max. memory is 16.1GB. [2024-10-14 19:39:32,921 INFO L158 Benchmark]: Boogie Procedure Inliner took 74.95ms. Allocated memory is still 172.0MB. Free memory was 119.7MB in the beginning and 116.6MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-14 19:39:32,922 INFO L158 Benchmark]: Boogie Preprocessor took 90.39ms. Allocated memory is still 172.0MB. Free memory was 116.6MB in the beginning and 110.3MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-10-14 19:39:32,923 INFO L158 Benchmark]: RCFGBuilder took 950.24ms. Allocated memory is still 172.0MB. Free memory was 110.3MB in the beginning and 109.9MB in the end (delta: 437.9kB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. [2024-10-14 19:39:32,923 INFO L158 Benchmark]: TraceAbstraction took 49012.73ms. Allocated memory was 172.0MB in the beginning and 4.4GB in the end (delta: 4.2GB). Free memory was 108.8MB in the beginning and 4.1GB in the end (delta: -4.0GB). Peak memory consumption was 2.8GB. Max. memory is 16.1GB. [2024-10-14 19:39:32,923 INFO L158 Benchmark]: Witness Printer took 116.33ms. Allocated memory is still 4.4GB. Free memory was 4.1GB in the beginning and 4.1GB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-14 19:39:32,925 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 134.2MB. Free memory is still 87.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 600.42ms. Allocated memory was 134.2MB in the beginning and 172.0MB in the end (delta: 37.7MB). Free memory was 62.3MB in the beginning and 119.7MB in the end (delta: -57.4MB). Peak memory consumption was 8.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 74.95ms. Allocated memory is still 172.0MB. Free memory was 119.7MB in the beginning and 116.6MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 90.39ms. Allocated memory is still 172.0MB. Free memory was 116.6MB in the beginning and 110.3MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 950.24ms. Allocated memory is still 172.0MB. Free memory was 110.3MB in the beginning and 109.9MB in the end (delta: 437.9kB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. * TraceAbstraction took 49012.73ms. Allocated memory was 172.0MB in the beginning and 4.4GB in the end (delta: 4.2GB). Free memory was 108.8MB in the beginning and 4.1GB in the end (delta: -4.0GB). Peak memory consumption was 2.8GB. Max. memory is 16.1GB. * Witness Printer took 116.33ms. Allocated memory is still 4.4GB. Free memory was 4.1GB in the beginning and 4.1GB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 17]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 866]: 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, 74 locations, 7 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: 48.9s, OverallIterations: 16, TraceHistogramMax: 1, PathProgramHistogramMax: 4, EmptinessCheckTime: 0.0s, AutomataDifference: 30.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1080 SdHoareTripleChecker+Valid, 6.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1064 mSDsluCounter, 182 SdHoareTripleChecker+Invalid, 5.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 144 mSDsCounter, 321 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4312 IncrementalHoareTripleChecker+Invalid, 4633 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 321 mSolverCounterUnsat, 38 mSDtfsCounter, 4312 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 163 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 143 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 154 ImplicationChecksByTransitivity, 2.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2015occurred in iteration=13, InterpolantAutomatonStates: 124, 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: 0.1s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 17.3s InterpolantComputationTime, 355 NumberOfCodeBlocks, 355 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 339 ConstructedInterpolants, 0 QuantifiedInterpolants, 3494 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 16 InterpolantComputations, 16 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 3 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-10-14 19:39:32,957 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