./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/valid-memsafety.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/parallel-ticket-4.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version a046e57d 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/weaver/parallel-ticket-4.wvr.c -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 d87195cdf1d0fd4bcadf67f37be6f46388ea22a2ec77b383d012327e126a2173 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-mul-div-a046e57-m [2024-10-13 12:39:57,731 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-13 12:39:57,769 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2024-10-13 12:39:57,776 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-13 12:39:57,776 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-13 12:39:57,810 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-13 12:39:57,811 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-13 12:39:57,811 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-13 12:39:57,812 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-13 12:39:57,812 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-13 12:39:57,812 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-13 12:39:57,813 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-13 12:39:57,813 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-13 12:39:57,813 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-13 12:39:57,814 INFO L153 SettingsManager]: * Use SBE=true [2024-10-13 12:39:57,814 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-13 12:39:57,814 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-13 12:39:57,815 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-13 12:39:57,815 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-13 12:39:57,818 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-13 12:39:57,818 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-10-13 12:39:57,819 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-10-13 12:39:57,819 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-10-13 12:39:57,819 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-13 12:39:57,820 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-10-13 12:39:57,820 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-13 12:39:57,820 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-13 12:39:57,820 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-13 12:39:57,820 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-13 12:39:57,821 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-13 12:39:57,821 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-13 12:39:57,821 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-13 12:39:57,821 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-13 12:39:57,821 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 12:39:57,821 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-13 12:39:57,822 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-13 12:39:57,822 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-13 12:39:57,822 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-13 12:39:57,826 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-13 12:39:57,826 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-13 12:39:57,826 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-13 12:39:57,827 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-13 12:39:57,827 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d87195cdf1d0fd4bcadf67f37be6f46388ea22a2ec77b383d012327e126a2173 [2024-10-13 12:39:58,062 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-13 12:39:58,082 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-13 12:39:58,084 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-13 12:39:58,085 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-13 12:39:58,085 INFO L274 PluginConnector]: CDTParser initialized [2024-10-13 12:39:58,086 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/parallel-ticket-4.wvr.c [2024-10-13 12:39:59,525 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-13 12:39:59,713 INFO L384 CDTParser]: Found 1 translation units. [2024-10-13 12:39:59,713 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/parallel-ticket-4.wvr.c [2024-10-13 12:39:59,720 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aa9a523f2/f0c13538971e4cb7b2d0cfd9df952c2f/FLAGd5193fdb7 [2024-10-13 12:39:59,732 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aa9a523f2/f0c13538971e4cb7b2d0cfd9df952c2f [2024-10-13 12:39:59,735 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-13 12:39:59,736 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-13 12:39:59,737 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-13 12:39:59,737 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-13 12:39:59,745 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-13 12:39:59,746 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:39:59" (1/1) ... [2024-10-13 12:39:59,747 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@137343d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:39:59, skipping insertion in model container [2024-10-13 12:39:59,747 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:39:59" (1/1) ... [2024-10-13 12:39:59,779 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-13 12:39:59,983 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 12:39:59,996 INFO L200 MainTranslator]: Completed pre-run [2024-10-13 12:40:00,024 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 12:40:00,044 INFO L204 MainTranslator]: Completed translation [2024-10-13 12:40:00,044 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:40:00 WrapperNode [2024-10-13 12:40:00,045 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-13 12:40:00,046 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-13 12:40:00,046 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-13 12:40:00,046 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-13 12:40:00,052 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:40:00" (1/1) ... [2024-10-13 12:40:00,059 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:40:00" (1/1) ... [2024-10-13 12:40:00,112 INFO L138 Inliner]: procedures = 22, calls = 51, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 188 [2024-10-13 12:40:00,113 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-13 12:40:00,115 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-13 12:40:00,115 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-13 12:40:00,115 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-13 12:40:00,125 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:40:00" (1/1) ... [2024-10-13 12:40:00,126 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:40:00" (1/1) ... [2024-10-13 12:40:00,135 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:40:00" (1/1) ... [2024-10-13 12:40:00,178 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]. [2024-10-13 12:40:00,179 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:40:00" (1/1) ... [2024-10-13 12:40:00,179 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:40:00" (1/1) ... [2024-10-13 12:40:00,186 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:40:00" (1/1) ... [2024-10-13 12:40:00,189 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:40:00" (1/1) ... [2024-10-13 12:40:00,191 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:40:00" (1/1) ... [2024-10-13 12:40:00,192 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:40:00" (1/1) ... [2024-10-13 12:40:00,194 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-13 12:40:00,197 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-13 12:40:00,200 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-13 12:40:00,200 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-13 12:40:00,201 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:40:00" (1/1) ... [2024-10-13 12:40:00,206 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 12:40:00,217 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 12:40:00,233 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) [2024-10-13 12:40:00,239 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 [2024-10-13 12:40:00,276 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-13 12:40:00,276 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-10-13 12:40:00,277 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-10-13 12:40:00,277 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-10-13 12:40:00,277 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-10-13 12:40:00,277 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-10-13 12:40:00,277 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-10-13 12:40:00,277 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2024-10-13 12:40:00,278 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2024-10-13 12:40:00,278 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-13 12:40:00,278 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-10-13 12:40:00,278 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-10-13 12:40:00,278 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-13 12:40:00,278 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-13 12:40:00,280 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-13 12:40:00,379 INFO L238 CfgBuilder]: Building ICFG [2024-10-13 12:40:00,381 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-13 12:40:00,567 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-13 12:40:00,567 INFO L287 CfgBuilder]: Performing block encoding [2024-10-13 12:40:00,803 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-13 12:40:00,803 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-13 12:40:00,804 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:40:00 BoogieIcfgContainer [2024-10-13 12:40:00,804 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-13 12:40:00,806 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-13 12:40:00,806 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-13 12:40:00,809 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-13 12:40:00,809 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 12:39:59" (1/3) ... [2024-10-13 12:40:00,809 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44565f6b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 12:40:00, skipping insertion in model container [2024-10-13 12:40:00,810 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:40:00" (2/3) ... [2024-10-13 12:40:00,810 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44565f6b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 12:40:00, skipping insertion in model container [2024-10-13 12:40:00,810 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:40:00" (3/3) ... [2024-10-13 12:40:00,811 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-ticket-4.wvr.c [2024-10-13 12:40:00,827 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-13 12:40:00,827 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-10-13 12:40:00,827 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-13 12:40:00,882 INFO L143 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2024-10-13 12:40:00,913 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 60 places, 47 transitions, 122 flow [2024-10-13 12:40:00,949 INFO L124 PetriNetUnfolderBase]: 0/43 cut-off events. [2024-10-13 12:40:00,950 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-10-13 12:40:00,952 INFO L83 FinitePrefix]: Finished finitePrefix Result has 60 conditions, 43 events. 0/43 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 81 event pairs, 0 based on Foata normal form. 0/41 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2024-10-13 12:40:00,952 INFO L82 GeneralOperation]: Start removeDead. Operand has 60 places, 47 transitions, 122 flow [2024-10-13 12:40:00,955 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 55 places, 42 transitions, 108 flow [2024-10-13 12:40:00,966 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-13 12:40:00,976 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;@2d924fdf, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-13 12:40:00,976 INFO L334 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2024-10-13 12:40:00,996 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-10-13 12:40:00,996 INFO L124 PetriNetUnfolderBase]: 0/39 cut-off events. [2024-10-13 12:40:00,996 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-10-13 12:40:00,997 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 12:40:00,998 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 12:40:00,998 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-10-13 12:40:01,003 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 12:40:01,003 INFO L85 PathProgramCache]: Analyzing trace with hash -573636712, now seen corresponding path program 1 times [2024-10-13 12:40:01,017 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 12:40:01,017 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2146093225] [2024-10-13 12:40:01,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 12:40:01,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 12:40:01,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:40:02,004 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 12:40:02,006 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 12:40:02,006 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2146093225] [2024-10-13 12:40:02,007 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2146093225] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 12:40:02,008 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 12:40:02,008 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-13 12:40:02,010 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1634495524] [2024-10-13 12:40:02,010 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 12:40:02,019 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-13 12:40:02,024 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 12:40:02,047 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-13 12:40:02,049 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-10-13 12:40:02,065 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 47 [2024-10-13 12:40:02,068 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 55 places, 42 transitions, 108 flow. Second operand has 6 states, 6 states have (on average 15.833333333333334) internal successors, (95), 6 states have internal predecessors, (95), 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) [2024-10-13 12:40:02,068 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 12:40:02,068 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 47 [2024-10-13 12:40:02,069 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 12:40:03,945 INFO L124 PetriNetUnfolderBase]: 15778/21691 cut-off events. [2024-10-13 12:40:03,946 INFO L125 PetriNetUnfolderBase]: For 1470/1470 co-relation queries the response was YES. [2024-10-13 12:40:03,994 INFO L83 FinitePrefix]: Finished finitePrefix Result has 44681 conditions, 21691 events. 15778/21691 cut-off events. For 1470/1470 co-relation queries the response was YES. Maximal size of possible extension queue 770. Compared 121060 event pairs, 10182 based on Foata normal form. 2/21657 useless extension candidates. Maximal degree in co-relation 40935. Up to 12528 conditions per place. [2024-10-13 12:40:04,057 INFO L140 encePairwiseOnDemand]: 39/47 looper letters, 72 selfloop transitions, 5 changer transitions 7/89 dead transitions. [2024-10-13 12:40:04,058 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 56 places, 89 transitions, 397 flow [2024-10-13 12:40:04,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 12:40:04,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-10-13 12:40:04,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 126 transitions. [2024-10-13 12:40:04,068 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6702127659574468 [2024-10-13 12:40:04,070 INFO L175 Difference]: Start difference. First operand has 55 places, 42 transitions, 108 flow. Second operand 4 states and 126 transitions. [2024-10-13 12:40:04,071 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 56 places, 89 transitions, 397 flow [2024-10-13 12:40:04,113 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 48 places, 89 transitions, 363 flow, removed 0 selfloop flow, removed 8 redundant places. [2024-10-13 12:40:04,119 INFO L231 Difference]: Finished difference. Result has 50 places, 43 transitions, 120 flow [2024-10-13 12:40:04,121 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=47, PETRI_DIFFERENCE_MINUEND_FLOW=88, PETRI_DIFFERENCE_MINUEND_PLACES=45, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=40, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=35, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=120, PETRI_PLACES=50, PETRI_TRANSITIONS=43} [2024-10-13 12:40:04,126 INFO L277 CegarLoopForPetriNet]: 55 programPoint places, -5 predicate places. [2024-10-13 12:40:04,126 INFO L471 AbstractCegarLoop]: Abstraction has has 50 places, 43 transitions, 120 flow [2024-10-13 12:40:04,126 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 15.833333333333334) internal successors, (95), 6 states have internal predecessors, (95), 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) [2024-10-13 12:40:04,126 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 12:40:04,127 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 12:40:04,127 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-13 12:40:04,127 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-10-13 12:40:04,128 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 12:40:04,128 INFO L85 PathProgramCache]: Analyzing trace with hash -2040436700, now seen corresponding path program 2 times [2024-10-13 12:40:04,128 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 12:40:04,129 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [349479308] [2024-10-13 12:40:04,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 12:40:04,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 12:40:04,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:40:04,233 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 12:40:04,233 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 12:40:04,233 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [349479308] [2024-10-13 12:40:04,233 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [349479308] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 12:40:04,233 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 12:40:04,234 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-13 12:40:04,234 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [709379389] [2024-10-13 12:40:04,234 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 12:40:04,235 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-13 12:40:04,235 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 12:40:04,235 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-13 12:40:04,236 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-13 12:40:04,236 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 15 out of 47 [2024-10-13 12:40:04,240 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 50 places, 43 transitions, 120 flow. Second operand has 5 states, 5 states have (on average 21.0) internal successors, (105), 5 states have internal predecessors, (105), 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) [2024-10-13 12:40:04,240 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 12:40:04,241 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 15 of 47 [2024-10-13 12:40:04,241 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 12:40:05,447 INFO L124 PetriNetUnfolderBase]: 12093/18342 cut-off events. [2024-10-13 12:40:05,447 INFO L125 PetriNetUnfolderBase]: For 360/360 co-relation queries the response was YES. [2024-10-13 12:40:05,487 INFO L83 FinitePrefix]: Finished finitePrefix Result has 37412 conditions, 18342 events. 12093/18342 cut-off events. For 360/360 co-relation queries the response was YES. Maximal size of possible extension queue 932. Compared 124871 event pairs, 3771 based on Foata normal form. 196/18095 useless extension candidates. Maximal degree in co-relation 16203. Up to 5780 conditions per place. [2024-10-13 12:40:05,567 INFO L140 encePairwiseOnDemand]: 37/47 looper letters, 80 selfloop transitions, 17 changer transitions 0/110 dead transitions. [2024-10-13 12:40:05,567 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 54 places, 110 transitions, 461 flow [2024-10-13 12:40:05,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-13 12:40:05,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-10-13 12:40:05,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 173 transitions. [2024-10-13 12:40:05,570 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7361702127659574 [2024-10-13 12:40:05,571 INFO L175 Difference]: Start difference. First operand has 50 places, 43 transitions, 120 flow. Second operand 5 states and 173 transitions. [2024-10-13 12:40:05,571 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 54 places, 110 transitions, 461 flow [2024-10-13 12:40:05,578 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 51 places, 110 transitions, 451 flow, removed 1 selfloop flow, removed 3 redundant places. [2024-10-13 12:40:05,580 INFO L231 Difference]: Finished difference. Result has 53 places, 59 transitions, 214 flow [2024-10-13 12:40:05,580 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=47, PETRI_DIFFERENCE_MINUEND_FLOW=110, PETRI_DIFFERENCE_MINUEND_PLACES=47, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=43, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=34, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=214, PETRI_PLACES=53, PETRI_TRANSITIONS=59} [2024-10-13 12:40:05,581 INFO L277 CegarLoopForPetriNet]: 55 programPoint places, -2 predicate places. [2024-10-13 12:40:05,581 INFO L471 AbstractCegarLoop]: Abstraction has has 53 places, 59 transitions, 214 flow [2024-10-13 12:40:05,582 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 21.0) internal successors, (105), 5 states have internal predecessors, (105), 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) [2024-10-13 12:40:05,582 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 12:40:05,582 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 12:40:05,582 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-13 12:40:05,583 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-10-13 12:40:05,583 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 12:40:05,584 INFO L85 PathProgramCache]: Analyzing trace with hash 1998309602, now seen corresponding path program 3 times [2024-10-13 12:40:05,585 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 12:40:05,585 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [973390449] [2024-10-13 12:40:05,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 12:40:05,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 12:40:05,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:40:05,741 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 12:40:05,741 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 12:40:05,742 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [973390449] [2024-10-13 12:40:05,742 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [973390449] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 12:40:05,743 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 12:40:05,744 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-13 12:40:05,744 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1109530328] [2024-10-13 12:40:05,744 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 12:40:05,745 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-13 12:40:05,745 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 12:40:05,747 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-13 12:40:05,747 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-13 12:40:05,748 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 15 out of 47 [2024-10-13 12:40:05,748 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 53 places, 59 transitions, 214 flow. Second operand has 5 states, 5 states have (on average 21.0) internal successors, (105), 5 states have internal predecessors, (105), 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) [2024-10-13 12:40:05,749 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 12:40:05,749 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 15 of 47 [2024-10-13 12:40:05,749 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 12:40:07,092 INFO L124 PetriNetUnfolderBase]: 12038/18592 cut-off events. [2024-10-13 12:40:07,093 INFO L125 PetriNetUnfolderBase]: For 8512/8623 co-relation queries the response was YES. [2024-10-13 12:40:07,143 INFO L83 FinitePrefix]: Finished finitePrefix Result has 47121 conditions, 18592 events. 12038/18592 cut-off events. For 8512/8623 co-relation queries the response was YES. Maximal size of possible extension queue 936. Compared 130710 event pairs, 3299 based on Foata normal form. 230/18439 useless extension candidates. Maximal degree in co-relation 12290. Up to 5559 conditions per place. [2024-10-13 12:40:07,214 INFO L140 encePairwiseOnDemand]: 37/47 looper letters, 76 selfloop transitions, 22 changer transitions 0/111 dead transitions. [2024-10-13 12:40:07,215 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 57 places, 111 transitions, 561 flow [2024-10-13 12:40:07,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-13 12:40:07,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-10-13 12:40:07,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 169 transitions. [2024-10-13 12:40:07,218 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7191489361702128 [2024-10-13 12:40:07,218 INFO L175 Difference]: Start difference. First operand has 53 places, 59 transitions, 214 flow. Second operand 5 states and 169 transitions. [2024-10-13 12:40:07,218 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 57 places, 111 transitions, 561 flow [2024-10-13 12:40:07,223 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 57 places, 111 transitions, 561 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-10-13 12:40:07,225 INFO L231 Difference]: Finished difference. Result has 59 places, 65 transitions, 311 flow [2024-10-13 12:40:07,227 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=47, PETRI_DIFFERENCE_MINUEND_FLOW=214, PETRI_DIFFERENCE_MINUEND_PLACES=53, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=59, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=16, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=42, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=311, PETRI_PLACES=59, PETRI_TRANSITIONS=65} [2024-10-13 12:40:07,228 INFO L277 CegarLoopForPetriNet]: 55 programPoint places, 4 predicate places. [2024-10-13 12:40:07,229 INFO L471 AbstractCegarLoop]: Abstraction has has 59 places, 65 transitions, 311 flow [2024-10-13 12:40:07,229 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 21.0) internal successors, (105), 5 states have internal predecessors, (105), 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) [2024-10-13 12:40:07,229 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 12:40:07,229 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 12:40:07,230 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-13 12:40:07,230 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-10-13 12:40:07,230 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 12:40:07,230 INFO L85 PathProgramCache]: Analyzing trace with hash -1962872220, now seen corresponding path program 4 times [2024-10-13 12:40:07,231 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 12:40:07,231 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [570415385] [2024-10-13 12:40:07,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 12:40:07,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 12:40:07,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:40:07,382 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 12:40:07,382 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 12:40:07,382 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [570415385] [2024-10-13 12:40:07,383 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [570415385] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 12:40:07,383 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 12:40:07,383 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-13 12:40:07,383 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1703770058] [2024-10-13 12:40:07,383 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 12:40:07,384 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-13 12:40:07,384 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 12:40:07,385 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-13 12:40:07,385 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-10-13 12:40:07,385 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 15 out of 47 [2024-10-13 12:40:07,385 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 59 places, 65 transitions, 311 flow. Second operand has 6 states, 6 states have (on average 20.0) internal successors, (120), 6 states have internal predecessors, (120), 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) [2024-10-13 12:40:07,386 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 12:40:07,386 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 15 of 47 [2024-10-13 12:40:07,386 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 12:40:08,842 INFO L124 PetriNetUnfolderBase]: 12179/19174 cut-off events. [2024-10-13 12:40:08,842 INFO L125 PetriNetUnfolderBase]: For 17286/17487 co-relation queries the response was YES. [2024-10-13 12:40:08,917 INFO L83 FinitePrefix]: Finished finitePrefix Result has 53550 conditions, 19174 events. 12179/19174 cut-off events. For 17286/17487 co-relation queries the response was YES. Maximal size of possible extension queue 974. Compared 138158 event pairs, 2473 based on Foata normal form. 452/19196 useless extension candidates. Maximal degree in co-relation 14140. Up to 6821 conditions per place. [2024-10-13 12:40:09,009 INFO L140 encePairwiseOnDemand]: 37/47 looper letters, 93 selfloop transitions, 59 changer transitions 5/170 dead transitions. [2024-10-13 12:40:09,010 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 64 places, 170 transitions, 1035 flow [2024-10-13 12:40:09,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-13 12:40:09,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-13 12:40:09,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 211 transitions. [2024-10-13 12:40:09,012 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.74822695035461 [2024-10-13 12:40:09,012 INFO L175 Difference]: Start difference. First operand has 59 places, 65 transitions, 311 flow. Second operand 6 states and 211 transitions. [2024-10-13 12:40:09,012 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 64 places, 170 transitions, 1035 flow [2024-10-13 12:40:09,021 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 62 places, 170 transitions, 994 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-13 12:40:09,024 INFO L231 Difference]: Finished difference. Result has 65 places, 102 transitions, 718 flow [2024-10-13 12:40:09,024 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=47, PETRI_DIFFERENCE_MINUEND_FLOW=285, PETRI_DIFFERENCE_MINUEND_PLACES=57, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=65, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=28, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=34, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=718, PETRI_PLACES=65, PETRI_TRANSITIONS=102} [2024-10-13 12:40:09,025 INFO L277 CegarLoopForPetriNet]: 55 programPoint places, 10 predicate places. [2024-10-13 12:40:09,025 INFO L471 AbstractCegarLoop]: Abstraction has has 65 places, 102 transitions, 718 flow [2024-10-13 12:40:09,025 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 20.0) internal successors, (120), 6 states have internal predecessors, (120), 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) [2024-10-13 12:40:09,026 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 12:40:09,026 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 12:40:09,026 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-13 12:40:09,026 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-10-13 12:40:09,027 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 12:40:09,027 INFO L85 PathProgramCache]: Analyzing trace with hash 506356128, now seen corresponding path program 5 times [2024-10-13 12:40:09,027 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 12:40:09,028 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1489835650] [2024-10-13 12:40:09,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 12:40:09,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 12:40:09,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:40:09,133 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 12:40:09,134 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 12:40:09,134 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1489835650] [2024-10-13 12:40:09,134 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1489835650] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 12:40:09,134 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 12:40:09,134 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-13 12:40:09,134 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1176231409] [2024-10-13 12:40:09,134 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 12:40:09,135 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-13 12:40:09,135 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 12:40:09,135 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-13 12:40:09,136 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-13 12:40:09,136 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 15 out of 47 [2024-10-13 12:40:09,138 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 65 places, 102 transitions, 718 flow. Second operand has 5 states, 5 states have (on average 21.0) internal successors, (105), 5 states have internal predecessors, (105), 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) [2024-10-13 12:40:09,138 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 12:40:09,138 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 15 of 47 [2024-10-13 12:40:09,138 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 12:40:10,464 INFO L124 PetriNetUnfolderBase]: 10687/17379 cut-off events. [2024-10-13 12:40:10,465 INFO L125 PetriNetUnfolderBase]: For 35159/35549 co-relation queries the response was YES. [2024-10-13 12:40:10,512 INFO L83 FinitePrefix]: Finished finitePrefix Result has 55451 conditions, 17379 events. 10687/17379 cut-off events. For 35159/35549 co-relation queries the response was YES. Maximal size of possible extension queue 822. Compared 128049 event pairs, 2687 based on Foata normal form. 386/17521 useless extension candidates. Maximal degree in co-relation 12064. Up to 7287 conditions per place. [2024-10-13 12:40:10,567 INFO L140 encePairwiseOnDemand]: 37/47 looper letters, 93 selfloop transitions, 45 changer transitions 4/155 dead transitions. [2024-10-13 12:40:10,568 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 69 places, 155 transitions, 1240 flow [2024-10-13 12:40:10,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-13 12:40:10,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-10-13 12:40:10,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 167 transitions. [2024-10-13 12:40:10,569 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7106382978723405 [2024-10-13 12:40:10,569 INFO L175 Difference]: Start difference. First operand has 65 places, 102 transitions, 718 flow. Second operand 5 states and 167 transitions. [2024-10-13 12:40:10,570 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 69 places, 155 transitions, 1240 flow [2024-10-13 12:40:10,588 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 69 places, 155 transitions, 1226 flow, removed 7 selfloop flow, removed 0 redundant places. [2024-10-13 12:40:10,590 INFO L231 Difference]: Finished difference. Result has 71 places, 111 transitions, 931 flow [2024-10-13 12:40:10,590 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=47, PETRI_DIFFERENCE_MINUEND_FLOW=693, PETRI_DIFFERENCE_MINUEND_PLACES=65, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=101, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=34, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=65, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=931, PETRI_PLACES=71, PETRI_TRANSITIONS=111} [2024-10-13 12:40:10,591 INFO L277 CegarLoopForPetriNet]: 55 programPoint places, 16 predicate places. [2024-10-13 12:40:10,592 INFO L471 AbstractCegarLoop]: Abstraction has has 71 places, 111 transitions, 931 flow [2024-10-13 12:40:10,593 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 21.0) internal successors, (105), 5 states have internal predecessors, (105), 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) [2024-10-13 12:40:10,593 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 12:40:10,593 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 12:40:10,593 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-13 12:40:10,593 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-10-13 12:40:10,594 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 12:40:10,594 INFO L85 PathProgramCache]: Analyzing trace with hash 1603875200, now seen corresponding path program 6 times [2024-10-13 12:40:10,594 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 12:40:10,594 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1509161670] [2024-10-13 12:40:10,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 12:40:10,595 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 12:40:10,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:40:10,699 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 12:40:10,699 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 12:40:10,699 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1509161670] [2024-10-13 12:40:10,699 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1509161670] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 12:40:10,699 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 12:40:10,699 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-13 12:40:10,700 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1667854839] [2024-10-13 12:40:10,700 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 12:40:10,700 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-13 12:40:10,700 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 12:40:10,701 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-13 12:40:10,701 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-10-13 12:40:10,701 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 15 out of 47 [2024-10-13 12:40:10,701 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 71 places, 111 transitions, 931 flow. Second operand has 6 states, 6 states have (on average 20.0) internal successors, (120), 6 states have internal predecessors, (120), 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) [2024-10-13 12:40:10,701 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 12:40:10,701 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 15 of 47 [2024-10-13 12:40:10,701 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 12:40:11,729 INFO L124 PetriNetUnfolderBase]: 9713/15442 cut-off events. [2024-10-13 12:40:11,730 INFO L125 PetriNetUnfolderBase]: For 41725/42451 co-relation queries the response was YES. [2024-10-13 12:40:11,767 INFO L83 FinitePrefix]: Finished finitePrefix Result has 53652 conditions, 15442 events. 9713/15442 cut-off events. For 41725/42451 co-relation queries the response was YES. Maximal size of possible extension queue 747. Compared 108765 event pairs, 1954 based on Foata normal form. 421/15466 useless extension candidates. Maximal degree in co-relation 16299. Up to 5203 conditions per place. [2024-10-13 12:40:11,818 INFO L140 encePairwiseOnDemand]: 37/47 looper letters, 88 selfloop transitions, 70 changer transitions 2/173 dead transitions. [2024-10-13 12:40:11,819 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 76 places, 173 transitions, 1492 flow [2024-10-13 12:40:11,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-13 12:40:11,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-13 12:40:11,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 205 transitions. [2024-10-13 12:40:11,824 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7269503546099291 [2024-10-13 12:40:11,824 INFO L175 Difference]: Start difference. First operand has 71 places, 111 transitions, 931 flow. Second operand 6 states and 205 transitions. [2024-10-13 12:40:11,824 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 76 places, 173 transitions, 1492 flow [2024-10-13 12:40:11,848 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 74 places, 173 transitions, 1435 flow, removed 2 selfloop flow, removed 2 redundant places. [2024-10-13 12:40:11,850 INFO L231 Difference]: Finished difference. Result has 75 places, 114 transitions, 1086 flow [2024-10-13 12:40:11,850 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=47, PETRI_DIFFERENCE_MINUEND_FLOW=874, PETRI_DIFFERENCE_MINUEND_PLACES=69, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=110, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=65, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=45, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1086, PETRI_PLACES=75, PETRI_TRANSITIONS=114} [2024-10-13 12:40:11,851 INFO L277 CegarLoopForPetriNet]: 55 programPoint places, 20 predicate places. [2024-10-13 12:40:11,851 INFO L471 AbstractCegarLoop]: Abstraction has has 75 places, 114 transitions, 1086 flow [2024-10-13 12:40:11,851 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 20.0) internal successors, (120), 6 states have internal predecessors, (120), 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) [2024-10-13 12:40:11,851 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 12:40:11,852 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 12:40:11,852 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-13 12:40:11,852 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-10-13 12:40:11,852 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 12:40:11,852 INFO L85 PathProgramCache]: Analyzing trace with hash 1855481396, now seen corresponding path program 7 times [2024-10-13 12:40:11,853 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 12:40:11,853 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [500666183] [2024-10-13 12:40:11,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 12:40:11,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 12:40:11,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:40:11,966 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 12:40:11,967 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 12:40:11,967 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [500666183] [2024-10-13 12:40:11,967 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [500666183] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 12:40:11,967 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 12:40:11,967 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-13 12:40:11,968 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1377375806] [2024-10-13 12:40:11,969 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 12:40:11,969 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-13 12:40:11,970 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 12:40:11,970 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-13 12:40:11,970 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-10-13 12:40:11,970 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 15 out of 47 [2024-10-13 12:40:11,971 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 75 places, 114 transitions, 1086 flow. Second operand has 7 states, 7 states have (on average 19.285714285714285) internal successors, (135), 7 states have internal predecessors, (135), 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) [2024-10-13 12:40:11,972 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 12:40:11,972 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 15 of 47 [2024-10-13 12:40:11,973 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 12:40:13,409 INFO L124 PetriNetUnfolderBase]: 9975/16000 cut-off events. [2024-10-13 12:40:13,409 INFO L125 PetriNetUnfolderBase]: For 55942/56755 co-relation queries the response was YES. [2024-10-13 12:40:13,473 INFO L83 FinitePrefix]: Finished finitePrefix Result has 58627 conditions, 16000 events. 9975/16000 cut-off events. For 55942/56755 co-relation queries the response was YES. Maximal size of possible extension queue 779. Compared 114978 event pairs, 2068 based on Foata normal form. 445/16034 useless extension candidates. Maximal degree in co-relation 18302. Up to 5235 conditions per place. [2024-10-13 12:40:13,540 INFO L140 encePairwiseOnDemand]: 37/47 looper letters, 106 selfloop transitions, 89 changer transitions 1/209 dead transitions. [2024-10-13 12:40:13,540 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 82 places, 209 transitions, 2005 flow [2024-10-13 12:40:13,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-13 12:40:13,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-10-13 12:40:13,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 263 transitions. [2024-10-13 12:40:13,543 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.699468085106383 [2024-10-13 12:40:13,543 INFO L175 Difference]: Start difference. First operand has 75 places, 114 transitions, 1086 flow. Second operand 8 states and 263 transitions. [2024-10-13 12:40:13,543 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 82 places, 209 transitions, 2005 flow [2024-10-13 12:40:13,586 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 77 places, 209 transitions, 1820 flow, removed 4 selfloop flow, removed 5 redundant places. [2024-10-13 12:40:13,588 INFO L231 Difference]: Finished difference. Result has 79 places, 133 transitions, 1401 flow [2024-10-13 12:40:13,588 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=47, PETRI_DIFFERENCE_MINUEND_FLOW=945, PETRI_DIFFERENCE_MINUEND_PLACES=70, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=114, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=70, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=44, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=1401, PETRI_PLACES=79, PETRI_TRANSITIONS=133} [2024-10-13 12:40:13,589 INFO L277 CegarLoopForPetriNet]: 55 programPoint places, 24 predicate places. [2024-10-13 12:40:13,589 INFO L471 AbstractCegarLoop]: Abstraction has has 79 places, 133 transitions, 1401 flow [2024-10-13 12:40:13,590 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 19.285714285714285) internal successors, (135), 7 states have internal predecessors, (135), 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) [2024-10-13 12:40:13,590 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 12:40:13,591 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 12:40:13,591 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-13 12:40:13,591 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-10-13 12:40:13,592 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 12:40:13,592 INFO L85 PathProgramCache]: Analyzing trace with hash 147208774, now seen corresponding path program 8 times [2024-10-13 12:40:13,592 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 12:40:13,592 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1865250859] [2024-10-13 12:40:13,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 12:40:13,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 12:40:13,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:40:13,697 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 12:40:13,697 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 12:40:13,697 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1865250859] [2024-10-13 12:40:13,698 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1865250859] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 12:40:13,698 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 12:40:13,698 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-13 12:40:13,698 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [656735132] [2024-10-13 12:40:13,698 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 12:40:13,699 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-13 12:40:13,699 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 12:40:13,699 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-13 12:40:13,699 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-10-13 12:40:13,700 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 15 out of 47 [2024-10-13 12:40:13,700 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 79 places, 133 transitions, 1401 flow. Second operand has 7 states, 7 states have (on average 19.285714285714285) internal successors, (135), 7 states have internal predecessors, (135), 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) [2024-10-13 12:40:13,700 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 12:40:13,700 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 15 of 47 [2024-10-13 12:40:13,700 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 12:40:14,949 INFO L124 PetriNetUnfolderBase]: 8918/14509 cut-off events. [2024-10-13 12:40:14,949 INFO L125 PetriNetUnfolderBase]: For 48999/49580 co-relation queries the response was YES. [2024-10-13 12:40:15,007 INFO L83 FinitePrefix]: Finished finitePrefix Result has 53517 conditions, 14509 events. 8918/14509 cut-off events. For 48999/49580 co-relation queries the response was YES. Maximal size of possible extension queue 690. Compared 104000 event pairs, 1840 based on Foata normal form. 482/14662 useless extension candidates. Maximal degree in co-relation 15852. Up to 4669 conditions per place. [2024-10-13 12:40:15,060 INFO L140 encePairwiseOnDemand]: 37/47 looper letters, 102 selfloop transitions, 96 changer transitions 15/226 dead transitions. [2024-10-13 12:40:15,061 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 86 places, 226 transitions, 2299 flow [2024-10-13 12:40:15,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-13 12:40:15,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-10-13 12:40:15,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 267 transitions. [2024-10-13 12:40:15,062 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7101063829787234 [2024-10-13 12:40:15,062 INFO L175 Difference]: Start difference. First operand has 79 places, 133 transitions, 1401 flow. Second operand 8 states and 267 transitions. [2024-10-13 12:40:15,062 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 86 places, 226 transitions, 2299 flow [2024-10-13 12:40:15,108 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 83 places, 226 transitions, 2169 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-10-13 12:40:15,113 INFO L231 Difference]: Finished difference. Result has 85 places, 140 transitions, 1595 flow [2024-10-13 12:40:15,113 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=47, PETRI_DIFFERENCE_MINUEND_FLOW=1235, PETRI_DIFFERENCE_MINUEND_PLACES=76, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=129, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=82, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=47, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=1595, PETRI_PLACES=85, PETRI_TRANSITIONS=140} [2024-10-13 12:40:15,114 INFO L277 CegarLoopForPetriNet]: 55 programPoint places, 30 predicate places. [2024-10-13 12:40:15,114 INFO L471 AbstractCegarLoop]: Abstraction has has 85 places, 140 transitions, 1595 flow [2024-10-13 12:40:15,114 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 19.285714285714285) internal successors, (135), 7 states have internal predecessors, (135), 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) [2024-10-13 12:40:15,114 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 12:40:15,115 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 12:40:15,115 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-13 12:40:15,117 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-10-13 12:40:15,117 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 12:40:15,118 INFO L85 PathProgramCache]: Analyzing trace with hash -27328696, now seen corresponding path program 9 times [2024-10-13 12:40:15,118 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 12:40:15,118 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1656886305] [2024-10-13 12:40:15,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 12:40:15,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 12:40:15,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:40:15,270 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 12:40:15,271 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 12:40:15,271 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1656886305] [2024-10-13 12:40:15,271 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1656886305] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 12:40:15,271 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 12:40:15,271 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-13 12:40:15,272 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1957001384] [2024-10-13 12:40:15,272 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 12:40:15,272 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-13 12:40:15,273 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 12:40:15,274 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-13 12:40:15,274 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-10-13 12:40:15,275 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 15 out of 47 [2024-10-13 12:40:15,275 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 85 places, 140 transitions, 1595 flow. Second operand has 7 states, 7 states have (on average 19.285714285714285) internal successors, (135), 7 states have internal predecessors, (135), 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) [2024-10-13 12:40:15,277 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 12:40:15,277 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 15 of 47 [2024-10-13 12:40:15,277 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 12:40:16,374 INFO L124 PetriNetUnfolderBase]: 7433/12350 cut-off events. [2024-10-13 12:40:16,374 INFO L125 PetriNetUnfolderBase]: For 47073/47455 co-relation queries the response was YES. [2024-10-13 12:40:16,414 INFO L83 FinitePrefix]: Finished finitePrefix Result has 47332 conditions, 12350 events. 7433/12350 cut-off events. For 47073/47455 co-relation queries the response was YES. Maximal size of possible extension queue 544. Compared 88076 event pairs, 1590 based on Foata normal form. 335/12497 useless extension candidates. Maximal degree in co-relation 14190. Up to 3795 conditions per place. [2024-10-13 12:40:16,448 INFO L140 encePairwiseOnDemand]: 37/47 looper letters, 102 selfloop transitions, 106 changer transitions 22/243 dead transitions. [2024-10-13 12:40:16,448 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 92 places, 243 transitions, 2756 flow [2024-10-13 12:40:16,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-13 12:40:16,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-10-13 12:40:16,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 264 transitions. [2024-10-13 12:40:16,449 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7021276595744681 [2024-10-13 12:40:16,449 INFO L175 Difference]: Start difference. First operand has 85 places, 140 transitions, 1595 flow. Second operand 8 states and 264 transitions. [2024-10-13 12:40:16,449 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 92 places, 243 transitions, 2756 flow [2024-10-13 12:40:16,483 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 90 places, 243 transitions, 2715 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-13 12:40:16,486 INFO L231 Difference]: Finished difference. Result has 92 places, 149 transitions, 1949 flow [2024-10-13 12:40:16,486 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=47, PETRI_DIFFERENCE_MINUEND_FLOW=1557, PETRI_DIFFERENCE_MINUEND_PLACES=83, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=139, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=89, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=50, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=1949, PETRI_PLACES=92, PETRI_TRANSITIONS=149} [2024-10-13 12:40:16,486 INFO L277 CegarLoopForPetriNet]: 55 programPoint places, 37 predicate places. [2024-10-13 12:40:16,486 INFO L471 AbstractCegarLoop]: Abstraction has has 92 places, 149 transitions, 1949 flow [2024-10-13 12:40:16,487 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 19.285714285714285) internal successors, (135), 7 states have internal predecessors, (135), 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) [2024-10-13 12:40:16,487 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 12:40:16,487 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 12:40:16,487 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-13 12:40:16,487 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-10-13 12:40:16,487 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 12:40:16,487 INFO L85 PathProgramCache]: Analyzing trace with hash -912931568, now seen corresponding path program 10 times [2024-10-13 12:40:16,488 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 12:40:16,488 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1250224959] [2024-10-13 12:40:16,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 12:40:16,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 12:40:16,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:40:16,594 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 12:40:16,595 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 12:40:16,595 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1250224959] [2024-10-13 12:40:16,595 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1250224959] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 12:40:16,595 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 12:40:16,595 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-13 12:40:16,595 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2108367876] [2024-10-13 12:40:16,598 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 12:40:16,599 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-13 12:40:16,599 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 12:40:16,599 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-13 12:40:16,599 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-13 12:40:16,600 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 15 out of 47 [2024-10-13 12:40:16,600 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 92 places, 149 transitions, 1949 flow. Second operand has 7 states, 7 states have (on average 19.285714285714285) internal successors, (135), 7 states have internal predecessors, (135), 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) [2024-10-13 12:40:16,600 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 12:40:16,600 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 15 of 47 [2024-10-13 12:40:16,600 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 12:40:17,611 INFO L124 PetriNetUnfolderBase]: 6761/11208 cut-off events. [2024-10-13 12:40:17,612 INFO L125 PetriNetUnfolderBase]: For 51065/51363 co-relation queries the response was YES. [2024-10-13 12:40:17,657 INFO L83 FinitePrefix]: Finished finitePrefix Result has 44290 conditions, 11208 events. 6761/11208 cut-off events. For 51065/51363 co-relation queries the response was YES. Maximal size of possible extension queue 488. Compared 78337 event pairs, 1530 based on Foata normal form. 162/11190 useless extension candidates. Maximal degree in co-relation 15457. Up to 3855 conditions per place. [2024-10-13 12:40:17,692 INFO L140 encePairwiseOnDemand]: 37/47 looper letters, 84 selfloop transitions, 138 changer transitions 13/248 dead transitions. [2024-10-13 12:40:17,693 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 99 places, 248 transitions, 3086 flow [2024-10-13 12:40:17,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-13 12:40:17,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-10-13 12:40:17,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 249 transitions. [2024-10-13 12:40:17,694 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6622340425531915 [2024-10-13 12:40:17,694 INFO L175 Difference]: Start difference. First operand has 92 places, 149 transitions, 1949 flow. Second operand 8 states and 249 transitions. [2024-10-13 12:40:17,694 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 99 places, 248 transitions, 3086 flow [2024-10-13 12:40:17,764 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 97 places, 248 transitions, 3031 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-13 12:40:17,767 INFO L231 Difference]: Finished difference. Result has 98 places, 175 transitions, 2529 flow [2024-10-13 12:40:17,767 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=47, PETRI_DIFFERENCE_MINUEND_FLOW=1909, PETRI_DIFFERENCE_MINUEND_PLACES=90, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=149, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=113, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=36, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=2529, PETRI_PLACES=98, PETRI_TRANSITIONS=175} [2024-10-13 12:40:17,768 INFO L277 CegarLoopForPetriNet]: 55 programPoint places, 43 predicate places. [2024-10-13 12:40:17,768 INFO L471 AbstractCegarLoop]: Abstraction has has 98 places, 175 transitions, 2529 flow [2024-10-13 12:40:17,768 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 19.285714285714285) internal successors, (135), 7 states have internal predecessors, (135), 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) [2024-10-13 12:40:17,768 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 12:40:17,769 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 12:40:17,769 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-13 12:40:17,769 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-10-13 12:40:17,769 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 12:40:17,769 INFO L85 PathProgramCache]: Analyzing trace with hash 1167246352, now seen corresponding path program 11 times [2024-10-13 12:40:17,769 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 12:40:17,769 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [944767002] [2024-10-13 12:40:17,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 12:40:17,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 12:40:17,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:40:17,876 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 12:40:17,877 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 12:40:17,877 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [944767002] [2024-10-13 12:40:17,877 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [944767002] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 12:40:17,877 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 12:40:17,877 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-13 12:40:17,877 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [660076458] [2024-10-13 12:40:17,877 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 12:40:17,878 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-13 12:40:17,878 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 12:40:17,878 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-13 12:40:17,878 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-10-13 12:40:17,879 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 15 out of 47 [2024-10-13 12:40:17,879 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 98 places, 175 transitions, 2529 flow. Second operand has 9 states, 9 states have (on average 18.333333333333332) internal successors, (165), 9 states have internal predecessors, (165), 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) [2024-10-13 12:40:17,879 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 12:40:17,879 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 15 of 47 [2024-10-13 12:40:17,879 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 12:40:19,040 INFO L124 PetriNetUnfolderBase]: 6462/10827 cut-off events. [2024-10-13 12:40:19,040 INFO L125 PetriNetUnfolderBase]: For 63092/63544 co-relation queries the response was YES. [2024-10-13 12:40:19,087 INFO L83 FinitePrefix]: Finished finitePrefix Result has 44541 conditions, 10827 events. 6462/10827 cut-off events. For 63092/63544 co-relation queries the response was YES. Maximal size of possible extension queue 475. Compared 76625 event pairs, 1467 based on Foata normal form. 336/11007 useless extension candidates. Maximal degree in co-relation 15749. Up to 3655 conditions per place. [2024-10-13 12:40:19,122 INFO L140 encePairwiseOnDemand]: 37/47 looper letters, 105 selfloop transitions, 144 changer transitions 18/280 dead transitions. [2024-10-13 12:40:19,122 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 109 places, 280 transitions, 3678 flow [2024-10-13 12:40:19,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-13 12:40:19,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2024-10-13 12:40:19,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 345 transitions. [2024-10-13 12:40:19,124 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6117021276595744 [2024-10-13 12:40:19,124 INFO L175 Difference]: Start difference. First operand has 98 places, 175 transitions, 2529 flow. Second operand 12 states and 345 transitions. [2024-10-13 12:40:19,124 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 109 places, 280 transitions, 3678 flow [2024-10-13 12:40:19,198 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 104 places, 280 transitions, 3443 flow, removed 30 selfloop flow, removed 5 redundant places. [2024-10-13 12:40:19,202 INFO L231 Difference]: Finished difference. Result has 106 places, 181 transitions, 2700 flow [2024-10-13 12:40:19,202 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=47, PETRI_DIFFERENCE_MINUEND_FLOW=2328, PETRI_DIFFERENCE_MINUEND_PLACES=93, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=174, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=132, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=42, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=2700, PETRI_PLACES=106, PETRI_TRANSITIONS=181} [2024-10-13 12:40:19,202 INFO L277 CegarLoopForPetriNet]: 55 programPoint places, 51 predicate places. [2024-10-13 12:40:19,203 INFO L471 AbstractCegarLoop]: Abstraction has has 106 places, 181 transitions, 2700 flow [2024-10-13 12:40:19,203 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 18.333333333333332) internal successors, (165), 9 states have internal predecessors, (165), 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) [2024-10-13 12:40:19,203 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 12:40:19,203 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 12:40:19,203 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-10-13 12:40:19,203 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-10-13 12:40:19,204 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 12:40:19,204 INFO L85 PathProgramCache]: Analyzing trace with hash -1828433230, now seen corresponding path program 12 times [2024-10-13 12:40:19,204 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 12:40:19,204 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1326414798] [2024-10-13 12:40:19,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 12:40:19,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 12:40:19,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:40:19,313 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 12:40:19,313 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 12:40:19,313 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1326414798] [2024-10-13 12:40:19,313 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1326414798] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 12:40:19,313 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 12:40:19,314 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-13 12:40:19,314 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [517025574] [2024-10-13 12:40:19,314 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 12:40:19,314 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-13 12:40:19,314 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 12:40:19,315 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-13 12:40:19,315 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-10-13 12:40:19,315 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 15 out of 47 [2024-10-13 12:40:19,315 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 106 places, 181 transitions, 2700 flow. Second operand has 9 states, 9 states have (on average 18.333333333333332) internal successors, (165), 9 states have internal predecessors, (165), 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) [2024-10-13 12:40:19,315 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 12:40:19,316 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 15 of 47 [2024-10-13 12:40:19,316 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 12:40:20,524 INFO L124 PetriNetUnfolderBase]: 6554/11017 cut-off events. [2024-10-13 12:40:20,525 INFO L125 PetriNetUnfolderBase]: For 74187/74477 co-relation queries the response was YES. [2024-10-13 12:40:20,570 INFO L83 FinitePrefix]: Finished finitePrefix Result has 46738 conditions, 11017 events. 6554/11017 cut-off events. For 74187/74477 co-relation queries the response was YES. Maximal size of possible extension queue 510. Compared 78614 event pairs, 1585 based on Foata normal form. 300/11159 useless extension candidates. Maximal degree in co-relation 16696. Up to 3714 conditions per place. [2024-10-13 12:40:20,604 INFO L140 encePairwiseOnDemand]: 37/47 looper letters, 89 selfloop transitions, 120 changer transitions 68/290 dead transitions. [2024-10-13 12:40:20,604 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 117 places, 290 transitions, 3915 flow [2024-10-13 12:40:20,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-13 12:40:20,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2024-10-13 12:40:20,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 351 transitions. [2024-10-13 12:40:20,606 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6223404255319149 [2024-10-13 12:40:20,607 INFO L175 Difference]: Start difference. First operand has 106 places, 181 transitions, 2700 flow. Second operand 12 states and 351 transitions. [2024-10-13 12:40:20,607 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 117 places, 290 transitions, 3915 flow [2024-10-13 12:40:20,693 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 114 places, 290 transitions, 3787 flow, removed 2 selfloop flow, removed 3 redundant places. [2024-10-13 12:40:20,696 INFO L231 Difference]: Finished difference. Result has 116 places, 157 transitions, 2366 flow [2024-10-13 12:40:20,696 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=47, PETRI_DIFFERENCE_MINUEND_FLOW=2586, PETRI_DIFFERENCE_MINUEND_PLACES=103, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=181, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=120, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=61, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=2366, PETRI_PLACES=116, PETRI_TRANSITIONS=157} [2024-10-13 12:40:20,697 INFO L277 CegarLoopForPetriNet]: 55 programPoint places, 61 predicate places. [2024-10-13 12:40:20,697 INFO L471 AbstractCegarLoop]: Abstraction has has 116 places, 157 transitions, 2366 flow [2024-10-13 12:40:20,697 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 18.333333333333332) internal successors, (165), 9 states have internal predecessors, (165), 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) [2024-10-13 12:40:20,697 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 12:40:20,701 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 12:40:20,701 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-10-13 12:40:20,701 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-10-13 12:40:20,702 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 12:40:20,702 INFO L85 PathProgramCache]: Analyzing trace with hash -791597430, now seen corresponding path program 13 times [2024-10-13 12:40:20,702 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 12:40:20,702 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1614725243] [2024-10-13 12:40:20,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 12:40:20,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 12:40:20,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:40:20,816 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 12:40:20,820 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 12:40:20,820 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1614725243] [2024-10-13 12:40:20,820 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1614725243] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 12:40:20,820 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 12:40:20,820 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-13 12:40:20,820 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [388426038] [2024-10-13 12:40:20,820 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 12:40:20,821 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-13 12:40:20,821 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 12:40:20,821 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-13 12:40:20,821 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-10-13 12:40:20,821 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 15 out of 47 [2024-10-13 12:40:20,822 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 116 places, 157 transitions, 2366 flow. Second operand has 9 states, 9 states have (on average 18.333333333333332) internal successors, (165), 9 states have internal predecessors, (165), 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) [2024-10-13 12:40:20,822 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 12:40:20,822 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 15 of 47 [2024-10-13 12:40:20,822 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 12:40:21,714 INFO L124 PetriNetUnfolderBase]: 5861/9794 cut-off events. [2024-10-13 12:40:21,714 INFO L125 PetriNetUnfolderBase]: For 77133/77481 co-relation queries the response was YES. [2024-10-13 12:40:21,745 INFO L83 FinitePrefix]: Finished finitePrefix Result has 43076 conditions, 9794 events. 5861/9794 cut-off events. For 77133/77481 co-relation queries the response was YES. Maximal size of possible extension queue 454. Compared 67689 event pairs, 1495 based on Foata normal form. 288/9938 useless extension candidates. Maximal degree in co-relation 16727. Up to 3472 conditions per place. [2024-10-13 12:40:21,768 INFO L140 encePairwiseOnDemand]: 37/47 looper letters, 97 selfloop transitions, 120 changer transitions 31/261 dead transitions. [2024-10-13 12:40:21,768 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 124 places, 261 transitions, 3493 flow [2024-10-13 12:40:21,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-13 12:40:21,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2024-10-13 12:40:21,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 346 transitions. [2024-10-13 12:40:21,769 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6134751773049646 [2024-10-13 12:40:21,769 INFO L175 Difference]: Start difference. First operand has 116 places, 157 transitions, 2366 flow. Second operand 12 states and 346 transitions. [2024-10-13 12:40:21,769 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 124 places, 261 transitions, 3493 flow [2024-10-13 12:40:21,847 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 115 places, 261 transitions, 3181 flow, removed 18 selfloop flow, removed 9 redundant places. [2024-10-13 12:40:21,850 INFO L231 Difference]: Finished difference. Result has 117 places, 156 transitions, 2316 flow [2024-10-13 12:40:21,850 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=47, PETRI_DIFFERENCE_MINUEND_FLOW=2094, PETRI_DIFFERENCE_MINUEND_PLACES=104, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=156, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=109, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=47, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=2316, PETRI_PLACES=117, PETRI_TRANSITIONS=156} [2024-10-13 12:40:21,851 INFO L277 CegarLoopForPetriNet]: 55 programPoint places, 62 predicate places. [2024-10-13 12:40:21,851 INFO L471 AbstractCegarLoop]: Abstraction has has 117 places, 156 transitions, 2316 flow [2024-10-13 12:40:21,851 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 18.333333333333332) internal successors, (165), 9 states have internal predecessors, (165), 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) [2024-10-13 12:40:21,851 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 12:40:21,851 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 12:40:21,851 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-10-13 12:40:21,852 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-10-13 12:40:21,852 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 12:40:21,852 INFO L85 PathProgramCache]: Analyzing trace with hash 2127889166, now seen corresponding path program 14 times [2024-10-13 12:40:21,852 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 12:40:21,852 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [138155144] [2024-10-13 12:40:21,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 12:40:21,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 12:40:21,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:40:21,955 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 12:40:21,955 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 12:40:21,955 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [138155144] [2024-10-13 12:40:21,956 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [138155144] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 12:40:21,956 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 12:40:21,956 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-13 12:40:21,956 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1677782403] [2024-10-13 12:40:21,956 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 12:40:21,956 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-13 12:40:21,957 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 12:40:21,957 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-13 12:40:21,957 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-10-13 12:40:21,957 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 15 out of 47 [2024-10-13 12:40:21,958 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 117 places, 156 transitions, 2316 flow. Second operand has 9 states, 9 states have (on average 18.333333333333332) internal successors, (165), 9 states have internal predecessors, (165), 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) [2024-10-13 12:40:21,958 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 12:40:21,958 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 15 of 47 [2024-10-13 12:40:21,958 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 12:40:22,237 INFO L124 PetriNetUnfolderBase]: 720/1382 cut-off events. [2024-10-13 12:40:22,237 INFO L125 PetriNetUnfolderBase]: For 10286/10286 co-relation queries the response was YES. [2024-10-13 12:40:22,241 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7556 conditions, 1382 events. 720/1382 cut-off events. For 10286/10286 co-relation queries the response was YES. Maximal size of possible extension queue 127. Compared 8059 event pairs, 84 based on Foata normal form. 256/1638 useless extension candidates. Maximal degree in co-relation 5621. Up to 370 conditions per place. [2024-10-13 12:40:22,242 INFO L140 encePairwiseOnDemand]: 39/47 looper letters, 0 selfloop transitions, 0 changer transitions 123/123 dead transitions. [2024-10-13 12:40:22,242 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 113 places, 123 transitions, 1634 flow [2024-10-13 12:40:22,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-13 12:40:22,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2024-10-13 12:40:22,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 276 transitions. [2024-10-13 12:40:22,244 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.48936170212765956 [2024-10-13 12:40:22,244 INFO L175 Difference]: Start difference. First operand has 117 places, 156 transitions, 2316 flow. Second operand 12 states and 276 transitions. [2024-10-13 12:40:22,244 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 113 places, 123 transitions, 1634 flow [2024-10-13 12:40:22,254 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 102 places, 123 transitions, 1507 flow, removed 16 selfloop flow, removed 11 redundant places. [2024-10-13 12:40:22,255 INFO L231 Difference]: Finished difference. Result has 102 places, 0 transitions, 0 flow [2024-10-13 12:40:22,255 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=47, PETRI_DIFFERENCE_MINUEND_FLOW=1013, PETRI_DIFFERENCE_MINUEND_PLACES=91, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=72, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=72, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=0, PETRI_PLACES=102, PETRI_TRANSITIONS=0} [2024-10-13 12:40:22,255 INFO L277 CegarLoopForPetriNet]: 55 programPoint places, 47 predicate places. [2024-10-13 12:40:22,255 INFO L471 AbstractCegarLoop]: Abstraction has has 102 places, 0 transitions, 0 flow [2024-10-13 12:40:22,255 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 18.333333333333332) internal successors, (165), 9 states have internal predecessors, (165), 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) [2024-10-13 12:40:22,257 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (5 of 6 remaining) [2024-10-13 12:40:22,258 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (4 of 6 remaining) [2024-10-13 12:40:22,258 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 6 remaining) [2024-10-13 12:40:22,258 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 6 remaining) [2024-10-13 12:40:22,258 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 6 remaining) [2024-10-13 12:40:22,258 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 6 remaining) [2024-10-13 12:40:22,258 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-10-13 12:40:22,258 INFO L407 BasicCegarLoop]: Path program histogram: [14] [2024-10-13 12:40:22,260 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-10-13 12:40:22,261 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-13 12:40:22,264 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 12:40:22 BasicIcfg [2024-10-13 12:40:22,264 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-13 12:40:22,264 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-13 12:40:22,264 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-13 12:40:22,264 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-13 12:40:22,265 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:40:00" (3/4) ... [2024-10-13 12:40:22,266 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-13 12:40:22,268 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-10-13 12:40:22,268 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2024-10-13 12:40:22,268 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2024-10-13 12:40:22,268 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread4 [2024-10-13 12:40:22,272 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 91 nodes and edges [2024-10-13 12:40:22,272 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2024-10-13 12:40:22,272 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-10-13 12:40:22,272 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-10-13 12:40:22,335 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-10-13 12:40:22,337 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-10-13 12:40:22,337 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-13 12:40:22,338 INFO L158 Benchmark]: Toolchain (without parser) took 22601.98ms. Allocated memory was 176.2MB in the beginning and 6.2GB in the end (delta: 6.0GB). Free memory was 107.2MB in the beginning and 5.2GB in the end (delta: -5.1GB). Peak memory consumption was 883.0MB. Max. memory is 16.1GB. [2024-10-13 12:40:22,338 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 176.2MB. Free memory was 133.6MB in the beginning and 133.4MB in the end (delta: 160.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-13 12:40:22,338 INFO L158 Benchmark]: CACSL2BoogieTranslator took 308.14ms. Allocated memory is still 176.2MB. Free memory was 107.1MB in the beginning and 93.0MB in the end (delta: 14.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-10-13 12:40:22,338 INFO L158 Benchmark]: Boogie Procedure Inliner took 67.84ms. Allocated memory is still 176.2MB. Free memory was 92.8MB in the beginning and 149.3MB in the end (delta: -56.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-10-13 12:40:22,338 INFO L158 Benchmark]: Boogie Preprocessor took 79.80ms. Allocated memory is still 176.2MB. Free memory was 149.3MB in the beginning and 146.5MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-13 12:40:22,339 INFO L158 Benchmark]: RCFGBuilder took 607.02ms. Allocated memory is still 176.2MB. Free memory was 146.5MB in the beginning and 101.1MB in the end (delta: 45.5MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. [2024-10-13 12:40:22,339 INFO L158 Benchmark]: TraceAbstraction took 21458.17ms. Allocated memory was 176.2MB in the beginning and 6.2GB in the end (delta: 6.0GB). Free memory was 100.4MB in the beginning and 5.2GB in the end (delta: -5.1GB). Peak memory consumption was 872.4MB. Max. memory is 16.1GB. [2024-10-13 12:40:22,339 INFO L158 Benchmark]: Witness Printer took 73.28ms. Allocated memory is still 6.2GB. Free memory was 5.2GB in the beginning and 5.2GB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-13 12:40:22,340 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 176.2MB. Free memory was 133.6MB in the beginning and 133.4MB in the end (delta: 160.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 308.14ms. Allocated memory is still 176.2MB. Free memory was 107.1MB in the beginning and 93.0MB in the end (delta: 14.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 67.84ms. Allocated memory is still 176.2MB. Free memory was 92.8MB in the beginning and 149.3MB in the end (delta: -56.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 79.80ms. Allocated memory is still 176.2MB. Free memory was 149.3MB in the beginning and 146.5MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 607.02ms. Allocated memory is still 176.2MB. Free memory was 146.5MB in the beginning and 101.1MB in the end (delta: 45.5MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. * TraceAbstraction took 21458.17ms. Allocated memory was 176.2MB in the beginning and 6.2GB in the end (delta: 6.0GB). Free memory was 100.4MB in the beginning and 5.2GB in the end (delta: -5.1GB). Peak memory consumption was 872.4MB. Max. memory is 16.1GB. * Witness Printer took 73.28ms. Allocated memory is still 6.2GB. Free memory was 5.2GB in the beginning and 5.2GB 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: 21]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 120]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 9 procedures, 81 locations, 6 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 21.3s, OverallIterations: 14, TraceHistogramMax: 1, PathProgramHistogramMax: 14, EmptinessCheckTime: 0.0s, AutomataDifference: 18.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1012 SdHoareTripleChecker+Valid, 2.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1011 mSDsluCounter, 3 SdHoareTripleChecker+Invalid, 2.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1 mSDsCounter, 267 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3763 IncrementalHoareTripleChecker+Invalid, 4030 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 267 mSolverCounterUnsat, 2 mSDtfsCounter, 3763 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 144 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 109 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 133 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2700occurred in iteration=11, InterpolantAutomatonStates: 111, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 560 NumberOfCodeBlocks, 560 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 546 ConstructedInterpolants, 0 QuantifiedInterpolants, 1778 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 14 InterpolantComputations, 14 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-10-13 12:40:22,362 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE