./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/weaver/test-easy10.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 3061b6dc Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/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 ../sv-benchmarks/c/weaver/test-easy10.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 24421fae56d27ddfd314bb85e4431c40a1e6738a845aa97472d8668d2b4dde52 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-19 09:54:59,934 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 09:54:59,968 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2024-11-19 09:54:59,972 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 09:54:59,973 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 09:54:59,995 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 09:54:59,995 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 09:54:59,996 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 09:54:59,996 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-19 09:54:59,997 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-19 09:54:59,998 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-19 09:54:59,998 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-19 09:54:59,999 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 09:54:59,999 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 09:54:59,999 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 09:55:00,000 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 09:55:00,001 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-19 09:55:00,001 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 09:55:00,001 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-19 09:55:00,001 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 09:55:00,001 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-19 09:55:00,004 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-19 09:55:00,005 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-19 09:55:00,005 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-19 09:55:00,005 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-19 09:55:00,020 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 09:55:00,020 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-19 09:55:00,020 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-19 09:55:00,021 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 09:55:00,021 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 09:55:00,022 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 09:55:00,022 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-19 09:55:00,022 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-19 09:55:00,022 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 09:55:00,022 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 09:55:00,022 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-19 09:55:00,023 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-19 09:55:00,023 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-19 09:55:00,023 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-19 09:55:00,023 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-19 09:55:00,023 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-19 09:55:00,023 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-19 09:55:00,023 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 24421fae56d27ddfd314bb85e4431c40a1e6738a845aa97472d8668d2b4dde52 [2024-11-19 09:55:00,217 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 09:55:00,236 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 09:55:00,238 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 09:55:00,239 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 09:55:00,240 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 09:55:00,241 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/weaver/test-easy10.wvr.c [2024-11-19 09:55:01,461 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 09:55:01,630 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 09:55:01,631 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/test-easy10.wvr.c [2024-11-19 09:55:01,639 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/89d103b63/f4e0cf8c9a3f4057a9577b9b662e16b0/FLAG2b1861f94 [2024-11-19 09:55:02,046 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/89d103b63/f4e0cf8c9a3f4057a9577b9b662e16b0 [2024-11-19 09:55:02,048 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 09:55:02,049 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 09:55:02,050 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 09:55:02,050 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 09:55:02,054 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 09:55:02,055 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 09:55:02" (1/1) ... [2024-11-19 09:55:02,055 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@109cfa36 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:55:02, skipping insertion in model container [2024-11-19 09:55:02,055 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 09:55:02" (1/1) ... [2024-11-19 09:55:02,075 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 09:55:02,222 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 09:55:02,229 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 09:55:02,245 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 09:55:02,262 INFO L204 MainTranslator]: Completed translation [2024-11-19 09:55:02,263 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:55:02 WrapperNode [2024-11-19 09:55:02,263 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 09:55:02,264 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 09:55:02,264 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 09:55:02,265 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 09:55:02,270 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:55:02" (1/1) ... [2024-11-19 09:55:02,278 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:55:02" (1/1) ... [2024-11-19 09:55:02,301 INFO L138 Inliner]: procedures = 20, calls = 17, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 149 [2024-11-19 09:55:02,304 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 09:55:02,305 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 09:55:02,305 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 09:55:02,305 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 09:55:02,313 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:55:02" (1/1) ... [2024-11-19 09:55:02,314 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:55:02" (1/1) ... [2024-11-19 09:55:02,317 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:55:02" (1/1) ... [2024-11-19 09:55:02,334 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-19 09:55:02,334 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:55:02" (1/1) ... [2024-11-19 09:55:02,334 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:55:02" (1/1) ... [2024-11-19 09:55:02,337 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:55:02" (1/1) ... [2024-11-19 09:55:02,339 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:55:02" (1/1) ... [2024-11-19 09:55:02,344 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:55:02" (1/1) ... [2024-11-19 09:55:02,345 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:55:02" (1/1) ... [2024-11-19 09:55:02,346 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 09:55:02,347 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 09:55:02,347 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 09:55:02,347 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 09:55:02,348 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:55:02" (1/1) ... [2024-11-19 09:55:02,353 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 09:55:02,360 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 09:55:02,372 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-19 09:55:02,373 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-19 09:55:02,409 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 09:55:02,409 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-19 09:55:02,409 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-19 09:55:02,409 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-19 09:55:02,410 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-19 09:55:02,410 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-11-19 09:55:02,410 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-11-19 09:55:02,410 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2024-11-19 09:55:02,410 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2024-11-19 09:55:02,410 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-19 09:55:02,410 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 09:55:02,410 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 09:55:02,411 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-19 09:55:02,483 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 09:55:02,485 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 09:55:02,673 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-19 09:55:02,674 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 09:55:02,812 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 09:55:02,814 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-19 09:55:02,814 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 09:55:02 BoogieIcfgContainer [2024-11-19 09:55:02,815 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 09:55:02,817 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-19 09:55:02,817 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-19 09:55:02,820 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-19 09:55:02,820 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 09:55:02" (1/3) ... [2024-11-19 09:55:02,820 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f866329 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 09:55:02, skipping insertion in model container [2024-11-19 09:55:02,821 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:55:02" (2/3) ... [2024-11-19 09:55:02,821 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f866329 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 09:55:02, skipping insertion in model container [2024-11-19 09:55:02,822 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 09:55:02" (3/3) ... [2024-11-19 09:55:02,823 INFO L112 eAbstractionObserver]: Analyzing ICFG test-easy10.wvr.c [2024-11-19 09:55:02,835 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-19 09:55:02,835 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-19 09:55:02,835 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-19 09:55:02,892 INFO L143 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2024-11-19 09:55:02,919 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 75 places, 62 transitions, 152 flow [2024-11-19 09:55:02,950 INFO L124 PetriNetUnfolderBase]: 0/58 cut-off events. [2024-11-19 09:55:02,951 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-11-19 09:55:02,952 INFO L83 FinitePrefix]: Finished finitePrefix Result has 75 conditions, 58 events. 0/58 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 100 event pairs, 0 based on Foata normal form. 0/56 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2024-11-19 09:55:02,952 INFO L82 GeneralOperation]: Start removeDead. Operand has 75 places, 62 transitions, 152 flow [2024-11-19 09:55:02,955 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 70 places, 57 transitions, 138 flow [2024-11-19 09:55:02,965 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 09:55:02,973 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;@5766f956, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 09:55:02,973 INFO L334 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2024-11-19 09:55:03,013 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-19 09:55:03,014 INFO L124 PetriNetUnfolderBase]: 0/54 cut-off events. [2024-11-19 09:55:03,014 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-11-19 09:55:03,014 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 09:55:03,014 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 09:55:03,015 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)] === [2024-11-19 09:55:03,020 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 09:55:03,020 INFO L85 PathProgramCache]: Analyzing trace with hash 18254776, now seen corresponding path program 1 times [2024-11-19 09:55:03,027 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 09:55:03,027 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [76714742] [2024-11-19 09:55:03,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 09:55:03,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 09:55:03,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 09:55:03,455 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 09:55:03,456 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 09:55:03,456 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [76714742] [2024-11-19 09:55:03,456 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [76714742] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 09:55:03,456 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 09:55:03,456 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 09:55:03,458 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1969859172] [2024-11-19 09:55:03,458 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 09:55:03,464 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 09:55:03,468 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 09:55:03,484 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 09:55:03,485 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 09:55:03,490 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 33 out of 62 [2024-11-19 09:55:03,492 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 70 places, 57 transitions, 138 flow. Second operand has 3 states, 3 states have (on average 42.0) internal successors, (126), 3 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 09:55:03,493 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 09:55:03,493 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 33 of 62 [2024-11-19 09:55:03,493 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 09:55:03,697 INFO L124 PetriNetUnfolderBase]: 597/1169 cut-off events. [2024-11-19 09:55:03,697 INFO L125 PetriNetUnfolderBase]: For 124/124 co-relation queries the response was YES. [2024-11-19 09:55:03,704 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2204 conditions, 1169 events. 597/1169 cut-off events. For 124/124 co-relation queries the response was YES. Maximal size of possible extension queue 80. Compared 7091 event pairs, 424 based on Foata normal form. 26/1149 useless extension candidates. Maximal degree in co-relation 2104. Up to 853 conditions per place. [2024-11-19 09:55:03,711 INFO L140 encePairwiseOnDemand]: 58/62 looper letters, 34 selfloop transitions, 2 changer transitions 0/64 dead transitions. [2024-11-19 09:55:03,712 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 70 places, 64 transitions, 230 flow [2024-11-19 09:55:03,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 09:55:03,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-19 09:55:03,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 137 transitions. [2024-11-19 09:55:03,721 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7365591397849462 [2024-11-19 09:55:03,723 INFO L175 Difference]: Start difference. First operand has 70 places, 57 transitions, 138 flow. Second operand 3 states and 137 transitions. [2024-11-19 09:55:03,723 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 70 places, 64 transitions, 230 flow [2024-11-19 09:55:03,728 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 62 places, 64 transitions, 210 flow, removed 0 selfloop flow, removed 8 redundant places. [2024-11-19 09:55:03,730 INFO L231 Difference]: Finished difference. Result has 63 places, 55 transitions, 126 flow [2024-11-19 09:55:03,733 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=62, PETRI_DIFFERENCE_MINUEND_FLOW=118, PETRI_DIFFERENCE_MINUEND_PLACES=60, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=55, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=53, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=126, PETRI_PLACES=63, PETRI_TRANSITIONS=55} [2024-11-19 09:55:03,735 INFO L277 CegarLoopForPetriNet]: 70 programPoint places, -7 predicate places. [2024-11-19 09:55:03,735 INFO L471 AbstractCegarLoop]: Abstraction has has 63 places, 55 transitions, 126 flow [2024-11-19 09:55:03,736 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 42.0) internal successors, (126), 3 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 09:55:03,736 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 09:55:03,736 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 09:55:03,736 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-19 09:55:03,736 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)] === [2024-11-19 09:55:03,736 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 09:55:03,736 INFO L85 PathProgramCache]: Analyzing trace with hash -380765308, now seen corresponding path program 2 times [2024-11-19 09:55:03,737 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 09:55:03,737 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [330919987] [2024-11-19 09:55:03,737 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 09:55:03,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 09:55:03,763 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-19 09:55:03,764 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 09:55:03,917 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 09:55:03,918 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 09:55:03,918 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [330919987] [2024-11-19 09:55:03,918 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [330919987] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 09:55:03,918 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 09:55:03,918 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 09:55:03,918 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1187842795] [2024-11-19 09:55:03,918 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 09:55:03,919 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 09:55:03,920 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 09:55:03,920 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 09:55:03,920 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 09:55:03,922 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 33 out of 62 [2024-11-19 09:55:03,926 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 63 places, 55 transitions, 126 flow. Second operand has 3 states, 3 states have (on average 42.0) internal successors, (126), 3 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 09:55:03,926 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 09:55:03,926 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 33 of 62 [2024-11-19 09:55:03,926 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 09:55:04,091 INFO L124 PetriNetUnfolderBase]: 633/1239 cut-off events. [2024-11-19 09:55:04,092 INFO L125 PetriNetUnfolderBase]: For 128/128 co-relation queries the response was YES. [2024-11-19 09:55:04,094 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2338 conditions, 1239 events. 633/1239 cut-off events. For 128/128 co-relation queries the response was YES. Maximal size of possible extension queue 82. Compared 7515 event pairs, 156 based on Foata normal form. 9/1203 useless extension candidates. Maximal degree in co-relation 2305. Up to 825 conditions per place. [2024-11-19 09:55:04,101 INFO L140 encePairwiseOnDemand]: 59/62 looper letters, 34 selfloop transitions, 2 changer transitions 0/64 dead transitions. [2024-11-19 09:55:04,101 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 65 places, 64 transitions, 221 flow [2024-11-19 09:55:04,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 09:55:04,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-19 09:55:04,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 136 transitions. [2024-11-19 09:55:04,106 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7311827956989247 [2024-11-19 09:55:04,106 INFO L175 Difference]: Start difference. First operand has 63 places, 55 transitions, 126 flow. Second operand 3 states and 136 transitions. [2024-11-19 09:55:04,106 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 65 places, 64 transitions, 221 flow [2024-11-19 09:55:04,107 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 63 places, 64 transitions, 217 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-19 09:55:04,109 INFO L231 Difference]: Finished difference. Result has 64 places, 55 transitions, 130 flow [2024-11-19 09:55:04,109 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=62, PETRI_DIFFERENCE_MINUEND_FLOW=122, PETRI_DIFFERENCE_MINUEND_PLACES=61, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=55, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=53, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=130, PETRI_PLACES=64, PETRI_TRANSITIONS=55} [2024-11-19 09:55:04,109 INFO L277 CegarLoopForPetriNet]: 70 programPoint places, -6 predicate places. [2024-11-19 09:55:04,109 INFO L471 AbstractCegarLoop]: Abstraction has has 64 places, 55 transitions, 130 flow [2024-11-19 09:55:04,110 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 42.0) internal successors, (126), 3 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 09:55:04,110 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 09:55:04,110 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 09:55:04,110 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-19 09:55:04,110 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)] === [2024-11-19 09:55:04,111 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 09:55:04,111 INFO L85 PathProgramCache]: Analyzing trace with hash 1891291960, now seen corresponding path program 3 times [2024-11-19 09:55:04,111 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 09:55:04,111 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2002555545] [2024-11-19 09:55:04,112 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-19 09:55:04,112 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 09:55:04,138 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2024-11-19 09:55:04,138 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 09:55:04,240 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 09:55:04,241 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 09:55:04,242 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2002555545] [2024-11-19 09:55:04,242 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2002555545] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 09:55:04,242 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 09:55:04,243 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 09:55:04,243 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1707273974] [2024-11-19 09:55:04,243 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 09:55:04,243 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 09:55:04,244 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 09:55:04,245 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 09:55:04,245 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 09:55:04,247 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 33 out of 62 [2024-11-19 09:55:04,247 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 64 places, 55 transitions, 130 flow. Second operand has 3 states, 3 states have (on average 42.0) internal successors, (126), 3 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 09:55:04,247 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 09:55:04,247 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 33 of 62 [2024-11-19 09:55:04,248 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 09:55:04,355 INFO L124 PetriNetUnfolderBase]: 507/1023 cut-off events. [2024-11-19 09:55:04,355 INFO L125 PetriNetUnfolderBase]: For 155/155 co-relation queries the response was YES. [2024-11-19 09:55:04,359 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1974 conditions, 1023 events. 507/1023 cut-off events. For 155/155 co-relation queries the response was YES. Maximal size of possible extension queue 71. Compared 5933 event pairs, 156 based on Foata normal form. 19/993 useless extension candidates. Maximal degree in co-relation 1284. Up to 645 conditions per place. [2024-11-19 09:55:04,363 INFO L140 encePairwiseOnDemand]: 59/62 looper letters, 32 selfloop transitions, 2 changer transitions 0/62 dead transitions. [2024-11-19 09:55:04,363 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 66 places, 62 transitions, 216 flow [2024-11-19 09:55:04,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 09:55:04,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-19 09:55:04,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 134 transitions. [2024-11-19 09:55:04,364 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7204301075268817 [2024-11-19 09:55:04,364 INFO L175 Difference]: Start difference. First operand has 64 places, 55 transitions, 130 flow. Second operand 3 states and 134 transitions. [2024-11-19 09:55:04,364 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 66 places, 62 transitions, 216 flow [2024-11-19 09:55:04,366 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 64 places, 62 transitions, 212 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-19 09:55:04,367 INFO L231 Difference]: Finished difference. Result has 65 places, 55 transitions, 134 flow [2024-11-19 09:55:04,367 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=62, PETRI_DIFFERENCE_MINUEND_FLOW=126, PETRI_DIFFERENCE_MINUEND_PLACES=62, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=55, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=53, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=134, PETRI_PLACES=65, PETRI_TRANSITIONS=55} [2024-11-19 09:55:04,368 INFO L277 CegarLoopForPetriNet]: 70 programPoint places, -5 predicate places. [2024-11-19 09:55:04,368 INFO L471 AbstractCegarLoop]: Abstraction has has 65 places, 55 transitions, 134 flow [2024-11-19 09:55:04,368 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 42.0) internal successors, (126), 3 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 09:55:04,368 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 09:55:04,368 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 09:55:04,368 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-19 09:55:04,369 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)] === [2024-11-19 09:55:04,369 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 09:55:04,369 INFO L85 PathProgramCache]: Analyzing trace with hash 20009784, now seen corresponding path program 4 times [2024-11-19 09:55:04,369 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 09:55:04,369 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1577935167] [2024-11-19 09:55:04,369 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-19 09:55:04,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 09:55:04,479 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-19 09:55:04,480 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 09:55:05,745 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 09:55:05,746 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 09:55:05,746 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1577935167] [2024-11-19 09:55:05,746 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1577935167] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 09:55:05,746 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 09:55:05,746 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-19 09:55:05,746 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [587662973] [2024-11-19 09:55:05,746 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 09:55:05,747 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-19 09:55:05,747 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 09:55:05,747 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-19 09:55:05,747 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=137, Unknown=0, NotChecked=0, Total=182 [2024-11-19 09:55:05,831 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 62 [2024-11-19 09:55:05,831 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 65 places, 55 transitions, 134 flow. Second operand has 14 states, 14 states have (on average 17.285714285714285) internal successors, (242), 14 states have internal predecessors, (242), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 09:55:05,831 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 09:55:05,831 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 62 [2024-11-19 09:55:05,831 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 09:55:08,494 INFO L124 PetriNetUnfolderBase]: 17463/25226 cut-off events. [2024-11-19 09:55:08,494 INFO L125 PetriNetUnfolderBase]: For 3089/3089 co-relation queries the response was YES. [2024-11-19 09:55:08,533 INFO L83 FinitePrefix]: Finished finitePrefix Result has 53130 conditions, 25226 events. 17463/25226 cut-off events. For 3089/3089 co-relation queries the response was YES. Maximal size of possible extension queue 607. Compared 154496 event pairs, 2373 based on Foata normal form. 1/25209 useless extension candidates. Maximal degree in co-relation 15519. Up to 6001 conditions per place. [2024-11-19 09:55:08,631 INFO L140 encePairwiseOnDemand]: 46/62 looper letters, 246 selfloop transitions, 18 changer transitions 19/292 dead transitions. [2024-11-19 09:55:08,632 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 80 places, 292 transitions, 1263 flow [2024-11-19 09:55:08,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-19 09:55:08,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2024-11-19 09:55:08,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 508 transitions. [2024-11-19 09:55:08,635 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5120967741935484 [2024-11-19 09:55:08,635 INFO L175 Difference]: Start difference. First operand has 65 places, 55 transitions, 134 flow. Second operand 16 states and 508 transitions. [2024-11-19 09:55:08,636 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 80 places, 292 transitions, 1263 flow [2024-11-19 09:55:08,641 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 78 places, 292 transitions, 1259 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-19 09:55:08,644 INFO L231 Difference]: Finished difference. Result has 89 places, 70 transitions, 255 flow [2024-11-19 09:55:08,644 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=62, PETRI_DIFFERENCE_MINUEND_FLOW=130, PETRI_DIFFERENCE_MINUEND_PLACES=63, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=55, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=41, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=255, PETRI_PLACES=89, PETRI_TRANSITIONS=70} [2024-11-19 09:55:08,644 INFO L277 CegarLoopForPetriNet]: 70 programPoint places, 19 predicate places. [2024-11-19 09:55:08,645 INFO L471 AbstractCegarLoop]: Abstraction has has 89 places, 70 transitions, 255 flow [2024-11-19 09:55:08,645 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 17.285714285714285) internal successors, (242), 14 states have internal predecessors, (242), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 09:55:08,645 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 09:55:08,645 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 09:55:08,645 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-19 09:55:08,646 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)] === [2024-11-19 09:55:08,646 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 09:55:08,646 INFO L85 PathProgramCache]: Analyzing trace with hash -799322164, now seen corresponding path program 5 times [2024-11-19 09:55:08,646 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 09:55:08,646 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1198131958] [2024-11-19 09:55:08,647 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-19 09:55:08,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 09:55:08,661 INFO L227 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-19 09:55:08,661 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 09:55:08,734 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 09:55:08,734 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 09:55:08,734 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1198131958] [2024-11-19 09:55:08,735 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1198131958] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 09:55:08,735 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 09:55:08,735 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 09:55:08,735 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2089354057] [2024-11-19 09:55:08,735 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 09:55:08,735 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 09:55:08,736 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 09:55:08,736 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 09:55:08,736 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 09:55:08,737 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 33 out of 62 [2024-11-19 09:55:08,737 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 89 places, 70 transitions, 255 flow. Second operand has 3 states, 3 states have (on average 42.0) internal successors, (126), 3 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 09:55:08,737 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 09:55:08,738 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 33 of 62 [2024-11-19 09:55:08,738 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 09:55:09,005 INFO L124 PetriNetUnfolderBase]: 1634/3072 cut-off events. [2024-11-19 09:55:09,005 INFO L125 PetriNetUnfolderBase]: For 894/918 co-relation queries the response was YES. [2024-11-19 09:55:09,013 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7114 conditions, 3072 events. 1634/3072 cut-off events. For 894/918 co-relation queries the response was YES. Maximal size of possible extension queue 243. Compared 21770 event pairs, 581 based on Foata normal form. 21/2840 useless extension candidates. Maximal degree in co-relation 7074. Up to 2444 conditions per place. [2024-11-19 09:55:09,019 INFO L140 encePairwiseOnDemand]: 59/62 looper letters, 36 selfloop transitions, 2 changer transitions 0/77 dead transitions. [2024-11-19 09:55:09,020 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 88 places, 77 transitions, 340 flow [2024-11-19 09:55:09,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 09:55:09,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-19 09:55:09,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 138 transitions. [2024-11-19 09:55:09,021 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7419354838709677 [2024-11-19 09:55:09,021 INFO L175 Difference]: Start difference. First operand has 89 places, 70 transitions, 255 flow. Second operand 3 states and 138 transitions. [2024-11-19 09:55:09,021 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 88 places, 77 transitions, 340 flow [2024-11-19 09:55:09,027 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 83 places, 77 transitions, 326 flow, removed 3 selfloop flow, removed 5 redundant places. [2024-11-19 09:55:09,028 INFO L231 Difference]: Finished difference. Result has 84 places, 66 transitions, 229 flow [2024-11-19 09:55:09,028 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=62, PETRI_DIFFERENCE_MINUEND_FLOW=221, PETRI_DIFFERENCE_MINUEND_PLACES=81, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=66, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=64, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=229, PETRI_PLACES=84, PETRI_TRANSITIONS=66} [2024-11-19 09:55:09,028 INFO L277 CegarLoopForPetriNet]: 70 programPoint places, 14 predicate places. [2024-11-19 09:55:09,028 INFO L471 AbstractCegarLoop]: Abstraction has has 84 places, 66 transitions, 229 flow [2024-11-19 09:55:09,029 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 42.0) internal successors, (126), 3 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 09:55:09,029 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 09:55:09,029 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 09:55:09,029 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-19 09:55:09,029 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)] === [2024-11-19 09:55:09,029 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 09:55:09,029 INFO L85 PathProgramCache]: Analyzing trace with hash -641955878, now seen corresponding path program 6 times [2024-11-19 09:55:09,029 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 09:55:09,030 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1960231491] [2024-11-19 09:55:09,030 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-19 09:55:09,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 09:55:09,066 INFO L227 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) [2024-11-19 09:55:09,066 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 09:55:10,196 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 09:55:10,200 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 09:55:10,200 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1960231491] [2024-11-19 09:55:10,201 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1960231491] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 09:55:10,201 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 09:55:10,201 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-19 09:55:10,201 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [743857448] [2024-11-19 09:55:10,201 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 09:55:10,201 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-19 09:55:10,202 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 09:55:10,202 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-19 09:55:10,203 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=134, Unknown=0, NotChecked=0, Total=182 [2024-11-19 09:55:10,313 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 62 [2024-11-19 09:55:10,313 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 84 places, 66 transitions, 229 flow. Second operand has 14 states, 14 states have (on average 17.285714285714285) internal successors, (242), 14 states have internal predecessors, (242), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 09:55:10,314 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 09:55:10,314 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 62 [2024-11-19 09:55:10,314 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 09:55:13,680 INFO L124 PetriNetUnfolderBase]: 27980/40616 cut-off events. [2024-11-19 09:55:13,680 INFO L125 PetriNetUnfolderBase]: For 23753/23753 co-relation queries the response was YES. [2024-11-19 09:55:13,833 INFO L83 FinitePrefix]: Finished finitePrefix Result has 106324 conditions, 40616 events. 27980/40616 cut-off events. For 23753/23753 co-relation queries the response was YES. Maximal size of possible extension queue 1003. Compared 259672 event pairs, 4845 based on Foata normal form. 1/40614 useless extension candidates. Maximal degree in co-relation 61505. Up to 11479 conditions per place. [2024-11-19 09:55:13,968 INFO L140 encePairwiseOnDemand]: 46/62 looper letters, 255 selfloop transitions, 28 changer transitions 10/302 dead transitions. [2024-11-19 09:55:13,968 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 98 places, 302 transitions, 1651 flow [2024-11-19 09:55:13,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-19 09:55:13,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2024-11-19 09:55:13,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 452 transitions. [2024-11-19 09:55:13,970 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.4860215053763441 [2024-11-19 09:55:13,970 INFO L175 Difference]: Start difference. First operand has 84 places, 66 transitions, 229 flow. Second operand 15 states and 452 transitions. [2024-11-19 09:55:13,970 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 98 places, 302 transitions, 1651 flow [2024-11-19 09:55:14,125 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 96 places, 302 transitions, 1647 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-19 09:55:14,128 INFO L231 Difference]: Finished difference. Result has 107 places, 86 transitions, 464 flow [2024-11-19 09:55:14,129 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=62, PETRI_DIFFERENCE_MINUEND_FLOW=225, PETRI_DIFFERENCE_MINUEND_PLACES=82, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=66, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=42, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=464, PETRI_PLACES=107, PETRI_TRANSITIONS=86} [2024-11-19 09:55:14,131 INFO L277 CegarLoopForPetriNet]: 70 programPoint places, 37 predicate places. [2024-11-19 09:55:14,131 INFO L471 AbstractCegarLoop]: Abstraction has has 107 places, 86 transitions, 464 flow [2024-11-19 09:55:14,131 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 17.285714285714285) internal successors, (242), 14 states have internal predecessors, (242), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 09:55:14,131 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 09:55:14,131 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 09:55:14,131 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-19 09:55:14,131 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)] === [2024-11-19 09:55:14,132 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 09:55:14,132 INFO L85 PathProgramCache]: Analyzing trace with hash 555369944, now seen corresponding path program 7 times [2024-11-19 09:55:14,132 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 09:55:14,132 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1710616683] [2024-11-19 09:55:14,132 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-11-19 09:55:14,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 09:55:14,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 09:55:15,503 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 09:55:15,503 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 09:55:15,503 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1710616683] [2024-11-19 09:55:15,503 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1710616683] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 09:55:15,503 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 09:55:15,503 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-19 09:55:15,503 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [387627281] [2024-11-19 09:55:15,504 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 09:55:15,504 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-19 09:55:15,504 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 09:55:15,504 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-19 09:55:15,504 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2024-11-19 09:55:15,624 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 62 [2024-11-19 09:55:15,624 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 107 places, 86 transitions, 464 flow. Second operand has 14 states, 14 states have (on average 17.285714285714285) internal successors, (242), 14 states have internal predecessors, (242), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 09:55:15,624 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 09:55:15,624 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 62 [2024-11-19 09:55:15,625 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 09:55:21,904 INFO L124 PetriNetUnfolderBase]: 54434/78826 cut-off events. [2024-11-19 09:55:21,904 INFO L125 PetriNetUnfolderBase]: For 125182/125182 co-relation queries the response was YES. [2024-11-19 09:55:22,289 INFO L83 FinitePrefix]: Finished finitePrefix Result has 242380 conditions, 78826 events. 54434/78826 cut-off events. For 125182/125182 co-relation queries the response was YES. Maximal size of possible extension queue 2392. Compared 563279 event pairs, 7979 based on Foata normal form. 1/78820 useless extension candidates. Maximal degree in co-relation 242122. Up to 22972 conditions per place. [2024-11-19 09:55:22,504 INFO L140 encePairwiseOnDemand]: 46/62 looper letters, 286 selfloop transitions, 34 changer transitions 11/340 dead transitions. [2024-11-19 09:55:22,504 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 120 places, 340 transitions, 2346 flow [2024-11-19 09:55:22,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-19 09:55:22,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2024-11-19 09:55:22,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 463 transitions. [2024-11-19 09:55:22,506 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.4978494623655914 [2024-11-19 09:55:22,506 INFO L175 Difference]: Start difference. First operand has 107 places, 86 transitions, 464 flow. Second operand 15 states and 463 transitions. [2024-11-19 09:55:22,506 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 120 places, 340 transitions, 2346 flow [2024-11-19 09:55:24,474 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 117 places, 340 transitions, 2315 flow, removed 9 selfloop flow, removed 3 redundant places. [2024-11-19 09:55:24,477 INFO L231 Difference]: Finished difference. Result has 129 places, 108 transitions, 789 flow [2024-11-19 09:55:24,477 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=62, PETRI_DIFFERENCE_MINUEND_FLOW=456, PETRI_DIFFERENCE_MINUEND_PLACES=103, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=86, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=55, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=789, PETRI_PLACES=129, PETRI_TRANSITIONS=108} [2024-11-19 09:55:24,478 INFO L277 CegarLoopForPetriNet]: 70 programPoint places, 59 predicate places. [2024-11-19 09:55:24,478 INFO L471 AbstractCegarLoop]: Abstraction has has 129 places, 108 transitions, 789 flow [2024-11-19 09:55:24,478 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 17.285714285714285) internal successors, (242), 14 states have internal predecessors, (242), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 09:55:24,478 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 09:55:24,478 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 09:55:24,478 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-19 09:55:24,479 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)] === [2024-11-19 09:55:24,479 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 09:55:24,479 INFO L85 PathProgramCache]: Analyzing trace with hash 401941916, now seen corresponding path program 8 times [2024-11-19 09:55:24,479 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 09:55:24,480 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [530922458] [2024-11-19 09:55:24,480 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 09:55:24,480 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 09:55:24,527 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-19 09:55:24,528 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 09:55:25,527 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 09:55:25,527 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 09:55:25,527 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [530922458] [2024-11-19 09:55:25,528 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [530922458] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 09:55:25,528 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 09:55:25,528 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-19 09:55:25,528 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1706601336] [2024-11-19 09:55:25,528 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 09:55:25,529 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-19 09:55:25,529 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 09:55:25,530 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-19 09:55:25,530 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=140, Unknown=0, NotChecked=0, Total=182 [2024-11-19 09:55:25,621 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 62 [2024-11-19 09:55:25,621 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 129 places, 108 transitions, 789 flow. Second operand has 14 states, 14 states have (on average 17.285714285714285) internal successors, (242), 14 states have internal predecessors, (242), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 09:55:25,621 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 09:55:25,621 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 62 [2024-11-19 09:55:25,621 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 09:55:37,262 INFO L124 PetriNetUnfolderBase]: 91340/133957 cut-off events. [2024-11-19 09:55:37,262 INFO L125 PetriNetUnfolderBase]: For 407402/407402 co-relation queries the response was YES. [2024-11-19 09:55:38,309 INFO L83 FinitePrefix]: Finished finitePrefix Result has 461698 conditions, 133957 events. 91340/133957 cut-off events. For 407402/407402 co-relation queries the response was YES. Maximal size of possible extension queue 4334. Compared 1041286 event pairs, 14992 based on Foata normal form. 1/133950 useless extension candidates. Maximal degree in co-relation 461037. Up to 32616 conditions per place. [2024-11-19 09:55:38,749 INFO L140 encePairwiseOnDemand]: 47/62 looper letters, 337 selfloop transitions, 51 changer transitions 10/407 dead transitions. [2024-11-19 09:55:38,749 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 142 places, 407 transitions, 3510 flow [2024-11-19 09:55:38,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-19 09:55:38,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2024-11-19 09:55:38,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 468 transitions. [2024-11-19 09:55:38,751 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5032258064516129 [2024-11-19 09:55:38,751 INFO L175 Difference]: Start difference. First operand has 129 places, 108 transitions, 789 flow. Second operand 15 states and 468 transitions. [2024-11-19 09:55:38,752 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 142 places, 407 transitions, 3510 flow [2024-11-19 09:55:45,971 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 139 places, 407 transitions, 3365 flow, removed 66 selfloop flow, removed 3 redundant places. [2024-11-19 09:55:45,974 INFO L231 Difference]: Finished difference. Result has 151 places, 140 transitions, 1309 flow [2024-11-19 09:55:45,975 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=62, PETRI_DIFFERENCE_MINUEND_FLOW=744, PETRI_DIFFERENCE_MINUEND_PLACES=125, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=108, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=21, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=64, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=1309, PETRI_PLACES=151, PETRI_TRANSITIONS=140} [2024-11-19 09:55:45,975 INFO L277 CegarLoopForPetriNet]: 70 programPoint places, 81 predicate places. [2024-11-19 09:55:45,975 INFO L471 AbstractCegarLoop]: Abstraction has has 151 places, 140 transitions, 1309 flow [2024-11-19 09:55:45,976 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 17.285714285714285) internal successors, (242), 14 states have internal predecessors, (242), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 09:55:45,976 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 09:55:45,976 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 09:55:45,976 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-19 09:55:45,976 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)] === [2024-11-19 09:55:45,976 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 09:55:45,976 INFO L85 PathProgramCache]: Analyzing trace with hash 1660644852, now seen corresponding path program 9 times [2024-11-19 09:55:45,976 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 09:55:45,976 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1109106544] [2024-11-19 09:55:45,976 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-19 09:55:45,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 09:55:46,007 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2024-11-19 09:55:46,007 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 09:55:46,851 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 09:55:46,851 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 09:55:46,851 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1109106544] [2024-11-19 09:55:46,852 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1109106544] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 09:55:46,852 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 09:55:46,852 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-19 09:55:46,852 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [261433933] [2024-11-19 09:55:46,852 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 09:55:46,852 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-19 09:55:46,853 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 09:55:46,853 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-19 09:55:46,853 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=140, Unknown=0, NotChecked=0, Total=182 [2024-11-19 09:55:46,955 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 62 [2024-11-19 09:55:46,956 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 151 places, 140 transitions, 1309 flow. Second operand has 14 states, 14 states have (on average 17.285714285714285) internal successors, (242), 14 states have internal predecessors, (242), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 09:55:46,956 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 09:55:46,956 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 62 [2024-11-19 09:55:46,956 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand