./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/valid-memsafety.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/mix028_tso.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 84cfde4a Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/mix028_tso.i -s /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-clean/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 381687e0b1f81c1857e97f802385548d8501e57e279b70a993237277b7cd3e3a --- Real Ultimate output --- This is Ultimate 0.2.5-dev-84cfde4 [2024-10-11 19:33:00,264 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-11 19:33:00,331 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2024-10-11 19:33:00,336 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-11 19:33:00,336 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-11 19:33:00,367 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-11 19:33:00,367 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-11 19:33:00,368 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-11 19:33:00,368 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-11 19:33:00,370 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-11 19:33:00,370 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-11 19:33:00,372 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-11 19:33:00,372 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-11 19:33:00,372 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-11 19:33:00,372 INFO L153 SettingsManager]: * Use SBE=true [2024-10-11 19:33:00,372 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-11 19:33:00,373 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-11 19:33:00,373 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-11 19:33:00,373 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-11 19:33:00,373 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-11 19:33:00,373 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-10-11 19:33:00,375 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-10-11 19:33:00,375 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-10-11 19:33:00,376 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-11 19:33:00,376 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-10-11 19:33:00,376 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-11 19:33:00,376 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-11 19:33:00,376 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-11 19:33:00,377 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-11 19:33:00,377 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-11 19:33:00,377 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-11 19:33:00,377 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-11 19:33:00,377 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-11 19:33:00,377 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 19:33:00,377 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-11 19:33:00,378 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-11 19:33:00,378 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-11 19:33:00,378 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-11 19:33:00,378 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-11 19:33:00,378 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-11 19:33:00,378 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-11 19:33:00,379 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-11 19:33:00,379 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-clean/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 381687e0b1f81c1857e97f802385548d8501e57e279b70a993237277b7cd3e3a [2024-10-11 19:33:00,585 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-11 19:33:00,605 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-11 19:33:00,608 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-11 19:33:00,609 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-11 19:33:00,609 INFO L274 PluginConnector]: CDTParser initialized [2024-10-11 19:33:00,610 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/mix028_tso.i [2024-10-11 19:33:01,855 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-11 19:33:02,087 INFO L384 CDTParser]: Found 1 translation units. [2024-10-11 19:33:02,087 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/mix028_tso.i [2024-10-11 19:33:02,101 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/f67328cfd/290afaf9eab749ed89a44407a09bc63c/FLAGb1c32d879 [2024-10-11 19:33:02,423 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/f67328cfd/290afaf9eab749ed89a44407a09bc63c [2024-10-11 19:33:02,425 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-11 19:33:02,425 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-11 19:33:02,426 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-11 19:33:02,426 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-11 19:33:02,432 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-11 19:33:02,433 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 07:33:02" (1/1) ... [2024-10-11 19:33:02,433 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55d8bc87 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:33:02, skipping insertion in model container [2024-10-11 19:33:02,434 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 07:33:02" (1/1) ... [2024-10-11 19:33:02,469 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-11 19:33:02,835 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 19:33:02,850 INFO L200 MainTranslator]: Completed pre-run [2024-10-11 19:33:02,910 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 19:33:02,946 INFO L204 MainTranslator]: Completed translation [2024-10-11 19:33:02,947 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:33:02 WrapperNode [2024-10-11 19:33:02,947 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-11 19:33:02,948 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-11 19:33:02,948 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-11 19:33:02,948 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-11 19:33:02,954 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:33:02" (1/1) ... [2024-10-11 19:33:02,973 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:33:02" (1/1) ... [2024-10-11 19:33:03,002 INFO L138 Inliner]: procedures = 175, calls = 45, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 160 [2024-10-11 19:33:03,005 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-11 19:33:03,006 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-11 19:33:03,006 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-11 19:33:03,006 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-11 19:33:03,016 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:33:02" (1/1) ... [2024-10-11 19:33:03,016 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:33:02" (1/1) ... [2024-10-11 19:33:03,020 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:33:02" (1/1) ... [2024-10-11 19:33:03,046 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]. [2024-10-11 19:33:03,046 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:33:02" (1/1) ... [2024-10-11 19:33:03,046 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:33:02" (1/1) ... [2024-10-11 19:33:03,054 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:33:02" (1/1) ... [2024-10-11 19:33:03,059 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:33:02" (1/1) ... [2024-10-11 19:33:03,061 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:33:02" (1/1) ... [2024-10-11 19:33:03,066 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:33:02" (1/1) ... [2024-10-11 19:33:03,069 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-11 19:33:03,070 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-11 19:33:03,071 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-11 19:33:03,071 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-11 19:33:03,072 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:33:02" (1/1) ... [2024-10-11 19:33:03,076 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 19:33:03,089 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 19:33:03,108 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-11 19:33:03,122 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-11 19:33:03,173 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-10-11 19:33:03,174 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-11 19:33:03,174 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-10-11 19:33:03,174 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-10-11 19:33:03,175 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-10-11 19:33:03,175 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-10-11 19:33:03,175 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-10-11 19:33:03,176 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-10-11 19:33:03,176 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-11 19:33:03,176 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-10-11 19:33:03,176 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-11 19:33:03,177 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-11 19:33:03,179 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-11 19:33:03,286 INFO L238 CfgBuilder]: Building ICFG [2024-10-11 19:33:03,288 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-11 19:33:03,561 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-11 19:33:03,561 INFO L287 CfgBuilder]: Performing block encoding [2024-10-11 19:33:03,775 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-11 19:33:03,775 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-11 19:33:03,775 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 07:33:03 BoogieIcfgContainer [2024-10-11 19:33:03,776 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-11 19:33:03,779 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-11 19:33:03,780 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-11 19:33:03,783 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-11 19:33:03,783 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 07:33:02" (1/3) ... [2024-10-11 19:33:03,784 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6300c030 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 07:33:03, skipping insertion in model container [2024-10-11 19:33:03,784 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:33:02" (2/3) ... [2024-10-11 19:33:03,785 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6300c030 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 07:33:03, skipping insertion in model container [2024-10-11 19:33:03,785 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 07:33:03" (3/3) ... [2024-10-11 19:33:03,786 INFO L112 eAbstractionObserver]: Analyzing ICFG mix028_tso.i [2024-10-11 19:33:03,801 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-11 19:33:03,802 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2024-10-11 19:33:03,802 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-11 19:33:03,855 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-10-11 19:33:03,891 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 53 places, 45 transitions, 102 flow [2024-10-11 19:33:03,929 INFO L124 PetriNetUnfolderBase]: 2/42 cut-off events. [2024-10-11 19:33:03,929 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-11 19:33:03,932 INFO L83 FinitePrefix]: Finished finitePrefix Result has 52 conditions, 42 events. 2/42 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 80 event pairs, 0 based on Foata normal form. 0/37 useless extension candidates. Maximal degree in co-relation 44. Up to 2 conditions per place. [2024-10-11 19:33:03,933 INFO L82 GeneralOperation]: Start removeDead. Operand has 53 places, 45 transitions, 102 flow [2024-10-11 19:33:03,937 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 50 places, 42 transitions, 93 flow [2024-10-11 19:33:03,944 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-11 19:33:03,949 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;@1d6df026, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-11 19:33:03,950 INFO L334 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2024-10-11 19:33:03,960 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-10-11 19:33:03,960 INFO L124 PetriNetUnfolderBase]: 0/17 cut-off events. [2024-10-11 19:33:03,960 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-11 19:33:03,960 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 19:33:03,961 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 19:33:03,961 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting P2Err0ASSERT_VIOLATIONMEMORY_LEAK === [P2Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-10-11 19:33:03,968 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 19:33:03,968 INFO L85 PathProgramCache]: Analyzing trace with hash 679767499, now seen corresponding path program 1 times [2024-10-11 19:33:03,978 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 19:33:03,978 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1891067045] [2024-10-11 19:33:03,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 19:33:03,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 19:33:04,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 19:33:04,462 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 19:33:04,463 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 19:33:04,463 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1891067045] [2024-10-11 19:33:04,463 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1891067045] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 19:33:04,463 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 19:33:04,463 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-10-11 19:33:04,465 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [731201675] [2024-10-11 19:33:04,465 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 19:33:04,471 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 19:33:04,474 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 19:33:04,494 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 19:33:04,495 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 19:33:04,496 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 20 out of 45 [2024-10-11 19:33:04,498 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 50 places, 42 transitions, 93 flow. Second operand has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 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) [2024-10-11 19:33:04,498 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 19:33:04,498 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 20 of 45 [2024-10-11 19:33:04,498 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 19:33:04,813 INFO L124 PetriNetUnfolderBase]: 518/962 cut-off events. [2024-10-11 19:33:04,813 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-11 19:33:04,817 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1790 conditions, 962 events. 518/962 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 98. Compared 6572 event pairs, 74 based on Foata normal form. 60/1012 useless extension candidates. Maximal degree in co-relation 1779. Up to 661 conditions per place. [2024-10-11 19:33:04,825 INFO L140 encePairwiseOnDemand]: 40/45 looper letters, 28 selfloop transitions, 2 changer transitions 2/49 dead transitions. [2024-10-11 19:33:04,825 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 50 places, 49 transitions, 171 flow [2024-10-11 19:33:04,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 19:33:04,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-11 19:33:04,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 97 transitions. [2024-10-11 19:33:04,837 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7185185185185186 [2024-10-11 19:33:04,839 INFO L175 Difference]: Start difference. First operand has 50 places, 42 transitions, 93 flow. Second operand 3 states and 97 transitions. [2024-10-11 19:33:04,840 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 50 places, 49 transitions, 171 flow [2024-10-11 19:33:04,842 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 47 places, 49 transitions, 168 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-10-11 19:33:04,846 INFO L231 Difference]: Finished difference. Result has 47 places, 37 transitions, 84 flow [2024-10-11 19:33:04,849 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=45, PETRI_DIFFERENCE_MINUEND_FLOW=82, PETRI_DIFFERENCE_MINUEND_PLACES=45, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=38, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=36, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=84, PETRI_PLACES=47, PETRI_TRANSITIONS=37} [2024-10-11 19:33:04,852 INFO L277 CegarLoopForPetriNet]: 50 programPoint places, -3 predicate places. [2024-10-11 19:33:04,853 INFO L471 AbstractCegarLoop]: Abstraction has has 47 places, 37 transitions, 84 flow [2024-10-11 19:33:04,853 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 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) [2024-10-11 19:33:04,853 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 19:33:04,854 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 19:33:04,854 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-11 19:33:04,854 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [P2Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-10-11 19:33:04,855 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 19:33:04,856 INFO L85 PathProgramCache]: Analyzing trace with hash 1029601294, now seen corresponding path program 1 times [2024-10-11 19:33:04,856 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 19:33:04,856 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [917676116] [2024-10-11 19:33:04,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 19:33:04,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 19:33:04,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 19:33:04,948 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 19:33:04,949 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 19:33:04,949 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [917676116] [2024-10-11 19:33:04,949 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [917676116] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 19:33:04,950 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 19:33:04,950 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-10-11 19:33:04,950 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [310454275] [2024-10-11 19:33:04,950 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 19:33:04,951 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 19:33:04,951 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 19:33:04,952 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 19:33:04,952 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 19:33:04,954 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 19 out of 45 [2024-10-11 19:33:04,954 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 47 places, 37 transitions, 84 flow. Second operand has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 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) [2024-10-11 19:33:04,954 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 19:33:04,954 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 19 of 45 [2024-10-11 19:33:04,954 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 19:33:05,109 INFO L124 PetriNetUnfolderBase]: 459/873 cut-off events. [2024-10-11 19:33:05,110 INFO L125 PetriNetUnfolderBase]: For 48/48 co-relation queries the response was YES. [2024-10-11 19:33:05,114 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1659 conditions, 873 events. 459/873 cut-off events. For 48/48 co-relation queries the response was YES. Maximal size of possible extension queue 92. Compared 6043 event pairs, 459 based on Foata normal form. 30/887 useless extension candidates. Maximal degree in co-relation 1649. Up to 716 conditions per place. [2024-10-11 19:33:05,118 INFO L140 encePairwiseOnDemand]: 43/45 looper letters, 18 selfloop transitions, 1 changer transitions 1/36 dead transitions. [2024-10-11 19:33:05,119 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 47 places, 36 transitions, 122 flow [2024-10-11 19:33:05,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 19:33:05,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-11 19:33:05,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 78 transitions. [2024-10-11 19:33:05,121 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5777777777777777 [2024-10-11 19:33:05,121 INFO L175 Difference]: Start difference. First operand has 47 places, 37 transitions, 84 flow. Second operand 3 states and 78 transitions. [2024-10-11 19:33:05,122 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 47 places, 36 transitions, 122 flow [2024-10-11 19:33:05,123 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 45 places, 36 transitions, 118 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-11 19:33:05,125 INFO L231 Difference]: Finished difference. Result has 45 places, 35 transitions, 78 flow [2024-10-11 19:33:05,125 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=45, PETRI_DIFFERENCE_MINUEND_FLOW=78, PETRI_DIFFERENCE_MINUEND_PLACES=43, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=36, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=35, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=78, PETRI_PLACES=45, PETRI_TRANSITIONS=35} [2024-10-11 19:33:05,126 INFO L277 CegarLoopForPetriNet]: 50 programPoint places, -5 predicate places. [2024-10-11 19:33:05,126 INFO L471 AbstractCegarLoop]: Abstraction has has 45 places, 35 transitions, 78 flow [2024-10-11 19:33:05,126 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 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) [2024-10-11 19:33:05,126 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 19:33:05,126 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 19:33:05,126 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-11 19:33:05,127 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P2Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-10-11 19:33:05,128 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 19:33:05,128 INFO L85 PathProgramCache]: Analyzing trace with hash 1029602936, now seen corresponding path program 1 times [2024-10-11 19:33:05,128 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 19:33:05,129 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [634258305] [2024-10-11 19:33:05,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 19:33:05,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 19:33:05,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 19:33:05,387 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 19:33:05,388 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 19:33:05,388 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [634258305] [2024-10-11 19:33:05,389 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [634258305] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 19:33:05,389 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 19:33:05,389 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 19:33:05,390 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [553643700] [2024-10-11 19:33:05,390 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 19:33:05,390 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 19:33:05,391 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 19:33:05,392 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 19:33:05,392 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 19:33:05,399 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 45 [2024-10-11 19:33:05,401 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 45 places, 35 transitions, 78 flow. Second operand has 4 states, 4 states have (on average 19.25) internal successors, (77), 4 states have internal predecessors, (77), 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) [2024-10-11 19:33:05,401 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 19:33:05,401 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 45 [2024-10-11 19:33:05,402 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 19:33:05,678 INFO L124 PetriNetUnfolderBase]: 1217/2055 cut-off events. [2024-10-11 19:33:05,679 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-11 19:33:05,681 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3939 conditions, 2055 events. 1217/2055 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 164. Compared 12788 event pairs, 107 based on Foata normal form. 72/2122 useless extension candidates. Maximal degree in co-relation 3933. Up to 1213 conditions per place. [2024-10-11 19:33:05,687 INFO L140 encePairwiseOnDemand]: 39/45 looper letters, 40 selfloop transitions, 5 changer transitions 1/58 dead transitions. [2024-10-11 19:33:05,688 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 47 places, 58 transitions, 220 flow [2024-10-11 19:33:05,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 19:33:05,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-10-11 19:33:05,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 112 transitions. [2024-10-11 19:33:05,691 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6222222222222222 [2024-10-11 19:33:05,691 INFO L175 Difference]: Start difference. First operand has 45 places, 35 transitions, 78 flow. Second operand 4 states and 112 transitions. [2024-10-11 19:33:05,691 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 47 places, 58 transitions, 220 flow [2024-10-11 19:33:05,692 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 46 places, 58 transitions, 219 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-11 19:33:05,693 INFO L231 Difference]: Finished difference. Result has 48 places, 38 transitions, 111 flow [2024-10-11 19:33:05,693 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=45, PETRI_DIFFERENCE_MINUEND_FLOW=77, PETRI_DIFFERENCE_MINUEND_PLACES=43, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=35, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=30, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=111, PETRI_PLACES=48, PETRI_TRANSITIONS=38} [2024-10-11 19:33:05,693 INFO L277 CegarLoopForPetriNet]: 50 programPoint places, -2 predicate places. [2024-10-11 19:33:05,694 INFO L471 AbstractCegarLoop]: Abstraction has has 48 places, 38 transitions, 111 flow [2024-10-11 19:33:05,694 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.25) internal successors, (77), 4 states have internal predecessors, (77), 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) [2024-10-11 19:33:05,694 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 19:33:05,694 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 19:33:05,694 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-11 19:33:05,695 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P2Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-10-11 19:33:05,695 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 19:33:05,695 INFO L85 PathProgramCache]: Analyzing trace with hash 801018793, now seen corresponding path program 1 times [2024-10-11 19:33:05,696 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 19:33:05,696 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1922615954] [2024-10-11 19:33:05,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 19:33:05,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 19:33:05,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 19:33:05,890 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 19:33:05,890 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 19:33:05,891 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1922615954] [2024-10-11 19:33:05,891 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1922615954] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 19:33:05,891 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 19:33:05,892 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 19:33:05,892 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [407262229] [2024-10-11 19:33:05,892 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 19:33:05,892 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 19:33:05,892 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 19:33:05,893 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 19:33:05,893 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-11 19:33:05,897 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 45 [2024-10-11 19:33:05,897 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 48 places, 38 transitions, 111 flow. Second operand has 5 states, 5 states have (on average 18.8) internal successors, (94), 5 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 19:33:05,899 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 19:33:05,899 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 45 [2024-10-11 19:33:05,899 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 19:33:06,115 INFO L124 PetriNetUnfolderBase]: 801/1377 cut-off events. [2024-10-11 19:33:06,115 INFO L125 PetriNetUnfolderBase]: For 364/364 co-relation queries the response was YES. [2024-10-11 19:33:06,117 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3144 conditions, 1377 events. 801/1377 cut-off events. For 364/364 co-relation queries the response was YES. Maximal size of possible extension queue 85. Compared 7528 event pairs, 41 based on Foata normal form. 64/1436 useless extension candidates. Maximal degree in co-relation 3135. Up to 625 conditions per place. [2024-10-11 19:33:06,121 INFO L140 encePairwiseOnDemand]: 39/45 looper letters, 50 selfloop transitions, 8 changer transitions 1/71 dead transitions. [2024-10-11 19:33:06,122 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 52 places, 71 transitions, 316 flow [2024-10-11 19:33:06,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 19:33:06,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-10-11 19:33:06,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 141 transitions. [2024-10-11 19:33:06,123 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6266666666666667 [2024-10-11 19:33:06,123 INFO L175 Difference]: Start difference. First operand has 48 places, 38 transitions, 111 flow. Second operand 5 states and 141 transitions. [2024-10-11 19:33:06,123 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 52 places, 71 transitions, 316 flow [2024-10-11 19:33:06,125 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 50 places, 71 transitions, 306 flow, removed 1 selfloop flow, removed 2 redundant places. [2024-10-11 19:33:06,126 INFO L231 Difference]: Finished difference. Result has 52 places, 41 transitions, 151 flow [2024-10-11 19:33:06,126 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=45, PETRI_DIFFERENCE_MINUEND_FLOW=103, PETRI_DIFFERENCE_MINUEND_PLACES=46, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=38, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=30, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=151, PETRI_PLACES=52, PETRI_TRANSITIONS=41} [2024-10-11 19:33:06,126 INFO L277 CegarLoopForPetriNet]: 50 programPoint places, 2 predicate places. [2024-10-11 19:33:06,127 INFO L471 AbstractCegarLoop]: Abstraction has has 52 places, 41 transitions, 151 flow [2024-10-11 19:33:06,127 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.8) internal successors, (94), 5 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 19:33:06,127 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 19:33:06,127 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] [2024-10-11 19:33:06,127 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-11 19:33:06,127 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P2Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-10-11 19:33:06,127 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 19:33:06,127 INFO L85 PathProgramCache]: Analyzing trace with hash -1506520034, now seen corresponding path program 1 times [2024-10-11 19:33:06,128 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 19:33:06,128 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [250679407] [2024-10-11 19:33:06,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 19:33:06,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 19:33:06,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 19:33:06,360 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 19:33:06,360 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 19:33:06,361 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [250679407] [2024-10-11 19:33:06,361 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [250679407] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 19:33:06,361 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 19:33:06,361 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 19:33:06,361 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [173680525] [2024-10-11 19:33:06,362 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 19:33:06,362 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-11 19:33:06,362 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 19:33:06,363 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-11 19:33:06,363 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-10-11 19:33:06,368 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 45 [2024-10-11 19:33:06,368 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 52 places, 41 transitions, 151 flow. Second operand has 6 states, 6 states have (on average 18.666666666666668) internal successors, (112), 6 states have internal predecessors, (112), 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) [2024-10-11 19:33:06,368 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 19:33:06,368 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 45 [2024-10-11 19:33:06,368 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 19:33:06,603 INFO L124 PetriNetUnfolderBase]: 423/719 cut-off events. [2024-10-11 19:33:06,604 INFO L125 PetriNetUnfolderBase]: For 671/671 co-relation queries the response was YES. [2024-10-11 19:33:06,605 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1910 conditions, 719 events. 423/719 cut-off events. For 671/671 co-relation queries the response was YES. Maximal size of possible extension queue 43. Compared 3146 event pairs, 29 based on Foata normal form. 36/750 useless extension candidates. Maximal degree in co-relation 1899. Up to 268 conditions per place. [2024-10-11 19:33:06,609 INFO L140 encePairwiseOnDemand]: 39/45 looper letters, 44 selfloop transitions, 11 changer transitions 1/68 dead transitions. [2024-10-11 19:33:06,609 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 57 places, 68 transitions, 327 flow [2024-10-11 19:33:06,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-11 19:33:06,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-11 19:33:06,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 154 transitions. [2024-10-11 19:33:06,611 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5703703703703704 [2024-10-11 19:33:06,612 INFO L175 Difference]: Start difference. First operand has 52 places, 41 transitions, 151 flow. Second operand 6 states and 154 transitions. [2024-10-11 19:33:06,612 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 57 places, 68 transitions, 327 flow [2024-10-11 19:33:06,617 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 53 places, 68 transitions, 302 flow, removed 4 selfloop flow, removed 4 redundant places. [2024-10-11 19:33:06,620 INFO L231 Difference]: Finished difference. Result has 55 places, 41 transitions, 165 flow [2024-10-11 19:33:06,620 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=45, PETRI_DIFFERENCE_MINUEND_FLOW=129, PETRI_DIFFERENCE_MINUEND_PLACES=48, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=41, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=30, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=165, PETRI_PLACES=55, PETRI_TRANSITIONS=41} [2024-10-11 19:33:06,621 INFO L277 CegarLoopForPetriNet]: 50 programPoint places, 5 predicate places. [2024-10-11 19:33:06,623 INFO L471 AbstractCegarLoop]: Abstraction has has 55 places, 41 transitions, 165 flow [2024-10-11 19:33:06,623 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 18.666666666666668) internal successors, (112), 6 states have internal predecessors, (112), 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) [2024-10-11 19:33:06,623 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 19:33:06,623 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] [2024-10-11 19:33:06,624 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-11 19:33:06,624 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P2Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-10-11 19:33:06,624 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 19:33:06,624 INFO L85 PathProgramCache]: Analyzing trace with hash -502981714, now seen corresponding path program 1 times [2024-10-11 19:33:06,625 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 19:33:06,625 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [591440876] [2024-10-11 19:33:06,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 19:33:06,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 19:33:06,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 19:33:07,426 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 19:33:07,426 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 19:33:07,427 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [591440876] [2024-10-11 19:33:07,427 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [591440876] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 19:33:07,427 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 19:33:07,427 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-11 19:33:07,427 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [589646232] [2024-10-11 19:33:07,427 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 19:33:07,428 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-11 19:33:07,428 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 19:33:07,429 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-11 19:33:07,429 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-11 19:33:07,446 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 17 out of 45 [2024-10-11 19:33:07,446 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 55 places, 41 transitions, 165 flow. Second operand has 6 states, 6 states have (on average 20.166666666666668) internal successors, (121), 6 states have internal predecessors, (121), 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) [2024-10-11 19:33:07,446 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 19:33:07,446 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 17 of 45 [2024-10-11 19:33:07,447 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 19:33:07,717 INFO L124 PetriNetUnfolderBase]: 648/1243 cut-off events. [2024-10-11 19:33:07,717 INFO L125 PetriNetUnfolderBase]: For 626/646 co-relation queries the response was YES. [2024-10-11 19:33:07,723 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2888 conditions, 1243 events. 648/1243 cut-off events. For 626/646 co-relation queries the response was YES. Maximal size of possible extension queue 76. Compared 6864 event pairs, 170 based on Foata normal form. 8/1207 useless extension candidates. Maximal degree in co-relation 2876. Up to 502 conditions per place. [2024-10-11 19:33:07,726 INFO L140 encePairwiseOnDemand]: 38/45 looper letters, 33 selfloop transitions, 5 changer transitions 14/71 dead transitions. [2024-10-11 19:33:07,726 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 60 places, 71 transitions, 343 flow [2024-10-11 19:33:07,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-11 19:33:07,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-11 19:33:07,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 155 transitions. [2024-10-11 19:33:07,727 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5740740740740741 [2024-10-11 19:33:07,727 INFO L175 Difference]: Start difference. First operand has 55 places, 41 transitions, 165 flow. Second operand 6 states and 155 transitions. [2024-10-11 19:33:07,727 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 60 places, 71 transitions, 343 flow [2024-10-11 19:33:07,730 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 52 places, 71 transitions, 279 flow, removed 14 selfloop flow, removed 8 redundant places. [2024-10-11 19:33:07,731 INFO L231 Difference]: Finished difference. Result has 56 places, 43 transitions, 137 flow [2024-10-11 19:33:07,731 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=45, PETRI_DIFFERENCE_MINUEND_FLOW=109, PETRI_DIFFERENCE_MINUEND_PLACES=47, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=41, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=37, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=137, PETRI_PLACES=56, PETRI_TRANSITIONS=43} [2024-10-11 19:33:07,732 INFO L277 CegarLoopForPetriNet]: 50 programPoint places, 6 predicate places. [2024-10-11 19:33:07,732 INFO L471 AbstractCegarLoop]: Abstraction has has 56 places, 43 transitions, 137 flow [2024-10-11 19:33:07,732 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 20.166666666666668) internal successors, (121), 6 states have internal predecessors, (121), 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) [2024-10-11 19:33:07,732 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 19:33:07,733 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] [2024-10-11 19:33:07,733 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-11 19:33:07,733 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P2Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-10-11 19:33:07,733 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 19:33:07,733 INFO L85 PathProgramCache]: Analyzing trace with hash -2075817778, now seen corresponding path program 2 times [2024-10-11 19:33:07,733 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 19:33:07,734 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1009435255] [2024-10-11 19:33:07,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 19:33:07,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 19:33:07,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 19:33:08,366 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 19:33:08,366 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 19:33:08,366 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1009435255] [2024-10-11 19:33:08,366 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1009435255] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 19:33:08,367 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 19:33:08,367 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-11 19:33:08,367 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [286939088] [2024-10-11 19:33:08,367 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 19:33:08,367 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-11 19:33:08,368 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 19:33:08,368 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-11 19:33:08,368 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-10-11 19:33:08,382 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 45 [2024-10-11 19:33:08,383 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 56 places, 43 transitions, 137 flow. Second operand has 7 states, 7 states have (on average 18.857142857142858) internal successors, (132), 7 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 19:33:08,383 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 19:33:08,383 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 45 [2024-10-11 19:33:08,383 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 19:33:08,702 INFO L124 PetriNetUnfolderBase]: 520/1018 cut-off events. [2024-10-11 19:33:08,702 INFO L125 PetriNetUnfolderBase]: For 106/106 co-relation queries the response was YES. [2024-10-11 19:33:08,704 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2221 conditions, 1018 events. 520/1018 cut-off events. For 106/106 co-relation queries the response was YES. Maximal size of possible extension queue 68. Compared 5230 event pairs, 80 based on Foata normal form. 8/994 useless extension candidates. Maximal degree in co-relation 2209. Up to 453 conditions per place. [2024-10-11 19:33:08,706 INFO L140 encePairwiseOnDemand]: 34/45 looper letters, 26 selfloop transitions, 6 changer transitions 33/83 dead transitions. [2024-10-11 19:33:08,706 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 61 places, 83 transitions, 371 flow [2024-10-11 19:33:08,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-11 19:33:08,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-10-11 19:33:08,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 193 transitions. [2024-10-11 19:33:08,707 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5361111111111111 [2024-10-11 19:33:08,707 INFO L175 Difference]: Start difference. First operand has 56 places, 43 transitions, 137 flow. Second operand 8 states and 193 transitions. [2024-10-11 19:33:08,707 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 61 places, 83 transitions, 371 flow [2024-10-11 19:33:08,708 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 58 places, 83 transitions, 355 flow, removed 5 selfloop flow, removed 3 redundant places. [2024-10-11 19:33:08,709 INFO L231 Difference]: Finished difference. Result has 63 places, 43 transitions, 160 flow [2024-10-11 19:33:08,709 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=45, PETRI_DIFFERENCE_MINUEND_FLOW=128, PETRI_DIFFERENCE_MINUEND_PLACES=51, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=43, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=37, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=160, PETRI_PLACES=63, PETRI_TRANSITIONS=43} [2024-10-11 19:33:08,710 INFO L277 CegarLoopForPetriNet]: 50 programPoint places, 13 predicate places. [2024-10-11 19:33:08,710 INFO L471 AbstractCegarLoop]: Abstraction has has 63 places, 43 transitions, 160 flow [2024-10-11 19:33:08,710 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 18.857142857142858) internal successors, (132), 7 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 19:33:08,710 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 19:33:08,710 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] [2024-10-11 19:33:08,710 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-11 19:33:08,711 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P2Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-10-11 19:33:08,711 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 19:33:08,711 INFO L85 PathProgramCache]: Analyzing trace with hash 709056054, now seen corresponding path program 3 times [2024-10-11 19:33:08,711 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 19:33:08,711 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [524802867] [2024-10-11 19:33:08,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 19:33:08,712 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 19:33:08,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 19:33:09,892 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 19:33:09,892 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 19:33:09,893 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [524802867] [2024-10-11 19:33:09,893 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [524802867] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 19:33:09,893 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 19:33:09,893 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-11 19:33:09,893 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [735819331] [2024-10-11 19:33:09,893 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 19:33:09,894 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-11 19:33:09,894 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 19:33:09,894 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-11 19:33:09,894 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-10-11 19:33:09,916 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 45 [2024-10-11 19:33:09,917 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 63 places, 43 transitions, 160 flow. Second operand has 9 states, 9 states have (on average 18.22222222222222) internal successors, (164), 9 states have internal predecessors, (164), 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) [2024-10-11 19:33:09,917 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 19:33:09,917 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 45 [2024-10-11 19:33:09,917 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 19:33:10,258 INFO L124 PetriNetUnfolderBase]: 399/793 cut-off events. [2024-10-11 19:33:10,258 INFO L125 PetriNetUnfolderBase]: For 180/188 co-relation queries the response was YES. [2024-10-11 19:33:10,260 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1771 conditions, 793 events. 399/793 cut-off events. For 180/188 co-relation queries the response was YES. Maximal size of possible extension queue 64. Compared 3988 event pairs, 120 based on Foata normal form. 8/760 useless extension candidates. Maximal degree in co-relation 1755. Up to 327 conditions per place. [2024-10-11 19:33:10,262 INFO L140 encePairwiseOnDemand]: 34/45 looper letters, 24 selfloop transitions, 9 changer transitions 20/71 dead transitions. [2024-10-11 19:33:10,262 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 68 places, 71 transitions, 344 flow [2024-10-11 19:33:10,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-11 19:33:10,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-10-11 19:33:10,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 198 transitions. [2024-10-11 19:33:10,263 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.4888888888888889 [2024-10-11 19:33:10,263 INFO L175 Difference]: Start difference. First operand has 63 places, 43 transitions, 160 flow. Second operand 9 states and 198 transitions. [2024-10-11 19:33:10,263 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 68 places, 71 transitions, 344 flow [2024-10-11 19:33:10,264 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 60 places, 71 transitions, 315 flow, removed 5 selfloop flow, removed 8 redundant places. [2024-10-11 19:33:10,265 INFO L231 Difference]: Finished difference. Result has 64 places, 43 transitions, 168 flow [2024-10-11 19:33:10,265 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=45, PETRI_DIFFERENCE_MINUEND_FLOW=139, PETRI_DIFFERENCE_MINUEND_PLACES=52, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=43, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=35, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=168, PETRI_PLACES=64, PETRI_TRANSITIONS=43} [2024-10-11 19:33:10,266 INFO L277 CegarLoopForPetriNet]: 50 programPoint places, 14 predicate places. [2024-10-11 19:33:10,266 INFO L471 AbstractCegarLoop]: Abstraction has has 64 places, 43 transitions, 168 flow [2024-10-11 19:33:10,266 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 18.22222222222222) internal successors, (164), 9 states have internal predecessors, (164), 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) [2024-10-11 19:33:10,267 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 19:33:10,267 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] [2024-10-11 19:33:10,267 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-11 19:33:10,267 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P2Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-10-11 19:33:10,267 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 19:33:10,268 INFO L85 PathProgramCache]: Analyzing trace with hash 1031678284, now seen corresponding path program 4 times [2024-10-11 19:33:10,268 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 19:33:10,268 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1950055637] [2024-10-11 19:33:10,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 19:33:10,268 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 19:33:10,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-11 19:33:10,342 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-11 19:33:10,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-11 19:33:10,456 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-11 19:33:10,456 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-11 19:33:10,457 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (6 of 7 remaining) [2024-10-11 19:33:10,459 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err0ASSERT_VIOLATIONMEMORY_LEAK (5 of 7 remaining) [2024-10-11 19:33:10,459 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (4 of 7 remaining) [2024-10-11 19:33:10,459 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 7 remaining) [2024-10-11 19:33:10,459 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 7 remaining) [2024-10-11 19:33:10,459 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 7 remaining) [2024-10-11 19:33:10,460 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err0ASSERT_VIOLATIONMEMORY_LEAK (0 of 7 remaining) [2024-10-11 19:33:10,460 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-11 19:33:10,460 INFO L407 BasicCegarLoop]: Path program histogram: [4, 1, 1, 1, 1, 1] [2024-10-11 19:33:10,524 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-10-11 19:33:10,524 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-11 19:33:10,529 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 07:33:10 BasicIcfg [2024-10-11 19:33:10,529 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-11 19:33:10,530 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-11 19:33:10,530 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-11 19:33:10,530 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-11 19:33:10,530 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 07:33:03" (3/4) ... [2024-10-11 19:33:10,531 INFO L142 WitnessPrinter]: No result that supports witness generation found [2024-10-11 19:33:10,532 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-11 19:33:10,534 INFO L158 Benchmark]: Toolchain (without parser) took 8107.16ms. Allocated memory was 186.6MB in the beginning and 425.7MB in the end (delta: 239.1MB). Free memory was 155.6MB in the beginning and 283.6MB in the end (delta: -128.0MB). Peak memory consumption was 111.0MB. Max. memory is 16.1GB. [2024-10-11 19:33:10,534 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 134.2MB. Free memory is still 99.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-11 19:33:10,534 INFO L158 Benchmark]: CACSL2BoogieTranslator took 520.65ms. Allocated memory is still 186.6MB. Free memory was 155.6MB in the beginning and 129.2MB in the end (delta: 26.4MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2024-10-11 19:33:10,535 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.80ms. Allocated memory is still 186.6MB. Free memory was 129.2MB in the beginning and 125.6MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-11 19:33:10,535 INFO L158 Benchmark]: Boogie Preprocessor took 63.98ms. Allocated memory is still 186.6MB. Free memory was 125.6MB in the beginning and 122.0MB in the end (delta: 3.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-11 19:33:10,537 INFO L158 Benchmark]: RCFGBuilder took 705.36ms. Allocated memory is still 186.6MB. Free memory was 122.0MB in the beginning and 124.4MB in the end (delta: -2.4MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2024-10-11 19:33:10,537 INFO L158 Benchmark]: TraceAbstraction took 6750.23ms. Allocated memory was 186.6MB in the beginning and 425.7MB in the end (delta: 239.1MB). Free memory was 124.4MB in the beginning and 283.6MB in the end (delta: -159.2MB). Peak memory consumption was 78.7MB. Max. memory is 16.1GB. [2024-10-11 19:33:10,537 INFO L158 Benchmark]: Witness Printer took 2.75ms. Allocated memory is still 425.7MB. Free memory is still 283.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-11 19:33:10,539 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 134.2MB. Free memory is still 99.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 520.65ms. Allocated memory is still 186.6MB. Free memory was 155.6MB in the beginning and 129.2MB in the end (delta: 26.4MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 57.80ms. Allocated memory is still 186.6MB. Free memory was 129.2MB in the beginning and 125.6MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 63.98ms. Allocated memory is still 186.6MB. Free memory was 125.6MB in the beginning and 122.0MB in the end (delta: 3.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 705.36ms. Allocated memory is still 186.6MB. Free memory was 122.0MB in the beginning and 124.4MB in the end (delta: -2.4MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. * TraceAbstraction took 6750.23ms. Allocated memory was 186.6MB in the beginning and 425.7MB in the end (delta: 239.1MB). Free memory was 124.4MB in the beginning and 283.6MB in the end (delta: -159.2MB). Peak memory consumption was 78.7MB. Max. memory is 16.1GB. * Witness Printer took 2.75ms. Allocated memory is still 425.7MB. Free memory is still 283.6MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 17]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 17. Possible FailurePath: [L709] 0 int __unbuffered_cnt = 0; [L711] 0 int __unbuffered_p2_EAX = 0; [L713] 0 int __unbuffered_p2_EBX = 0; [L714] 0 _Bool main$tmp_guard0; [L715] 0 _Bool main$tmp_guard1; [L717] 0 int x = 0; [L719] 0 int y = 0; [L720] 0 _Bool y$flush_delayed; [L721] 0 int y$mem_tmp; [L722] 0 _Bool y$r_buff0_thd0; [L723] 0 _Bool y$r_buff0_thd1; [L724] 0 _Bool y$r_buff0_thd2; [L725] 0 _Bool y$r_buff0_thd3; [L726] 0 _Bool y$r_buff1_thd0; [L727] 0 _Bool y$r_buff1_thd1; [L728] 0 _Bool y$r_buff1_thd2; [L729] 0 _Bool y$r_buff1_thd3; [L730] 0 _Bool y$read_delayed; [L731] 0 int *y$read_delayed_var; [L732] 0 int y$w_buff0; [L733] 0 _Bool y$w_buff0_used; [L734] 0 int y$w_buff1; [L735] 0 _Bool y$w_buff1_used; [L737] 0 int z = 0; [L738] 0 _Bool weak$$choice0; [L739] 0 _Bool weak$$choice2; [L831] 0 pthread_t t763; [L832] FCALL, FORK 0 pthread_create(&t763, ((void *)0), P0, ((void *)0)) VAL [\old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, t763=-2, weak$$choice0=0, weak$$choice2=0, x=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y=0, z=0] [L833] 0 pthread_t t764; [L834] FCALL, FORK 0 pthread_create(&t764, ((void *)0), P1, ((void *)0)) VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, t763=-2, t764=-1, weak$$choice0=0, weak$$choice2=0, x=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y=0, z=0] [L835] 0 pthread_t t765; [L836] FCALL, FORK 0 pthread_create(&t765, ((void *)0), P2, ((void *)0)) VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, t763=-2, t764=-1, t765=0, weak$$choice0=0, weak$$choice2=0, x=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y=0, z=0] [L778] 3 y$w_buff1 = y$w_buff0 [L779] 3 y$w_buff0 = 2 [L780] 3 y$w_buff1_used = y$w_buff0_used [L781] 3 y$w_buff0_used = (_Bool)1 [L782] CALL 3 __VERIFIER_assert(!(y$w_buff1_used && y$w_buff0_used)) [L18] COND FALSE 3 !(!expression) [L782] RET 3 __VERIFIER_assert(!(y$w_buff1_used && y$w_buff0_used)) [L783] 3 y$r_buff1_thd0 = y$r_buff0_thd0 [L784] 3 y$r_buff1_thd1 = y$r_buff0_thd1 [L785] 3 y$r_buff1_thd2 = y$r_buff0_thd2 [L786] 3 y$r_buff1_thd3 = y$r_buff0_thd3 [L787] 3 y$r_buff0_thd3 = (_Bool)1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, y=0, z=0] [L790] 3 weak$$choice0 = __VERIFIER_nondet_bool() [L791] 3 weak$$choice2 = __VERIFIER_nondet_bool() [L792] 3 y$flush_delayed = weak$$choice2 [L793] 3 y$mem_tmp = y [L794] 3 y = !y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : y$w_buff1) [L795] 3 y$w_buff0 = weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : y$w_buff0)) [L796] 3 y$w_buff1 = weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff1 : y$w_buff1)) [L797] 3 y$w_buff0_used = weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used)) [L798] 3 y$w_buff1_used = weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L799] 3 y$r_buff0_thd3 = weak$$choice2 ? y$r_buff0_thd3 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$r_buff0_thd3 : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3)) [L800] 3 y$r_buff1_thd3 = weak$$choice2 ? y$r_buff1_thd3 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$r_buff1_thd3 : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L801] 3 __unbuffered_p2_EAX = y [L802] 3 y = y$flush_delayed ? y$mem_tmp : y [L803] 3 y$flush_delayed = (_Bool)0 VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, x=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, y=0, z=0] [L806] 3 __unbuffered_p2_EBX = z VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, x=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, y=0, z=0] [L743] 1 z = 1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, x=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, y=0, z=1] [L746] 1 x = 1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, x=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, y=0, z=1] [L758] 2 x = 2 VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, x=2, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, y=0, z=1] [L761] 2 y = 1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, x=2, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, y=1, z=1] [L764] 2 y = y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y) [L765] 2 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used [L766] 2 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$w_buff1_used [L767] 2 y$r_buff0_thd2 = y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2 [L768] 2 y$r_buff1_thd2 = y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$r_buff1_thd2 VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, x=2, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, y=1, z=1] [L809] 3 y = y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd3 ? y$w_buff1 : y) [L810] 3 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used [L811] 3 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$w_buff1_used [L812] 3 y$r_buff0_thd3 = y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3 [L813] 3 y$r_buff1_thd3 = y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$r_buff1_thd3 VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, x=2, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y=2, z=1] [L816] 3 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=1, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, x=2, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y=2, z=1] [L771] 2 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=2, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, x=2, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y=2, z=1] [L751] 1 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=3, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, x=2, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y=2, z=1] [L838] 0 main$tmp_guard0 = __unbuffered_cnt == 3 VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=3, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t763=-2, t764=-1, t765=0, weak$$choice0=0, weak$$choice2=1, x=2, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y=2, z=1] [L840] CALL 0 assume_abort_if_not(main$tmp_guard0) [L3] COND FALSE 0 !(!cond) [L840] RET 0 assume_abort_if_not(main$tmp_guard0) [L842] 0 y = y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L843] 0 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used [L844] 0 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$w_buff1_used [L845] 0 y$r_buff0_thd0 = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0 [L846] 0 y$r_buff1_thd0 = y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$r_buff1_thd0 VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=3, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t763=-2, t764=-1, t765=0, weak$$choice0=0, weak$$choice2=1, x=2, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y=2, z=1] [L849] 0 weak$$choice0 = __VERIFIER_nondet_bool() [L850] 0 weak$$choice2 = __VERIFIER_nondet_bool() [L851] 0 y$flush_delayed = weak$$choice2 [L852] 0 y$mem_tmp = y [L853] 0 y = !y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff1) [L854] 0 y$w_buff0 = weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff0)) [L855] 0 y$w_buff1 = weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff1 : y$w_buff1)) [L856] 0 y$w_buff0_used = weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used)) [L857] 0 y$w_buff1_used = weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L858] 0 y$r_buff0_thd0 = weak$$choice2 ? y$r_buff0_thd0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff0_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0)) [L859] 0 y$r_buff1_thd0 = weak$$choice2 ? y$r_buff1_thd0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff1_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L860] 0 main$tmp_guard1 = !(x == 2 && y == 2 && __unbuffered_p2_EAX == 2 && __unbuffered_p2_EBX == 0) [L861] 0 y = y$flush_delayed ? y$mem_tmp : y [L862] 0 y$flush_delayed = (_Bool)0 VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=3, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t763=-2, t764=-1, t765=0, weak$$choice0=1, weak$$choice2=0, x=2, y$flush_delayed=0, y$mem_tmp=2, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y=2, z=1] [L864] CALL 0 __VERIFIER_assert(main$tmp_guard1) [L18] COND TRUE 0 !expression [L18] CALL 0 reach_error() [L17] COND FALSE 0 !(0) VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=3, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=0, x=2, y$flush_delayed=0, y$mem_tmp=2, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y=2, z=1] [L17] 0 __assert_fail ("0", "mix028_tso.c", 8, __extension__ __PRETTY_FUNCTION__) VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=3, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=0, x=2, y$flush_delayed=0, y$mem_tmp=2, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y=2, z=1] - UnprovableResult [Line: 17]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 829]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 832]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - UnprovableResult [Line: 836]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - UnprovableResult [Line: 834]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 70 locations, 7 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 6.6s, OverallIterations: 9, TraceHistogramMax: 1, PathProgramHistogramMax: 4, EmptinessCheckTime: 0.0s, AutomataDifference: 2.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 388 SdHoareTripleChecker+Valid, 1.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 364 mSDsluCounter, 170 SdHoareTripleChecker+Invalid, 0.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 150 mSDsCounter, 34 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 796 IncrementalHoareTripleChecker+Invalid, 830 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 34 mSolverCounterUnsat, 20 mSDtfsCounter, 796 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 55 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=168occurred in iteration=8, InterpolantAutomatonStates: 44, 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, 0.5s SatisfiabilityAnalysisTime, 3.3s InterpolantComputationTime, 207 NumberOfCodeBlocks, 207 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 168 ConstructedInterpolants, 0 QuantifiedInterpolants, 1086 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-10-11 19:33:10,565 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/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 Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/mix028_tso.i -s /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-clean/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 381687e0b1f81c1857e97f802385548d8501e57e279b70a993237277b7cd3e3a --- Real Ultimate output --- This is Ultimate 0.2.5-dev-84cfde4 [2024-10-11 19:33:12,303 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-11 19:33:12,367 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2024-10-11 19:33:12,372 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-11 19:33:12,372 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-11 19:33:12,399 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-11 19:33:12,400 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-11 19:33:12,400 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-11 19:33:12,400 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-11 19:33:12,400 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-11 19:33:12,401 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-11 19:33:12,401 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-11 19:33:12,403 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-11 19:33:12,403 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-11 19:33:12,403 INFO L153 SettingsManager]: * Use SBE=true [2024-10-11 19:33:12,404 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-11 19:33:12,404 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-11 19:33:12,405 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-11 19:33:12,405 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-11 19:33:12,405 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-11 19:33:12,405 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-10-11 19:33:12,406 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-10-11 19:33:12,406 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-10-11 19:33:12,407 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-11 19:33:12,407 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-10-11 19:33:12,407 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-10-11 19:33:12,407 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-11 19:33:12,407 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-10-11 19:33:12,408 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-11 19:33:12,408 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-11 19:33:12,408 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-11 19:33:12,408 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-11 19:33:12,408 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-11 19:33:12,409 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-11 19:33:12,409 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-11 19:33:12,409 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 19:33:12,413 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-11 19:33:12,413 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-11 19:33:12,413 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-10-11 19:33:12,414 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-10-11 19:33:12,414 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-11 19:33:12,414 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-11 19:33:12,414 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-11 19:33:12,414 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-11 19:33:12,414 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-10-11 19:33:12,415 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-clean/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 381687e0b1f81c1857e97f802385548d8501e57e279b70a993237277b7cd3e3a [2024-10-11 19:33:12,667 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-11 19:33:12,685 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-11 19:33:12,687 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-11 19:33:12,688 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-11 19:33:12,688 INFO L274 PluginConnector]: CDTParser initialized [2024-10-11 19:33:12,690 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/mix028_tso.i [2024-10-11 19:33:13,894 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-11 19:33:14,079 INFO L384 CDTParser]: Found 1 translation units. [2024-10-11 19:33:14,079 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/mix028_tso.i [2024-10-11 19:33:14,095 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/7fc1b3cb2/9f1b712b3ed54aadabfdcf6b615fd838/FLAGf81a81a74 [2024-10-11 19:33:14,446 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/7fc1b3cb2/9f1b712b3ed54aadabfdcf6b615fd838 [2024-10-11 19:33:14,447 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-11 19:33:14,448 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-11 19:33:14,450 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-11 19:33:14,450 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-11 19:33:14,454 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-11 19:33:14,455 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 07:33:14" (1/1) ... [2024-10-11 19:33:14,456 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d5644d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:33:14, skipping insertion in model container [2024-10-11 19:33:14,456 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 07:33:14" (1/1) ... [2024-10-11 19:33:14,501 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-11 19:33:14,844 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 19:33:14,864 INFO L200 MainTranslator]: Completed pre-run [2024-10-11 19:33:14,929 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 19:33:14,964 INFO L204 MainTranslator]: Completed translation [2024-10-11 19:33:14,965 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:33:14 WrapperNode [2024-10-11 19:33:14,965 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-11 19:33:14,966 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-11 19:33:14,966 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-11 19:33:14,966 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-11 19:33:14,971 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:33:14" (1/1) ... [2024-10-11 19:33:14,995 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:33:14" (1/1) ... [2024-10-11 19:33:15,033 INFO L138 Inliner]: procedures = 176, calls = 45, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 161 [2024-10-11 19:33:15,034 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-11 19:33:15,034 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-11 19:33:15,034 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-11 19:33:15,034 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-11 19:33:15,044 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:33:14" (1/1) ... [2024-10-11 19:33:15,045 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:33:14" (1/1) ... [2024-10-11 19:33:15,047 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:33:14" (1/1) ... [2024-10-11 19:33:15,067 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]. [2024-10-11 19:33:15,070 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:33:14" (1/1) ... [2024-10-11 19:33:15,070 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:33:14" (1/1) ... [2024-10-11 19:33:15,078 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:33:14" (1/1) ... [2024-10-11 19:33:15,080 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:33:14" (1/1) ... [2024-10-11 19:33:15,081 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:33:14" (1/1) ... [2024-10-11 19:33:15,082 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:33:14" (1/1) ... [2024-10-11 19:33:15,085 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-11 19:33:15,085 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-11 19:33:15,086 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-11 19:33:15,086 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-11 19:33:15,086 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:33:14" (1/1) ... [2024-10-11 19:33:15,090 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 19:33:15,102 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 19:33:15,115 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-11 19:33:15,117 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-11 19:33:15,153 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-10-11 19:33:15,153 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-11 19:33:15,153 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-10-11 19:33:15,153 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-10-11 19:33:15,153 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-10-11 19:33:15,154 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-10-11 19:33:15,154 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-10-11 19:33:15,154 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-10-11 19:33:15,155 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-10-11 19:33:15,155 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-10-11 19:33:15,155 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-11 19:33:15,155 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-11 19:33:15,156 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-11 19:33:15,299 INFO L238 CfgBuilder]: Building ICFG [2024-10-11 19:33:15,301 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-11 19:33:15,630 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-11 19:33:15,630 INFO L287 CfgBuilder]: Performing block encoding [2024-10-11 19:33:15,837 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-11 19:33:15,838 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-11 19:33:15,838 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 07:33:15 BoogieIcfgContainer [2024-10-11 19:33:15,838 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-11 19:33:15,839 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-11 19:33:15,839 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-11 19:33:15,843 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-11 19:33:15,843 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 07:33:14" (1/3) ... [2024-10-11 19:33:15,844 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75f5ed2a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 07:33:15, skipping insertion in model container [2024-10-11 19:33:15,844 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:33:14" (2/3) ... [2024-10-11 19:33:15,844 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75f5ed2a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 07:33:15, skipping insertion in model container [2024-10-11 19:33:15,845 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 07:33:15" (3/3) ... [2024-10-11 19:33:15,846 INFO L112 eAbstractionObserver]: Analyzing ICFG mix028_tso.i [2024-10-11 19:33:15,859 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-11 19:33:15,859 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2024-10-11 19:33:15,859 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-11 19:33:15,902 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-10-11 19:33:15,928 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 53 places, 45 transitions, 102 flow [2024-10-11 19:33:15,954 INFO L124 PetriNetUnfolderBase]: 2/42 cut-off events. [2024-10-11 19:33:15,955 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-11 19:33:15,957 INFO L83 FinitePrefix]: Finished finitePrefix Result has 52 conditions, 42 events. 2/42 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 80 event pairs, 0 based on Foata normal form. 0/37 useless extension candidates. Maximal degree in co-relation 44. Up to 2 conditions per place. [2024-10-11 19:33:15,958 INFO L82 GeneralOperation]: Start removeDead. Operand has 53 places, 45 transitions, 102 flow [2024-10-11 19:33:15,961 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 50 places, 42 transitions, 93 flow [2024-10-11 19:33:15,969 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-11 19:33:15,974 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;@6903a904, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-11 19:33:15,975 INFO L334 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2024-10-11 19:33:15,981 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-10-11 19:33:15,981 INFO L124 PetriNetUnfolderBase]: 0/17 cut-off events. [2024-10-11 19:33:15,981 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-11 19:33:15,982 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 19:33:15,982 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 19:33:15,983 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting P2Err0ASSERT_VIOLATIONMEMORY_LEAK === [P2Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-10-11 19:33:15,986 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 19:33:15,986 INFO L85 PathProgramCache]: Analyzing trace with hash 1704595147, now seen corresponding path program 1 times [2024-10-11 19:33:15,997 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-11 19:33:15,997 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [295640998] [2024-10-11 19:33:15,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 19:33:15,998 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-11 19:33:15,998 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-11 19:33:16,001 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-10-11 19:33:16,002 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-10-11 19:33:16,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 19:33:16,087 INFO L255 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-11 19:33:16,090 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 19:33:16,120 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 19:33:16,120 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 19:33:16,120 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-11 19:33:16,120 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [295640998] [2024-10-11 19:33:16,121 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [295640998] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 19:33:16,121 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 19:33:16,121 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-10-11 19:33:16,122 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [870671137] [2024-10-11 19:33:16,123 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 19:33:16,128 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 19:33:16,131 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-11 19:33:16,149 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 19:33:16,150 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 19:33:16,151 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 20 out of 45 [2024-10-11 19:33:16,153 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 50 places, 42 transitions, 93 flow. Second operand has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 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) [2024-10-11 19:33:16,153 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 19:33:16,153 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 20 of 45 [2024-10-11 19:33:16,154 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 19:33:16,415 INFO L124 PetriNetUnfolderBase]: 518/962 cut-off events. [2024-10-11 19:33:16,416 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-11 19:33:16,420 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1790 conditions, 962 events. 518/962 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 98. Compared 6599 event pairs, 74 based on Foata normal form. 60/1012 useless extension candidates. Maximal degree in co-relation 1779. Up to 661 conditions per place. [2024-10-11 19:33:16,426 INFO L140 encePairwiseOnDemand]: 40/45 looper letters, 28 selfloop transitions, 2 changer transitions 2/49 dead transitions. [2024-10-11 19:33:16,426 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 50 places, 49 transitions, 171 flow [2024-10-11 19:33:16,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 19:33:16,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-11 19:33:16,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 97 transitions. [2024-10-11 19:33:16,437 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7185185185185186 [2024-10-11 19:33:16,438 INFO L175 Difference]: Start difference. First operand has 50 places, 42 transitions, 93 flow. Second operand 3 states and 97 transitions. [2024-10-11 19:33:16,439 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 50 places, 49 transitions, 171 flow [2024-10-11 19:33:16,441 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 47 places, 49 transitions, 168 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-10-11 19:33:16,444 INFO L231 Difference]: Finished difference. Result has 47 places, 37 transitions, 84 flow [2024-10-11 19:33:16,446 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=45, PETRI_DIFFERENCE_MINUEND_FLOW=82, PETRI_DIFFERENCE_MINUEND_PLACES=45, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=38, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=36, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=84, PETRI_PLACES=47, PETRI_TRANSITIONS=37} [2024-10-11 19:33:16,449 INFO L277 CegarLoopForPetriNet]: 50 programPoint places, -3 predicate places. [2024-10-11 19:33:16,450 INFO L471 AbstractCegarLoop]: Abstraction has has 47 places, 37 transitions, 84 flow [2024-10-11 19:33:16,450 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 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) [2024-10-11 19:33:16,450 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 19:33:16,450 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 19:33:16,454 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-10-11 19:33:16,654 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-11 19:33:16,655 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [P2Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-10-11 19:33:16,656 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 19:33:16,656 INFO L85 PathProgramCache]: Analyzing trace with hash 422903376, now seen corresponding path program 1 times [2024-10-11 19:33:16,656 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-11 19:33:16,656 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [888606662] [2024-10-11 19:33:16,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 19:33:16,657 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-11 19:33:16,657 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-11 19:33:16,659 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-10-11 19:33:16,660 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-10-11 19:33:16,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 19:33:16,742 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-11 19:33:16,743 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 19:33:16,787 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 19:33:16,787 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 19:33:16,787 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-11 19:33:16,787 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [888606662] [2024-10-11 19:33:16,788 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [888606662] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 19:33:16,788 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 19:33:16,788 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 19:33:16,788 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [732384836] [2024-10-11 19:33:16,788 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 19:33:16,789 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 19:33:16,790 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-11 19:33:16,790 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 19:33:16,791 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 19:33:16,795 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 45 [2024-10-11 19:33:16,796 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 47 places, 37 transitions, 84 flow. Second operand has 4 states, 4 states have (on average 19.25) internal successors, (77), 4 states have internal predecessors, (77), 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) [2024-10-11 19:33:16,796 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 19:33:16,796 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 45 [2024-10-11 19:33:16,796 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 19:33:17,077 INFO L124 PetriNetUnfolderBase]: 1355/2321 cut-off events. [2024-10-11 19:33:17,077 INFO L125 PetriNetUnfolderBase]: For 106/106 co-relation queries the response was YES. [2024-10-11 19:33:17,080 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4513 conditions, 2321 events. 1355/2321 cut-off events. For 106/106 co-relation queries the response was YES. Maximal size of possible extension queue 178. Compared 14821 event pairs, 107 based on Foata normal form. 72/2388 useless extension candidates. Maximal degree in co-relation 4503. Up to 1415 conditions per place. [2024-10-11 19:33:17,087 INFO L140 encePairwiseOnDemand]: 39/45 looper letters, 41 selfloop transitions, 5 changer transitions 1/60 dead transitions. [2024-10-11 19:33:17,087 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 49 places, 60 transitions, 232 flow [2024-10-11 19:33:17,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 19:33:17,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-10-11 19:33:17,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 113 transitions. [2024-10-11 19:33:17,088 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6277777777777778 [2024-10-11 19:33:17,089 INFO L175 Difference]: Start difference. First operand has 47 places, 37 transitions, 84 flow. Second operand 4 states and 113 transitions. [2024-10-11 19:33:17,089 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 49 places, 60 transitions, 232 flow [2024-10-11 19:33:17,089 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 47 places, 60 transitions, 224 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-11 19:33:17,091 INFO L231 Difference]: Finished difference. Result has 49 places, 40 transitions, 114 flow [2024-10-11 19:33:17,091 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=45, PETRI_DIFFERENCE_MINUEND_FLOW=80, PETRI_DIFFERENCE_MINUEND_PLACES=44, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=37, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=32, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=114, PETRI_PLACES=49, PETRI_TRANSITIONS=40} [2024-10-11 19:33:17,093 INFO L277 CegarLoopForPetriNet]: 50 programPoint places, -1 predicate places. [2024-10-11 19:33:17,093 INFO L471 AbstractCegarLoop]: Abstraction has has 49 places, 40 transitions, 114 flow [2024-10-11 19:33:17,095 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.25) internal successors, (77), 4 states have internal predecessors, (77), 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) [2024-10-11 19:33:17,095 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 19:33:17,095 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 19:33:17,099 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-10-11 19:33:17,295 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-11 19:33:17,296 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [P2Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-10-11 19:33:17,296 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 19:33:17,296 INFO L85 PathProgramCache]: Analyzing trace with hash 1427107451, now seen corresponding path program 1 times [2024-10-11 19:33:17,297 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-11 19:33:17,297 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2085918933] [2024-10-11 19:33:17,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 19:33:17,297 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-11 19:33:17,297 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-11 19:33:17,299 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-10-11 19:33:17,301 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-10-11 19:33:17,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 19:33:17,376 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-11 19:33:17,377 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 19:33:17,405 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 19:33:17,405 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 19:33:17,406 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-11 19:33:17,406 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2085918933] [2024-10-11 19:33:17,406 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2085918933] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 19:33:17,406 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 19:33:17,406 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 19:33:17,406 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [587526941] [2024-10-11 19:33:17,406 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 19:33:17,406 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 19:33:17,407 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-11 19:33:17,407 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 19:33:17,407 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-11 19:33:17,420 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 45 [2024-10-11 19:33:17,420 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 49 places, 40 transitions, 114 flow. Second operand has 5 states, 5 states have (on average 18.8) internal successors, (94), 5 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 19:33:17,420 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 19:33:17,420 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 45 [2024-10-11 19:33:17,420 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 19:33:17,632 INFO L124 PetriNetUnfolderBase]: 869/1517 cut-off events. [2024-10-11 19:33:17,633 INFO L125 PetriNetUnfolderBase]: For 376/376 co-relation queries the response was YES. [2024-10-11 19:33:17,635 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3399 conditions, 1517 events. 869/1517 cut-off events. For 376/376 co-relation queries the response was YES. Maximal size of possible extension queue 89. Compared 8568 event pairs, 41 based on Foata normal form. 64/1576 useless extension candidates. Maximal degree in co-relation 3387. Up to 729 conditions per place. [2024-10-11 19:33:17,639 INFO L140 encePairwiseOnDemand]: 39/45 looper letters, 51 selfloop transitions, 8 changer transitions 1/73 dead transitions. [2024-10-11 19:33:17,639 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 53 places, 73 transitions, 321 flow [2024-10-11 19:33:17,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 19:33:17,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-10-11 19:33:17,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 142 transitions. [2024-10-11 19:33:17,642 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6311111111111111 [2024-10-11 19:33:17,642 INFO L175 Difference]: Start difference. First operand has 49 places, 40 transitions, 114 flow. Second operand 5 states and 142 transitions. [2024-10-11 19:33:17,643 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 53 places, 73 transitions, 321 flow [2024-10-11 19:33:17,644 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 51 places, 73 transitions, 311 flow, removed 1 selfloop flow, removed 2 redundant places. [2024-10-11 19:33:17,646 INFO L231 Difference]: Finished difference. Result has 53 places, 43 transitions, 154 flow [2024-10-11 19:33:17,646 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=45, PETRI_DIFFERENCE_MINUEND_FLOW=106, PETRI_DIFFERENCE_MINUEND_PLACES=47, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=40, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=32, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=154, PETRI_PLACES=53, PETRI_TRANSITIONS=43} [2024-10-11 19:33:17,647 INFO L277 CegarLoopForPetriNet]: 50 programPoint places, 3 predicate places. [2024-10-11 19:33:17,647 INFO L471 AbstractCegarLoop]: Abstraction has has 53 places, 43 transitions, 154 flow [2024-10-11 19:33:17,647 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.8) internal successors, (94), 5 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 19:33:17,648 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 19:33:17,648 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 19:33:17,652 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2024-10-11 19:33:17,850 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-11 19:33:17,851 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [P2Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-10-11 19:33:17,851 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 19:33:17,851 INFO L85 PathProgramCache]: Analyzing trace with hash -1790784842, now seen corresponding path program 1 times [2024-10-11 19:33:17,852 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-11 19:33:17,852 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [948111477] [2024-10-11 19:33:17,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 19:33:17,853 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-11 19:33:17,853 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-11 19:33:17,854 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-10-11 19:33:17,855 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2024-10-11 19:33:17,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 19:33:17,927 INFO L255 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-11 19:33:17,928 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 19:33:17,972 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 19:33:17,973 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 19:33:17,973 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-11 19:33:17,973 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [948111477] [2024-10-11 19:33:17,973 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [948111477] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 19:33:17,973 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 19:33:17,973 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 19:33:17,974 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1643194545] [2024-10-11 19:33:17,974 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 19:33:17,974 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-11 19:33:17,974 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-11 19:33:17,975 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-11 19:33:17,975 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-11 19:33:17,979 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 45 [2024-10-11 19:33:17,979 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 53 places, 43 transitions, 154 flow. Second operand has 6 states, 6 states have (on average 18.666666666666668) internal successors, (112), 6 states have internal predecessors, (112), 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) [2024-10-11 19:33:17,980 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 19:33:17,980 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 45 [2024-10-11 19:33:17,980 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 19:33:18,201 INFO L124 PetriNetUnfolderBase]: 435/747 cut-off events. [2024-10-11 19:33:18,202 INFO L125 PetriNetUnfolderBase]: For 671/671 co-relation queries the response was YES. [2024-10-11 19:33:18,204 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1957 conditions, 747 events. 435/747 cut-off events. For 671/671 co-relation queries the response was YES. Maximal size of possible extension queue 43. Compared 3317 event pairs, 29 based on Foata normal form. 36/778 useless extension candidates. Maximal degree in co-relation 1943. Up to 268 conditions per place. [2024-10-11 19:33:18,207 INFO L140 encePairwiseOnDemand]: 39/45 looper letters, 45 selfloop transitions, 11 changer transitions 1/70 dead transitions. [2024-10-11 19:33:18,207 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 58 places, 70 transitions, 332 flow [2024-10-11 19:33:18,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-11 19:33:18,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-11 19:33:18,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 155 transitions. [2024-10-11 19:33:18,210 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5740740740740741 [2024-10-11 19:33:18,210 INFO L175 Difference]: Start difference. First operand has 53 places, 43 transitions, 154 flow. Second operand 6 states and 155 transitions. [2024-10-11 19:33:18,211 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 58 places, 70 transitions, 332 flow [2024-10-11 19:33:18,213 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 54 places, 70 transitions, 307 flow, removed 4 selfloop flow, removed 4 redundant places. [2024-10-11 19:33:18,214 INFO L231 Difference]: Finished difference. Result has 56 places, 43 transitions, 168 flow [2024-10-11 19:33:18,215 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=45, PETRI_DIFFERENCE_MINUEND_FLOW=132, PETRI_DIFFERENCE_MINUEND_PLACES=49, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=43, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=32, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=168, PETRI_PLACES=56, PETRI_TRANSITIONS=43} [2024-10-11 19:33:18,216 INFO L277 CegarLoopForPetriNet]: 50 programPoint places, 6 predicate places. [2024-10-11 19:33:18,216 INFO L471 AbstractCegarLoop]: Abstraction has has 56 places, 43 transitions, 168 flow [2024-10-11 19:33:18,217 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 18.666666666666668) internal successors, (112), 6 states have internal predecessors, (112), 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) [2024-10-11 19:33:18,217 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 19:33:18,217 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] [2024-10-11 19:33:18,222 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2024-10-11 19:33:18,420 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-11 19:33:18,420 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [P2Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-10-11 19:33:18,421 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 19:33:18,421 INFO L85 PathProgramCache]: Analyzing trace with hash 522486406, now seen corresponding path program 1 times [2024-10-11 19:33:18,421 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-11 19:33:18,421 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1643024276] [2024-10-11 19:33:18,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 19:33:18,422 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-11 19:33:18,422 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-11 19:33:18,427 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-10-11 19:33:18,428 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2024-10-11 19:33:18,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 19:33:18,506 INFO L255 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-11 19:33:18,507 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 19:33:18,546 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 19:33:18,546 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 19:33:18,547 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-11 19:33:18,547 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1643024276] [2024-10-11 19:33:18,547 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1643024276] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 19:33:18,547 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 19:33:18,547 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-10-11 19:33:18,547 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [909608408] [2024-10-11 19:33:18,547 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 19:33:18,547 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 19:33:18,548 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-11 19:33:18,548 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 19:33:18,548 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 19:33:18,548 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 19 out of 45 [2024-10-11 19:33:18,549 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 56 places, 43 transitions, 168 flow. Second operand has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 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) [2024-10-11 19:33:18,549 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 19:33:18,549 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 19 of 45 [2024-10-11 19:33:18,549 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 19:33:18,606 INFO L124 PetriNetUnfolderBase]: 216/450 cut-off events. [2024-10-11 19:33:18,607 INFO L125 PetriNetUnfolderBase]: For 199/211 co-relation queries the response was YES. [2024-10-11 19:33:18,608 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1012 conditions, 450 events. 216/450 cut-off events. For 199/211 co-relation queries the response was YES. Maximal size of possible extension queue 37. Compared 2099 event pairs, 201 based on Foata normal form. 8/433 useless extension candidates. Maximal degree in co-relation 997. Up to 348 conditions per place. [2024-10-11 19:33:18,609 INFO L140 encePairwiseOnDemand]: 43/45 looper letters, 18 selfloop transitions, 1 changer transitions 1/42 dead transitions. [2024-10-11 19:33:18,609 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 57 places, 42 transitions, 206 flow [2024-10-11 19:33:18,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 19:33:18,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-11 19:33:18,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 78 transitions. [2024-10-11 19:33:18,610 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5777777777777777 [2024-10-11 19:33:18,610 INFO L175 Difference]: Start difference. First operand has 56 places, 43 transitions, 168 flow. Second operand 3 states and 78 transitions. [2024-10-11 19:33:18,611 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 57 places, 42 transitions, 206 flow [2024-10-11 19:33:18,612 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 49 places, 42 transitions, 150 flow, removed 10 selfloop flow, removed 8 redundant places. [2024-10-11 19:33:18,613 INFO L231 Difference]: Finished difference. Result has 49 places, 41 transitions, 110 flow [2024-10-11 19:33:18,613 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=45, PETRI_DIFFERENCE_MINUEND_FLOW=110, PETRI_DIFFERENCE_MINUEND_PLACES=47, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=42, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=41, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=110, PETRI_PLACES=49, PETRI_TRANSITIONS=41} [2024-10-11 19:33:18,613 INFO L277 CegarLoopForPetriNet]: 50 programPoint places, -1 predicate places. [2024-10-11 19:33:18,614 INFO L471 AbstractCegarLoop]: Abstraction has has 49 places, 41 transitions, 110 flow [2024-10-11 19:33:18,614 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 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) [2024-10-11 19:33:18,614 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 19:33:18,614 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] [2024-10-11 19:33:18,619 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Ended with exit code 0 [2024-10-11 19:33:18,814 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-11 19:33:18,815 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P2Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-10-11 19:33:18,816 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 19:33:18,816 INFO L85 PathProgramCache]: Analyzing trace with hash 1608947060, now seen corresponding path program 1 times [2024-10-11 19:33:18,817 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-11 19:33:18,817 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1745801368] [2024-10-11 19:33:18,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 19:33:18,817 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-11 19:33:18,817 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-11 19:33:18,819 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-10-11 19:33:18,820 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2024-10-11 19:33:18,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 19:33:18,902 INFO L255 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-11 19:33:18,904 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 19:33:19,215 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 19:33:19,215 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 19:33:19,215 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-11 19:33:19,216 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1745801368] [2024-10-11 19:33:19,216 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1745801368] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 19:33:19,217 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 19:33:19,217 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-11 19:33:19,217 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2002535287] [2024-10-11 19:33:19,217 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 19:33:19,217 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-11 19:33:19,217 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-11 19:33:19,218 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-11 19:33:19,218 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-11 19:33:19,224 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 45 [2024-10-11 19:33:19,225 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 49 places, 41 transitions, 110 flow. Second operand has 6 states, 6 states have (on average 21.0) internal successors, (126), 6 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) [2024-10-11 19:33:19,225 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 19:33:19,225 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 45 [2024-10-11 19:33:19,225 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 19:33:19,415 INFO L124 PetriNetUnfolderBase]: 457/908 cut-off events. [2024-10-11 19:33:19,416 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-11 19:33:19,418 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1772 conditions, 908 events. 457/908 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 60. Compared 4676 event pairs, 152 based on Foata normal form. 8/886 useless extension candidates. Maximal degree in co-relation 1765. Up to 395 conditions per place. [2024-10-11 19:33:19,420 INFO L140 encePairwiseOnDemand]: 40/45 looper letters, 25 selfloop transitions, 1 changer transitions 23/69 dead transitions. [2024-10-11 19:33:19,420 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 53 places, 69 transitions, 268 flow [2024-10-11 19:33:19,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-11 19:33:19,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-11 19:33:19,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 158 transitions. [2024-10-11 19:33:19,421 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5851851851851851 [2024-10-11 19:33:19,421 INFO L175 Difference]: Start difference. First operand has 49 places, 41 transitions, 110 flow. Second operand 6 states and 158 transitions. [2024-10-11 19:33:19,421 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 53 places, 69 transitions, 268 flow [2024-10-11 19:33:19,422 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 52 places, 69 transitions, 267 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-11 19:33:19,423 INFO L231 Difference]: Finished difference. Result has 56 places, 41 transitions, 120 flow [2024-10-11 19:33:19,423 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=45, PETRI_DIFFERENCE_MINUEND_FLOW=109, PETRI_DIFFERENCE_MINUEND_PLACES=47, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=41, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=40, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=120, PETRI_PLACES=56, PETRI_TRANSITIONS=41} [2024-10-11 19:33:19,423 INFO L277 CegarLoopForPetriNet]: 50 programPoint places, 6 predicate places. [2024-10-11 19:33:19,423 INFO L471 AbstractCegarLoop]: Abstraction has has 56 places, 41 transitions, 120 flow [2024-10-11 19:33:19,424 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 21.0) internal successors, (126), 6 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) [2024-10-11 19:33:19,424 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 19:33:19,424 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] [2024-10-11 19:33:19,435 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2024-10-11 19:33:19,627 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-11 19:33:19,628 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P2Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-10-11 19:33:19,628 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 19:33:19,628 INFO L85 PathProgramCache]: Analyzing trace with hash -219572298, now seen corresponding path program 2 times [2024-10-11 19:33:19,628 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-11 19:33:19,629 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1544403934] [2024-10-11 19:33:19,629 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-11 19:33:19,629 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-11 19:33:19,629 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-11 19:33:19,631 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-10-11 19:33:19,632 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2024-10-11 19:33:19,704 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-10-11 19:33:19,705 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-11 19:33:19,707 INFO L255 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-11 19:33:19,709 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 19:33:19,756 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 19:33:19,757 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 19:33:19,757 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-11 19:33:19,757 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1544403934] [2024-10-11 19:33:19,757 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1544403934] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 19:33:19,757 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 19:33:19,757 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 19:33:19,757 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [719585442] [2024-10-11 19:33:19,757 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 19:33:19,758 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 19:33:19,758 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-11 19:33:19,758 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 19:33:19,758 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-11 19:33:19,763 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 45 [2024-10-11 19:33:19,764 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 56 places, 41 transitions, 120 flow. Second operand has 5 states, 5 states have (on average 21.6) internal successors, (108), 5 states have internal predecessors, (108), 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) [2024-10-11 19:33:19,764 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 19:33:19,764 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 45 [2024-10-11 19:33:19,764 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 19:33:19,940 INFO L124 PetriNetUnfolderBase]: 607/1223 cut-off events. [2024-10-11 19:33:19,940 INFO L125 PetriNetUnfolderBase]: For 9/9 co-relation queries the response was YES. [2024-10-11 19:33:19,943 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2425 conditions, 1223 events. 607/1223 cut-off events. For 9/9 co-relation queries the response was YES. Maximal size of possible extension queue 78. Compared 7105 event pairs, 257 based on Foata normal form. 8/1168 useless extension candidates. Maximal degree in co-relation 2414. Up to 477 conditions per place. [2024-10-11 19:33:19,945 INFO L140 encePairwiseOnDemand]: 40/45 looper letters, 23 selfloop transitions, 2 changer transitions 19/64 dead transitions. [2024-10-11 19:33:19,945 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 57 places, 64 transitions, 262 flow [2024-10-11 19:33:19,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 19:33:19,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-10-11 19:33:19,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 135 transitions. [2024-10-11 19:33:19,962 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6 [2024-10-11 19:33:19,962 INFO L175 Difference]: Start difference. First operand has 56 places, 41 transitions, 120 flow. Second operand 5 states and 135 transitions. [2024-10-11 19:33:19,962 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 57 places, 64 transitions, 262 flow [2024-10-11 19:33:19,963 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 53 places, 64 transitions, 251 flow, removed 5 selfloop flow, removed 4 redundant places. [2024-10-11 19:33:19,964 INFO L231 Difference]: Finished difference. Result has 56 places, 41 transitions, 125 flow [2024-10-11 19:33:19,964 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=45, PETRI_DIFFERENCE_MINUEND_FLOW=113, PETRI_DIFFERENCE_MINUEND_PLACES=49, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=41, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=39, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=125, PETRI_PLACES=56, PETRI_TRANSITIONS=41} [2024-10-11 19:33:19,964 INFO L277 CegarLoopForPetriNet]: 50 programPoint places, 6 predicate places. [2024-10-11 19:33:19,965 INFO L471 AbstractCegarLoop]: Abstraction has has 56 places, 41 transitions, 125 flow [2024-10-11 19:33:19,965 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 21.6) internal successors, (108), 5 states have internal predecessors, (108), 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) [2024-10-11 19:33:19,965 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 19:33:19,965 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] [2024-10-11 19:33:19,969 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Ended with exit code 0 [2024-10-11 19:33:20,168 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-11 19:33:20,169 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P2Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-10-11 19:33:20,169 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 19:33:20,170 INFO L85 PathProgramCache]: Analyzing trace with hash -1826902000, now seen corresponding path program 3 times [2024-10-11 19:33:20,171 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-11 19:33:20,171 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [891019194] [2024-10-11 19:33:20,171 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-11 19:33:20,171 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-11 19:33:20,171 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-11 19:33:20,175 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-10-11 19:33:20,175 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2024-10-11 19:33:20,243 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2024-10-11 19:33:20,244 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2024-10-11 19:33:20,244 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-11 19:33:20,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-11 19:33:20,355 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2024-10-11 19:33:20,356 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-11 19:33:20,356 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (6 of 7 remaining) [2024-10-11 19:33:20,358 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err0ASSERT_VIOLATIONMEMORY_LEAK (5 of 7 remaining) [2024-10-11 19:33:20,358 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (4 of 7 remaining) [2024-10-11 19:33:20,358 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 7 remaining) [2024-10-11 19:33:20,358 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 7 remaining) [2024-10-11 19:33:20,358 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 7 remaining) [2024-10-11 19:33:20,359 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err0ASSERT_VIOLATIONMEMORY_LEAK (0 of 7 remaining) [2024-10-11 19:33:20,364 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2024-10-11 19:33:20,562 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-11 19:33:20,563 INFO L407 BasicCegarLoop]: Path program histogram: [3, 1, 1, 1, 1, 1] [2024-10-11 19:33:20,630 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-10-11 19:33:20,630 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-11 19:33:20,634 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 07:33:20 BasicIcfg [2024-10-11 19:33:20,634 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-11 19:33:20,634 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-11 19:33:20,635 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-11 19:33:20,635 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-11 19:33:20,635 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 07:33:15" (3/4) ... [2024-10-11 19:33:20,636 INFO L142 WitnessPrinter]: No result that supports witness generation found [2024-10-11 19:33:20,637 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-11 19:33:20,640 INFO L158 Benchmark]: Toolchain (without parser) took 6189.26ms. Allocated memory was 83.9MB in the beginning and 159.4MB in the end (delta: 75.5MB). Free memory was 49.8MB in the beginning and 96.2MB in the end (delta: -46.4MB). Peak memory consumption was 31.1MB. Max. memory is 16.1GB. [2024-10-11 19:33:20,641 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 83.9MB. Free memory is still 60.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-11 19:33:20,641 INFO L158 Benchmark]: CACSL2BoogieTranslator took 515.26ms. Allocated memory is still 83.9MB. Free memory was 49.4MB in the beginning and 49.6MB in the end (delta: -168.7kB). Peak memory consumption was 17.2MB. Max. memory is 16.1GB. [2024-10-11 19:33:20,641 INFO L158 Benchmark]: Boogie Procedure Inliner took 68.00ms. Allocated memory is still 83.9MB. Free memory was 49.6MB in the beginning and 46.5MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-11 19:33:20,641 INFO L158 Benchmark]: Boogie Preprocessor took 50.64ms. Allocated memory is still 83.9MB. Free memory was 46.5MB in the beginning and 43.0MB in the end (delta: 3.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-11 19:33:20,641 INFO L158 Benchmark]: RCFGBuilder took 752.70ms. Allocated memory was 83.9MB in the beginning and 109.1MB in the end (delta: 25.2MB). Free memory was 42.6MB in the beginning and 51.6MB in the end (delta: -9.0MB). Peak memory consumption was 20.8MB. Max. memory is 16.1GB. [2024-10-11 19:33:20,642 INFO L158 Benchmark]: TraceAbstraction took 4794.71ms. Allocated memory was 109.1MB in the beginning and 159.4MB in the end (delta: 50.3MB). Free memory was 50.8MB in the beginning and 97.2MB in the end (delta: -46.4MB). Peak memory consumption was 3.5MB. Max. memory is 16.1GB. [2024-10-11 19:33:20,642 INFO L158 Benchmark]: Witness Printer took 2.70ms. Allocated memory is still 159.4MB. Free memory was 97.2MB in the beginning and 96.2MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-11 19:33:20,643 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 83.9MB. Free memory is still 60.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 515.26ms. Allocated memory is still 83.9MB. Free memory was 49.4MB in the beginning and 49.6MB in the end (delta: -168.7kB). Peak memory consumption was 17.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 68.00ms. Allocated memory is still 83.9MB. Free memory was 49.6MB in the beginning and 46.5MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 50.64ms. Allocated memory is still 83.9MB. Free memory was 46.5MB in the beginning and 43.0MB in the end (delta: 3.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 752.70ms. Allocated memory was 83.9MB in the beginning and 109.1MB in the end (delta: 25.2MB). Free memory was 42.6MB in the beginning and 51.6MB in the end (delta: -9.0MB). Peak memory consumption was 20.8MB. Max. memory is 16.1GB. * TraceAbstraction took 4794.71ms. Allocated memory was 109.1MB in the beginning and 159.4MB in the end (delta: 50.3MB). Free memory was 50.8MB in the beginning and 97.2MB in the end (delta: -46.4MB). Peak memory consumption was 3.5MB. Max. memory is 16.1GB. * Witness Printer took 2.70ms. Allocated memory is still 159.4MB. Free memory was 97.2MB in the beginning and 96.2MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 17]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 17. Possible FailurePath: [L709] 0 int __unbuffered_cnt = 0; [L711] 0 int __unbuffered_p2_EAX = 0; [L713] 0 int __unbuffered_p2_EBX = 0; [L714] 0 _Bool main$tmp_guard0; [L715] 0 _Bool main$tmp_guard1; [L717] 0 int x = 0; [L719] 0 int y = 0; [L720] 0 _Bool y$flush_delayed; [L721] 0 int y$mem_tmp; [L722] 0 _Bool y$r_buff0_thd0; [L723] 0 _Bool y$r_buff0_thd1; [L724] 0 _Bool y$r_buff0_thd2; [L725] 0 _Bool y$r_buff0_thd3; [L726] 0 _Bool y$r_buff1_thd0; [L727] 0 _Bool y$r_buff1_thd1; [L728] 0 _Bool y$r_buff1_thd2; [L729] 0 _Bool y$r_buff1_thd3; [L730] 0 _Bool y$read_delayed; [L731] 0 int *y$read_delayed_var; [L732] 0 int y$w_buff0; [L733] 0 _Bool y$w_buff0_used; [L734] 0 int y$w_buff1; [L735] 0 _Bool y$w_buff1_used; [L737] 0 int z = 0; [L738] 0 _Bool weak$$choice0; [L739] 0 _Bool weak$$choice2; [L831] 0 pthread_t t763; [L832] FCALL, FORK 0 pthread_create(&t763, ((void *)0), P0, ((void *)0)) VAL [\old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, t763=0, weak$$choice0=0, weak$$choice2=0, x=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y=0, z=0] [L833] 0 pthread_t t764; [L834] FCALL, FORK 0 pthread_create(&t764, ((void *)0), P1, ((void *)0)) VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, t763=0, t764=1, weak$$choice0=0, weak$$choice2=0, x=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y=0, z=0] [L835] 0 pthread_t t765; [L836] FCALL, FORK 0 pthread_create(&t765, ((void *)0), P2, ((void *)0)) VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, t763=0, t764=1, t765=2, weak$$choice0=0, weak$$choice2=0, x=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y=0, z=0] [L778] 3 y$w_buff1 = y$w_buff0 [L779] 3 y$w_buff0 = 2 [L780] 3 y$w_buff1_used = y$w_buff0_used [L781] 3 y$w_buff0_used = (_Bool)1 [L782] CALL 3 __VERIFIER_assert(!(y$w_buff1_used && y$w_buff0_used)) [L18] COND FALSE 3 !(!expression) [L782] RET 3 __VERIFIER_assert(!(y$w_buff1_used && y$w_buff0_used)) [L783] 3 y$r_buff1_thd0 = y$r_buff0_thd0 [L784] 3 y$r_buff1_thd1 = y$r_buff0_thd1 [L785] 3 y$r_buff1_thd2 = y$r_buff0_thd2 [L786] 3 y$r_buff1_thd3 = y$r_buff0_thd3 [L787] 3 y$r_buff0_thd3 = (_Bool)1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, y=0, z=0] [L790] 3 weak$$choice0 = __VERIFIER_nondet_bool() [L791] 3 weak$$choice2 = __VERIFIER_nondet_bool() [L792] 3 y$flush_delayed = weak$$choice2 [L793] 3 y$mem_tmp = y [L794] 3 y = !y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : y$w_buff1) [L795] 3 y$w_buff0 = weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : y$w_buff0)) [L796] 3 y$w_buff1 = weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff1 : y$w_buff1)) [L797] 3 y$w_buff0_used = weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used)) [L798] 3 y$w_buff1_used = weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L799] 3 y$r_buff0_thd3 = weak$$choice2 ? y$r_buff0_thd3 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$r_buff0_thd3 : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3)) [L800] 3 y$r_buff1_thd3 = weak$$choice2 ? y$r_buff1_thd3 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$r_buff1_thd3 : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L801] 3 __unbuffered_p2_EAX = y [L802] 3 y = y$flush_delayed ? y$mem_tmp : y [L803] 3 y$flush_delayed = (_Bool)0 VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, x=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, y=0, z=0] [L806] 3 __unbuffered_p2_EBX = z VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, x=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, y=0, z=0] [L743] 1 z = 1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, x=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, y=0, z=1] [L746] 1 x = 1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, x=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, y=0, z=1] [L758] 2 x = 2 VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, x=2, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, y=0, z=1] [L761] 2 y = 1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, x=2, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, y=1, z=1] [L764] 2 y = y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y) [L765] 2 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used [L766] 2 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$w_buff1_used [L767] 2 y$r_buff0_thd2 = y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2 [L768] 2 y$r_buff1_thd2 = y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$r_buff1_thd2 VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, x=2, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, y=1, z=1] [L809] 3 y = y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd3 ? y$w_buff1 : y) [L810] 3 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used [L811] 3 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$w_buff1_used [L812] 3 y$r_buff0_thd3 = y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3 [L813] 3 y$r_buff1_thd3 = y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$r_buff1_thd3 VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, x=2, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y=2, z=1] [L751] 1 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=1, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, x=2, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y=2, z=1] [L771] 2 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=2, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, x=2, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y=2, z=1] [L816] 3 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=3, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, x=2, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y=2, z=1] [L838] 0 main$tmp_guard0 = __unbuffered_cnt == 3 VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=3, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t763=0, t764=1, t765=2, weak$$choice0=0, weak$$choice2=1, x=2, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y=2, z=1] [L840] CALL 0 assume_abort_if_not(main$tmp_guard0) [L3] COND FALSE 0 !(!cond) [L840] RET 0 assume_abort_if_not(main$tmp_guard0) [L842] 0 y = y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L843] 0 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used [L844] 0 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$w_buff1_used [L845] 0 y$r_buff0_thd0 = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0 [L846] 0 y$r_buff1_thd0 = y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$r_buff1_thd0 VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=3, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t763=0, t764=1, t765=2, weak$$choice0=0, weak$$choice2=1, x=2, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y=2, z=1] [L849] 0 weak$$choice0 = __VERIFIER_nondet_bool() [L850] 0 weak$$choice2 = __VERIFIER_nondet_bool() [L851] 0 y$flush_delayed = weak$$choice2 [L852] 0 y$mem_tmp = y [L853] 0 y = !y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff1) [L854] 0 y$w_buff0 = weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff0)) [L855] 0 y$w_buff1 = weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff1 : y$w_buff1)) [L856] 0 y$w_buff0_used = weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used)) [L857] 0 y$w_buff1_used = weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L858] 0 y$r_buff0_thd0 = weak$$choice2 ? y$r_buff0_thd0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff0_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0)) [L859] 0 y$r_buff1_thd0 = weak$$choice2 ? y$r_buff1_thd0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff1_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L860] 0 main$tmp_guard1 = !(x == 2 && y == 2 && __unbuffered_p2_EAX == 2 && __unbuffered_p2_EBX == 0) [L861] 0 y = y$flush_delayed ? y$mem_tmp : y [L862] 0 y$flush_delayed = (_Bool)0 VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=3, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t763=0, t764=1, t765=2, weak$$choice0=0, weak$$choice2=0, x=2, y$flush_delayed=0, y$mem_tmp=2, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y=2, z=1] [L864] CALL 0 __VERIFIER_assert(main$tmp_guard1) [L18] COND TRUE 0 !expression [L18] CALL 0 reach_error() [L17] COND FALSE 0 !(0) VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=3, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y$flush_delayed=0, y$mem_tmp=2, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y=2, z=1] [L17] 0 __assert_fail ("0", "mix028_tso.c", 8, __extension__ __PRETTY_FUNCTION__) VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=3, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y$flush_delayed=0, y$mem_tmp=2, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y=2, z=1] - UnprovableResult [Line: 17]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 829]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 834]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - UnprovableResult [Line: 832]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - UnprovableResult [Line: 836]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 70 locations, 7 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 4.6s, OverallIterations: 8, TraceHistogramMax: 1, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 1.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 240 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 231 mSDsluCounter, 28 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 26 mSDsCounter, 13 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 705 IncrementalHoareTripleChecker+Invalid, 718 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 13 mSolverCounterUnsat, 2 mSDtfsCounter, 705 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 165 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=168occurred in iteration=4, InterpolantAutomatonStates: 32, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 192 NumberOfCodeBlocks, 192 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 154 ConstructedInterpolants, 0 QuantifiedInterpolants, 376 SizeOfPredicates, 10 NumberOfNonLiveVariables, 787 ConjunctsInSsa, 30 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 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 RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-10-11 19:33:20,673 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/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: UNKNOWN: Overapproximated counterexample