./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/safe033_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/safe033_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 03e09f2995f610da86eeaa1f1ee03bc9ee01699bf21a2567d5a1129cd8929582 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-84cfde4 [2024-10-11 19:41:27,656 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-11 19:41:27,713 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2024-10-11 19:41:27,716 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-11 19:41:27,717 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-11 19:41:27,733 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-11 19:41:27,734 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-11 19:41:27,734 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-11 19:41:27,735 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-11 19:41:27,737 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-11 19:41:27,738 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-11 19:41:27,738 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-11 19:41:27,738 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-11 19:41:27,739 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-11 19:41:27,739 INFO L153 SettingsManager]: * Use SBE=true [2024-10-11 19:41:27,739 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-11 19:41:27,739 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-11 19:41:27,739 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-11 19:41:27,740 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-11 19:41:27,741 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-11 19:41:27,741 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-10-11 19:41:27,741 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-10-11 19:41:27,741 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-10-11 19:41:27,742 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-11 19:41:27,742 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-10-11 19:41:27,742 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-11 19:41:27,742 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-11 19:41:27,742 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-11 19:41:27,743 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-11 19:41:27,743 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-11 19:41:27,743 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-11 19:41:27,743 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-11 19:41:27,743 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-11 19:41:27,743 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 19:41:27,743 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-11 19:41:27,744 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-11 19:41:27,744 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-11 19:41:27,744 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-11 19:41:27,745 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-11 19:41:27,745 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-11 19:41:27,745 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-11 19:41:27,746 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-11 19:41:27,746 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 03e09f2995f610da86eeaa1f1ee03bc9ee01699bf21a2567d5a1129cd8929582 [2024-10-11 19:41:27,930 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-11 19:41:27,951 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-11 19:41:27,952 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-11 19:41:27,953 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-11 19:41:27,955 INFO L274 PluginConnector]: CDTParser initialized [2024-10-11 19:41:27,956 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/safe033_tso.i [2024-10-11 19:41:29,199 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-11 19:41:29,395 INFO L384 CDTParser]: Found 1 translation units. [2024-10-11 19:41:29,397 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/safe033_tso.i [2024-10-11 19:41:29,411 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/b877a6ab9/d19435fb7fdf47db886430eae2675ee3/FLAG581a4ae13 [2024-10-11 19:41:29,773 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/b877a6ab9/d19435fb7fdf47db886430eae2675ee3 [2024-10-11 19:41:29,775 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-11 19:41:29,776 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-11 19:41:29,777 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-11 19:41:29,777 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-11 19:41:29,784 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-11 19:41:29,785 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 07:41:29" (1/1) ... [2024-10-11 19:41:29,785 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@160b805d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:41:29, skipping insertion in model container [2024-10-11 19:41:29,785 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 07:41:29" (1/1) ... [2024-10-11 19:41:29,817 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-11 19:41:30,045 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 19:41:30,054 INFO L200 MainTranslator]: Completed pre-run [2024-10-11 19:41:30,091 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 19:41:30,118 INFO L204 MainTranslator]: Completed translation [2024-10-11 19:41:30,119 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:41:30 WrapperNode [2024-10-11 19:41:30,119 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-11 19:41:30,120 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-11 19:41:30,120 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-11 19:41:30,120 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-11 19:41:30,125 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:41:30" (1/1) ... [2024-10-11 19:41:30,137 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:41:30" (1/1) ... [2024-10-11 19:41:30,151 INFO L138 Inliner]: procedures = 174, calls = 35, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 51 [2024-10-11 19:41:30,151 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-11 19:41:30,152 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-11 19:41:30,152 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-11 19:41:30,152 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-11 19:41:30,158 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:41:30" (1/1) ... [2024-10-11 19:41:30,159 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:41:30" (1/1) ... [2024-10-11 19:41:30,160 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:41:30" (1/1) ... [2024-10-11 19:41:30,173 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 19:41:30,173 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:41:30" (1/1) ... [2024-10-11 19:41:30,173 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:41:30" (1/1) ... [2024-10-11 19:41:30,176 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:41:30" (1/1) ... [2024-10-11 19:41:30,177 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:41:30" (1/1) ... [2024-10-11 19:41:30,178 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:41:30" (1/1) ... [2024-10-11 19:41:30,179 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:41:30" (1/1) ... [2024-10-11 19:41:30,180 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-11 19:41:30,181 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-11 19:41:30,181 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-11 19:41:30,181 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-11 19:41:30,182 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:41:30" (1/1) ... [2024-10-11 19:41:30,185 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 19:41:30,192 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 19:41:30,204 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 19:41:30,206 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 19:41:30,239 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-10-11 19:41:30,239 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-11 19:41:30,239 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-10-11 19:41:30,240 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-10-11 19:41:30,240 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-10-11 19:41:30,240 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-10-11 19:41:30,240 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-11 19:41:30,240 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-10-11 19:41:30,240 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-11 19:41:30,240 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-11 19:41:30,241 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 19:41:30,332 INFO L238 CfgBuilder]: Building ICFG [2024-10-11 19:41:30,333 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-11 19:41:30,415 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-11 19:41:30,415 INFO L287 CfgBuilder]: Performing block encoding [2024-10-11 19:41:30,467 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-11 19:41:30,467 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-11 19:41:30,468 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 07:41:30 BoogieIcfgContainer [2024-10-11 19:41:30,468 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-11 19:41:30,470 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-11 19:41:30,470 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-11 19:41:30,473 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-11 19:41:30,473 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 07:41:29" (1/3) ... [2024-10-11 19:41:30,474 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27192cc5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 07:41:30, skipping insertion in model container [2024-10-11 19:41:30,475 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:41:30" (2/3) ... [2024-10-11 19:41:30,475 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27192cc5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 07:41:30, skipping insertion in model container [2024-10-11 19:41:30,475 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 07:41:30" (3/3) ... [2024-10-11 19:41:30,476 INFO L112 eAbstractionObserver]: Analyzing ICFG safe033_tso.i [2024-10-11 19:41:30,489 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-11 19:41:30,489 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-10-11 19:41:30,489 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-11 19:41:30,526 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-10-11 19:41:30,567 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 40 places, 35 transitions, 78 flow [2024-10-11 19:41:30,586 INFO L124 PetriNetUnfolderBase]: 2/33 cut-off events. [2024-10-11 19:41:30,586 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-11 19:41:30,588 INFO L83 FinitePrefix]: Finished finitePrefix Result has 40 conditions, 33 events. 2/33 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 49 event pairs, 0 based on Foata normal form. 0/29 useless extension candidates. Maximal degree in co-relation 33. Up to 2 conditions per place. [2024-10-11 19:41:30,589 INFO L82 GeneralOperation]: Start removeDead. Operand has 40 places, 35 transitions, 78 flow [2024-10-11 19:41:30,594 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 37 places, 32 transitions, 70 flow [2024-10-11 19:41:30,602 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-11 19:41:30,607 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;@798cbf79, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-11 19:41:30,607 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-10-11 19:41:30,616 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-10-11 19:41:30,616 INFO L124 PetriNetUnfolderBase]: 2/30 cut-off events. [2024-10-11 19:41:30,616 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-11 19:41:30,616 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 19:41:30,617 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 19:41:30,617 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-11 19:41:30,621 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 19:41:30,621 INFO L85 PathProgramCache]: Analyzing trace with hash 2079437845, now seen corresponding path program 1 times [2024-10-11 19:41:30,628 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 19:41:30,628 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2069737206] [2024-10-11 19:41:30,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 19:41:30,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 19:41:30,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 19:41:30,819 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 19:41:30,820 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 19:41:30,820 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2069737206] [2024-10-11 19:41:30,820 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2069737206] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 19:41:30,820 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 19:41:30,820 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-10-11 19:41:30,822 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1023653496] [2024-10-11 19:41:30,822 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 19:41:30,828 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 19:41:30,831 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 19:41:30,848 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 19:41:30,849 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 19:41:30,852 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 19 out of 35 [2024-10-11 19:41:30,854 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 37 places, 32 transitions, 70 flow. Second operand has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 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 19:41:30,854 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 19:41:30,854 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 19 of 35 [2024-10-11 19:41:30,855 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 19:41:30,892 INFO L124 PetriNetUnfolderBase]: 23/92 cut-off events. [2024-10-11 19:41:30,892 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-11 19:41:30,893 INFO L83 FinitePrefix]: Finished finitePrefix Result has 154 conditions, 92 events. 23/92 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 374 event pairs, 23 based on Foata normal form. 12/96 useless extension candidates. Maximal degree in co-relation 144. Up to 52 conditions per place. [2024-10-11 19:41:30,894 INFO L140 encePairwiseOnDemand]: 31/35 looper letters, 9 selfloop transitions, 1 changer transitions 1/28 dead transitions. [2024-10-11 19:41:30,894 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 37 places, 28 transitions, 84 flow [2024-10-11 19:41:30,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 19:41:30,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-11 19:41:30,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 71 transitions. [2024-10-11 19:41:30,904 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6761904761904762 [2024-10-11 19:41:30,905 INFO L175 Difference]: Start difference. First operand has 37 places, 32 transitions, 70 flow. Second operand 3 states and 71 transitions. [2024-10-11 19:41:30,906 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 37 places, 28 transitions, 84 flow [2024-10-11 19:41:30,908 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 35 places, 28 transitions, 82 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-11 19:41:30,909 INFO L231 Difference]: Finished difference. Result has 35 places, 27 transitions, 60 flow [2024-10-11 19:41:30,910 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=35, PETRI_DIFFERENCE_MINUEND_FLOW=60, PETRI_DIFFERENCE_MINUEND_PLACES=33, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=28, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=27, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=60, PETRI_PLACES=35, PETRI_TRANSITIONS=27} [2024-10-11 19:41:30,913 INFO L277 CegarLoopForPetriNet]: 37 programPoint places, -2 predicate places. [2024-10-11 19:41:30,913 INFO L471 AbstractCegarLoop]: Abstraction has has 35 places, 27 transitions, 60 flow [2024-10-11 19:41:30,913 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 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 19:41:30,913 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 19:41:30,914 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 19:41:30,914 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-11 19:41:30,914 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-11 19:41:30,914 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 19:41:30,915 INFO L85 PathProgramCache]: Analyzing trace with hash 2079439402, now seen corresponding path program 1 times [2024-10-11 19:41:30,915 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 19:41:30,915 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1844149443] [2024-10-11 19:41:30,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 19:41:30,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 19:41:30,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 19:41:31,135 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 19:41:31,136 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 19:41:31,136 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1844149443] [2024-10-11 19:41:31,136 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1844149443] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 19:41:31,136 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 19:41:31,136 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 19:41:31,137 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [535893616] [2024-10-11 19:41:31,137 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 19:41:31,138 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 19:41:31,138 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 19:41:31,138 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 19:41:31,138 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 19:41:31,145 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 17 out of 35 [2024-10-11 19:41:31,146 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 35 places, 27 transitions, 60 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 19:41:31,146 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 19:41:31,146 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 17 of 35 [2024-10-11 19:41:31,146 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 19:41:31,216 INFO L124 PetriNetUnfolderBase]: 64/179 cut-off events. [2024-10-11 19:41:31,216 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-11 19:41:31,217 INFO L83 FinitePrefix]: Finished finitePrefix Result has 321 conditions, 179 events. 64/179 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 769 event pairs, 6 based on Foata normal form. 9/182 useless extension candidates. Maximal degree in co-relation 315. Up to 73 conditions per place. [2024-10-11 19:41:31,218 INFO L140 encePairwiseOnDemand]: 30/35 looper letters, 18 selfloop transitions, 4 changer transitions 1/37 dead transitions. [2024-10-11 19:41:31,218 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 37 places, 37 transitions, 128 flow [2024-10-11 19:41:31,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 19:41:31,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-10-11 19:41:31,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 93 transitions. [2024-10-11 19:41:31,220 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6642857142857143 [2024-10-11 19:41:31,221 INFO L175 Difference]: Start difference. First operand has 35 places, 27 transitions, 60 flow. Second operand 4 states and 93 transitions. [2024-10-11 19:41:31,221 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 37 places, 37 transitions, 128 flow [2024-10-11 19:41:31,221 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 36 places, 37 transitions, 127 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-11 19:41:31,222 INFO L231 Difference]: Finished difference. Result has 38 places, 29 transitions, 85 flow [2024-10-11 19:41:31,223 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=35, PETRI_DIFFERENCE_MINUEND_FLOW=59, PETRI_DIFFERENCE_MINUEND_PLACES=33, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=27, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=23, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=85, PETRI_PLACES=38, PETRI_TRANSITIONS=29} [2024-10-11 19:41:31,224 INFO L277 CegarLoopForPetriNet]: 37 programPoint places, 1 predicate places. [2024-10-11 19:41:31,224 INFO L471 AbstractCegarLoop]: Abstraction has has 38 places, 29 transitions, 85 flow [2024-10-11 19:41:31,224 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 19:41:31,224 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 19:41:31,224 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 19:41:31,225 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-11 19:41:31,225 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-11 19:41:31,225 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 19:41:31,225 INFO L85 PathProgramCache]: Analyzing trace with hash -2003311983, now seen corresponding path program 1 times [2024-10-11 19:41:31,226 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 19:41:31,227 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2043747140] [2024-10-11 19:41:31,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 19:41:31,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 19:41:31,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 19:41:31,344 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 19:41:31,344 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 19:41:31,345 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2043747140] [2024-10-11 19:41:31,345 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2043747140] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 19:41:31,345 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 19:41:31,345 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 19:41:31,345 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1159708331] [2024-10-11 19:41:31,345 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 19:41:31,345 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 19:41:31,346 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 19:41:31,346 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 19:41:31,346 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-11 19:41:31,351 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 17 out of 35 [2024-10-11 19:41:31,352 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 38 places, 29 transitions, 85 flow. Second operand has 5 states, 5 states have (on average 19.0) internal successors, (95), 5 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 19:41:31,352 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 19:41:31,352 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 17 of 35 [2024-10-11 19:41:31,352 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 19:41:31,431 INFO L124 PetriNetUnfolderBase]: 42/120 cut-off events. [2024-10-11 19:41:31,433 INFO L125 PetriNetUnfolderBase]: For 40/40 co-relation queries the response was YES. [2024-10-11 19:41:31,434 INFO L83 FinitePrefix]: Finished finitePrefix Result has 274 conditions, 120 events. 42/120 cut-off events. For 40/40 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 332 event pairs, 2 based on Foata normal form. 8/124 useless extension candidates. Maximal degree in co-relation 265. Up to 33 conditions per place. [2024-10-11 19:41:31,434 INFO L140 encePairwiseOnDemand]: 30/35 looper letters, 17 selfloop transitions, 6 changer transitions 1/38 dead transitions. [2024-10-11 19:41:31,435 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 42 places, 38 transitions, 156 flow [2024-10-11 19:41:31,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 19:41:31,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-10-11 19:41:31,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 111 transitions. [2024-10-11 19:41:31,436 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6342857142857142 [2024-10-11 19:41:31,436 INFO L175 Difference]: Start difference. First operand has 38 places, 29 transitions, 85 flow. Second operand 5 states and 111 transitions. [2024-10-11 19:41:31,436 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 42 places, 38 transitions, 156 flow [2024-10-11 19:41:31,437 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 40 places, 38 transitions, 147 flow, removed 1 selfloop flow, removed 2 redundant places. [2024-10-11 19:41:31,437 INFO L231 Difference]: Finished difference. Result has 42 places, 29 transitions, 101 flow [2024-10-11 19:41:31,438 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=35, PETRI_DIFFERENCE_MINUEND_FLOW=78, PETRI_DIFFERENCE_MINUEND_PLACES=36, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=29, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=23, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=101, PETRI_PLACES=42, PETRI_TRANSITIONS=29} [2024-10-11 19:41:31,438 INFO L277 CegarLoopForPetriNet]: 37 programPoint places, 5 predicate places. [2024-10-11 19:41:31,438 INFO L471 AbstractCegarLoop]: Abstraction has has 42 places, 29 transitions, 101 flow [2024-10-11 19:41:31,438 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.0) internal successors, (95), 5 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 19:41:31,438 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 19:41:31,439 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] [2024-10-11 19:41:31,439 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-11 19:41:31,439 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-11 19:41:31,439 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 19:41:31,439 INFO L85 PathProgramCache]: Analyzing trace with hash 1968842798, now seen corresponding path program 1 times [2024-10-11 19:41:31,439 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 19:41:31,440 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1499697525] [2024-10-11 19:41:31,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 19:41:31,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 19:41:31,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 19:41:31,590 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 19:41:31,591 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 19:41:31,591 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1499697525] [2024-10-11 19:41:31,592 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1499697525] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 19:41:31,592 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 19:41:31,592 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 19:41:31,592 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1604895753] [2024-10-11 19:41:31,592 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 19:41:31,592 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 19:41:31,593 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 19:41:31,593 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 19:41:31,593 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-11 19:41:31,607 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 35 [2024-10-11 19:41:31,608 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 42 places, 29 transitions, 101 flow. Second operand has 5 states, 5 states have (on average 18.4) internal successors, (92), 5 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 19:41:31,608 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 19:41:31,609 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 35 [2024-10-11 19:41:31,609 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 19:41:31,702 INFO L124 PetriNetUnfolderBase]: 70/205 cut-off events. [2024-10-11 19:41:31,702 INFO L125 PetriNetUnfolderBase]: For 74/74 co-relation queries the response was YES. [2024-10-11 19:41:31,706 INFO L83 FinitePrefix]: Finished finitePrefix Result has 450 conditions, 205 events. 70/205 cut-off events. For 74/74 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 806 event pairs, 31 based on Foata normal form. 4/196 useless extension candidates. Maximal degree in co-relation 439. Up to 85 conditions per place. [2024-10-11 19:41:31,706 INFO L140 encePairwiseOnDemand]: 28/35 looper letters, 16 selfloop transitions, 4 changer transitions 8/43 dead transitions. [2024-10-11 19:41:31,707 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 46 places, 43 transitions, 193 flow [2024-10-11 19:41:31,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 19:41:31,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-10-11 19:41:31,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 109 transitions. [2024-10-11 19:41:31,708 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6228571428571429 [2024-10-11 19:41:31,708 INFO L175 Difference]: Start difference. First operand has 42 places, 29 transitions, 101 flow. Second operand 5 states and 109 transitions. [2024-10-11 19:41:31,708 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 46 places, 43 transitions, 193 flow [2024-10-11 19:41:31,709 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 40 places, 43 transitions, 159 flow, removed 8 selfloop flow, removed 6 redundant places. [2024-10-11 19:41:31,710 INFO L231 Difference]: Finished difference. Result has 44 places, 31 transitions, 103 flow [2024-10-11 19:41:31,710 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=35, PETRI_DIFFERENCE_MINUEND_FLOW=73, PETRI_DIFFERENCE_MINUEND_PLACES=36, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=29, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=25, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=103, PETRI_PLACES=44, PETRI_TRANSITIONS=31} [2024-10-11 19:41:31,711 INFO L277 CegarLoopForPetriNet]: 37 programPoint places, 7 predicate places. [2024-10-11 19:41:31,711 INFO L471 AbstractCegarLoop]: Abstraction has has 44 places, 31 transitions, 103 flow [2024-10-11 19:41:31,711 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.4) internal successors, (92), 5 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 19:41:31,711 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 19:41:31,712 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] [2024-10-11 19:41:31,712 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-11 19:41:31,712 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-11 19:41:31,712 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 19:41:31,712 INFO L85 PathProgramCache]: Analyzing trace with hash 1741776422, now seen corresponding path program 2 times [2024-10-11 19:41:31,712 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 19:41:31,713 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1855794147] [2024-10-11 19:41:31,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 19:41:31,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 19:41:31,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 19:41:31,833 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 19:41:31,835 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 19:41:31,835 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1855794147] [2024-10-11 19:41:31,835 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1855794147] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 19:41:31,835 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 19:41:31,835 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-11 19:41:31,835 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [450454136] [2024-10-11 19:41:31,836 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 19:41:31,836 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-11 19:41:31,836 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 19:41:31,836 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-11 19:41:31,838 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-11 19:41:31,856 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 15 out of 35 [2024-10-11 19:41:31,856 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 44 places, 31 transitions, 103 flow. Second operand has 6 states, 6 states have (on average 17.166666666666668) internal successors, (103), 6 states have internal predecessors, (103), 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 19:41:31,856 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 19:41:31,857 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 15 of 35 [2024-10-11 19:41:31,857 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 19:41:31,950 INFO L124 PetriNetUnfolderBase]: 75/210 cut-off events. [2024-10-11 19:41:31,951 INFO L125 PetriNetUnfolderBase]: For 60/60 co-relation queries the response was YES. [2024-10-11 19:41:31,951 INFO L83 FinitePrefix]: Finished finitePrefix Result has 470 conditions, 210 events. 75/210 cut-off events. For 60/60 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 869 event pairs, 10 based on Foata normal form. 4/203 useless extension candidates. Maximal degree in co-relation 464. Up to 83 conditions per place. [2024-10-11 19:41:31,952 INFO L140 encePairwiseOnDemand]: 27/35 looper letters, 0 selfloop transitions, 0 changer transitions 44/44 dead transitions. [2024-10-11 19:41:31,952 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 45 places, 44 transitions, 203 flow [2024-10-11 19:41:31,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-11 19:41:31,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2024-10-11 19:41:31,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 137 transitions. [2024-10-11 19:41:31,954 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5591836734693878 [2024-10-11 19:41:31,954 INFO L175 Difference]: Start difference. First operand has 44 places, 31 transitions, 103 flow. Second operand 7 states and 137 transitions. [2024-10-11 19:41:31,954 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 45 places, 44 transitions, 203 flow [2024-10-11 19:41:31,956 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 42 places, 44 transitions, 189 flow, removed 1 selfloop flow, removed 3 redundant places. [2024-10-11 19:41:31,957 INFO L231 Difference]: Finished difference. Result has 42 places, 0 transitions, 0 flow [2024-10-11 19:41:31,957 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=35, PETRI_DIFFERENCE_MINUEND_FLOW=85, PETRI_DIFFERENCE_MINUEND_PLACES=36, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=28, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=28, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=0, PETRI_PLACES=42, PETRI_TRANSITIONS=0} [2024-10-11 19:41:31,957 INFO L277 CegarLoopForPetriNet]: 37 programPoint places, 5 predicate places. [2024-10-11 19:41:31,957 INFO L471 AbstractCegarLoop]: Abstraction has has 42 places, 0 transitions, 0 flow [2024-10-11 19:41:31,958 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 17.166666666666668) internal successors, (103), 6 states have internal predecessors, (103), 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 19:41:31,960 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (3 of 4 remaining) [2024-10-11 19:41:31,961 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (2 of 4 remaining) [2024-10-11 19:41:31,962 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2024-10-11 19:41:31,962 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2024-10-11 19:41:31,962 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-11 19:41:31,962 INFO L407 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1] [2024-10-11 19:41:31,966 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-10-11 19:41:31,966 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-11 19:41:31,971 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 07:41:31 BasicIcfg [2024-10-11 19:41:31,971 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-11 19:41:31,972 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-11 19:41:31,972 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-11 19:41:31,972 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-11 19:41:31,972 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 07:41:30" (3/4) ... [2024-10-11 19:41:31,975 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-11 19:41:31,977 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2024-10-11 19:41:31,977 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2024-10-11 19:41:31,980 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 30 nodes and edges [2024-10-11 19:41:31,980 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2024-10-11 19:41:31,980 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-10-11 19:41:31,981 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-10-11 19:41:32,045 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-10-11 19:41:32,045 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/witness.yml [2024-10-11 19:41:32,045 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-11 19:41:32,046 INFO L158 Benchmark]: Toolchain (without parser) took 2269.50ms. Allocated memory was 146.8MB in the beginning and 197.1MB in the end (delta: 50.3MB). Free memory was 96.8MB in the beginning and 100.9MB in the end (delta: -4.0MB). Peak memory consumption was 48.0MB. Max. memory is 16.1GB. [2024-10-11 19:41:32,046 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 146.8MB. Free memory is still 85.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-11 19:41:32,046 INFO L158 Benchmark]: CACSL2BoogieTranslator took 342.50ms. Allocated memory is still 146.8MB. Free memory was 96.4MB in the beginning and 73.7MB in the end (delta: 22.6MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-10-11 19:41:32,046 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.41ms. Allocated memory is still 146.8MB. Free memory was 73.7MB in the beginning and 71.8MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-11 19:41:32,046 INFO L158 Benchmark]: Boogie Preprocessor took 28.51ms. Allocated memory is still 146.8MB. Free memory was 71.8MB in the beginning and 69.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-11 19:41:32,046 INFO L158 Benchmark]: RCFGBuilder took 287.27ms. Allocated memory is still 146.8MB. Free memory was 69.7MB in the beginning and 51.6MB in the end (delta: 18.1MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-10-11 19:41:32,047 INFO L158 Benchmark]: TraceAbstraction took 1501.77ms. Allocated memory was 146.8MB in the beginning and 197.1MB in the end (delta: 50.3MB). Free memory was 50.8MB in the beginning and 105.0MB in the end (delta: -54.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-11 19:41:32,047 INFO L158 Benchmark]: Witness Printer took 73.27ms. Allocated memory is still 197.1MB. Free memory was 105.0MB in the beginning and 100.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-11 19:41:32,048 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 146.8MB. Free memory is still 85.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 342.50ms. Allocated memory is still 146.8MB. Free memory was 96.4MB in the beginning and 73.7MB in the end (delta: 22.6MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 31.41ms. Allocated memory is still 146.8MB. Free memory was 73.7MB in the beginning and 71.8MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 28.51ms. Allocated memory is still 146.8MB. Free memory was 71.8MB in the beginning and 69.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 287.27ms. Allocated memory is still 146.8MB. Free memory was 69.7MB in the beginning and 51.6MB in the end (delta: 18.1MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 1501.77ms. Allocated memory was 146.8MB in the beginning and 197.1MB in the end (delta: 50.3MB). Free memory was 50.8MB in the beginning and 105.0MB in the end (delta: -54.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 73.27ms. Allocated memory is still 197.1MB. Free memory was 105.0MB in the beginning and 100.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 758]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 17]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 51 locations, 4 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: 1.4s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 102 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 87 mSDsluCounter, 58 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 51 mSDsCounter, 8 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 230 IncrementalHoareTripleChecker+Invalid, 238 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 8 mSolverCounterUnsat, 7 mSDtfsCounter, 230 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 27 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=103occurred in iteration=4, InterpolantAutomatonStates: 24, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 92 NumberOfCodeBlocks, 92 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 87 ConstructedInterpolants, 0 QuantifiedInterpolants, 315 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-10-11 19:41:32,075 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE