/root/.sdkman/candidates/java/21.0.5-tem/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata ./data -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../benchexec/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --traceabstraction.automaton.type.used.in.concurrency.analysis PETRI_NET -i ../../../trunk/examples/svcomp/pthread/singleton_with-uninit-problems.i -------------------------------------------------------------------------------- This is Ultimate 0.3.0-wip.dk.cfg-lbe-improvements-94356ea-m [2025-04-13 19:13:40,966 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-04-13 19:13:41,016 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../benchexec/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2025-04-13 19:13:41,023 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-04-13 19:13:41,023 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-04-13 19:13:41,044 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-04-13 19:13:41,045 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-04-13 19:13:41,045 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-04-13 19:13:41,045 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-04-13 19:13:41,045 INFO L153 SettingsManager]: * Use memory slicer=true [2025-04-13 19:13:41,045 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-04-13 19:13:41,045 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-04-13 19:13:41,045 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-04-13 19:13:41,045 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-04-13 19:13:41,046 INFO L153 SettingsManager]: * Use SBE=true [2025-04-13 19:13:41,046 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-04-13 19:13:41,046 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-04-13 19:13:41,046 INFO L153 SettingsManager]: * sizeof long=4 [2025-04-13 19:13:41,046 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-04-13 19:13:41,046 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-04-13 19:13:41,046 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-04-13 19:13:41,046 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-04-13 19:13:41,046 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-04-13 19:13:41,046 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-04-13 19:13:41,046 INFO L153 SettingsManager]: * sizeof long double=12 [2025-04-13 19:13:41,046 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-04-13 19:13:41,046 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-04-13 19:13:41,046 INFO L153 SettingsManager]: * Use constant arrays=true [2025-04-13 19:13:41,046 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-04-13 19:13:41,046 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-04-13 19:13:41,046 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-04-13 19:13:41,046 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-04-13 19:13:41,046 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-13 19:13:41,047 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-04-13 19:13:41,047 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-04-13 19:13:41,047 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-04-13 19:13:41,047 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-04-13 19:13:41,047 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-13 19:13:41,047 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-04-13 19:13:41,047 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-04-13 19:13:41,047 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-04-13 19:13:41,047 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-04-13 19:13:41,047 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-04-13 19:13:41,047 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-04-13 19:13:41,047 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-04-13 19:13:41,047 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-04-13 19:13:41,047 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-04-13 19:13:41,047 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Automaton type used in concurrency analysis -> PETRI_NET [2025-04-13 19:13:41,254 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-04-13 19:13:41,260 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-04-13 19:13:41,262 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-04-13 19:13:41,263 INFO L270 PluginConnector]: Initializing CDTParser... [2025-04-13 19:13:41,265 INFO L274 PluginConnector]: CDTParser initialized [2025-04-13 19:13:41,266 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/singleton_with-uninit-problems.i [2025-04-13 19:13:42,582 INFO L538 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b5cb61008/9dbe73d0476d44f6bdf47976e3b7b5fa/FLAGecd9343ff [2025-04-13 19:13:42,820 INFO L389 CDTParser]: Found 1 translation units. [2025-04-13 19:13:42,821 INFO L178 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/singleton_with-uninit-problems.i [2025-04-13 19:13:42,838 INFO L432 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b5cb61008/9dbe73d0476d44f6bdf47976e3b7b5fa/FLAGecd9343ff [2025-04-13 19:13:43,633 INFO L440 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b5cb61008/9dbe73d0476d44f6bdf47976e3b7b5fa [2025-04-13 19:13:43,635 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-04-13 19:13:43,636 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2025-04-13 19:13:43,637 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-04-13 19:13:43,637 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-04-13 19:13:43,640 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-04-13 19:13:43,641 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.04 07:13:43" (1/1) ... [2025-04-13 19:13:43,641 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4619fe1b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 07:13:43, skipping insertion in model container [2025-04-13 19:13:43,641 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.04 07:13:43" (1/1) ... [2025-04-13 19:13:43,661 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-04-13 19:13:43,946 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/singleton_with-uninit-problems.i[55568,55581] [2025-04-13 19:13:43,965 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-04-13 19:13:43,973 INFO L200 MainTranslator]: Completed pre-run [2025-04-13 19:13:44,012 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/singleton_with-uninit-problems.i[55568,55581] [2025-04-13 19:13:44,018 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-04-13 19:13:44,064 INFO L204 MainTranslator]: Completed translation [2025-04-13 19:13:44,064 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 07:13:44 WrapperNode [2025-04-13 19:13:44,064 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-04-13 19:13:44,065 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-04-13 19:13:44,065 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-04-13 19:13:44,065 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-04-13 19:13:44,069 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 07:13:44" (1/1) ... [2025-04-13 19:13:44,083 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 07:13:44" (1/1) ... [2025-04-13 19:13:44,099 INFO L138 Inliner]: procedures = 323, calls = 22, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 34 [2025-04-13 19:13:44,099 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-04-13 19:13:44,099 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-04-13 19:13:44,099 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-04-13 19:13:44,099 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-04-13 19:13:44,105 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 07:13:44" (1/1) ... [2025-04-13 19:13:44,106 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 07:13:44" (1/1) ... [2025-04-13 19:13:44,111 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 07:13:44" (1/1) ... [2025-04-13 19:13:44,126 INFO L175 MemorySlicer]: Split 6 memory accesses to 2 slices as follows [2, 4]. 67 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0]. The 2 writes are split as follows [0, 2]. [2025-04-13 19:13:44,126 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 07:13:44" (1/1) ... [2025-04-13 19:13:44,126 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 07:13:44" (1/1) ... [2025-04-13 19:13:44,130 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 07:13:44" (1/1) ... [2025-04-13 19:13:44,130 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 07:13:44" (1/1) ... [2025-04-13 19:13:44,131 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 07:13:44" (1/1) ... [2025-04-13 19:13:44,132 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 07:13:44" (1/1) ... [2025-04-13 19:13:44,132 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 07:13:44" (1/1) ... [2025-04-13 19:13:44,135 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-04-13 19:13:44,138 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-04-13 19:13:44,138 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-04-13 19:13:44,138 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-04-13 19:13:44,138 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 07:13:44" (1/1) ... [2025-04-13 19:13:44,142 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-13 19:13:44,150 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-13 19:13:44,159 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-04-13 19:13:44,161 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-04-13 19:13:44,176 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2025-04-13 19:13:44,177 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2025-04-13 19:13:44,177 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-04-13 19:13:44,177 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-04-13 19:13:44,177 INFO L130 BoogieDeclarations]: Found specification of procedure thread0 [2025-04-13 19:13:44,177 INFO L138 BoogieDeclarations]: Found implementation of procedure thread0 [2025-04-13 19:13:44,177 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2025-04-13 19:13:44,177 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2025-04-13 19:13:44,177 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2025-04-13 19:13:44,177 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2025-04-13 19:13:44,177 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2025-04-13 19:13:44,177 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2025-04-13 19:13:44,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-04-13 19:13:44,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-04-13 19:13:44,177 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-04-13 19:13:44,177 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-04-13 19:13:44,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-04-13 19:13:44,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-04-13 19:13:44,177 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-04-13 19:13:44,177 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-04-13 19:13:44,178 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-04-13 19:13:44,267 INFO L234 CfgBuilder]: Building ICFG [2025-04-13 19:13:44,269 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-04-13 19:13:44,400 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-04-13 19:13:44,401 INFO L289 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-04-13 19:13:44,401 INFO L294 CfgBuilder]: Performing block encoding [2025-04-13 19:13:44,518 INFO L313 CfgBuilder]: Removed 0 assume(true) statements. [2025-04-13 19:13:44,518 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.04 07:13:44 BoogieIcfgContainer [2025-04-13 19:13:44,518 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-04-13 19:13:44,519 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-04-13 19:13:44,519 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-04-13 19:13:44,522 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-04-13 19:13:44,523 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.04 07:13:43" (1/3) ... [2025-04-13 19:13:44,523 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6bae1423 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.04 07:13:44, skipping insertion in model container [2025-04-13 19:13:44,523 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 07:13:44" (2/3) ... [2025-04-13 19:13:44,523 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6bae1423 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.04 07:13:44, skipping insertion in model container [2025-04-13 19:13:44,523 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.04 07:13:44" (3/3) ... [2025-04-13 19:13:44,524 INFO L128 eAbstractionObserver]: Analyzing ICFG singleton_with-uninit-problems.i [2025-04-13 19:13:44,534 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-04-13 19:13:44,535 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG singleton_with-uninit-problems.i that has 5 procedures, 36 locations, 31 edges, 1 initial locations, 0 loop locations, and 1 error locations. [2025-04-13 19:13:44,535 INFO L490 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-04-13 19:13:44,630 INFO L143 ThreadInstanceAdder]: Constructed 21 joinOtherThreadTransitions. [2025-04-13 19:13:44,657 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 81 places, 70 transitions, 237 flow [2025-04-13 19:13:44,683 INFO L116 PetriNetUnfolderBase]: 5/42 cut-off events. [2025-04-13 19:13:44,685 INFO L117 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2025-04-13 19:13:44,687 INFO L83 FinitePrefix]: Finished finitePrefix Result has 72 conditions, 42 events. 5/42 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 35 event pairs, 0 based on Foata normal form. 0/36 useless extension candidates. Maximal degree in co-relation 57. Up to 3 conditions per place. [2025-04-13 19:13:44,687 INFO L82 GeneralOperation]: Start removeDead. Operand has 81 places, 70 transitions, 237 flow [2025-04-13 19:13:44,693 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 55 places, 41 transitions, 133 flow [2025-04-13 19:13:44,700 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-04-13 19:13:44,709 INFO L340 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=LoopHeads, 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;@4830d4e0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-04-13 19:13:44,709 INFO L341 AbstractCegarLoop]: Starting to check reachability of 12 error locations. [2025-04-13 19:13:44,727 INFO L177 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-04-13 19:13:44,727 INFO L116 PetriNetUnfolderBase]: 5/40 cut-off events. [2025-04-13 19:13:44,727 INFO L117 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2025-04-13 19:13:44,727 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-04-13 19:13:44,728 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 19:13:44,728 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread0Err1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread0Err2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread0Err4INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 9 more)] === [2025-04-13 19:13:44,734 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 19:13:44,734 INFO L85 PathProgramCache]: Analyzing trace with hash 115180483, now seen corresponding path program 1 times [2025-04-13 19:13:44,741 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 19:13:44,741 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2137288003] [2025-04-13 19:13:44,741 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-13 19:13:44,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 19:13:44,819 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 36 statements into 1 equivalence classes. [2025-04-13 19:13:44,867 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 36 of 36 statements. [2025-04-13 19:13:44,867 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-13 19:13:44,867 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 19:13:45,281 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 19:13:45,282 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 19:13:45,282 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2137288003] [2025-04-13 19:13:45,282 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2137288003] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 19:13:45,282 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 19:13:45,282 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-04-13 19:13:45,283 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1266059015] [2025-04-13 19:13:45,284 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 19:13:45,289 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-04-13 19:13:45,293 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 19:13:45,307 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-04-13 19:13:45,307 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-04-13 19:13:45,308 INFO L464 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 72 [2025-04-13 19:13:45,311 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 55 places, 41 transitions, 133 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) [2025-04-13 19:13:45,311 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-04-13 19:13:45,312 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 72 [2025-04-13 19:13:45,312 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-04-13 19:13:45,696 INFO L116 PetriNetUnfolderBase]: 2352/3338 cut-off events. [2025-04-13 19:13:45,697 INFO L117 PetriNetUnfolderBase]: For 360/360 co-relation queries the response was YES. [2025-04-13 19:13:45,705 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7168 conditions, 3338 events. 2352/3338 cut-off events. For 360/360 co-relation queries the response was YES. Maximal size of possible extension queue 169. Compared 15317 event pairs, 1026 based on Foata normal form. 1/3147 useless extension candidates. Maximal degree in co-relation 7146. Up to 2110 conditions per place. [2025-04-13 19:13:45,720 INFO L140 encePairwiseOnDemand]: 67/72 looper letters, 52 selfloop transitions, 4 changer transitions 4/64 dead transitions. [2025-04-13 19:13:45,720 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 57 places, 64 transitions, 332 flow [2025-04-13 19:13:45,721 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-13 19:13:45,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-04-13 19:13:45,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 103 transitions. [2025-04-13 19:13:45,732 INFO L509 CegarLoopForPetriNet]: DFA transition density 0.47685185185185186 [2025-04-13 19:13:45,733 INFO L175 Difference]: Start difference. First operand has 55 places, 41 transitions, 133 flow. Second operand 3 states and 103 transitions. [2025-04-13 19:13:45,733 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 57 places, 64 transitions, 332 flow [2025-04-13 19:13:45,745 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 45 places, 64 transitions, 276 flow, removed 0 selfloop flow, removed 12 redundant places. [2025-04-13 19:13:45,748 INFO L231 Difference]: Finished difference. Result has 46 places, 44 transitions, 125 flow [2025-04-13 19:13:45,750 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=72, PETRI_DIFFERENCE_MINUEND_FLOW=99, PETRI_DIFFERENCE_MINUEND_PLACES=43, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=41, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=37, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=125, PETRI_PLACES=46, PETRI_TRANSITIONS=44} [2025-04-13 19:13:45,754 INFO L279 CegarLoopForPetriNet]: 55 programPoint places, -9 predicate places. [2025-04-13 19:13:45,754 INFO L485 AbstractCegarLoop]: Abstraction has has 46 places, 44 transitions, 125 flow [2025-04-13 19:13:45,754 INFO L486 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) [2025-04-13 19:13:45,754 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-04-13 19:13:45,755 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 19:13:45,755 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-04-13 19:13:45,755 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread0Err1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread0Err2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread0Err4INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 9 more)] === [2025-04-13 19:13:45,756 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 19:13:45,756 INFO L85 PathProgramCache]: Analyzing trace with hash -92622911, now seen corresponding path program 2 times [2025-04-13 19:13:45,756 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 19:13:45,757 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1362065188] [2025-04-13 19:13:45,757 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-13 19:13:45,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 19:13:45,778 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 36 statements into 1 equivalence classes. [2025-04-13 19:13:45,785 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 36 of 36 statements. [2025-04-13 19:13:45,785 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-04-13 19:13:45,785 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 19:13:45,997 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 19:13:45,997 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 19:13:45,997 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1362065188] [2025-04-13 19:13:45,997 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1362065188] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 19:13:45,997 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 19:13:45,997 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-04-13 19:13:45,998 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1794128279] [2025-04-13 19:13:45,998 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 19:13:45,998 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-04-13 19:13:45,999 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 19:13:45,999 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-04-13 19:13:45,999 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-04-13 19:13:45,999 INFO L464 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 72 [2025-04-13 19:13:45,999 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 46 places, 44 transitions, 125 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) [2025-04-13 19:13:45,999 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-04-13 19:13:45,999 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 72 [2025-04-13 19:13:45,999 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-04-13 19:13:46,266 INFO L116 PetriNetUnfolderBase]: 2352/3335 cut-off events. [2025-04-13 19:13:46,266 INFO L117 PetriNetUnfolderBase]: For 948/948 co-relation queries the response was YES. [2025-04-13 19:13:46,270 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7955 conditions, 3335 events. 2352/3335 cut-off events. For 948/948 co-relation queries the response was YES. Maximal size of possible extension queue 171. Compared 15086 event pairs, 737 based on Foata normal form. 1/3138 useless extension candidates. Maximal degree in co-relation 3506. Up to 2056 conditions per place. [2025-04-13 19:13:46,273 INFO L140 encePairwiseOnDemand]: 67/72 looper letters, 0 selfloop transitions, 0 changer transitions 69/69 dead transitions. [2025-04-13 19:13:46,274 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 47 places, 69 transitions, 324 flow [2025-04-13 19:13:46,275 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-13 19:13:46,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-04-13 19:13:46,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 105 transitions. [2025-04-13 19:13:46,278 INFO L509 CegarLoopForPetriNet]: DFA transition density 0.4861111111111111 [2025-04-13 19:13:46,278 INFO L175 Difference]: Start difference. First operand has 46 places, 44 transitions, 125 flow. Second operand 3 states and 105 transitions. [2025-04-13 19:13:46,278 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 47 places, 69 transitions, 324 flow [2025-04-13 19:13:46,279 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 46 places, 69 transitions, 319 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-04-13 19:13:46,280 INFO L231 Difference]: Finished difference. Result has 46 places, 0 transitions, 0 flow [2025-04-13 19:13:46,280 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=72, PETRI_DIFFERENCE_MINUEND_FLOW=117, PETRI_DIFFERENCE_MINUEND_PLACES=44, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=43, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=43, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=46, PETRI_TRANSITIONS=0} [2025-04-13 19:13:46,281 INFO L279 CegarLoopForPetriNet]: 55 programPoint places, -9 predicate places. [2025-04-13 19:13:46,281 INFO L485 AbstractCegarLoop]: Abstraction has has 46 places, 0 transitions, 0 flow [2025-04-13 19:13:46,281 INFO L486 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) [2025-04-13 19:13:46,283 INFO L790 garLoopResultBuilder]: Registering result SAFE for location thread0Err1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (11 of 12 remaining) [2025-04-13 19:13:46,283 INFO L790 garLoopResultBuilder]: Registering result SAFE for location thread0Err2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (10 of 12 remaining) [2025-04-13 19:13:46,283 INFO L790 garLoopResultBuilder]: Registering result SAFE for location thread0Err4INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (9 of 12 remaining) [2025-04-13 19:13:46,283 INFO L790 garLoopResultBuilder]: Registering result SAFE for location thread0Err6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 12 remaining) [2025-04-13 19:13:46,284 INFO L790 garLoopResultBuilder]: Registering result SAFE for location thread0Err7INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (7 of 12 remaining) [2025-04-13 19:13:46,284 INFO L790 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (6 of 12 remaining) [2025-04-13 19:13:46,284 INFO L790 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (5 of 12 remaining) [2025-04-13 19:13:46,284 INFO L790 garLoopResultBuilder]: Registering result SAFE for location thread0Thread1of1ForFork4Err0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 12 remaining) [2025-04-13 19:13:46,284 INFO L790 garLoopResultBuilder]: Registering result SAFE for location thread0Thread1of1ForFork4Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 12 remaining) [2025-04-13 19:13:46,284 INFO L790 garLoopResultBuilder]: Registering result SAFE for location thread0Thread1of1ForFork4Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 12 remaining) [2025-04-13 19:13:46,284 INFO L790 garLoopResultBuilder]: Registering result SAFE for location thread0Thread1of1ForFork4Err8INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 12 remaining) [2025-04-13 19:13:46,284 INFO L790 garLoopResultBuilder]: Registering result SAFE for location thread0Thread1of1ForFork4Err10INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 12 remaining) [2025-04-13 19:13:46,284 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-04-13 19:13:46,284 INFO L422 BasicCegarLoop]: Path program histogram: [2] [2025-04-13 19:13:46,289 INFO L242 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-04-13 19:13:46,289 INFO L171 ceAbstractionStarter]: Computing trace abstraction results [2025-04-13 19:13:46,294 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.04 07:13:46 BasicIcfg [2025-04-13 19:13:46,294 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-04-13 19:13:46,295 INFO L158 Benchmark]: Toolchain (without parser) took 2658.59ms. Allocated memory was 142.6MB in the beginning and 360.7MB in the end (delta: 218.1MB). Free memory was 97.0MB in the beginning and 261.2MB in the end (delta: -164.2MB). Peak memory consumption was 79.4MB. Max. memory is 8.0GB. [2025-04-13 19:13:46,295 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 167.8MB. Free memory is still 95.5MB. There was no memory consumed. Max. memory is 8.0GB. [2025-04-13 19:13:46,296 INFO L158 Benchmark]: CACSL2BoogieTranslator took 427.49ms. Allocated memory is still 142.6MB. Free memory was 97.0MB in the beginning and 61.4MB in the end (delta: 35.6MB). Peak memory consumption was 37.7MB. Max. memory is 8.0GB. [2025-04-13 19:13:46,296 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.90ms. Allocated memory is still 142.6MB. Free memory was 61.4MB in the beginning and 59.5MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 8.0GB. [2025-04-13 19:13:46,296 INFO L158 Benchmark]: Boogie Preprocessor took 35.66ms. Allocated memory is still 142.6MB. Free memory was 59.5MB in the beginning and 57.3MB in the end (delta: 2.2MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2025-04-13 19:13:46,296 INFO L158 Benchmark]: RCFGBuilder took 380.34ms. Allocated memory is still 142.6MB. Free memory was 57.3MB in the beginning and 33.4MB in the end (delta: 23.9MB). Peak memory consumption was 21.0MB. Max. memory is 8.0GB. [2025-04-13 19:13:46,296 INFO L158 Benchmark]: TraceAbstraction took 1775.04ms. Allocated memory was 142.6MB in the beginning and 360.7MB in the end (delta: 218.1MB). Free memory was 32.7MB in the beginning and 261.2MB in the end (delta: -228.4MB). Peak memory consumption was 12.3MB. Max. memory is 8.0GB. [2025-04-13 19:13:46,297 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 167.8MB. Free memory is still 95.5MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 427.49ms. Allocated memory is still 142.6MB. Free memory was 97.0MB in the beginning and 61.4MB in the end (delta: 35.6MB). Peak memory consumption was 37.7MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 33.90ms. Allocated memory is still 142.6MB. Free memory was 61.4MB in the beginning and 59.5MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 8.0GB. * Boogie Preprocessor took 35.66ms. Allocated memory is still 142.6MB. Free memory was 59.5MB in the beginning and 57.3MB in the end (delta: 2.2MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * RCFGBuilder took 380.34ms. Allocated memory is still 142.6MB. Free memory was 57.3MB in the beginning and 33.4MB in the end (delta: 23.9MB). Peak memory consumption was 21.0MB. Max. memory is 8.0GB. * TraceAbstraction took 1775.04ms. Allocated memory was 142.6MB in the beginning and 360.7MB in the end (delta: 218.1MB). Free memory was 32.7MB in the beginning and 261.2MB in the end (delta: -228.4MB). Peak memory consumption was 12.3MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 1123]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 11 procedures, 84 locations, 105 edges, 12 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: 1.6s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 31 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 31 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 181 IncrementalHoareTripleChecker+Invalid, 183 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 0 mSDtfsCounter, 181 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=133occurred in iteration=0, InterpolantAutomatonStates: 6, 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, 72 NumberOfCodeBlocks, 72 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 70 ConstructedInterpolants, 0 QuantifiedInterpolants, 148 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2025-04-13 19:13:46,310 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request...