./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/pthread-wmm/safe021_power.opt_pso.opt.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version c7c6ca5d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/pthread-wmm/safe021_power.opt_pso.opt.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 10a668ec1ea7995e15ba3bf7e664e16993ba1d6d90153ec7cf305acc426b53b6 --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-09 14:59:27,646 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 14:59:27,716 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-09 14:59:27,720 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 14:59:27,720 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 14:59:27,750 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 14:59:27,751 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 14:59:27,752 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 14:59:27,752 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-09 14:59:27,753 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-09 14:59:27,754 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 14:59:27,754 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 14:59:27,755 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 14:59:27,755 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 14:59:27,755 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 14:59:27,756 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 14:59:27,758 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 14:59:27,758 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 14:59:27,758 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 14:59:27,759 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 14:59:27,759 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 14:59:27,763 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 14:59:27,763 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 14:59:27,763 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 14:59:27,764 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 14:59:27,764 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-09 14:59:27,764 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 14:59:27,764 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 14:59:27,765 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 14:59:27,765 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 14:59:27,765 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 14:59:27,765 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 14:59:27,766 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 14:59:27,766 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 14:59:27,766 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 14:59:27,766 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 14:59:27,766 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 14:59:27,767 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 14:59:27,767 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-09 14:59:27,767 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 14:59:27,767 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 14:59:27,769 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-09 14:59:27,769 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-09 14:59:27,769 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 14:59:27,769 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 10a668ec1ea7995e15ba3bf7e664e16993ba1d6d90153ec7cf305acc426b53b6 [2024-11-09 14:59:28,010 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 14:59:28,034 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 14:59:28,038 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 14:59:28,039 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 14:59:28,039 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 14:59:28,040 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/safe021_power.opt_pso.opt.i [2024-11-09 14:59:29,503 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 14:59:29,792 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 14:59:29,797 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/safe021_power.opt_pso.opt.i [2024-11-09 14:59:29,818 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5085419ad/c569c6d009c34d2ca6ad118b5e7d177c/FLAGfff00228a [2024-11-09 14:59:30,085 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5085419ad/c569c6d009c34d2ca6ad118b5e7d177c [2024-11-09 14:59:30,088 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 14:59:30,089 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 14:59:30,092 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 14:59:30,092 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 14:59:30,098 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 14:59:30,098 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 02:59:30" (1/1) ... [2024-11-09 14:59:30,099 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@158f2ba6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:59:30, skipping insertion in model container [2024-11-09 14:59:30,099 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 02:59:30" (1/1) ... [2024-11-09 14:59:30,150 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 14:59:30,500 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 14:59:30,513 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 14:59:30,578 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 14:59:30,672 INFO L204 MainTranslator]: Completed translation [2024-11-09 14:59:30,673 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:59:30 WrapperNode [2024-11-09 14:59:30,673 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 14:59:30,674 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 14:59:30,674 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 14:59:30,674 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 14:59:30,682 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:59:30" (1/1) ... [2024-11-09 14:59:30,718 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:59:30" (1/1) ... [2024-11-09 14:59:30,745 INFO L138 Inliner]: procedures = 175, calls = 43, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 140 [2024-11-09 14:59:30,746 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 14:59:30,746 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 14:59:30,746 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 14:59:30,747 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 14:59:30,757 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:59:30" (1/1) ... [2024-11-09 14:59:30,757 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:59:30" (1/1) ... [2024-11-09 14:59:30,761 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:59:30" (1/1) ... [2024-11-09 14:59:30,777 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-09 14:59:30,777 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:59:30" (1/1) ... [2024-11-09 14:59:30,777 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:59:30" (1/1) ... [2024-11-09 14:59:30,784 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:59:30" (1/1) ... [2024-11-09 14:59:30,786 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:59:30" (1/1) ... [2024-11-09 14:59:30,788 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:59:30" (1/1) ... [2024-11-09 14:59:30,789 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:59:30" (1/1) ... [2024-11-09 14:59:30,792 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 14:59:30,793 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 14:59:30,793 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 14:59:30,793 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 14:59:30,794 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:59:30" (1/1) ... [2024-11-09 14:59:30,804 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 14:59:30,819 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 14:59:30,832 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-09 14:59:30,833 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-09 14:59:30,872 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-09 14:59:30,872 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 14:59:30,873 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-11-09 14:59:30,873 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-11-09 14:59:30,873 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-11-09 14:59:30,873 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-11-09 14:59:30,873 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-11-09 14:59:30,873 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-11-09 14:59:30,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-09 14:59:30,873 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-09 14:59:30,873 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 14:59:30,873 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 14:59:30,875 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-09 14:59:30,986 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 14:59:30,988 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 14:59:31,326 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-09 14:59:31,326 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 14:59:31,539 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 14:59:31,541 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 14:59:31,542 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 02:59:31 BoogieIcfgContainer [2024-11-09 14:59:31,543 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 14:59:31,545 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 14:59:31,545 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 14:59:31,549 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 14:59:31,549 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 02:59:30" (1/3) ... [2024-11-09 14:59:31,551 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1eb179f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 02:59:31, skipping insertion in model container [2024-11-09 14:59:31,551 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:59:30" (2/3) ... [2024-11-09 14:59:31,551 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1eb179f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 02:59:31, skipping insertion in model container [2024-11-09 14:59:31,552 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 02:59:31" (3/3) ... [2024-11-09 14:59:31,553 INFO L112 eAbstractionObserver]: Analyzing ICFG safe021_power.opt_pso.opt.i [2024-11-09 14:59:31,568 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 14:59:31,569 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2024-11-09 14:59:31,569 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-09 14:59:31,628 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-09 14:59:31,668 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 49 places, 39 transitions, 90 flow [2024-11-09 14:59:31,704 INFO L124 PetriNetUnfolderBase]: 0/36 cut-off events. [2024-11-09 14:59:31,704 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-09 14:59:31,708 INFO L83 FinitePrefix]: Finished finitePrefix Result has 46 conditions, 36 events. 0/36 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 91 event pairs, 0 based on Foata normal form. 0/30 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2024-11-09 14:59:31,708 INFO L82 GeneralOperation]: Start removeDead. Operand has 49 places, 39 transitions, 90 flow [2024-11-09 14:59:31,712 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 46 places, 36 transitions, 81 flow [2024-11-09 14:59:31,725 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 14:59:31,734 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=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;@4ae3046b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 14:59:31,735 INFO L334 AbstractCegarLoop]: Starting to check reachability of 15 error locations. [2024-11-09 14:59:31,743 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-09 14:59:31,744 INFO L124 PetriNetUnfolderBase]: 0/15 cut-off events. [2024-11-09 14:59:31,744 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-09 14:59:31,744 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 14:59:31,745 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-09 14:59:31,746 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-09 14:59:31,751 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 14:59:31,751 INFO L85 PathProgramCache]: Analyzing trace with hash -1775412282, now seen corresponding path program 1 times [2024-11-09 14:59:31,760 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 14:59:31,760 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1264698960] [2024-11-09 14:59:31,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 14:59:31,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 14:59:31,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:59:32,108 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 14:59:32,108 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 14:59:32,109 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1264698960] [2024-11-09 14:59:32,109 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1264698960] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 14:59:32,109 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 14:59:32,109 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-09 14:59:32,111 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1523268247] [2024-11-09 14:59:32,112 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 14:59:32,120 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 14:59:32,125 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 14:59:32,151 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 14:59:32,152 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 14:59:32,159 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 12 out of 39 [2024-11-09 14:59:32,161 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 46 places, 36 transitions, 81 flow. Second operand has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 14:59:32,162 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 14:59:32,162 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 12 of 39 [2024-11-09 14:59:32,163 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 14:59:32,972 INFO L124 PetriNetUnfolderBase]: 2501/3707 cut-off events. [2024-11-09 14:59:32,972 INFO L125 PetriNetUnfolderBase]: For 24/24 co-relation queries the response was YES. [2024-11-09 14:59:32,989 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7448 conditions, 3707 events. 2501/3707 cut-off events. For 24/24 co-relation queries the response was YES. Maximal size of possible extension queue 246. Compared 20693 event pairs, 893 based on Foata normal form. 0/2896 useless extension candidates. Maximal degree in co-relation 7437. Up to 3457 conditions per place. [2024-11-09 14:59:33,015 INFO L140 encePairwiseOnDemand]: 29/39 looper letters, 39 selfloop transitions, 4 changer transitions 0/52 dead transitions. [2024-11-09 14:59:33,015 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 48 places, 52 transitions, 205 flow [2024-11-09 14:59:33,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 14:59:33,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 14:59:33,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 85 transitions. [2024-11-09 14:59:33,028 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7264957264957265 [2024-11-09 14:59:33,029 INFO L175 Difference]: Start difference. First operand has 46 places, 36 transitions, 81 flow. Second operand 3 states and 85 transitions. [2024-11-09 14:59:33,030 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 48 places, 52 transitions, 205 flow [2024-11-09 14:59:33,034 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 45 places, 52 transitions, 200 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-11-09 14:59:33,037 INFO L231 Difference]: Finished difference. Result has 46 places, 39 transitions, 114 flow [2024-11-09 14:59:33,041 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=39, PETRI_DIFFERENCE_MINUEND_FLOW=78, PETRI_DIFFERENCE_MINUEND_PLACES=43, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=36, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=32, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=114, PETRI_PLACES=46, PETRI_TRANSITIONS=39} [2024-11-09 14:59:33,046 INFO L277 CegarLoopForPetriNet]: 46 programPoint places, 0 predicate places. [2024-11-09 14:59:33,046 INFO L471 AbstractCegarLoop]: Abstraction has has 46 places, 39 transitions, 114 flow [2024-11-09 14:59:33,047 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 14:59:33,047 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 14:59:33,047 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 14:59:33,047 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 14:59:33,048 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-09 14:59:33,048 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 14:59:33,048 INFO L85 PathProgramCache]: Analyzing trace with hash 212840825, now seen corresponding path program 1 times [2024-11-09 14:59:33,048 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 14:59:33,048 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [805942812] [2024-11-09 14:59:33,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 14:59:33,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 14:59:33,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:59:33,267 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 14:59:33,268 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 14:59:33,268 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [805942812] [2024-11-09 14:59:33,268 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [805942812] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 14:59:33,268 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 14:59:33,268 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 14:59:33,269 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [210602070] [2024-11-09 14:59:33,269 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 14:59:33,270 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 14:59:33,270 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 14:59:33,271 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 14:59:33,271 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 14:59:33,276 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 12 out of 39 [2024-11-09 14:59:33,277 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 46 places, 39 transitions, 114 flow. Second operand has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 14:59:33,278 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 14:59:33,278 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 12 of 39 [2024-11-09 14:59:33,278 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 14:59:33,672 INFO L124 PetriNetUnfolderBase]: 1713/2563 cut-off events. [2024-11-09 14:59:33,672 INFO L125 PetriNetUnfolderBase]: For 223/223 co-relation queries the response was YES. [2024-11-09 14:59:33,677 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6008 conditions, 2563 events. 1713/2563 cut-off events. For 223/223 co-relation queries the response was YES. Maximal size of possible extension queue 160. Compared 13943 event pairs, 535 based on Foata normal form. 0/2218 useless extension candidates. Maximal degree in co-relation 5997. Up to 2312 conditions per place. [2024-11-09 14:59:33,690 INFO L140 encePairwiseOnDemand]: 32/39 looper letters, 36 selfloop transitions, 4 changer transitions 0/49 dead transitions. [2024-11-09 14:59:33,690 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 46 places, 49 transitions, 212 flow [2024-11-09 14:59:33,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 14:59:33,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-09 14:59:33,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 91 transitions. [2024-11-09 14:59:33,693 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5833333333333334 [2024-11-09 14:59:33,693 INFO L175 Difference]: Start difference. First operand has 46 places, 39 transitions, 114 flow. Second operand 4 states and 91 transitions. [2024-11-09 14:59:33,694 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 46 places, 49 transitions, 212 flow [2024-11-09 14:59:33,695 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 45 places, 49 transitions, 208 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-09 14:59:33,696 INFO L231 Difference]: Finished difference. Result has 45 places, 36 transitions, 106 flow [2024-11-09 14:59:33,697 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=39, PETRI_DIFFERENCE_MINUEND_FLOW=98, PETRI_DIFFERENCE_MINUEND_PLACES=42, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=36, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=32, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=106, PETRI_PLACES=45, PETRI_TRANSITIONS=36} [2024-11-09 14:59:33,698 INFO L277 CegarLoopForPetriNet]: 46 programPoint places, -1 predicate places. [2024-11-09 14:59:33,698 INFO L471 AbstractCegarLoop]: Abstraction has has 45 places, 36 transitions, 106 flow [2024-11-09 14:59:33,699 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 14:59:33,699 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 14:59:33,699 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 14:59:33,699 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-09 14:59:33,700 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-09 14:59:33,700 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 14:59:33,701 INFO L85 PathProgramCache]: Analyzing trace with hash 212840826, now seen corresponding path program 1 times [2024-11-09 14:59:33,701 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 14:59:33,701 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [861398168] [2024-11-09 14:59:33,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 14:59:33,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 14:59:33,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:59:33,827 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 14:59:33,828 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 14:59:33,828 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [861398168] [2024-11-09 14:59:33,828 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [861398168] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 14:59:33,828 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 14:59:33,828 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 14:59:33,829 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [918565252] [2024-11-09 14:59:33,829 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 14:59:33,829 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 14:59:33,829 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 14:59:33,830 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 14:59:33,830 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 14:59:33,835 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 12 out of 39 [2024-11-09 14:59:33,836 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 45 places, 36 transitions, 106 flow. Second operand has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 14:59:33,836 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 14:59:33,837 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 12 of 39 [2024-11-09 14:59:33,837 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 14:59:34,159 INFO L124 PetriNetUnfolderBase]: 1225/1863 cut-off events. [2024-11-09 14:59:34,159 INFO L125 PetriNetUnfolderBase]: For 430/430 co-relation queries the response was YES. [2024-11-09 14:59:34,163 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4281 conditions, 1863 events. 1225/1863 cut-off events. For 430/430 co-relation queries the response was YES. Maximal size of possible extension queue 115. Compared 9737 event pairs, 185 based on Foata normal form. 0/1769 useless extension candidates. Maximal degree in co-relation 4269. Up to 985 conditions per place. [2024-11-09 14:59:34,171 INFO L140 encePairwiseOnDemand]: 32/39 looper letters, 47 selfloop transitions, 7 changer transitions 3/66 dead transitions. [2024-11-09 14:59:34,171 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 48 places, 66 transitions, 292 flow [2024-11-09 14:59:34,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 14:59:34,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-09 14:59:34,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 108 transitions. [2024-11-09 14:59:34,173 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6923076923076923 [2024-11-09 14:59:34,173 INFO L175 Difference]: Start difference. First operand has 45 places, 36 transitions, 106 flow. Second operand 4 states and 108 transitions. [2024-11-09 14:59:34,173 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 48 places, 66 transitions, 292 flow [2024-11-09 14:59:34,174 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 46 places, 66 transitions, 287 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-09 14:59:34,175 INFO L231 Difference]: Finished difference. Result has 47 places, 36 transitions, 127 flow [2024-11-09 14:59:34,176 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=39, PETRI_DIFFERENCE_MINUEND_FLOW=101, PETRI_DIFFERENCE_MINUEND_PLACES=43, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=36, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=29, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=127, PETRI_PLACES=47, PETRI_TRANSITIONS=36} [2024-11-09 14:59:34,176 INFO L277 CegarLoopForPetriNet]: 46 programPoint places, 1 predicate places. [2024-11-09 14:59:34,176 INFO L471 AbstractCegarLoop]: Abstraction has has 47 places, 36 transitions, 127 flow [2024-11-09 14:59:34,177 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 14:59:34,177 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 14:59:34,177 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] [2024-11-09 14:59:34,177 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-09 14:59:34,177 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-09 14:59:34,178 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 14:59:34,178 INFO L85 PathProgramCache]: Analyzing trace with hash -1919333930, now seen corresponding path program 1 times [2024-11-09 14:59:34,178 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 14:59:34,178 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [978847980] [2024-11-09 14:59:34,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 14:59:34,179 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 14:59:34,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:59:34,331 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 14:59:34,332 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 14:59:34,332 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [978847980] [2024-11-09 14:59:34,333 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [978847980] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 14:59:34,333 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 14:59:34,333 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 14:59:34,333 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1543763427] [2024-11-09 14:59:34,334 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 14:59:34,334 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 14:59:34,335 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 14:59:34,335 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 14:59:34,335 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-09 14:59:34,340 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 12 out of 39 [2024-11-09 14:59:34,341 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 47 places, 36 transitions, 127 flow. Second operand has 5 states, 5 states have (on average 14.6) internal successors, (73), 5 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 14:59:34,341 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 14:59:34,341 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 12 of 39 [2024-11-09 14:59:34,341 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 14:59:34,622 INFO L124 PetriNetUnfolderBase]: 957/1475 cut-off events. [2024-11-09 14:59:34,623 INFO L125 PetriNetUnfolderBase]: For 993/993 co-relation queries the response was YES. [2024-11-09 14:59:34,627 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3822 conditions, 1475 events. 957/1475 cut-off events. For 993/993 co-relation queries the response was YES. Maximal size of possible extension queue 115. Compared 8107 event pairs, 125 based on Foata normal form. 72/1525 useless extension candidates. Maximal degree in co-relation 3809. Up to 628 conditions per place. [2024-11-09 14:59:34,629 INFO L140 encePairwiseOnDemand]: 32/39 looper letters, 0 selfloop transitions, 0 changer transitions 60/60 dead transitions. [2024-11-09 14:59:34,629 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 48 places, 60 transitions, 271 flow [2024-11-09 14:59:34,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 14:59:34,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-09 14:59:34,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 114 transitions. [2024-11-09 14:59:34,632 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5846153846153846 [2024-11-09 14:59:34,633 INFO L175 Difference]: Start difference. First operand has 47 places, 36 transitions, 127 flow. Second operand 5 states and 114 transitions. [2024-11-09 14:59:34,633 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 48 places, 60 transitions, 271 flow [2024-11-09 14:59:34,635 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 44 places, 60 transitions, 247 flow, removed 3 selfloop flow, removed 4 redundant places. [2024-11-09 14:59:34,636 INFO L231 Difference]: Finished difference. Result has 44 places, 0 transitions, 0 flow [2024-11-09 14:59:34,636 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=39, PETRI_DIFFERENCE_MINUEND_FLOW=85, PETRI_DIFFERENCE_MINUEND_PLACES=40, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=33, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=33, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=0, PETRI_PLACES=44, PETRI_TRANSITIONS=0} [2024-11-09 14:59:34,638 INFO L277 CegarLoopForPetriNet]: 46 programPoint places, -2 predicate places. [2024-11-09 14:59:34,638 INFO L471 AbstractCegarLoop]: Abstraction has has 44 places, 0 transitions, 0 flow [2024-11-09 14:59:34,639 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 5 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 14:59:34,642 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 15 remaining) [2024-11-09 14:59:34,643 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 15 remaining) [2024-11-09 14:59:34,643 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 15 remaining) [2024-11-09 14:59:34,645 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 15 remaining) [2024-11-09 14:59:34,645 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 15 remaining) [2024-11-09 14:59:34,645 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 15 remaining) [2024-11-09 14:59:34,645 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 15 remaining) [2024-11-09 14:59:34,645 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (7 of 15 remaining) [2024-11-09 14:59:34,646 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 15 remaining) [2024-11-09 14:59:34,646 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 15 remaining) [2024-11-09 14:59:34,646 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 15 remaining) [2024-11-09 14:59:34,646 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 15 remaining) [2024-11-09 14:59:34,646 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 15 remaining) [2024-11-09 14:59:34,646 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 15 remaining) [2024-11-09 14:59:34,647 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 15 remaining) [2024-11-09 14:59:34,647 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-09 14:59:34,647 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-11-09 14:59:34,654 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-09 14:59:34,654 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 14:59:34,662 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 02:59:34 BasicIcfg [2024-11-09 14:59:34,663 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 14:59:34,664 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 14:59:34,664 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 14:59:34,664 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 14:59:34,665 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 02:59:31" (3/4) ... [2024-11-09 14:59:34,666 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-09 14:59:34,669 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2024-11-09 14:59:34,669 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2024-11-09 14:59:34,669 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2024-11-09 14:59:34,675 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 88 nodes and edges [2024-11-09 14:59:34,676 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2024-11-09 14:59:34,676 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-09 14:59:34,677 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-09 14:59:34,772 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-09 14:59:34,773 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-09 14:59:34,773 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 14:59:34,773 INFO L158 Benchmark]: Toolchain (without parser) took 4684.49ms. Allocated memory was 172.0MB in the beginning and 251.7MB in the end (delta: 79.7MB). Free memory was 101.2MB in the beginning and 87.0MB in the end (delta: 14.1MB). Peak memory consumption was 96.6MB. Max. memory is 16.1GB. [2024-11-09 14:59:34,774 INFO L158 Benchmark]: CDTParser took 1.04ms. Allocated memory is still 121.6MB. Free memory was 83.3MB in the beginning and 83.1MB in the end (delta: 122.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 14:59:34,774 INFO L158 Benchmark]: CACSL2BoogieTranslator took 581.38ms. Allocated memory is still 172.0MB. Free memory was 100.9MB in the beginning and 139.8MB in the end (delta: -38.8MB). Peak memory consumption was 32.9MB. Max. memory is 16.1GB. [2024-11-09 14:59:34,774 INFO L158 Benchmark]: Boogie Procedure Inliner took 71.81ms. Allocated memory is still 172.0MB. Free memory was 139.8MB in the beginning and 137.1MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 14:59:34,775 INFO L158 Benchmark]: Boogie Preprocessor took 45.99ms. Allocated memory is still 172.0MB. Free memory was 137.1MB in the beginning and 133.2MB in the end (delta: 3.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-09 14:59:34,775 INFO L158 Benchmark]: RCFGBuilder took 749.73ms. Allocated memory is still 172.0MB. Free memory was 133.2MB in the beginning and 78.3MB in the end (delta: 54.9MB). Peak memory consumption was 54.5MB. Max. memory is 16.1GB. [2024-11-09 14:59:34,775 INFO L158 Benchmark]: TraceAbstraction took 3117.84ms. Allocated memory was 172.0MB in the beginning and 251.7MB in the end (delta: 79.7MB). Free memory was 77.5MB in the beginning and 92.3MB in the end (delta: -14.8MB). Peak memory consumption was 91.3MB. Max. memory is 16.1GB. [2024-11-09 14:59:34,776 INFO L158 Benchmark]: Witness Printer took 109.27ms. Allocated memory is still 251.7MB. Free memory was 92.3MB in the beginning and 87.0MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-09 14:59:34,777 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.04ms. Allocated memory is still 121.6MB. Free memory was 83.3MB in the beginning and 83.1MB in the end (delta: 122.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 581.38ms. Allocated memory is still 172.0MB. Free memory was 100.9MB in the beginning and 139.8MB in the end (delta: -38.8MB). Peak memory consumption was 32.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 71.81ms. Allocated memory is still 172.0MB. Free memory was 139.8MB in the beginning and 137.1MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 45.99ms. Allocated memory is still 172.0MB. Free memory was 137.1MB in the beginning and 133.2MB in the end (delta: 3.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 749.73ms. Allocated memory is still 172.0MB. Free memory was 133.2MB in the beginning and 78.3MB in the end (delta: 54.9MB). Peak memory consumption was 54.5MB. Max. memory is 16.1GB. * TraceAbstraction took 3117.84ms. Allocated memory was 172.0MB in the beginning and 251.7MB in the end (delta: 79.7MB). Free memory was 77.5MB in the beginning and 92.3MB in the end (delta: -14.8MB). Peak memory consumption was 91.3MB. Max. memory is 16.1GB. * Witness Printer took 109.27ms. Allocated memory is still 251.7MB. Free memory was 92.3MB in the beginning and 87.0MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 756]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 756]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 785]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 785]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 805]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 805]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 70 locations, 15 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: 3.0s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 143 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 135 mSDsluCounter, 2 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 23 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 268 IncrementalHoareTripleChecker+Invalid, 291 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 23 mSolverCounterUnsat, 2 mSDtfsCounter, 268 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=127occurred in iteration=3, InterpolantAutomatonStates: 16, 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, 56 NumberOfCodeBlocks, 56 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 52 ConstructedInterpolants, 0 QuantifiedInterpolants, 156 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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 6 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-09 14:59:34,803 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE