./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/no-overflow.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/mix010.oepc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 61a67961 Calling Ultimate with: /root/.sdkman/candidates/java/current/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 /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/mix010.oepc.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 7921b56e8fb93a995ae84202df419b3b13e0137d1aac925ef124b626f5414f7b --- Real Ultimate output --- This is Ultimate 0.2.5-wip.fs.cvc5-61a6796-m [2024-10-14 23:47:02,292 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-14 23:47:02,355 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-10-14 23:47:02,360 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-14 23:47:02,360 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-14 23:47:02,374 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-14 23:47:02,375 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-14 23:47:02,375 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-14 23:47:02,375 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-14 23:47:02,376 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-14 23:47:02,376 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-14 23:47:02,376 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-14 23:47:02,377 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-14 23:47:02,377 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-14 23:47:02,377 INFO L153 SettingsManager]: * Use SBE=true [2024-10-14 23:47:02,377 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-14 23:47:02,378 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-14 23:47:02,381 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-14 23:47:02,381 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-14 23:47:02,381 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-14 23:47:02,381 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-14 23:47:02,383 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-14 23:47:02,383 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-14 23:47:02,384 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-14 23:47:02,384 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-14 23:47:02,384 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-14 23:47:02,384 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-14 23:47:02,384 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-14 23:47:02,384 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-14 23:47:02,385 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-14 23:47:02,385 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-14 23:47:02,385 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-14 23:47:02,385 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-14 23:47:02,385 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-14 23:47:02,385 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 23:47:02,385 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-14 23:47:02,386 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-14 23:47:02,386 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-14 23:47:02,386 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-14 23:47:02,386 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-14 23:47:02,386 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-14 23:47:02,387 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-14 23:47:02,387 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-14 23:47:02,388 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-14 23:47:02,388 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7921b56e8fb93a995ae84202df419b3b13e0137d1aac925ef124b626f5414f7b [2024-10-14 23:47:02,575 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-14 23:47:02,605 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-14 23:47:02,610 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-14 23:47:02,615 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-14 23:47:02,615 INFO L274 PluginConnector]: CDTParser initialized [2024-10-14 23:47:02,616 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/mix010.oepc.i [2024-10-14 23:47:03,883 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-14 23:47:04,064 INFO L384 CDTParser]: Found 1 translation units. [2024-10-14 23:47:04,065 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/mix010.oepc.i [2024-10-14 23:47:04,084 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ad77d2d15/0317969712b1413393c79213de9c601f/FLAGfb7e4ff47 [2024-10-14 23:47:04,450 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ad77d2d15/0317969712b1413393c79213de9c601f [2024-10-14 23:47:04,452 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-14 23:47:04,453 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-14 23:47:04,454 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-14 23:47:04,454 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-14 23:47:04,459 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-14 23:47:04,459 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 11:47:04" (1/1) ... [2024-10-14 23:47:04,460 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75022a55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:47:04, skipping insertion in model container [2024-10-14 23:47:04,460 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 11:47:04" (1/1) ... [2024-10-14 23:47:04,497 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-14 23:47:04,790 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 23:47:04,798 INFO L200 MainTranslator]: Completed pre-run [2024-10-14 23:47:04,847 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 23:47:04,879 INFO L204 MainTranslator]: Completed translation [2024-10-14 23:47:04,880 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:47:04 WrapperNode [2024-10-14 23:47:04,880 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-14 23:47:04,881 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-14 23:47:04,881 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-14 23:47:04,881 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-14 23:47:04,886 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:47:04" (1/1) ... [2024-10-14 23:47:04,907 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:47:04" (1/1) ... [2024-10-14 23:47:04,937 INFO L138 Inliner]: procedures = 175, calls = 49, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 125 [2024-10-14 23:47:04,940 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-14 23:47:04,941 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-14 23:47:04,941 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-14 23:47:04,941 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-14 23:47:04,950 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:47:04" (1/1) ... [2024-10-14 23:47:04,950 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:47:04" (1/1) ... [2024-10-14 23:47:04,958 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:47:04" (1/1) ... [2024-10-14 23:47:04,979 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-10-14 23:47:04,983 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:47:04" (1/1) ... [2024-10-14 23:47:04,983 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:47:04" (1/1) ... [2024-10-14 23:47:04,988 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:47:04" (1/1) ... [2024-10-14 23:47:04,994 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:47:04" (1/1) ... [2024-10-14 23:47:04,995 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:47:04" (1/1) ... [2024-10-14 23:47:04,996 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:47:04" (1/1) ... [2024-10-14 23:47:04,999 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-14 23:47:05,003 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-14 23:47:05,003 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-14 23:47:05,003 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-14 23:47:05,004 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:47:04" (1/1) ... [2024-10-14 23:47:05,009 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 23:47:05,017 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 23:47:05,031 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) [2024-10-14 23:47:05,033 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 [2024-10-14 23:47:05,067 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-10-14 23:47:05,067 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-14 23:47:05,067 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-10-14 23:47:05,067 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-10-14 23:47:05,067 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-10-14 23:47:05,068 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-10-14 23:47:05,068 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-10-14 23:47:05,068 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-10-14 23:47:05,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-14 23:47:05,068 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-10-14 23:47:05,068 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-14 23:47:05,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-14 23:47:05,073 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-14 23:47:05,189 INFO L238 CfgBuilder]: Building ICFG [2024-10-14 23:47:05,191 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-14 23:47:05,424 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-14 23:47:05,424 INFO L287 CfgBuilder]: Performing block encoding [2024-10-14 23:47:05,582 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-14 23:47:05,583 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-14 23:47:05,583 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:47:05 BoogieIcfgContainer [2024-10-14 23:47:05,584 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-14 23:47:05,585 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-14 23:47:05,586 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-14 23:47:05,588 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-14 23:47:05,588 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 11:47:04" (1/3) ... [2024-10-14 23:47:05,589 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@761ae292 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 11:47:05, skipping insertion in model container [2024-10-14 23:47:05,589 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:47:04" (2/3) ... [2024-10-14 23:47:05,590 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@761ae292 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 11:47:05, skipping insertion in model container [2024-10-14 23:47:05,590 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:47:05" (3/3) ... [2024-10-14 23:47:05,591 INFO L112 eAbstractionObserver]: Analyzing ICFG mix010.oepc.i [2024-10-14 23:47:05,603 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-14 23:47:05,603 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2024-10-14 23:47:05,603 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-14 23:47:05,642 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-10-14 23:47:05,672 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 52 places, 42 transitions, 96 flow [2024-10-14 23:47:05,692 INFO L124 PetriNetUnfolderBase]: 0/39 cut-off events. [2024-10-14 23:47:05,692 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-14 23:47:05,694 INFO L83 FinitePrefix]: Finished finitePrefix Result has 49 conditions, 39 events. 0/39 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 94 event pairs, 0 based on Foata normal form. 0/33 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2024-10-14 23:47:05,694 INFO L82 GeneralOperation]: Start removeDead. Operand has 52 places, 42 transitions, 96 flow [2024-10-14 23:47:05,697 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 49 places, 39 transitions, 87 flow [2024-10-14 23:47:05,705 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-14 23:47:05,711 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;@28ad4943, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-14 23:47:05,711 INFO L334 AbstractCegarLoop]: Starting to check reachability of 15 error locations. [2024-10-14 23:47:05,717 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-10-14 23:47:05,717 INFO L124 PetriNetUnfolderBase]: 0/12 cut-off events. [2024-10-14 23:47:05,718 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-14 23:47:05,718 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 23:47:05,718 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-10-14 23:47:05,719 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-10-14 23:47:05,722 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 23:47:05,722 INFO L85 PathProgramCache]: Analyzing trace with hash -1935016210, now seen corresponding path program 1 times [2024-10-14 23:47:05,729 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 23:47:05,729 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1601031023] [2024-10-14 23:47:05,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 23:47:05,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 23:47:05,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:47:06,042 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 23:47:06,042 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 23:47:06,042 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1601031023] [2024-10-14 23:47:06,043 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1601031023] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 23:47:06,043 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 23:47:06,043 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-10-14 23:47:06,044 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1186068292] [2024-10-14 23:47:06,045 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 23:47:06,052 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 23:47:06,055 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 23:47:06,074 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 23:47:06,074 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 23:47:06,082 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 15 out of 42 [2024-10-14 23:47:06,084 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 49 places, 39 transitions, 87 flow. Second operand has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 23:47:06,084 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 23:47:06,084 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 15 of 42 [2024-10-14 23:47:06,084 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 23:47:06,604 INFO L124 PetriNetUnfolderBase]: 2398/3584 cut-off events. [2024-10-14 23:47:06,604 INFO L125 PetriNetUnfolderBase]: For 24/24 co-relation queries the response was YES. [2024-10-14 23:47:06,614 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7182 conditions, 3584 events. 2398/3584 cut-off events. For 24/24 co-relation queries the response was YES. Maximal size of possible extension queue 238. Compared 20617 event pairs, 838 based on Foata normal form. 0/2831 useless extension candidates. Maximal degree in co-relation 7171. Up to 3251 conditions per place. [2024-10-14 23:47:06,630 INFO L140 encePairwiseOnDemand]: 32/42 looper letters, 39 selfloop transitions, 4 changer transitions 0/55 dead transitions. [2024-10-14 23:47:06,630 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 51 places, 55 transitions, 211 flow [2024-10-14 23:47:06,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 23:47:06,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-14 23:47:06,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 94 transitions. [2024-10-14 23:47:06,639 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.746031746031746 [2024-10-14 23:47:06,640 INFO L175 Difference]: Start difference. First operand has 49 places, 39 transitions, 87 flow. Second operand 3 states and 94 transitions. [2024-10-14 23:47:06,641 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 51 places, 55 transitions, 211 flow [2024-10-14 23:47:06,644 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 48 places, 55 transitions, 206 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-10-14 23:47:06,646 INFO L231 Difference]: Finished difference. Result has 49 places, 42 transitions, 120 flow [2024-10-14 23:47:06,647 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=42, PETRI_DIFFERENCE_MINUEND_FLOW=84, PETRI_DIFFERENCE_MINUEND_PLACES=46, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=39, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=35, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=120, PETRI_PLACES=49, PETRI_TRANSITIONS=42} [2024-10-14 23:47:06,650 INFO L277 CegarLoopForPetriNet]: 49 programPoint places, 0 predicate places. [2024-10-14 23:47:06,651 INFO L471 AbstractCegarLoop]: Abstraction has has 49 places, 42 transitions, 120 flow [2024-10-14 23:47:06,651 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 23:47:06,651 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 23:47:06,651 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 23:47:06,652 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-14 23:47:06,652 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-10-14 23:47:06,652 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 23:47:06,652 INFO L85 PathProgramCache]: Analyzing trace with hash 552993019, now seen corresponding path program 1 times [2024-10-14 23:47:06,652 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 23:47:06,652 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [54460222] [2024-10-14 23:47:06,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 23:47:06,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 23:47:06,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:47:06,780 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 23:47:06,780 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 23:47:06,780 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [54460222] [2024-10-14 23:47:06,781 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [54460222] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 23:47:06,781 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 23:47:06,781 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 23:47:06,781 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [440129803] [2024-10-14 23:47:06,781 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 23:47:06,782 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 23:47:06,783 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 23:47:06,783 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 23:47:06,783 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-14 23:47:06,787 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 15 out of 42 [2024-10-14 23:47:06,788 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 49 places, 42 transitions, 120 flow. Second operand has 4 states, 4 states have (on average 17.25) internal successors, (69), 4 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 23:47:06,788 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 23:47:06,788 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 15 of 42 [2024-10-14 23:47:06,788 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 23:47:07,079 INFO L124 PetriNetUnfolderBase]: 1703/2571 cut-off events. [2024-10-14 23:47:07,080 INFO L125 PetriNetUnfolderBase]: For 197/197 co-relation queries the response was YES. [2024-10-14 23:47:07,084 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5958 conditions, 2571 events. 1703/2571 cut-off events. For 197/197 co-relation queries the response was YES. Maximal size of possible extension queue 175. Compared 14384 event pairs, 529 based on Foata normal form. 0/2230 useless extension candidates. Maximal degree in co-relation 5947. Up to 2237 conditions per place. [2024-10-14 23:47:07,092 INFO L140 encePairwiseOnDemand]: 35/42 looper letters, 36 selfloop transitions, 4 changer transitions 0/52 dead transitions. [2024-10-14 23:47:07,092 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 49 places, 52 transitions, 218 flow [2024-10-14 23:47:07,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 23:47:07,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-10-14 23:47:07,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 103 transitions. [2024-10-14 23:47:07,095 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6130952380952381 [2024-10-14 23:47:07,095 INFO L175 Difference]: Start difference. First operand has 49 places, 42 transitions, 120 flow. Second operand 4 states and 103 transitions. [2024-10-14 23:47:07,095 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 49 places, 52 transitions, 218 flow [2024-10-14 23:47:07,096 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 48 places, 52 transitions, 214 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-14 23:47:07,097 INFO L231 Difference]: Finished difference. Result has 48 places, 39 transitions, 112 flow [2024-10-14 23:47:07,098 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=42, PETRI_DIFFERENCE_MINUEND_FLOW=104, PETRI_DIFFERENCE_MINUEND_PLACES=45, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=39, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=35, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=112, PETRI_PLACES=48, PETRI_TRANSITIONS=39} [2024-10-14 23:47:07,099 INFO L277 CegarLoopForPetriNet]: 49 programPoint places, -1 predicate places. [2024-10-14 23:47:07,099 INFO L471 AbstractCegarLoop]: Abstraction has has 48 places, 39 transitions, 112 flow [2024-10-14 23:47:07,099 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.25) internal successors, (69), 4 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 23:47:07,099 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 23:47:07,099 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 23:47:07,100 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-14 23:47:07,100 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-10-14 23:47:07,101 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 23:47:07,101 INFO L85 PathProgramCache]: Analyzing trace with hash 552993020, now seen corresponding path program 1 times [2024-10-14 23:47:07,101 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 23:47:07,101 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1934302196] [2024-10-14 23:47:07,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 23:47:07,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 23:47:07,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:47:07,193 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 23:47:07,194 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 23:47:07,194 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1934302196] [2024-10-14 23:47:07,195 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1934302196] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 23:47:07,195 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 23:47:07,195 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 23:47:07,195 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1928175433] [2024-10-14 23:47:07,195 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 23:47:07,196 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 23:47:07,196 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 23:47:07,196 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 23:47:07,196 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-14 23:47:07,200 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 15 out of 42 [2024-10-14 23:47:07,201 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 48 places, 39 transitions, 112 flow. Second operand has 4 states, 4 states have (on average 17.25) internal successors, (69), 4 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 23:47:07,201 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 23:47:07,201 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 15 of 42 [2024-10-14 23:47:07,201 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 23:47:07,460 INFO L124 PetriNetUnfolderBase]: 1254/1924 cut-off events. [2024-10-14 23:47:07,460 INFO L125 PetriNetUnfolderBase]: For 397/397 co-relation queries the response was YES. [2024-10-14 23:47:07,463 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4369 conditions, 1924 events. 1254/1924 cut-off events. For 397/397 co-relation queries the response was YES. Maximal size of possible extension queue 129. Compared 10376 event pairs, 216 based on Foata normal form. 0/1816 useless extension candidates. Maximal degree in co-relation 4357. Up to 893 conditions per place. [2024-10-14 23:47:07,469 INFO L140 encePairwiseOnDemand]: 35/42 looper letters, 47 selfloop transitions, 7 changer transitions 3/69 dead transitions. [2024-10-14 23:47:07,469 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 51 places, 69 transitions, 298 flow [2024-10-14 23:47:07,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 23:47:07,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-10-14 23:47:07,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 120 transitions. [2024-10-14 23:47:07,471 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7142857142857143 [2024-10-14 23:47:07,471 INFO L175 Difference]: Start difference. First operand has 48 places, 39 transitions, 112 flow. Second operand 4 states and 120 transitions. [2024-10-14 23:47:07,471 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 51 places, 69 transitions, 298 flow [2024-10-14 23:47:07,472 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 49 places, 69 transitions, 293 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-14 23:47:07,472 INFO L231 Difference]: Finished difference. Result has 50 places, 39 transitions, 133 flow [2024-10-14 23:47:07,473 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=42, PETRI_DIFFERENCE_MINUEND_FLOW=107, PETRI_DIFFERENCE_MINUEND_PLACES=46, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=39, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=32, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=133, PETRI_PLACES=50, PETRI_TRANSITIONS=39} [2024-10-14 23:47:07,473 INFO L277 CegarLoopForPetriNet]: 49 programPoint places, 1 predicate places. [2024-10-14 23:47:07,473 INFO L471 AbstractCegarLoop]: Abstraction has has 50 places, 39 transitions, 133 flow [2024-10-14 23:47:07,474 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.25) internal successors, (69), 4 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 23:47:07,474 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 23:47:07,474 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 23:47:07,474 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-14 23:47:07,474 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-10-14 23:47:07,474 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 23:47:07,474 INFO L85 PathProgramCache]: Analyzing trace with hash -694708040, now seen corresponding path program 1 times [2024-10-14 23:47:07,474 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 23:47:07,474 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1651215580] [2024-10-14 23:47:07,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 23:47:07,475 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 23:47:07,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:47:07,588 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 23:47:07,589 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 23:47:07,589 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1651215580] [2024-10-14 23:47:07,589 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1651215580] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 23:47:07,589 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 23:47:07,589 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-14 23:47:07,589 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [409503938] [2024-10-14 23:47:07,589 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 23:47:07,590 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 23:47:07,590 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 23:47:07,590 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 23:47:07,590 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-10-14 23:47:07,596 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 15 out of 42 [2024-10-14 23:47:07,596 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 50 places, 39 transitions, 133 flow. Second operand has 5 states, 5 states have (on average 17.8) internal successors, (89), 5 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 23:47:07,596 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 23:47:07,596 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 15 of 42 [2024-10-14 23:47:07,597 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 23:47:07,808 INFO L124 PetriNetUnfolderBase]: 1034/1604 cut-off events. [2024-10-14 23:47:07,808 INFO L125 PetriNetUnfolderBase]: For 942/942 co-relation queries the response was YES. [2024-10-14 23:47:07,811 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4063 conditions, 1604 events. 1034/1604 cut-off events. For 942/942 co-relation queries the response was YES. Maximal size of possible extension queue 129. Compared 9046 event pairs, 166 based on Foata normal form. 60/1616 useless extension candidates. Maximal degree in co-relation 4050. Up to 698 conditions per place. [2024-10-14 23:47:07,812 INFO L140 encePairwiseOnDemand]: 35/42 looper letters, 0 selfloop transitions, 0 changer transitions 63/63 dead transitions. [2024-10-14 23:47:07,812 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 51 places, 63 transitions, 277 flow [2024-10-14 23:47:07,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-14 23:47:07,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-10-14 23:47:07,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 129 transitions. [2024-10-14 23:47:07,814 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6142857142857143 [2024-10-14 23:47:07,814 INFO L175 Difference]: Start difference. First operand has 50 places, 39 transitions, 133 flow. Second operand 5 states and 129 transitions. [2024-10-14 23:47:07,815 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 51 places, 63 transitions, 277 flow [2024-10-14 23:47:07,816 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 47 places, 63 transitions, 253 flow, removed 3 selfloop flow, removed 4 redundant places. [2024-10-14 23:47:07,817 INFO L231 Difference]: Finished difference. Result has 47 places, 0 transitions, 0 flow [2024-10-14 23:47:07,818 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=42, PETRI_DIFFERENCE_MINUEND_FLOW=91, PETRI_DIFFERENCE_MINUEND_PLACES=43, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=36, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=36, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=0, PETRI_PLACES=47, PETRI_TRANSITIONS=0} [2024-10-14 23:47:07,819 INFO L277 CegarLoopForPetriNet]: 49 programPoint places, -2 predicate places. [2024-10-14 23:47:07,819 INFO L471 AbstractCegarLoop]: Abstraction has has 47 places, 0 transitions, 0 flow [2024-10-14 23:47:07,819 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.8) internal successors, (89), 5 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 23:47:07,822 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 15 remaining) [2024-10-14 23:47:07,822 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 15 remaining) [2024-10-14 23:47:07,822 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 15 remaining) [2024-10-14 23:47:07,823 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 15 remaining) [2024-10-14 23:47:07,823 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 15 remaining) [2024-10-14 23:47:07,824 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 15 remaining) [2024-10-14 23:47:07,824 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 15 remaining) [2024-10-14 23:47:07,824 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (7 of 15 remaining) [2024-10-14 23:47:07,824 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 15 remaining) [2024-10-14 23:47:07,824 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 15 remaining) [2024-10-14 23:47:07,824 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 15 remaining) [2024-10-14 23:47:07,825 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 15 remaining) [2024-10-14 23:47:07,825 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 15 remaining) [2024-10-14 23:47:07,825 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 15 remaining) [2024-10-14 23:47:07,825 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 15 remaining) [2024-10-14 23:47:07,825 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-14 23:47:07,825 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-10-14 23:47:07,829 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-10-14 23:47:07,829 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-14 23:47:07,835 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 11:47:07 BasicIcfg [2024-10-14 23:47:07,836 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-14 23:47:07,837 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-14 23:47:07,837 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-14 23:47:07,837 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-14 23:47:07,837 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:47:05" (3/4) ... [2024-10-14 23:47:07,838 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-14 23:47:07,841 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2024-10-14 23:47:07,841 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2024-10-14 23:47:07,841 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2024-10-14 23:47:07,846 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 75 nodes and edges [2024-10-14 23:47:07,846 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2024-10-14 23:47:07,846 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-10-14 23:47:07,847 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-10-14 23:47:07,919 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-10-14 23:47:07,920 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-10-14 23:47:07,920 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-14 23:47:07,920 INFO L158 Benchmark]: Toolchain (without parser) took 3467.03ms. Allocated memory was 161.5MB in the beginning and 249.6MB in the end (delta: 88.1MB). Free memory was 123.1MB in the beginning and 163.8MB in the end (delta: -40.6MB). Peak memory consumption was 46.6MB. Max. memory is 16.1GB. [2024-10-14 23:47:07,921 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 117.4MB. Free memory is still 91.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-14 23:47:07,921 INFO L158 Benchmark]: CACSL2BoogieTranslator took 426.31ms. Allocated memory is still 161.5MB. Free memory was 123.1MB in the beginning and 98.0MB in the end (delta: 25.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-10-14 23:47:07,921 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.34ms. Allocated memory is still 161.5MB. Free memory was 98.0MB in the beginning and 95.3MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-14 23:47:07,921 INFO L158 Benchmark]: Boogie Preprocessor took 61.07ms. Allocated memory is still 161.5MB. Free memory was 95.3MB in the beginning and 91.7MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-14 23:47:07,921 INFO L158 Benchmark]: RCFGBuilder took 581.56ms. Allocated memory is still 161.5MB. Free memory was 91.7MB in the beginning and 123.9MB in the end (delta: -32.2MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2024-10-14 23:47:07,922 INFO L158 Benchmark]: TraceAbstraction took 2251.09ms. Allocated memory was 161.5MB in the beginning and 249.6MB in the end (delta: 88.1MB). Free memory was 123.9MB in the beginning and 169.0MB in the end (delta: -45.1MB). Peak memory consumption was 149.7MB. Max. memory is 16.1GB. [2024-10-14 23:47:07,922 INFO L158 Benchmark]: Witness Printer took 82.96ms. Allocated memory is still 249.6MB. Free memory was 168.0MB in the beginning and 163.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-14 23:47:07,923 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 117.4MB. Free memory is still 91.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 426.31ms. Allocated memory is still 161.5MB. Free memory was 123.1MB in the beginning and 98.0MB in the end (delta: 25.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 59.34ms. Allocated memory is still 161.5MB. Free memory was 98.0MB in the beginning and 95.3MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 61.07ms. Allocated memory is still 161.5MB. Free memory was 95.3MB in the beginning and 91.7MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 581.56ms. Allocated memory is still 161.5MB. Free memory was 91.7MB in the beginning and 123.9MB in the end (delta: -32.2MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. * TraceAbstraction took 2251.09ms. Allocated memory was 161.5MB in the beginning and 249.6MB in the end (delta: 88.1MB). Free memory was 123.9MB in the beginning and 169.0MB in the end (delta: -45.1MB). Peak memory consumption was 149.7MB. Max. memory is 16.1GB. * Witness Printer took 82.96ms. Allocated memory is still 249.6MB. Free memory was 168.0MB in the beginning and 163.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 773]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 773]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 799]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 799]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 835]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 835]: 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, 76 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: 2.2s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 132 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 124 mSDsluCounter, 1 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 23 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 273 IncrementalHoareTripleChecker+Invalid, 296 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 23 mSolverCounterUnsat, 1 mSDtfsCounter, 273 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=133occurred 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, 0.4s InterpolantComputationTime, 63 NumberOfCodeBlocks, 63 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 59 ConstructedInterpolants, 0 QuantifiedInterpolants, 177 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! [2024-10-14 23:47:07,947 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