./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/termination-crafted/McCarthy91_Recursion.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 4f9af400 extending candidate: java ['java'] extending candidate: /usr/bin/java ['java', '/usr/bin/java'] extending candidate: /opt/oracle-jdk-bin-*/bin/java ['java', '/usr/bin/java'] extending candidate: /opt/openjdk-*/bin/java ['java', '/usr/bin/java'] extending candidate: /usr/lib/jvm/java-*-openjdk-amd64/bin/java ['java', '/usr/bin/java', '/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java', '/usr/lib/jvm/java-17-openjdk-amd64/bin/java', '/usr/lib/jvm/java-11-openjdk-amd64/bin/java', '/usr/lib/jvm/java-1.17.0-openjdk-amd64/bin/java'] ['/root/.sdkman/candidates/java/21.0.5-tem/bin/java', '-Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config', '-Xmx15G', '-Xms4m', '-jar', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar', '-data', '@noDefault', '-ultimatedata', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data', '-tc', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml', '-i', '../sv-benchmarks/c/termination-crafted/McCarthy91_Recursion.c', '-s', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf', '--cacsl2boogietranslator.entry.function', 'main', '--witnessprinter.witness.directory', '/storage/repos/ultimate-jdk21/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) )\n\n', '--witnessprinter.graph.data.producer', 'Automizer', '--witnessprinter.graph.data.architecture', '64bit', '--witnessprinter.graph.data.programhash', 'b4d53423478efbe88c69a2c2de1bb984f61e7e586fd7bb6761452f26ace425f7'] Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/termination-crafted/McCarthy91_Recursion.c -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/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 64bit --witnessprinter.graph.data.programhash b4d53423478efbe88c69a2c2de1bb984f61e7e586fd7bb6761452f26ace425f7 --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 19:51:16,706 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 19:51:16,784 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-11-07 19:51:16,788 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 19:51:16,788 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 19:51:16,807 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 19:51:16,807 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 19:51:16,807 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 19:51:16,808 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-07 19:51:16,808 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-07 19:51:16,808 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 19:51:16,808 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 19:51:16,808 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 19:51:16,808 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 19:51:16,809 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 19:51:16,809 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 19:51:16,809 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-07 19:51:16,809 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-07 19:51:16,809 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 19:51:16,809 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-07 19:51:16,811 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 19:51:16,811 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-07 19:51:16,811 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 19:51:16,811 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-07 19:51:16,811 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-07 19:51:16,811 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 19:51:16,811 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 19:51:16,811 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 19:51:16,811 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 19:51:16,811 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-07 19:51:16,812 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 19:51:16,812 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 19:51:16,812 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 19:51:16,812 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 19:51:16,812 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-07 19:51:16,812 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-07 19:51:16,812 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-07 19:51:16,812 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 19:51:16,812 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 19:51:16,812 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 19:51:16,812 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 19:51:16,812 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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-jdk21/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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b4d53423478efbe88c69a2c2de1bb984f61e7e586fd7bb6761452f26ace425f7 [2024-11-07 19:51:17,062 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 19:51:17,069 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 19:51:17,071 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 19:51:17,073 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 19:51:17,073 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 19:51:17,074 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-crafted/McCarthy91_Recursion.c [2024-11-07 19:51:18,397 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 19:51:18,637 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 19:51:18,637 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/termination-crafted/McCarthy91_Recursion.c [2024-11-07 19:51:18,646 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/c0f34abfa/aaf2eb7e6d884e2591f4b42042044dda/FLAG786918cc8 [2024-11-07 19:51:18,664 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/c0f34abfa/aaf2eb7e6d884e2591f4b42042044dda [2024-11-07 19:51:18,666 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 19:51:18,667 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 19:51:18,668 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 19:51:18,668 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 19:51:18,674 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 19:51:18,675 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 07:51:18" (1/1) ... [2024-11-07 19:51:18,676 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@578ee89d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:51:18, skipping insertion in model container [2024-11-07 19:51:18,676 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 07:51:18" (1/1) ... [2024-11-07 19:51:18,689 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 19:51:18,809 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 19:51:18,813 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 19:51:18,824 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 19:51:18,837 INFO L204 MainTranslator]: Completed translation [2024-11-07 19:51:18,838 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:51:18 WrapperNode [2024-11-07 19:51:18,838 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 19:51:18,840 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 19:51:18,840 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 19:51:18,840 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 19:51:18,846 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:51:18" (1/1) ... [2024-11-07 19:51:18,850 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:51:18" (1/1) ... [2024-11-07 19:51:18,864 INFO L138 Inliner]: procedures = 5, calls = 5, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 9 [2024-11-07 19:51:18,864 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 19:51:18,865 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 19:51:18,865 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 19:51:18,865 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 19:51:18,871 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:51:18" (1/1) ... [2024-11-07 19:51:18,872 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:51:18" (1/1) ... [2024-11-07 19:51:18,874 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:51:18" (1/1) ... [2024-11-07 19:51:18,878 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-07 19:51:18,879 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:51:18" (1/1) ... [2024-11-07 19:51:18,879 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:51:18" (1/1) ... [2024-11-07 19:51:18,883 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:51:18" (1/1) ... [2024-11-07 19:51:18,885 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:51:18" (1/1) ... [2024-11-07 19:51:18,886 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:51:18" (1/1) ... [2024-11-07 19:51:18,886 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:51:18" (1/1) ... [2024-11-07 19:51:18,888 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 19:51:18,888 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 19:51:18,889 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 19:51:18,889 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 19:51:18,890 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:51:18" (1/1) ... [2024-11-07 19:51:18,898 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 19:51:18,911 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 19:51:18,925 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-07 19:51:18,930 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-07 19:51:18,951 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 19:51:18,952 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 19:51:18,952 INFO L130 BoogieDeclarations]: Found specification of procedure mc91 [2024-11-07 19:51:18,952 INFO L138 BoogieDeclarations]: Found implementation of procedure mc91 [2024-11-07 19:51:19,001 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 19:51:19,003 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 19:51:19,099 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-11-07 19:51:19,099 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 19:51:19,109 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 19:51:19,110 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-07 19:51:19,110 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 07:51:19 BoogieIcfgContainer [2024-11-07 19:51:19,111 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 19:51:19,114 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 19:51:19,114 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 19:51:19,119 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 19:51:19,120 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 07:51:18" (1/3) ... [2024-11-07 19:51:19,120 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34f32d60 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 07:51:19, skipping insertion in model container [2024-11-07 19:51:19,120 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:51:18" (2/3) ... [2024-11-07 19:51:19,120 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34f32d60 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 07:51:19, skipping insertion in model container [2024-11-07 19:51:19,120 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 07:51:19" (3/3) ... [2024-11-07 19:51:19,121 INFO L112 eAbstractionObserver]: Analyzing ICFG McCarthy91_Recursion.c [2024-11-07 19:51:19,134 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 19:51:19,135 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2024-11-07 19:51:19,182 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 19:51:19,192 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;@682d0ed4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 19:51:19,192 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-11-07 19:51:19,196 INFO L276 IsEmpty]: Start isEmpty. Operand has 23 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 18 states have internal predecessors, (19), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-07 19:51:19,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-07 19:51:19,202 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 19:51:19,202 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-07 19:51:19,203 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting mc91Err2ASSERT_VIOLATIONINTEGER_OVERFLOW === [mc91Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, mc91Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, mc91Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-07 19:51:19,207 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 19:51:19,207 INFO L85 PathProgramCache]: Analyzing trace with hash 890133490, now seen corresponding path program 1 times [2024-11-07 19:51:19,214 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 19:51:19,214 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1760281812] [2024-11-07 19:51:19,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 19:51:19,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 19:51:19,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:51:19,360 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 19:51:19,361 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 19:51:19,361 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1760281812] [2024-11-07 19:51:19,362 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1760281812] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 19:51:19,362 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 19:51:19,362 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 19:51:19,363 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [984299094] [2024-11-07 19:51:19,363 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 19:51:19,366 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 19:51:19,366 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 19:51:19,379 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 19:51:19,380 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-07 19:51:19,382 INFO L87 Difference]: Start difference. First operand has 23 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 18 states have internal predecessors, (19), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 5 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 19:51:19,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 19:51:19,525 INFO L93 Difference]: Finished difference Result 41 states and 46 transitions. [2024-11-07 19:51:19,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 19:51:19,528 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2024-11-07 19:51:19,528 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 19:51:19,534 INFO L225 Difference]: With dead ends: 41 [2024-11-07 19:51:19,534 INFO L226 Difference]: Without dead ends: 36 [2024-11-07 19:51:19,535 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-07 19:51:19,538 INFO L432 NwaCegarLoop]: 14 mSDtfsCounter, 22 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 50 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 19:51:19,538 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 50 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 19:51:19,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2024-11-07 19:51:19,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 31. [2024-11-07 19:51:19,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 20 states have (on average 1.45) internal successors, (29), 24 states have internal predecessors, (29), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-07 19:51:19,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 38 transitions. [2024-11-07 19:51:19,577 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 38 transitions. Word has length 6 [2024-11-07 19:51:19,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 19:51:19,578 INFO L471 AbstractCegarLoop]: Abstraction has 31 states and 38 transitions. [2024-11-07 19:51:19,578 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 19:51:19,578 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 38 transitions. [2024-11-07 19:51:19,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-07 19:51:19,578 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 19:51:19,578 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-07 19:51:19,579 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-07 19:51:19,579 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting mc91Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [mc91Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, mc91Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, mc91Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-07 19:51:19,579 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 19:51:19,579 INFO L85 PathProgramCache]: Analyzing trace with hash 890133330, now seen corresponding path program 1 times [2024-11-07 19:51:19,579 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 19:51:19,579 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1991262851] [2024-11-07 19:51:19,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 19:51:19,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 19:51:19,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:51:19,601 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 19:51:19,601 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 19:51:19,601 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1991262851] [2024-11-07 19:51:19,601 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1991262851] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 19:51:19,601 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 19:51:19,601 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 19:51:19,602 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [387155547] [2024-11-07 19:51:19,602 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 19:51:19,603 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 19:51:19,603 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 19:51:19,604 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 19:51:19,604 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 19:51:19,604 INFO L87 Difference]: Start difference. First operand 31 states and 38 transitions. Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 19:51:19,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 19:51:19,627 INFO L93 Difference]: Finished difference Result 31 states and 38 transitions. [2024-11-07 19:51:19,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 19:51:19,628 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2024-11-07 19:51:19,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 19:51:19,628 INFO L225 Difference]: With dead ends: 31 [2024-11-07 19:51:19,628 INFO L226 Difference]: Without dead ends: 30 [2024-11-07 19:51:19,629 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 19:51:19,630 INFO L432 NwaCegarLoop]: 17 mSDtfsCounter, 1 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 27 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 19:51:19,631 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 27 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 19:51:19,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2024-11-07 19:51:19,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2024-11-07 19:51:19,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 20 states have (on average 1.35) internal successors, (27), 23 states have internal predecessors, (27), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-07 19:51:19,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 36 transitions. [2024-11-07 19:51:19,645 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 36 transitions. Word has length 6 [2024-11-07 19:51:19,645 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 19:51:19,645 INFO L471 AbstractCegarLoop]: Abstraction has 30 states and 36 transitions. [2024-11-07 19:51:19,645 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 19:51:19,645 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 36 transitions. [2024-11-07 19:51:19,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-07 19:51:19,646 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 19:51:19,646 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-07 19:51:19,646 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-07 19:51:19,647 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting mc91Err3ASSERT_VIOLATIONINTEGER_OVERFLOW === [mc91Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, mc91Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, mc91Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-07 19:51:19,647 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 19:51:19,647 INFO L85 PathProgramCache]: Analyzing trace with hash 1824334464, now seen corresponding path program 1 times [2024-11-07 19:51:19,647 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 19:51:19,647 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [72064204] [2024-11-07 19:51:19,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 19:51:19,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 19:51:19,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:51:19,675 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 19:51:19,676 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 19:51:19,676 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [72064204] [2024-11-07 19:51:19,676 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [72064204] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 19:51:19,676 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 19:51:19,676 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 19:51:19,676 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [470631830] [2024-11-07 19:51:19,676 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 19:51:19,677 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 19:51:19,677 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 19:51:19,677 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 19:51:19,677 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 19:51:19,678 INFO L87 Difference]: Start difference. First operand 30 states and 36 transitions. Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 19:51:19,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 19:51:19,696 INFO L93 Difference]: Finished difference Result 34 states and 42 transitions. [2024-11-07 19:51:19,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 19:51:19,696 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2024-11-07 19:51:19,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 19:51:19,697 INFO L225 Difference]: With dead ends: 34 [2024-11-07 19:51:19,697 INFO L226 Difference]: Without dead ends: 33 [2024-11-07 19:51:19,697 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 19:51:19,698 INFO L432 NwaCegarLoop]: 19 mSDtfsCounter, 4 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 25 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 19:51:19,698 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 25 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 19:51:19,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2024-11-07 19:51:19,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 29. [2024-11-07 19:51:19,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 20 states have (on average 1.25) internal successors, (25), 22 states have internal predecessors, (25), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-07 19:51:19,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 34 transitions. [2024-11-07 19:51:19,710 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 34 transitions. Word has length 7 [2024-11-07 19:51:19,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 19:51:19,710 INFO L471 AbstractCegarLoop]: Abstraction has 29 states and 34 transitions. [2024-11-07 19:51:19,710 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 19:51:19,710 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 34 transitions. [2024-11-07 19:51:19,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-07 19:51:19,711 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 19:51:19,711 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-07 19:51:19,711 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-07 19:51:19,711 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting mc91Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [mc91Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, mc91Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, mc91Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-07 19:51:19,712 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 19:51:19,712 INFO L85 PathProgramCache]: Analyzing trace with hash 1824329499, now seen corresponding path program 1 times [2024-11-07 19:51:19,712 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 19:51:19,712 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [22746060] [2024-11-07 19:51:19,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 19:51:19,712 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 19:51:19,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:51:19,779 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 19:51:19,780 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 19:51:19,780 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [22746060] [2024-11-07 19:51:19,780 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [22746060] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 19:51:19,780 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 19:51:19,780 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 19:51:19,780 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [491062723] [2024-11-07 19:51:19,781 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 19:51:19,781 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 19:51:19,781 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 19:51:19,781 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 19:51:19,782 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-07 19:51:19,782 INFO L87 Difference]: Start difference. First operand 29 states and 34 transitions. Second operand has 5 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 19:51:19,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 19:51:19,858 INFO L93 Difference]: Finished difference Result 48 states and 58 transitions. [2024-11-07 19:51:19,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 19:51:19,859 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2024-11-07 19:51:19,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 19:51:19,860 INFO L225 Difference]: With dead ends: 48 [2024-11-07 19:51:19,861 INFO L226 Difference]: Without dead ends: 40 [2024-11-07 19:51:19,862 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-07 19:51:19,863 INFO L432 NwaCegarLoop]: 16 mSDtfsCounter, 21 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 48 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 19:51:19,863 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 48 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 19:51:19,864 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2024-11-07 19:51:19,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 36. [2024-11-07 19:51:19,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 25 states have (on average 1.2) internal successors, (30), 27 states have internal predecessors, (30), 7 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-07 19:51:19,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 42 transitions. [2024-11-07 19:51:19,874 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 42 transitions. Word has length 7 [2024-11-07 19:51:19,874 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 19:51:19,874 INFO L471 AbstractCegarLoop]: Abstraction has 36 states and 42 transitions. [2024-11-07 19:51:19,875 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 19:51:19,875 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 42 transitions. [2024-11-07 19:51:19,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-07 19:51:19,875 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 19:51:19,875 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 19:51:19,875 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-07 19:51:19,876 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting mc91Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [mc91Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, mc91Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, mc91Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-07 19:51:19,877 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 19:51:19,877 INFO L85 PathProgramCache]: Analyzing trace with hash -472406497, now seen corresponding path program 1 times [2024-11-07 19:51:19,877 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 19:51:19,877 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [61668818] [2024-11-07 19:51:19,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 19:51:19,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 19:51:19,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:51:19,943 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 19:51:19,944 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 19:51:19,944 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [61668818] [2024-11-07 19:51:19,944 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [61668818] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 19:51:19,944 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 19:51:19,944 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 19:51:19,944 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [66693527] [2024-11-07 19:51:19,944 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 19:51:19,944 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 19:51:19,944 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 19:51:19,945 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 19:51:19,945 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-07 19:51:19,945 INFO L87 Difference]: Start difference. First operand 36 states and 42 transitions. Second operand has 5 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 19:51:20,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 19:51:20,016 INFO L93 Difference]: Finished difference Result 56 states and 68 transitions. [2024-11-07 19:51:20,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 19:51:20,016 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2024-11-07 19:51:20,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 19:51:20,017 INFO L225 Difference]: With dead ends: 56 [2024-11-07 19:51:20,018 INFO L226 Difference]: Without dead ends: 55 [2024-11-07 19:51:20,018 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-11-07 19:51:20,019 INFO L432 NwaCegarLoop]: 21 mSDtfsCounter, 17 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 40 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 19:51:20,019 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 40 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 19:51:20,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2024-11-07 19:51:20,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 48. [2024-11-07 19:51:20,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 34 states have (on average 1.1764705882352942) internal successors, (40), 36 states have internal predecessors, (40), 9 states have call successors, (9), 4 states have call predecessors, (9), 3 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-07 19:51:20,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 56 transitions. [2024-11-07 19:51:20,038 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 56 transitions. Word has length 12 [2024-11-07 19:51:20,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 19:51:20,038 INFO L471 AbstractCegarLoop]: Abstraction has 48 states and 56 transitions. [2024-11-07 19:51:20,038 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 19:51:20,038 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 56 transitions. [2024-11-07 19:51:20,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-07 19:51:20,039 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 19:51:20,039 INFO L215 NwaCegarLoop]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 19:51:20,039 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-07 19:51:20,039 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting mc91Err2ASSERT_VIOLATIONINTEGER_OVERFLOW === [mc91Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, mc91Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, mc91Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-07 19:51:20,040 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 19:51:20,040 INFO L85 PathProgramCache]: Analyzing trace with hash -926723715, now seen corresponding path program 1 times [2024-11-07 19:51:20,040 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 19:51:20,040 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1176013314] [2024-11-07 19:51:20,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 19:51:20,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 19:51:20,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:51:20,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-07 19:51:20,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:51:20,194 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-07 19:51:20,194 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 19:51:20,194 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1176013314] [2024-11-07 19:51:20,194 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1176013314] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 19:51:20,194 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 19:51:20,194 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-07 19:51:20,194 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1496475098] [2024-11-07 19:51:20,194 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 19:51:20,195 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-07 19:51:20,195 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 19:51:20,195 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-07 19:51:20,195 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-07 19:51:20,196 INFO L87 Difference]: Start difference. First operand 48 states and 56 transitions. Second operand has 7 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 6 states have internal predecessors, (14), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-07 19:51:20,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 19:51:20,329 INFO L93 Difference]: Finished difference Result 101 states and 130 transitions. [2024-11-07 19:51:20,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-07 19:51:20,329 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 6 states have internal predecessors, (14), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 19 [2024-11-07 19:51:20,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 19:51:20,331 INFO L225 Difference]: With dead ends: 101 [2024-11-07 19:51:20,331 INFO L226 Difference]: Without dead ends: 100 [2024-11-07 19:51:20,331 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2024-11-07 19:51:20,332 INFO L432 NwaCegarLoop]: 18 mSDtfsCounter, 21 mSDsluCounter, 50 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 68 SdHoareTripleChecker+Invalid, 97 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 19:51:20,332 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 68 Invalid, 97 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 19:51:20,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2024-11-07 19:51:20,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 90. [2024-11-07 19:51:20,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90 states, 61 states have (on average 1.1475409836065573) internal successors, (70), 66 states have internal predecessors, (70), 19 states have call successors, (19), 6 states have call predecessors, (19), 8 states have return successors, (22), 17 states have call predecessors, (22), 16 states have call successors, (22) [2024-11-07 19:51:20,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 111 transitions. [2024-11-07 19:51:20,348 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 111 transitions. Word has length 19 [2024-11-07 19:51:20,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 19:51:20,348 INFO L471 AbstractCegarLoop]: Abstraction has 90 states and 111 transitions. [2024-11-07 19:51:20,348 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 6 states have internal predecessors, (14), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-07 19:51:20,349 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 111 transitions. [2024-11-07 19:51:20,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-07 19:51:20,349 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 19:51:20,349 INFO L215 NwaCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 19:51:20,349 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-07 19:51:20,349 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting mc91Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [mc91Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, mc91Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, mc91Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-07 19:51:20,350 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 19:51:20,350 INFO L85 PathProgramCache]: Analyzing trace with hash 1336330992, now seen corresponding path program 1 times [2024-11-07 19:51:20,350 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 19:51:20,350 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1808164517] [2024-11-07 19:51:20,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 19:51:20,350 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 19:51:20,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:51:20,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-07 19:51:20,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:51:20,501 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-07 19:51:20,502 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 19:51:20,502 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1808164517] [2024-11-07 19:51:20,502 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1808164517] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 19:51:20,502 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [95088849] [2024-11-07 19:51:20,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 19:51:20,502 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 19:51:20,502 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 19:51:20,505 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 19:51:20,506 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-07 19:51:20,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:51:20,562 INFO L255 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-07 19:51:20,564 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 19:51:20,694 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 19:51:20,695 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 19:51:20,944 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 19:51:20,944 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [95088849] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 19:51:20,945 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 19:51:20,945 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 9, 9] total 22 [2024-11-07 19:51:20,945 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [403535623] [2024-11-07 19:51:20,945 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 19:51:20,945 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-11-07 19:51:20,945 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 19:51:20,946 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-11-07 19:51:20,947 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=424, Unknown=0, NotChecked=0, Total=506 [2024-11-07 19:51:20,947 INFO L87 Difference]: Start difference. First operand 90 states and 111 transitions. Second operand has 23 states, 20 states have (on average 2.25) internal successors, (45), 18 states have internal predecessors, (45), 9 states have call successors, (9), 6 states have call predecessors, (9), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-07 19:51:21,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 19:51:21,230 INFO L93 Difference]: Finished difference Result 99 states and 128 transitions. [2024-11-07 19:51:21,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-07 19:51:21,235 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 20 states have (on average 2.25) internal successors, (45), 18 states have internal predecessors, (45), 9 states have call successors, (9), 6 states have call predecessors, (9), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 20 [2024-11-07 19:51:21,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 19:51:21,236 INFO L225 Difference]: With dead ends: 99 [2024-11-07 19:51:21,236 INFO L226 Difference]: Without dead ends: 98 [2024-11-07 19:51:21,237 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 145 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=260, Invalid=862, Unknown=0, NotChecked=0, Total=1122 [2024-11-07 19:51:21,237 INFO L432 NwaCegarLoop]: 9 mSDtfsCounter, 69 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 108 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 34 SdHoareTripleChecker+Invalid, 165 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 108 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 19:51:21,237 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 34 Invalid, 165 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 108 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 19:51:21,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2024-11-07 19:51:21,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 89. [2024-11-07 19:51:21,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89 states, 61 states have (on average 1.1147540983606556) internal successors, (68), 65 states have internal predecessors, (68), 19 states have call successors, (19), 6 states have call predecessors, (19), 8 states have return successors, (22), 17 states have call predecessors, (22), 16 states have call successors, (22) [2024-11-07 19:51:21,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 109 transitions. [2024-11-07 19:51:21,265 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 109 transitions. Word has length 20 [2024-11-07 19:51:21,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 19:51:21,266 INFO L471 AbstractCegarLoop]: Abstraction has 89 states and 109 transitions. [2024-11-07 19:51:21,266 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 20 states have (on average 2.25) internal successors, (45), 18 states have internal predecessors, (45), 9 states have call successors, (9), 6 states have call predecessors, (9), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-07 19:51:21,266 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 109 transitions. [2024-11-07 19:51:21,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-11-07 19:51:21,267 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 19:51:21,267 INFO L215 NwaCegarLoop]: trace histogram [7, 5, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2024-11-07 19:51:21,285 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-07 19:51:21,468 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 19:51:21,468 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting mc91Err2ASSERT_VIOLATIONINTEGER_OVERFLOW === [mc91Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, mc91Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, mc91Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-07 19:51:21,469 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 19:51:21,469 INFO L85 PathProgramCache]: Analyzing trace with hash -5036456, now seen corresponding path program 1 times [2024-11-07 19:51:21,469 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 19:51:21,469 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1933295583] [2024-11-07 19:51:21,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 19:51:21,469 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 19:51:21,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:51:21,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 19:51:21,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:51:21,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-07 19:51:21,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:51:21,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-07 19:51:21,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:51:21,658 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2024-11-07 19:51:21,659 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 19:51:21,659 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1933295583] [2024-11-07 19:51:21,659 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1933295583] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 19:51:21,659 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 19:51:21,659 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-07 19:51:21,659 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [320035681] [2024-11-07 19:51:21,659 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 19:51:21,659 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-07 19:51:21,659 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 19:51:21,660 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-07 19:51:21,660 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-07 19:51:21,660 INFO L87 Difference]: Start difference. First operand 89 states and 109 transitions. Second operand has 8 states, 7 states have (on average 2.857142857142857) internal successors, (20), 6 states have internal predecessors, (20), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 3 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-07 19:51:21,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 19:51:21,817 INFO L93 Difference]: Finished difference Result 93 states and 121 transitions. [2024-11-07 19:51:21,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-07 19:51:21,818 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 2.857142857142857) internal successors, (20), 6 states have internal predecessors, (20), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 3 states have call predecessors, (3), 1 states have call successors, (3) Word has length 45 [2024-11-07 19:51:21,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 19:51:21,818 INFO L225 Difference]: With dead ends: 93 [2024-11-07 19:51:21,819 INFO L226 Difference]: Without dead ends: 0 [2024-11-07 19:51:21,821 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=156, Unknown=0, NotChecked=0, Total=210 [2024-11-07 19:51:21,822 INFO L432 NwaCegarLoop]: 16 mSDtfsCounter, 15 mSDsluCounter, 63 mSDsCounter, 0 mSdLazyCounter, 99 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 79 SdHoareTripleChecker+Invalid, 105 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 99 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 19:51:21,822 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 79 Invalid, 105 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 99 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 19:51:21,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-07 19:51:21,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-07 19:51:21,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 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) [2024-11-07 19:51:21,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-07 19:51:21,824 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 45 [2024-11-07 19:51:21,824 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 19:51:21,824 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-07 19:51:21,825 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 2.857142857142857) internal successors, (20), 6 states have internal predecessors, (20), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 3 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-07 19:51:21,825 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-07 19:51:21,825 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-07 19:51:21,827 INFO L782 garLoopResultBuilder]: Registering result SAFE for location mc91Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 4 remaining) [2024-11-07 19:51:21,828 INFO L782 garLoopResultBuilder]: Registering result SAFE for location mc91Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 4 remaining) [2024-11-07 19:51:21,828 INFO L782 garLoopResultBuilder]: Registering result SAFE for location mc91Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 4 remaining) [2024-11-07 19:51:21,828 INFO L782 garLoopResultBuilder]: Registering result SAFE for location mc91Err3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 4 remaining) [2024-11-07 19:51:21,829 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-07 19:51:21,831 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 19:51:21,835 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-07 19:51:22,285 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-07 19:51:22,311 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 07:51:22 BoogieIcfgContainer [2024-11-07 19:51:22,311 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-07 19:51:22,312 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-07 19:51:22,312 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-07 19:51:22,312 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-07 19:51:22,312 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 07:51:19" (3/4) ... [2024-11-07 19:51:22,314 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-07 19:51:22,322 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure mc91 [2024-11-07 19:51:22,326 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-11-07 19:51:22,327 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-07 19:51:22,327 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-07 19:51:22,393 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-07 19:51:22,393 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-07 19:51:22,393 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-07 19:51:22,394 INFO L158 Benchmark]: Toolchain (without parser) took 3726.97ms. Allocated memory was 117.4MB in the beginning and 159.4MB in the end (delta: 41.9MB). Free memory was 91.8MB in the beginning and 56.4MB in the end (delta: 35.5MB). Peak memory consumption was 80.1MB. Max. memory is 16.1GB. [2024-11-07 19:51:22,395 INFO L158 Benchmark]: CDTParser took 0.45ms. Allocated memory is still 117.4MB. Free memory is still 82.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-07 19:51:22,395 INFO L158 Benchmark]: CACSL2BoogieTranslator took 170.50ms. Allocated memory is still 117.4MB. Free memory was 91.7MB in the beginning and 82.1MB in the end (delta: 9.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-07 19:51:22,395 INFO L158 Benchmark]: Boogie Procedure Inliner took 24.53ms. Allocated memory is still 117.4MB. Free memory was 82.1MB in the beginning and 81.1MB in the end (delta: 993.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-07 19:51:22,396 INFO L158 Benchmark]: Boogie Preprocessor took 23.15ms. Allocated memory is still 117.4MB. Free memory was 81.1MB in the beginning and 80.3MB in the end (delta: 805.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-07 19:51:22,396 INFO L158 Benchmark]: RCFGBuilder took 222.33ms. Allocated memory is still 117.4MB. Free memory was 80.3MB in the beginning and 71.5MB in the end (delta: 8.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-07 19:51:22,397 INFO L158 Benchmark]: TraceAbstraction took 3196.51ms. Allocated memory was 117.4MB in the beginning and 159.4MB in the end (delta: 41.9MB). Free memory was 71.0MB in the beginning and 60.2MB in the end (delta: 10.8MB). Peak memory consumption was 54.9MB. Max. memory is 16.1GB. [2024-11-07 19:51:22,397 INFO L158 Benchmark]: Witness Printer took 82.17ms. Allocated memory is still 159.4MB. Free memory was 60.2MB in the beginning and 56.4MB in the end (delta: 3.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-07 19:51:22,400 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.45ms. Allocated memory is still 117.4MB. Free memory is still 82.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 170.50ms. Allocated memory is still 117.4MB. Free memory was 91.7MB in the beginning and 82.1MB in the end (delta: 9.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 24.53ms. Allocated memory is still 117.4MB. Free memory was 82.1MB in the beginning and 81.1MB in the end (delta: 993.9kB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 23.15ms. Allocated memory is still 117.4MB. Free memory was 81.1MB in the beginning and 80.3MB in the end (delta: 805.1kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 222.33ms. Allocated memory is still 117.4MB. Free memory was 80.3MB in the beginning and 71.5MB in the end (delta: 8.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 3196.51ms. Allocated memory was 117.4MB in the beginning and 159.4MB in the end (delta: 41.9MB). Free memory was 71.0MB in the beginning and 60.2MB in the end (delta: 10.8MB). Peak memory consumption was 54.9MB. Max. memory is 16.1GB. * Witness Printer took 82.17ms. Allocated memory is still 159.4MB. Free memory was 60.2MB in the beginning and 56.4MB in the end (delta: 3.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 10]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 10]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 11]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 11]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 23 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 2.7s, OverallIterations: 8, TraceHistogramMax: 7, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 180 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 170 mSDsluCounter, 371 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 241 mSDsCounter, 93 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 428 IncrementalHoareTripleChecker+Invalid, 521 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 93 mSolverCounterUnsat, 130 mSDtfsCounter, 428 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 116 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 168 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=90occurred in iteration=6, InterpolantAutomatonStates: 64, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 8 MinimizatonAttempts, 39 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 142 NumberOfCodeBlocks, 142 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 152 ConstructedInterpolants, 0 QuantifiedInterpolants, 364 SizeOfPredicates, 3 NumberOfNonLiveVariables, 39 ConjunctsInSsa, 10 ConjunctsInUnsatCore, 10 InterpolantComputations, 7 PerfectInterpolantSequences, 93/107 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 4 specifications checked. All of them hold - ProcedureContractResult [Line: 8]: Procedure Contract for mc91 Derived contract for procedure mc91. Requires: (((91 <= n) && (n <= 2147483648)) || ((n <= 111) && (0 <= (n + 2147483648)))) Ensures: (((((91 <= n) && (n <= 2147483648)) || ((n <= 111) && (0 <= (n + 2147483648)))) && (91 <= \result)) && ((((long) 9 + \result) < n) || ((n <= 100) && (\result <= 2147483657)))) RESULT: Ultimate proved your program to be correct! [2024-11-07 19:51:22,426 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE