./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/seq-mthreaded/pals_STARTPALS_ActiveStandby.5.ufo.BOUNDED-10.pals.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 8be7027f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/seq-mthreaded/pals_STARTPALS_ActiveStandby.5.ufo.BOUNDED-10.pals.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b1fa78b32466948213cdbfc05d3adcde2ac2fc14323ec3ac2f4b441976452676 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.perfect-tracechecks-8be7027-m [2024-11-12 17:54:26,665 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-12 17:54:26,733 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-12 17:54:26,737 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-12 17:54:26,739 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-12 17:54:26,759 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-12 17:54:26,760 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-12 17:54:26,761 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-12 17:54:26,761 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-12 17:54:26,764 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-12 17:54:26,764 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-12 17:54:26,764 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-12 17:54:26,765 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-12 17:54:26,765 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-12 17:54:26,765 INFO L153 SettingsManager]: * Use SBE=true [2024-11-12 17:54:26,765 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-12 17:54:26,766 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-12 17:54:26,766 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-12 17:54:26,767 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-12 17:54:26,767 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-12 17:54:26,767 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-12 17:54:26,768 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-12 17:54:26,768 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-12 17:54:26,768 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-12 17:54:26,768 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-12 17:54:26,769 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-12 17:54:26,769 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-12 17:54:26,769 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-12 17:54:26,769 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-12 17:54:26,769 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-12 17:54:26,769 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-12 17:54:26,770 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-12 17:54:26,770 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-12 17:54:26,770 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-12 17:54:26,770 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 17:54:26,771 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-12 17:54:26,771 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-12 17:54:26,771 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-12 17:54:26,772 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-12 17:54:26,772 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-12 17:54:26,772 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-12 17:54:26,772 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-12 17:54:26,772 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-12 17:54:26,772 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-12 17:54:26,772 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b1fa78b32466948213cdbfc05d3adcde2ac2fc14323ec3ac2f4b441976452676 [2024-11-12 17:54:26,959 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-12 17:54:26,975 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-12 17:54:26,978 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-12 17:54:26,979 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-12 17:54:26,979 INFO L274 PluginConnector]: CDTParser initialized [2024-11-12 17:54:26,980 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded/pals_STARTPALS_ActiveStandby.5.ufo.BOUNDED-10.pals.c [2024-11-12 17:54:28,193 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-12 17:54:28,371 INFO L384 CDTParser]: Found 1 translation units. [2024-11-12 17:54:28,372 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/pals_STARTPALS_ActiveStandby.5.ufo.BOUNDED-10.pals.c [2024-11-12 17:54:28,380 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/784042a09/74d2a1dbc5114cb7a4429b64e7a832c7/FLAG6661470f0 [2024-11-12 17:54:28,392 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/784042a09/74d2a1dbc5114cb7a4429b64e7a832c7 [2024-11-12 17:54:28,394 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-12 17:54:28,395 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-12 17:54:28,395 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-12 17:54:28,395 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-12 17:54:28,399 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-12 17:54:28,400 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 05:54:28" (1/1) ... [2024-11-12 17:54:28,400 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@488b6050 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:54:28, skipping insertion in model container [2024-11-12 17:54:28,400 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 05:54:28" (1/1) ... [2024-11-12 17:54:28,430 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-12 17:54:28,619 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 17:54:28,628 INFO L200 MainTranslator]: Completed pre-run [2024-11-12 17:54:28,676 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 17:54:28,697 INFO L204 MainTranslator]: Completed translation [2024-11-12 17:54:28,698 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:54:28 WrapperNode [2024-11-12 17:54:28,698 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-12 17:54:28,698 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-12 17:54:28,698 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-12 17:54:28,699 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-12 17:54:28,703 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:54:28" (1/1) ... [2024-11-12 17:54:28,713 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:54:28" (1/1) ... [2024-11-12 17:54:28,738 INFO L138 Inliner]: procedures = 32, calls = 48, calls flagged for inlining = 14, calls inlined = 14, statements flattened = 519 [2024-11-12 17:54:28,739 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-12 17:54:28,739 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-12 17:54:28,739 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-12 17:54:28,739 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-12 17:54:28,748 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:54:28" (1/1) ... [2024-11-12 17:54:28,748 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:54:28" (1/1) ... [2024-11-12 17:54:28,751 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:54:28" (1/1) ... [2024-11-12 17:54:28,771 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-12 17:54:28,771 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:54:28" (1/1) ... [2024-11-12 17:54:28,771 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:54:28" (1/1) ... [2024-11-12 17:54:28,791 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:54:28" (1/1) ... [2024-11-12 17:54:28,795 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:54:28" (1/1) ... [2024-11-12 17:54:28,801 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:54:28" (1/1) ... [2024-11-12 17:54:28,806 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:54:28" (1/1) ... [2024-11-12 17:54:28,809 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-12 17:54:28,811 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-12 17:54:28,811 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-12 17:54:28,811 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-12 17:54:28,811 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:54:28" (1/1) ... [2024-11-12 17:54:28,815 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 17:54:28,823 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:54:28,841 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-12 17:54:28,845 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-12 17:54:28,884 INFO L130 BoogieDeclarations]: Found specification of procedure read_manual_selection_history [2024-11-12 17:54:28,884 INFO L138 BoogieDeclarations]: Found implementation of procedure read_manual_selection_history [2024-11-12 17:54:28,884 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-12 17:54:28,884 INFO L130 BoogieDeclarations]: Found specification of procedure read_side2_failed_history [2024-11-12 17:54:28,884 INFO L138 BoogieDeclarations]: Found implementation of procedure read_side2_failed_history [2024-11-12 17:54:28,885 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2024-11-12 17:54:28,885 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2024-11-12 17:54:28,885 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-12 17:54:28,885 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-12 17:54:28,886 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-12 17:54:28,886 INFO L130 BoogieDeclarations]: Found specification of procedure read_side1_failed_history [2024-11-12 17:54:28,886 INFO L138 BoogieDeclarations]: Found implementation of procedure read_side1_failed_history [2024-11-12 17:54:28,887 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-12 17:54:28,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-12 17:54:28,887 INFO L130 BoogieDeclarations]: Found specification of procedure read_active_side_history [2024-11-12 17:54:28,887 INFO L138 BoogieDeclarations]: Found implementation of procedure read_active_side_history [2024-11-12 17:54:28,976 INFO L238 CfgBuilder]: Building ICFG [2024-11-12 17:54:28,977 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-12 17:54:29,442 INFO L? ?]: Removed 120 outVars from TransFormulas that were not future-live. [2024-11-12 17:54:29,442 INFO L287 CfgBuilder]: Performing block encoding [2024-11-12 17:54:29,456 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-12 17:54:29,457 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-12 17:54:29,457 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 05:54:29 BoogieIcfgContainer [2024-11-12 17:54:29,457 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-12 17:54:29,459 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-12 17:54:29,459 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-12 17:54:29,461 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-12 17:54:29,462 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 05:54:28" (1/3) ... [2024-11-12 17:54:29,462 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@929715 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 05:54:29, skipping insertion in model container [2024-11-12 17:54:29,463 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:54:28" (2/3) ... [2024-11-12 17:54:29,464 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@929715 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 05:54:29, skipping insertion in model container [2024-11-12 17:54:29,464 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 05:54:29" (3/3) ... [2024-11-12 17:54:29,465 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_STARTPALS_ActiveStandby.5.ufo.BOUNDED-10.pals.c [2024-11-12 17:54:29,476 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-12 17:54:29,476 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-12 17:54:29,521 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-12 17:54:29,527 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;@73ea7034, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-12 17:54:29,528 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-12 17:54:29,533 INFO L276 IsEmpty]: Start isEmpty. Operand has 178 states, 140 states have (on average 1.5571428571428572) internal successors, (218), 142 states have internal predecessors, (218), 29 states have call successors, (29), 6 states have call predecessors, (29), 6 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) [2024-11-12 17:54:29,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-11-12 17:54:29,545 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:54:29,546 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:54:29,547 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-12 17:54:29,551 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:54:29,551 INFO L85 PathProgramCache]: Analyzing trace with hash 1008486195, now seen corresponding path program 1 times [2024-11-12 17:54:29,558 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:54:29,558 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [187146638] [2024-11-12 17:54:29,558 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:54:29,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:54:29,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:54:29,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-12 17:54:29,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:54:29,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-12 17:54:29,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:54:29,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-12 17:54:29,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:54:29,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-12 17:54:29,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:54:29,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-12 17:54:29,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:54:29,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 17:54:29,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:54:29,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-12 17:54:29,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:54:29,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-12 17:54:29,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:54:29,986 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-12 17:54:29,986 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:54:29,986 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [187146638] [2024-11-12 17:54:29,987 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [187146638] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 17:54:29,987 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1018567676] [2024-11-12 17:54:29,987 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:54:29,987 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:54:29,988 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:54:29,989 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 17:54:29,990 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-12 17:54:30,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:54:30,171 INFO L256 TraceCheckSpWp]: Trace formula consists of 449 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-12 17:54:30,181 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:54:30,291 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 17:54:30,291 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-12 17:54:30,291 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1018567676] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 17:54:30,291 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-12 17:54:30,292 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 9 [2024-11-12 17:54:30,293 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [948732975] [2024-11-12 17:54:30,294 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 17:54:30,297 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-12 17:54:30,297 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:54:30,314 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-12 17:54:30,314 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-12 17:54:30,316 INFO L87 Difference]: Start difference. First operand has 178 states, 140 states have (on average 1.5571428571428572) internal successors, (218), 142 states have internal predecessors, (218), 29 states have call successors, (29), 6 states have call predecessors, (29), 6 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) Second operand has 5 states, 5 states have (on average 11.0) internal successors, (55), 4 states have internal predecessors, (55), 3 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-12 17:54:30,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:54:30,508 INFO L93 Difference]: Finished difference Result 390 states and 627 transitions. [2024-11-12 17:54:30,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-12 17:54:30,512 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.0) internal successors, (55), 4 states have internal predecessors, (55), 3 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 71 [2024-11-12 17:54:30,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:54:30,519 INFO L225 Difference]: With dead ends: 390 [2024-11-12 17:54:30,519 INFO L226 Difference]: Without dead ends: 218 [2024-11-12 17:54:30,523 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2024-11-12 17:54:30,525 INFO L435 NwaCegarLoop]: 238 mSDtfsCounter, 401 mSDsluCounter, 464 mSDsCounter, 0 mSdLazyCounter, 98 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 401 SdHoareTripleChecker+Valid, 702 SdHoareTripleChecker+Invalid, 107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 98 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-12 17:54:30,526 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [401 Valid, 702 Invalid, 107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 98 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-12 17:54:30,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 218 states. [2024-11-12 17:54:30,572 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 218 to 214. [2024-11-12 17:54:30,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 214 states, 173 states have (on average 1.5317919075144508) internal successors, (265), 174 states have internal predecessors, (265), 31 states have call successors, (31), 8 states have call predecessors, (31), 8 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2024-11-12 17:54:30,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 214 states and 327 transitions. [2024-11-12 17:54:30,577 INFO L78 Accepts]: Start accepts. Automaton has 214 states and 327 transitions. Word has length 71 [2024-11-12 17:54:30,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:54:30,578 INFO L471 AbstractCegarLoop]: Abstraction has 214 states and 327 transitions. [2024-11-12 17:54:30,578 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.0) internal successors, (55), 4 states have internal predecessors, (55), 3 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-12 17:54:30,578 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 327 transitions. [2024-11-12 17:54:30,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-11-12 17:54:30,581 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:54:30,582 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:54:30,596 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-12 17:54:30,783 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-12 17:54:30,783 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-12 17:54:30,784 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:54:30,784 INFO L85 PathProgramCache]: Analyzing trace with hash 1981058983, now seen corresponding path program 1 times [2024-11-12 17:54:30,784 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:54:30,784 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1240761962] [2024-11-12 17:54:30,784 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:54:30,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:54:30,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:54:30,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-12 17:54:30,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:54:30,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-12 17:54:30,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:54:30,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-12 17:54:30,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:54:30,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-12 17:54:30,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:54:30,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 17:54:30,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:54:30,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-12 17:54:30,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:54:30,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-12 17:54:30,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:54:30,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 17:54:30,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:54:30,909 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-12 17:54:30,909 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:54:30,909 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1240761962] [2024-11-12 17:54:30,909 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1240761962] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 17:54:30,909 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1492962593] [2024-11-12 17:54:30,910 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:54:30,910 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:54:30,910 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:54:30,911 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 17:54:30,912 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-12 17:54:31,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:54:31,032 INFO L256 TraceCheckSpWp]: Trace formula consists of 450 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-12 17:54:31,034 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:54:31,094 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 17:54:31,096 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-12 17:54:31,096 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1492962593] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 17:54:31,096 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-12 17:54:31,096 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 9 [2024-11-12 17:54:31,096 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [773877864] [2024-11-12 17:54:31,096 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 17:54:31,097 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-12 17:54:31,097 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:54:31,098 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-12 17:54:31,098 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-12 17:54:31,098 INFO L87 Difference]: Start difference. First operand 214 states and 327 transitions. Second operand has 5 states, 5 states have (on average 11.2) internal successors, (56), 4 states have internal predecessors, (56), 3 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-12 17:54:31,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:54:31,242 INFO L93 Difference]: Finished difference Result 374 states and 571 transitions. [2024-11-12 17:54:31,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-12 17:54:31,243 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 4 states have internal predecessors, (56), 3 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 72 [2024-11-12 17:54:31,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:54:31,245 INFO L225 Difference]: With dead ends: 374 [2024-11-12 17:54:31,246 INFO L226 Difference]: Without dead ends: 219 [2024-11-12 17:54:31,247 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2024-11-12 17:54:31,248 INFO L435 NwaCegarLoop]: 233 mSDtfsCounter, 386 mSDsluCounter, 454 mSDsCounter, 0 mSdLazyCounter, 98 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 386 SdHoareTripleChecker+Valid, 687 SdHoareTripleChecker+Invalid, 107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 98 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-12 17:54:31,248 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [386 Valid, 687 Invalid, 107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 98 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-12 17:54:31,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 219 states. [2024-11-12 17:54:31,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 219 to 216. [2024-11-12 17:54:31,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 216 states, 175 states have (on average 1.5257142857142858) internal successors, (267), 176 states have internal predecessors, (267), 31 states have call successors, (31), 8 states have call predecessors, (31), 8 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2024-11-12 17:54:31,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 329 transitions. [2024-11-12 17:54:31,265 INFO L78 Accepts]: Start accepts. Automaton has 216 states and 329 transitions. Word has length 72 [2024-11-12 17:54:31,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:54:31,265 INFO L471 AbstractCegarLoop]: Abstraction has 216 states and 329 transitions. [2024-11-12 17:54:31,265 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 4 states have internal predecessors, (56), 3 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-12 17:54:31,265 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 329 transitions. [2024-11-12 17:54:31,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-11-12 17:54:31,268 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:54:31,269 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:54:31,283 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-12 17:54:31,469 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2024-11-12 17:54:31,470 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-12 17:54:31,470 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:54:31,470 INFO L85 PathProgramCache]: Analyzing trace with hash 1092209273, now seen corresponding path program 1 times [2024-11-12 17:54:31,470 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:54:31,471 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2031745296] [2024-11-12 17:54:31,471 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:54:31,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:54:31,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:54:31,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-12 17:54:31,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:54:31,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-12 17:54:31,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:54:31,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-12 17:54:31,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:54:31,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 17:54:31,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:54:31,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-12 17:54:31,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:54:31,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-12 17:54:31,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:54:31,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-12 17:54:31,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:54:31,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-12 17:54:31,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:54:31,624 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-12 17:54:31,624 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:54:31,625 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2031745296] [2024-11-12 17:54:31,625 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2031745296] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 17:54:31,625 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2097501704] [2024-11-12 17:54:31,625 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:54:31,625 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:54:31,625 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:54:31,627 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 17:54:31,628 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-12 17:54:31,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:54:31,739 INFO L256 TraceCheckSpWp]: Trace formula consists of 451 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-12 17:54:31,741 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:54:31,796 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-12 17:54:31,796 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-12 17:54:31,796 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2097501704] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 17:54:31,796 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-12 17:54:31,796 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2024-11-12 17:54:31,797 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1294843965] [2024-11-12 17:54:31,797 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 17:54:31,797 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 17:54:31,797 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:54:31,798 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 17:54:31,798 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-12 17:54:31,798 INFO L87 Difference]: Start difference. First operand 216 states and 329 transitions. Second operand has 4 states, 3 states have (on average 17.333333333333332) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-12 17:54:31,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:54:31,818 INFO L93 Difference]: Finished difference Result 216 states and 329 transitions. [2024-11-12 17:54:31,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-12 17:54:31,820 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 17.333333333333332) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 74 [2024-11-12 17:54:31,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:54:31,821 INFO L225 Difference]: With dead ends: 216 [2024-11-12 17:54:31,821 INFO L226 Difference]: Without dead ends: 215 [2024-11-12 17:54:31,821 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-12 17:54:31,822 INFO L435 NwaCegarLoop]: 261 mSDtfsCounter, 108 mSDsluCounter, 361 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 125 SdHoareTripleChecker+Valid, 622 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 17:54:31,822 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [125 Valid, 622 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 17:54:31,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 215 states. [2024-11-12 17:54:31,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 215 to 215. [2024-11-12 17:54:31,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 215 states, 175 states have (on average 1.52) internal successors, (266), 175 states have internal predecessors, (266), 31 states have call successors, (31), 8 states have call predecessors, (31), 8 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2024-11-12 17:54:31,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 215 states and 328 transitions. [2024-11-12 17:54:31,844 INFO L78 Accepts]: Start accepts. Automaton has 215 states and 328 transitions. Word has length 74 [2024-11-12 17:54:31,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:54:31,845 INFO L471 AbstractCegarLoop]: Abstraction has 215 states and 328 transitions. [2024-11-12 17:54:31,845 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 17.333333333333332) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-12 17:54:31,846 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 328 transitions. [2024-11-12 17:54:31,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2024-11-12 17:54:31,849 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:54:31,849 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:54:31,863 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-12 17:54:32,050 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:54:32,050 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-12 17:54:32,051 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:54:32,051 INFO L85 PathProgramCache]: Analyzing trace with hash -501250391, now seen corresponding path program 1 times [2024-11-12 17:54:32,051 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:54:32,051 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [610150339] [2024-11-12 17:54:32,051 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:54:32,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:54:32,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:54:32,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-12 17:54:32,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:54:32,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-12 17:54:32,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:54:32,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-12 17:54:32,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:54:32,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 17:54:32,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:54:32,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-12 17:54:32,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:54:32,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-12 17:54:32,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:54:32,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-12 17:54:32,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:54:32,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-12 17:54:32,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:54:32,177 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-12 17:54:32,177 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:54:32,177 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [610150339] [2024-11-12 17:54:32,177 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [610150339] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 17:54:32,177 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [604116834] [2024-11-12 17:54:32,177 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:54:32,178 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:54:32,178 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:54:32,180 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 17:54:32,181 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-12 17:54:32,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:54:32,291 INFO L256 TraceCheckSpWp]: Trace formula consists of 452 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-12 17:54:32,293 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:54:32,347 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-12 17:54:32,348 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-12 17:54:32,348 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [604116834] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 17:54:32,348 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-12 17:54:32,348 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2024-11-12 17:54:32,348 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1531285002] [2024-11-12 17:54:32,348 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 17:54:32,349 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 17:54:32,349 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:54:32,349 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 17:54:32,349 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-12 17:54:32,350 INFO L87 Difference]: Start difference. First operand 215 states and 328 transitions. Second operand has 4 states, 3 states have (on average 17.666666666666668) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-12 17:54:32,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:54:32,375 INFO L93 Difference]: Finished difference Result 296 states and 460 transitions. [2024-11-12 17:54:32,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-12 17:54:32,375 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 17.666666666666668) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 75 [2024-11-12 17:54:32,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:54:32,377 INFO L225 Difference]: With dead ends: 296 [2024-11-12 17:54:32,377 INFO L226 Difference]: Without dead ends: 295 [2024-11-12 17:54:32,377 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-12 17:54:32,378 INFO L435 NwaCegarLoop]: 262 mSDtfsCounter, 101 mSDsluCounter, 519 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 118 SdHoareTripleChecker+Valid, 781 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 17:54:32,378 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [118 Valid, 781 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 17:54:32,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 295 states. [2024-11-12 17:54:32,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 295 to 295. [2024-11-12 17:54:32,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 295 states, 232 states have (on average 1.5129310344827587) internal successors, (351), 232 states have internal predecessors, (351), 54 states have call successors, (54), 8 states have call predecessors, (54), 8 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) [2024-11-12 17:54:32,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 295 states and 459 transitions. [2024-11-12 17:54:32,398 INFO L78 Accepts]: Start accepts. Automaton has 295 states and 459 transitions. Word has length 75 [2024-11-12 17:54:32,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:54:32,399 INFO L471 AbstractCegarLoop]: Abstraction has 295 states and 459 transitions. [2024-11-12 17:54:32,400 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 17.666666666666668) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-12 17:54:32,400 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 459 transitions. [2024-11-12 17:54:32,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-11-12 17:54:32,402 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:54:32,402 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:54:32,419 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-12 17:54:32,603 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:54:32,603 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-12 17:54:32,603 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:54:32,604 INFO L85 PathProgramCache]: Analyzing trace with hash -859628764, now seen corresponding path program 1 times [2024-11-12 17:54:32,604 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:54:32,604 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [419567268] [2024-11-12 17:54:32,604 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:54:32,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:54:32,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:54:32,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-12 17:54:32,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:54:32,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-12 17:54:32,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:54:32,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-12 17:54:32,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:54:32,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 17:54:32,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:54:32,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-12 17:54:32,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:54:32,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-12 17:54:32,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:54:32,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-12 17:54:32,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:54:32,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-12 17:54:32,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:54:32,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-12 17:54:32,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:54:32,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-12 17:54:32,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:54:32,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-12 17:54:32,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:54:32,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-12 17:54:32,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:54:32,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-12 17:54:32,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:54:32,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-12 17:54:32,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:54:32,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-12 17:54:32,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:54:32,755 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2024-11-12 17:54:32,755 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:54:32,755 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [419567268] [2024-11-12 17:54:32,755 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [419567268] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 17:54:32,755 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2099441716] [2024-11-12 17:54:32,755 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:54:32,756 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:54:32,756 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:54:32,757 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 17:54:32,758 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-12 17:54:32,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:54:32,906 INFO L256 TraceCheckSpWp]: Trace formula consists of 709 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-12 17:54:32,909 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:54:32,999 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-11-12 17:54:32,999 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 17:54:33,161 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-11-12 17:54:33,162 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2099441716] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 17:54:33,162 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 17:54:33,162 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 14 [2024-11-12 17:54:33,162 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1839411084] [2024-11-12 17:54:33,162 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 17:54:33,163 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-12 17:54:33,163 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:54:33,163 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-12 17:54:33,164 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2024-11-12 17:54:33,164 INFO L87 Difference]: Start difference. First operand 295 states and 459 transitions. Second operand has 14 states, 13 states have (on average 13.538461538461538) internal successors, (176), 14 states have internal predecessors, (176), 7 states have call successors, (37), 1 states have call predecessors, (37), 2 states have return successors, (37), 6 states have call predecessors, (37), 7 states have call successors, (37) [2024-11-12 17:54:33,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:54:33,333 INFO L93 Difference]: Finished difference Result 689 states and 1079 transitions. [2024-11-12 17:54:33,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-12 17:54:33,334 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 13.538461538461538) internal successors, (176), 14 states have internal predecessors, (176), 7 states have call successors, (37), 1 states have call predecessors, (37), 2 states have return successors, (37), 6 states have call predecessors, (37), 7 states have call successors, (37) Word has length 137 [2024-11-12 17:54:33,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:54:33,334 INFO L225 Difference]: With dead ends: 689 [2024-11-12 17:54:33,334 INFO L226 Difference]: Without dead ends: 0 [2024-11-12 17:54:33,336 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 307 GetRequests, 295 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2024-11-12 17:54:33,336 INFO L435 NwaCegarLoop]: 257 mSDtfsCounter, 552 mSDsluCounter, 1603 mSDsCounter, 0 mSdLazyCounter, 140 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 610 SdHoareTripleChecker+Valid, 1860 SdHoareTripleChecker+Invalid, 188 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 140 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-12 17:54:33,337 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [610 Valid, 1860 Invalid, 188 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 140 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-12 17:54:33,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-12 17:54:33,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-12 17:54:33,338 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) [2024-11-12 17:54:33,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-12 17:54:33,338 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 137 [2024-11-12 17:54:33,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:54:33,338 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-12 17:54:33,338 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 13.538461538461538) internal successors, (176), 14 states have internal predecessors, (176), 7 states have call successors, (37), 1 states have call predecessors, (37), 2 states have return successors, (37), 6 states have call predecessors, (37), 7 states have call successors, (37) [2024-11-12 17:54:33,338 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-12 17:54:33,338 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-12 17:54:33,341 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-12 17:54:33,342 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-12 17:54:33,356 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-12 17:54:33,542 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:54:33,545 INFO L421 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2024-11-12 17:54:33,547 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-12 17:54:33,973 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-12 17:54:34,001 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 05:54:34 BoogieIcfgContainer [2024-11-12 17:54:34,002 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-12 17:54:34,003 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-12 17:54:34,003 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-12 17:54:34,003 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-12 17:54:34,003 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 05:54:29" (3/4) ... [2024-11-12 17:54:34,005 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-12 17:54:34,008 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure read_manual_selection_history [2024-11-12 17:54:34,008 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure read_side2_failed_history [2024-11-12 17:54:34,008 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assert [2024-11-12 17:54:34,008 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure read_side1_failed_history [2024-11-12 17:54:34,008 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2024-11-12 17:54:34,009 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure read_active_side_history [2024-11-12 17:54:34,020 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2024-11-12 17:54:34,021 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-12 17:54:34,022 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-12 17:54:34,022 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-12 17:54:34,131 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-12 17:54:34,131 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-12 17:54:34,131 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-12 17:54:34,132 INFO L158 Benchmark]: Toolchain (without parser) took 5737.09ms. Allocated memory was 172.0MB in the beginning and 216.0MB in the end (delta: 44.0MB). Free memory was 141.7MB in the beginning and 149.3MB in the end (delta: -7.7MB). Peak memory consumption was 35.0MB. Max. memory is 16.1GB. [2024-11-12 17:54:34,132 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 125.8MB. Free memory is still 87.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-12 17:54:34,132 INFO L158 Benchmark]: CACSL2BoogieTranslator took 302.53ms. Allocated memory is still 172.0MB. Free memory was 141.7MB in the beginning and 121.4MB in the end (delta: 20.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-11-12 17:54:34,132 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.19ms. Allocated memory is still 172.0MB. Free memory was 121.4MB in the beginning and 117.9MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-12 17:54:34,133 INFO L158 Benchmark]: Boogie Preprocessor took 71.00ms. Allocated memory is still 172.0MB. Free memory was 117.9MB in the beginning and 113.0MB in the end (delta: 4.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-12 17:54:34,133 INFO L158 Benchmark]: RCFGBuilder took 646.69ms. Allocated memory is still 172.0MB. Free memory was 113.0MB in the beginning and 124.9MB in the end (delta: -11.8MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2024-11-12 17:54:34,133 INFO L158 Benchmark]: TraceAbstraction took 4543.24ms. Allocated memory was 172.0MB in the beginning and 216.0MB in the end (delta: 44.0MB). Free memory was 124.9MB in the beginning and 161.9MB in the end (delta: -37.1MB). Peak memory consumption was 116.9MB. Max. memory is 16.1GB. [2024-11-12 17:54:34,133 INFO L158 Benchmark]: Witness Printer took 128.78ms. Allocated memory is still 216.0MB. Free memory was 161.9MB in the beginning and 149.3MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-12 17:54:34,134 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 125.8MB. Free memory is still 87.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 302.53ms. Allocated memory is still 172.0MB. Free memory was 141.7MB in the beginning and 121.4MB in the end (delta: 20.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.19ms. Allocated memory is still 172.0MB. Free memory was 121.4MB in the beginning and 117.9MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 71.00ms. Allocated memory is still 172.0MB. Free memory was 117.9MB in the beginning and 113.0MB in the end (delta: 4.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 646.69ms. Allocated memory is still 172.0MB. Free memory was 113.0MB in the beginning and 124.9MB in the end (delta: -11.8MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. * TraceAbstraction took 4543.24ms. Allocated memory was 172.0MB in the beginning and 216.0MB in the end (delta: 44.0MB). Free memory was 124.9MB in the beginning and 161.9MB in the end (delta: -37.1MB). Peak memory consumption was 116.9MB. Max. memory is 16.1GB. * Witness Printer took 128.78ms. Allocated memory is still 216.0MB. Free memory was 161.9MB in the beginning and 149.3MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. 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: 602]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 602]: 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 7 procedures, 178 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 4.0s, OverallIterations: 5, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1640 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1548 mSDsluCounter, 4652 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3401 mSDsCounter, 67 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 366 IncrementalHoareTripleChecker+Invalid, 433 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 67 mSolverCounterUnsat, 1251 mSDtfsCounter, 366 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 683 GetRequests, 641 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=295occurred in iteration=4, InterpolantAutomatonStates: 30, 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, 5 MinimizatonAttempts, 7 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 858 NumberOfCodeBlocks, 858 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 984 ConstructedInterpolants, 0 QuantifiedInterpolants, 1678 SizeOfPredicates, 2 NumberOfNonLiveVariables, 2511 ConjunctsInSsa, 19 ConjunctsInUnsatCore, 11 InterpolantComputations, 4 PerfectInterpolantSequences, 236/322 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold - InvariantResult [Line: 578]: Loop Invariant Derived loop invariant: (((0 <= i2) && (i2 <= 2147483646)) && (((short) nomsg + 1) <= 0)) - ProcedureContractResult [Line: 173]: Procedure Contract for read_manual_selection_history Derived contract for procedure read_manual_selection_history. Requires: (((short) nomsg + 1) <= 0) Ensures: ((((short) nomsg + 1) <= 0) && (((((((((((((((((((((((((((((((((((((((((nomsg == \old(nomsg)) && (cs1 == \old(cs1))) && (cs1_old == \old(cs1_old))) && (cs1_new == \old(cs1_new))) && (cs2 == \old(cs2))) && (cs2_old == \old(cs2_old))) && (cs2_new == \old(cs2_new))) && (s1s2 == \old(s1s2))) && (s1s2_old == \old(s1s2_old))) && (s1s2_new == \old(s1s2_new))) && (s1s1 == \old(s1s1))) && (s1s1_old == \old(s1s1_old))) && (s1s1_new == \old(s1s1_new))) && (s2s1 == \old(s2s1))) && (s2s1_old == \old(s2s1_old))) && (s2s1_new == \old(s2s1_new))) && (s2s2 == \old(s2s2))) && (s2s2_old == \old(s2s2_old))) && (s2s2_new == \old(s2s2_new))) && (s1p == \old(s1p))) && (s1p_old == \old(s1p_old))) && (s1p_new == \old(s1p_new))) && (s2p == \old(s2p))) && (s2p_old == \old(s2p_old))) && (s2p_new == \old(s2p_new))) && (side1Failed == \old(side1Failed))) && (side2Failed == \old(side2Failed))) && (side1_written == \old(side1_written))) && (side2_written == \old(side2_written))) && (side1Failed_History_0 == \old(side1Failed_History_0))) && (side1Failed_History_1 == \old(side1Failed_History_1))) && (side1Failed_History_2 == \old(side1Failed_History_2))) && (side2Failed_History_0 == \old(side2Failed_History_0))) && (side2Failed_History_1 == \old(side2Failed_History_1))) && (side2Failed_History_2 == \old(side2Failed_History_2))) && (active_side_History_0 == \old(active_side_History_0))) && (active_side_History_1 == \old(active_side_History_1))) && (active_side_History_2 == \old(active_side_History_2))) && (manual_selection_History_0 == \old(manual_selection_History_0))) && (manual_selection_History_1 == \old(manual_selection_History_1))) && (manual_selection_History_2 == \old(manual_selection_History_2)))) - ProcedureContractResult [Line: 113]: Procedure Contract for read_side2_failed_history Derived contract for procedure read_side2_failed_history. Requires: (((short) nomsg + 1) <= 0) Ensures: ((((short) nomsg + 1) <= 0) && (((((((((((((((((((((((((((((((((((((((((nomsg == \old(nomsg)) && (cs1 == \old(cs1))) && (cs1_old == \old(cs1_old))) && (cs1_new == \old(cs1_new))) && (cs2 == \old(cs2))) && (cs2_old == \old(cs2_old))) && (cs2_new == \old(cs2_new))) && (s1s2 == \old(s1s2))) && (s1s2_old == \old(s1s2_old))) && (s1s2_new == \old(s1s2_new))) && (s1s1 == \old(s1s1))) && (s1s1_old == \old(s1s1_old))) && (s1s1_new == \old(s1s1_new))) && (s2s1 == \old(s2s1))) && (s2s1_old == \old(s2s1_old))) && (s2s1_new == \old(s2s1_new))) && (s2s2 == \old(s2s2))) && (s2s2_old == \old(s2s2_old))) && (s2s2_new == \old(s2s2_new))) && (s1p == \old(s1p))) && (s1p_old == \old(s1p_old))) && (s1p_new == \old(s1p_new))) && (s2p == \old(s2p))) && (s2p_old == \old(s2p_old))) && (s2p_new == \old(s2p_new))) && (side1Failed == \old(side1Failed))) && (side2Failed == \old(side2Failed))) && (side1_written == \old(side1_written))) && (side2_written == \old(side2_written))) && (side1Failed_History_0 == \old(side1Failed_History_0))) && (side1Failed_History_1 == \old(side1Failed_History_1))) && (side1Failed_History_2 == \old(side1Failed_History_2))) && (side2Failed_History_0 == \old(side2Failed_History_0))) && (side2Failed_History_1 == \old(side2Failed_History_1))) && (side2Failed_History_2 == \old(side2Failed_History_2))) && (active_side_History_0 == \old(active_side_History_0))) && (active_side_History_1 == \old(active_side_History_1))) && (active_side_History_2 == \old(active_side_History_2))) && (manual_selection_History_0 == \old(manual_selection_History_0))) && (manual_selection_History_1 == \old(manual_selection_History_1))) && (manual_selection_History_2 == \old(manual_selection_History_2)))) - ProcedureContractResult [Line: 608]: Procedure Contract for assert Derived contract for procedure assert. Requires: (((short) nomsg + 1) <= 0) Ensures: ((((short) nomsg + 1) <= 0) && (((((((((((((((((((((((((((((((((((((((((nomsg == \old(nomsg)) && (cs1 == \old(cs1))) && (cs1_old == \old(cs1_old))) && (cs1_new == \old(cs1_new))) && (cs2 == \old(cs2))) && (cs2_old == \old(cs2_old))) && (cs2_new == \old(cs2_new))) && (s1s2 == \old(s1s2))) && (s1s2_old == \old(s1s2_old))) && (s1s2_new == \old(s1s2_new))) && (s1s1 == \old(s1s1))) && (s1s1_old == \old(s1s1_old))) && (s1s1_new == \old(s1s1_new))) && (s2s1 == \old(s2s1))) && (s2s1_old == \old(s2s1_old))) && (s2s1_new == \old(s2s1_new))) && (s2s2 == \old(s2s2))) && (s2s2_old == \old(s2s2_old))) && (s2s2_new == \old(s2s2_new))) && (s1p == \old(s1p))) && (s1p_old == \old(s1p_old))) && (s1p_new == \old(s1p_new))) && (s2p == \old(s2p))) && (s2p_old == \old(s2p_old))) && (s2p_new == \old(s2p_new))) && (side1Failed == \old(side1Failed))) && (side2Failed == \old(side2Failed))) && (side1_written == \old(side1_written))) && (side2_written == \old(side2_written))) && (side1Failed_History_0 == \old(side1Failed_History_0))) && (side1Failed_History_1 == \old(side1Failed_History_1))) && (side1Failed_History_2 == \old(side1Failed_History_2))) && (side2Failed_History_0 == \old(side2Failed_History_0))) && (side2Failed_History_1 == \old(side2Failed_History_1))) && (side2Failed_History_2 == \old(side2Failed_History_2))) && (active_side_History_0 == \old(active_side_History_0))) && (active_side_History_1 == \old(active_side_History_1))) && (active_side_History_2 == \old(active_side_History_2))) && (manual_selection_History_0 == \old(manual_selection_History_0))) && (manual_selection_History_1 == \old(manual_selection_History_1))) && (manual_selection_History_2 == \old(manual_selection_History_2)))) - ProcedureContractResult [Line: 83]: Procedure Contract for read_side1_failed_history Derived contract for procedure read_side1_failed_history. Requires: (((short) nomsg + 1) <= 0) Ensures: ((((short) nomsg + 1) <= 0) && (((((((((((((((((((((((((((((((((((((((((nomsg == \old(nomsg)) && (cs1 == \old(cs1))) && (cs1_old == \old(cs1_old))) && (cs1_new == \old(cs1_new))) && (cs2 == \old(cs2))) && (cs2_old == \old(cs2_old))) && (cs2_new == \old(cs2_new))) && (s1s2 == \old(s1s2))) && (s1s2_old == \old(s1s2_old))) && (s1s2_new == \old(s1s2_new))) && (s1s1 == \old(s1s1))) && (s1s1_old == \old(s1s1_old))) && (s1s1_new == \old(s1s1_new))) && (s2s1 == \old(s2s1))) && (s2s1_old == \old(s2s1_old))) && (s2s1_new == \old(s2s1_new))) && (s2s2 == \old(s2s2))) && (s2s2_old == \old(s2s2_old))) && (s2s2_new == \old(s2s2_new))) && (s1p == \old(s1p))) && (s1p_old == \old(s1p_old))) && (s1p_new == \old(s1p_new))) && (s2p == \old(s2p))) && (s2p_old == \old(s2p_old))) && (s2p_new == \old(s2p_new))) && (side1Failed == \old(side1Failed))) && (side2Failed == \old(side2Failed))) && (side1_written == \old(side1_written))) && (side2_written == \old(side2_written))) && (side1Failed_History_0 == \old(side1Failed_History_0))) && (side1Failed_History_1 == \old(side1Failed_History_1))) && (side1Failed_History_2 == \old(side1Failed_History_2))) && (side2Failed_History_0 == \old(side2Failed_History_0))) && (side2Failed_History_1 == \old(side2Failed_History_1))) && (side2Failed_History_2 == \old(side2Failed_History_2))) && (active_side_History_0 == \old(active_side_History_0))) && (active_side_History_1 == \old(active_side_History_1))) && (active_side_History_2 == \old(active_side_History_2))) && (manual_selection_History_0 == \old(manual_selection_History_0))) && (manual_selection_History_1 == \old(manual_selection_History_1))) && (manual_selection_History_2 == \old(manual_selection_History_2)))) - ProcedureContractResult [Line: 57]: Procedure Contract for assume_abort_if_not Derived contract for procedure assume_abort_if_not. Requires: (((short) nomsg + 1) <= 0) Ensures: (((cond != 0) && (((short) nomsg + 1) <= 0)) && (((((((((((((((((((((((((((((((((((((((((nomsg == \old(nomsg)) && (cs1 == \old(cs1))) && (cs1_old == \old(cs1_old))) && (cs1_new == \old(cs1_new))) && (cs2 == \old(cs2))) && (cs2_old == \old(cs2_old))) && (cs2_new == \old(cs2_new))) && (s1s2 == \old(s1s2))) && (s1s2_old == \old(s1s2_old))) && (s1s2_new == \old(s1s2_new))) && (s1s1 == \old(s1s1))) && (s1s1_old == \old(s1s1_old))) && (s1s1_new == \old(s1s1_new))) && (s2s1 == \old(s2s1))) && (s2s1_old == \old(s2s1_old))) && (s2s1_new == \old(s2s1_new))) && (s2s2 == \old(s2s2))) && (s2s2_old == \old(s2s2_old))) && (s2s2_new == \old(s2s2_new))) && (s1p == \old(s1p))) && (s1p_old == \old(s1p_old))) && (s1p_new == \old(s1p_new))) && (s2p == \old(s2p))) && (s2p_old == \old(s2p_old))) && (s2p_new == \old(s2p_new))) && (side1Failed == \old(side1Failed))) && (side2Failed == \old(side2Failed))) && (side1_written == \old(side1_written))) && (side2_written == \old(side2_written))) && (side1Failed_History_0 == \old(side1Failed_History_0))) && (side1Failed_History_1 == \old(side1Failed_History_1))) && (side1Failed_History_2 == \old(side1Failed_History_2))) && (side2Failed_History_0 == \old(side2Failed_History_0))) && (side2Failed_History_1 == \old(side2Failed_History_1))) && (side2Failed_History_2 == \old(side2Failed_History_2))) && (active_side_History_0 == \old(active_side_History_0))) && (active_side_History_1 == \old(active_side_History_1))) && (active_side_History_2 == \old(active_side_History_2))) && (manual_selection_History_0 == \old(manual_selection_History_0))) && (manual_selection_History_1 == \old(manual_selection_History_1))) && (manual_selection_History_2 == \old(manual_selection_History_2)))) - ProcedureContractResult [Line: 143]: Procedure Contract for read_active_side_history Derived contract for procedure read_active_side_history. Requires: (((short) nomsg + 1) <= 0) Ensures: ((((short) nomsg + 1) <= 0) && (((((((((((((((((((((((((((((((((((((((((nomsg == \old(nomsg)) && (cs1 == \old(cs1))) && (cs1_old == \old(cs1_old))) && (cs1_new == \old(cs1_new))) && (cs2 == \old(cs2))) && (cs2_old == \old(cs2_old))) && (cs2_new == \old(cs2_new))) && (s1s2 == \old(s1s2))) && (s1s2_old == \old(s1s2_old))) && (s1s2_new == \old(s1s2_new))) && (s1s1 == \old(s1s1))) && (s1s1_old == \old(s1s1_old))) && (s1s1_new == \old(s1s1_new))) && (s2s1 == \old(s2s1))) && (s2s1_old == \old(s2s1_old))) && (s2s1_new == \old(s2s1_new))) && (s2s2 == \old(s2s2))) && (s2s2_old == \old(s2s2_old))) && (s2s2_new == \old(s2s2_new))) && (s1p == \old(s1p))) && (s1p_old == \old(s1p_old))) && (s1p_new == \old(s1p_new))) && (s2p == \old(s2p))) && (s2p_old == \old(s2p_old))) && (s2p_new == \old(s2p_new))) && (side1Failed == \old(side1Failed))) && (side2Failed == \old(side2Failed))) && (side1_written == \old(side1_written))) && (side2_written == \old(side2_written))) && (side1Failed_History_0 == \old(side1Failed_History_0))) && (side1Failed_History_1 == \old(side1Failed_History_1))) && (side1Failed_History_2 == \old(side1Failed_History_2))) && (side2Failed_History_0 == \old(side2Failed_History_0))) && (side2Failed_History_1 == \old(side2Failed_History_1))) && (side2Failed_History_2 == \old(side2Failed_History_2))) && (active_side_History_0 == \old(active_side_History_0))) && (active_side_History_1 == \old(active_side_History_1))) && (active_side_History_2 == \old(active_side_History_2))) && (manual_selection_History_0 == \old(manual_selection_History_0))) && (manual_selection_History_1 == \old(manual_selection_History_1))) && (manual_selection_History_2 == \old(manual_selection_History_2)))) RESULT: Ultimate proved your program to be correct! [2024-11-12 17:54:34,159 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE