./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/no-overflow.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/hard-u_unwindbound5.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 84cfde4a Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/hard-u_unwindbound5.c -s /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-clean/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 082e5acb2a505af9e43ec1a894890509a127a32d8ecd4c5193a456bddcb0f4a3 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-84cfde4 [2024-10-11 20:56:52,458 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-11 20:56:52,524 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-10-11 20:56:52,531 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-11 20:56:52,531 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-11 20:56:52,560 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-11 20:56:52,560 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-11 20:56:52,561 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-11 20:56:52,561 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-11 20:56:52,561 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-11 20:56:52,561 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-11 20:56:52,562 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-11 20:56:52,562 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-11 20:56:52,566 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-11 20:56:52,567 INFO L153 SettingsManager]: * Use SBE=true [2024-10-11 20:56:52,567 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-11 20:56:52,567 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-11 20:56:52,567 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-11 20:56:52,567 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-11 20:56:52,568 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-11 20:56:52,568 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-11 20:56:52,571 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-11 20:56:52,571 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-11 20:56:52,572 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-11 20:56:52,572 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-11 20:56:52,572 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-11 20:56:52,572 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-11 20:56:52,572 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-11 20:56:52,572 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-11 20:56:52,572 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-11 20:56:52,573 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-11 20:56:52,573 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-11 20:56:52,573 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-11 20:56:52,573 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-11 20:56:52,573 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 20:56:52,573 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-11 20:56:52,574 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-11 20:56:52,574 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-11 20:56:52,574 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-11 20:56:52,574 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-11 20:56:52,574 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-11 20:56:52,578 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-11 20:56:52,578 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-11 20:56:52,578 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-11 20:56:52,579 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-clean/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 082e5acb2a505af9e43ec1a894890509a127a32d8ecd4c5193a456bddcb0f4a3 [2024-10-11 20:56:52,819 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-11 20:56:52,836 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-11 20:56:52,838 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-11 20:56:52,839 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-11 20:56:52,839 INFO L274 PluginConnector]: CDTParser initialized [2024-10-11 20:56:52,840 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/hard-u_unwindbound5.c [2024-10-11 20:56:54,175 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-11 20:56:54,330 INFO L384 CDTParser]: Found 1 translation units. [2024-10-11 20:56:54,330 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/hard-u_unwindbound5.c [2024-10-11 20:56:54,340 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/f4bfae9d8/d37c6ad17525492ea0628f99c38fafe7/FLAG95de1709f [2024-10-11 20:56:54,354 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/f4bfae9d8/d37c6ad17525492ea0628f99c38fafe7 [2024-10-11 20:56:54,356 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-11 20:56:54,358 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-11 20:56:54,359 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-11 20:56:54,359 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-11 20:56:54,363 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-11 20:56:54,364 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 08:56:54" (1/1) ... [2024-10-11 20:56:54,366 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8df2219 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:56:54, skipping insertion in model container [2024-10-11 20:56:54,366 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 08:56:54" (1/1) ... [2024-10-11 20:56:54,389 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-11 20:56:54,589 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 20:56:54,597 INFO L200 MainTranslator]: Completed pre-run [2024-10-11 20:56:54,613 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 20:56:54,626 INFO L204 MainTranslator]: Completed translation [2024-10-11 20:56:54,627 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:56:54 WrapperNode [2024-10-11 20:56:54,627 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-11 20:56:54,628 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-11 20:56:54,628 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-11 20:56:54,628 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-11 20:56:54,634 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:56:54" (1/1) ... [2024-10-11 20:56:54,640 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:56:54" (1/1) ... [2024-10-11 20:56:54,676 INFO L138 Inliner]: procedures = 14, calls = 16, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 76 [2024-10-11 20:56:54,676 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-11 20:56:54,678 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-11 20:56:54,679 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-11 20:56:54,679 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-11 20:56:54,688 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:56:54" (1/1) ... [2024-10-11 20:56:54,688 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:56:54" (1/1) ... [2024-10-11 20:56:54,689 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:56:54" (1/1) ... [2024-10-11 20:56:54,704 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-10-11 20:56:54,704 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:56:54" (1/1) ... [2024-10-11 20:56:54,704 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:56:54" (1/1) ... [2024-10-11 20:56:54,706 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:56:54" (1/1) ... [2024-10-11 20:56:54,710 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:56:54" (1/1) ... [2024-10-11 20:56:54,711 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:56:54" (1/1) ... [2024-10-11 20:56:54,711 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:56:54" (1/1) ... [2024-10-11 20:56:54,712 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-11 20:56:54,713 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-11 20:56:54,713 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-11 20:56:54,713 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-11 20:56:54,714 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:56:54" (1/1) ... [2024-10-11 20:56:54,718 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 20:56:54,730 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:56:54,744 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-11 20:56:54,749 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-11 20:56:54,792 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-11 20:56:54,793 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-11 20:56:54,793 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-11 20:56:54,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-11 20:56:54,793 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-10-11 20:56:54,793 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-10-11 20:56:54,839 INFO L238 CfgBuilder]: Building ICFG [2024-10-11 20:56:54,840 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-11 20:56:55,021 INFO L? ?]: Removed 11 outVars from TransFormulas that were not future-live. [2024-10-11 20:56:55,021 INFO L287 CfgBuilder]: Performing block encoding [2024-10-11 20:56:55,043 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-11 20:56:55,044 INFO L314 CfgBuilder]: Removed 2 assume(true) statements. [2024-10-11 20:56:55,044 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 08:56:55 BoogieIcfgContainer [2024-10-11 20:56:55,044 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-11 20:56:55,046 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-11 20:56:55,046 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-11 20:56:55,050 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-11 20:56:55,050 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 08:56:54" (1/3) ... [2024-10-11 20:56:55,050 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7feba87c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 08:56:55, skipping insertion in model container [2024-10-11 20:56:55,051 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:56:54" (2/3) ... [2024-10-11 20:56:55,051 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7feba87c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 08:56:55, skipping insertion in model container [2024-10-11 20:56:55,051 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 08:56:55" (3/3) ... [2024-10-11 20:56:55,052 INFO L112 eAbstractionObserver]: Analyzing ICFG hard-u_unwindbound5.c [2024-10-11 20:56:55,067 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-11 20:56:55,067 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2024-10-11 20:56:55,115 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-11 20:56:55,121 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;@526f7407, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-11 20:56:55,121 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-10-11 20:56:55,125 INFO L276 IsEmpty]: Start isEmpty. Operand has 31 states, 18 states have (on average 1.7222222222222223) internal successors, (31), 22 states have internal predecessors, (31), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-10-11 20:56:55,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-10-11 20:56:55,133 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:56:55,133 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-10-11 20:56:55,135 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-10-11 20:56:55,141 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:56:55,141 INFO L85 PathProgramCache]: Analyzing trace with hash 118368741, now seen corresponding path program 1 times [2024-10-11 20:56:55,149 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:56:55,150 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1975490520] [2024-10-11 20:56:55,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:56:55,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:56:55,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:56:55,288 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 20:56:55,289 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:56:55,289 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1975490520] [2024-10-11 20:56:55,290 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1975490520] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:56:55,290 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:56:55,290 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 20:56:55,291 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1648292517] [2024-10-11 20:56:55,292 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:56:55,295 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-11 20:56:55,295 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:56:55,313 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-11 20:56:55,313 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-11 20:56:55,315 INFO L87 Difference]: Start difference. First operand has 31 states, 18 states have (on average 1.7222222222222223) internal successors, (31), 22 states have internal predecessors, (31), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) Second operand has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 20:56:55,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:56:55,340 INFO L93 Difference]: Finished difference Result 60 states and 94 transitions. [2024-10-11 20:56:55,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-11 20:56:55,342 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 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) Word has length 5 [2024-10-11 20:56:55,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:56:55,346 INFO L225 Difference]: With dead ends: 60 [2024-10-11 20:56:55,347 INFO L226 Difference]: Without dead ends: 27 [2024-10-11 20:56:55,349 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-11 20:56:55,353 INFO L432 NwaCegarLoop]: 39 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 39 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 20:56:55,353 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 39 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 20:56:55,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2024-10-11 20:56:55,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2024-10-11 20:56:55,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 17 states have (on average 1.411764705882353) internal successors, (24), 20 states have internal predecessors, (24), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-10-11 20:56:55,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 34 transitions. [2024-10-11 20:56:55,384 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 34 transitions. Word has length 5 [2024-10-11 20:56:55,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:56:55,384 INFO L471 AbstractCegarLoop]: Abstraction has 27 states and 34 transitions. [2024-10-11 20:56:55,384 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 20:56:55,387 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 34 transitions. [2024-10-11 20:56:55,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-10-11 20:56:55,387 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:56:55,387 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-10-11 20:56:55,387 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-11 20:56:55,388 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-10-11 20:56:55,388 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:56:55,388 INFO L85 PathProgramCache]: Analyzing trace with hash 118428323, now seen corresponding path program 1 times [2024-10-11 20:56:55,388 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:56:55,389 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1904822042] [2024-10-11 20:56:55,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:56:55,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:56:55,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:56:55,480 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 20:56:55,480 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:56:55,480 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1904822042] [2024-10-11 20:56:55,480 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1904822042] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:56:55,481 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:56:55,481 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 20:56:55,481 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1733109676] [2024-10-11 20:56:55,481 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:56:55,482 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 20:56:55,482 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:56:55,485 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 20:56:55,485 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 20:56:55,485 INFO L87 Difference]: Start difference. First operand 27 states and 34 transitions. Second operand has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 20:56:55,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:56:55,548 INFO L93 Difference]: Finished difference Result 47 states and 57 transitions. [2024-10-11 20:56:55,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 20:56:55,549 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 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) Word has length 5 [2024-10-11 20:56:55,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:56:55,549 INFO L225 Difference]: With dead ends: 47 [2024-10-11 20:56:55,550 INFO L226 Difference]: Without dead ends: 31 [2024-10-11 20:56:55,551 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-11 20:56:55,552 INFO L432 NwaCegarLoop]: 29 mSDtfsCounter, 4 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 81 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 20:56:55,553 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 81 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 20:56:55,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2024-10-11 20:56:55,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2024-10-11 20:56:55,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 21 states have (on average 1.3333333333333333) internal successors, (28), 24 states have internal predecessors, (28), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-10-11 20:56:55,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 38 transitions. [2024-10-11 20:56:55,560 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 38 transitions. Word has length 5 [2024-10-11 20:56:55,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:56:55,561 INFO L471 AbstractCegarLoop]: Abstraction has 31 states and 38 transitions. [2024-10-11 20:56:55,561 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 20:56:55,561 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 38 transitions. [2024-10-11 20:56:55,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-10-11 20:56:55,562 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:56:55,562 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:56:55,563 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-11 20:56:55,563 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-10-11 20:56:55,563 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:56:55,563 INFO L85 PathProgramCache]: Analyzing trace with hash -1994096058, now seen corresponding path program 1 times [2024-10-11 20:56:55,564 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:56:55,564 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [585281603] [2024-10-11 20:56:55,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:56:55,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:56:55,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:56:55,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 20:56:55,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:56:55,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-11 20:56:55,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:56:55,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-11 20:56:55,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:56:55,770 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-11 20:56:55,770 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:56:55,770 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [585281603] [2024-10-11 20:56:55,770 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [585281603] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:56:55,771 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:56:55,771 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-11 20:56:55,771 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1658542127] [2024-10-11 20:56:55,771 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:56:55,772 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-11 20:56:55,772 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:56:55,773 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-11 20:56:55,773 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-10-11 20:56:55,774 INFO L87 Difference]: Start difference. First operand 31 states and 38 transitions. Second operand has 7 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 7 states have internal predecessors, (13), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-10-11 20:56:55,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:56:55,891 INFO L93 Difference]: Finished difference Result 54 states and 67 transitions. [2024-10-11 20:56:55,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-11 20:56:55,892 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 7 states have internal predecessors, (13), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 25 [2024-10-11 20:56:55,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:56:55,894 INFO L225 Difference]: With dead ends: 54 [2024-10-11 20:56:55,894 INFO L226 Difference]: Without dead ends: 53 [2024-10-11 20:56:55,894 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-10-11 20:56:55,896 INFO L432 NwaCegarLoop]: 26 mSDtfsCounter, 26 mSDsluCounter, 87 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 113 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 20:56:55,896 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 113 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 20:56:55,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2024-10-11 20:56:55,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 47. [2024-10-11 20:56:55,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 31 states have (on average 1.3225806451612903) internal successors, (41), 34 states have internal predecessors, (41), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-10-11 20:56:55,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 61 transitions. [2024-10-11 20:56:55,905 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 61 transitions. Word has length 25 [2024-10-11 20:56:55,906 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:56:55,906 INFO L471 AbstractCegarLoop]: Abstraction has 47 states and 61 transitions. [2024-10-11 20:56:55,906 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 7 states have internal predecessors, (13), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-10-11 20:56:55,906 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 61 transitions. [2024-10-11 20:56:55,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-10-11 20:56:55,907 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:56:55,907 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:56:55,907 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-11 20:56:55,908 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-10-11 20:56:55,908 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:56:55,908 INFO L85 PathProgramCache]: Analyzing trace with hash -1994094904, now seen corresponding path program 1 times [2024-10-11 20:56:55,909 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:56:55,909 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [284625334] [2024-10-11 20:56:55,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:56:55,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:56:55,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:56:56,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 20:56:56,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:56:56,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-11 20:56:56,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:56:56,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-11 20:56:56,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:56:56,033 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-11 20:56:56,034 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:56:56,034 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [284625334] [2024-10-11 20:56:56,034 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [284625334] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:56:56,034 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1125167309] [2024-10-11 20:56:56,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:56:56,035 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:56:56,035 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:56:56,038 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:56:56,047 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-11 20:56:56,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:56:56,093 INFO L255 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-11 20:56:56,097 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:56:56,166 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-11 20:56:56,166 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 20:56:56,167 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1125167309] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:56:56,167 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:56:56,167 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 8 [2024-10-11 20:56:56,168 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [648851116] [2024-10-11 20:56:56,168 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:56:56,168 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-11 20:56:56,168 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:56:56,169 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-11 20:56:56,169 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2024-10-11 20:56:56,169 INFO L87 Difference]: Start difference. First operand 47 states and 61 transitions. Second operand has 6 states, 5 states have (on average 2.6) internal successors, (13), 5 states have internal predecessors, (13), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-10-11 20:56:56,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:56:56,234 INFO L93 Difference]: Finished difference Result 63 states and 76 transitions. [2024-10-11 20:56:56,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-11 20:56:56,234 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.6) internal successors, (13), 5 states have internal predecessors, (13), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 25 [2024-10-11 20:56:56,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:56:56,235 INFO L225 Difference]: With dead ends: 63 [2024-10-11 20:56:56,235 INFO L226 Difference]: Without dead ends: 62 [2024-10-11 20:56:56,236 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2024-10-11 20:56:56,236 INFO L432 NwaCegarLoop]: 25 mSDtfsCounter, 14 mSDsluCounter, 55 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 80 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 20:56:56,236 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 80 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 20:56:56,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2024-10-11 20:56:56,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 54. [2024-10-11 20:56:56,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 37 states have (on average 1.2432432432432432) internal successors, (46), 39 states have internal predecessors, (46), 10 states have call successors, (10), 4 states have call predecessors, (10), 4 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-10-11 20:56:56,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 66 transitions. [2024-10-11 20:56:56,256 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 66 transitions. Word has length 25 [2024-10-11 20:56:56,256 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:56:56,257 INFO L471 AbstractCegarLoop]: Abstraction has 54 states and 66 transitions. [2024-10-11 20:56:56,257 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.6) internal successors, (13), 5 states have internal predecessors, (13), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-10-11 20:56:56,257 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 66 transitions. [2024-10-11 20:56:56,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-10-11 20:56:56,258 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:56:56,258 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:56:56,274 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-10-11 20:56:56,459 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:56:56,460 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-10-11 20:56:56,460 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:56:56,460 INFO L85 PathProgramCache]: Analyzing trace with hash -1687435582, now seen corresponding path program 1 times [2024-10-11 20:56:56,461 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:56:56,462 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1733047988] [2024-10-11 20:56:56,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:56:56,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:56:56,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:56:56,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 20:56:56,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:56:56,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-11 20:56:56,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:56:56,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-11 20:56:56,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:56:56,594 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-11 20:56:56,594 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:56:56,594 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1733047988] [2024-10-11 20:56:56,594 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1733047988] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:56:56,594 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:56:56,594 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-11 20:56:56,594 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1911228337] [2024-10-11 20:56:56,594 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:56:56,598 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-11 20:56:56,598 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:56:56,599 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-11 20:56:56,599 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-10-11 20:56:56,599 INFO L87 Difference]: Start difference. First operand 54 states and 66 transitions. Second operand has 7 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 7 states have internal predecessors, (14), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-10-11 20:56:56,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:56:56,677 INFO L93 Difference]: Finished difference Result 63 states and 75 transitions. [2024-10-11 20:56:56,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-11 20:56:56,678 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 7 states have internal predecessors, (14), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 26 [2024-10-11 20:56:56,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:56:56,679 INFO L225 Difference]: With dead ends: 63 [2024-10-11 20:56:56,679 INFO L226 Difference]: Without dead ends: 62 [2024-10-11 20:56:56,679 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-10-11 20:56:56,680 INFO L432 NwaCegarLoop]: 24 mSDtfsCounter, 16 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 110 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 20:56:56,680 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 110 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 20:56:56,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2024-10-11 20:56:56,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 57. [2024-10-11 20:56:56,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 40 states have (on average 1.225) internal successors, (49), 42 states have internal predecessors, (49), 10 states have call successors, (10), 4 states have call predecessors, (10), 4 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-10-11 20:56:56,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 69 transitions. [2024-10-11 20:56:56,692 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 69 transitions. Word has length 26 [2024-10-11 20:56:56,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:56:56,692 INFO L471 AbstractCegarLoop]: Abstraction has 57 states and 69 transitions. [2024-10-11 20:56:56,692 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 7 states have internal predecessors, (14), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-10-11 20:56:56,692 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 69 transitions. [2024-10-11 20:56:56,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-10-11 20:56:56,694 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:56:56,694 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:56:56,694 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-11 20:56:56,694 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-10-11 20:56:56,694 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:56:56,695 INFO L85 PathProgramCache]: Analyzing trace with hash -1687399832, now seen corresponding path program 1 times [2024-10-11 20:56:56,695 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:56:56,695 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1847566076] [2024-10-11 20:56:56,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:56:56,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:56:56,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:56:56,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 20:56:56,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:56:56,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-11 20:56:56,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:56:56,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-11 20:56:56,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:56:56,761 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-11 20:56:56,761 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:56:56,761 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1847566076] [2024-10-11 20:56:56,761 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1847566076] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:56:56,761 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [48469910] [2024-10-11 20:56:56,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:56:56,762 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:56:56,762 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:56:56,763 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:56:56,767 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-11 20:56:56,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:56:56,800 INFO L255 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-11 20:56:56,801 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:56:56,841 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-11 20:56:56,842 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:56:56,890 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-11 20:56:56,891 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [48469910] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 20:56:56,891 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 20:56:56,891 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 4, 5] total 12 [2024-10-11 20:56:56,891 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1946275621] [2024-10-11 20:56:56,891 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 20:56:56,891 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-10-11 20:56:56,892 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:56:56,892 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-10-11 20:56:56,892 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2024-10-11 20:56:56,892 INFO L87 Difference]: Start difference. First operand 57 states and 69 transitions. Second operand has 13 states, 12 states have (on average 2.9166666666666665) internal successors, (35), 13 states have internal predecessors, (35), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-10-11 20:56:57,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:56:57,003 INFO L93 Difference]: Finished difference Result 109 states and 133 transitions. [2024-10-11 20:56:57,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-11 20:56:57,003 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 2.9166666666666665) internal successors, (35), 13 states have internal predecessors, (35), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 26 [2024-10-11 20:56:57,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:56:57,004 INFO L225 Difference]: With dead ends: 109 [2024-10-11 20:56:57,004 INFO L226 Difference]: Without dead ends: 94 [2024-10-11 20:56:57,004 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=114, Invalid=228, Unknown=0, NotChecked=0, Total=342 [2024-10-11 20:56:57,005 INFO L432 NwaCegarLoop]: 27 mSDtfsCounter, 66 mSDsluCounter, 134 mSDsCounter, 0 mSdLazyCounter, 85 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 161 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 85 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 20:56:57,005 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 161 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 85 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 20:56:57,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2024-10-11 20:56:57,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 84. [2024-10-11 20:56:57,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 59 states have (on average 1.2033898305084745) internal successors, (71), 61 states have internal predecessors, (71), 16 states have call successors, (16), 6 states have call predecessors, (16), 6 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-10-11 20:56:57,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 103 transitions. [2024-10-11 20:56:57,013 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 103 transitions. Word has length 26 [2024-10-11 20:56:57,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:56:57,013 INFO L471 AbstractCegarLoop]: Abstraction has 84 states and 103 transitions. [2024-10-11 20:56:57,013 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 2.9166666666666665) internal successors, (35), 13 states have internal predecessors, (35), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-10-11 20:56:57,013 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 103 transitions. [2024-10-11 20:56:57,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-10-11 20:56:57,014 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:56:57,014 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 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] [2024-10-11 20:56:57,027 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-10-11 20:56:57,218 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,3 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:56:57,219 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-10-11 20:56:57,219 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:56:57,219 INFO L85 PathProgramCache]: Analyzing trace with hash -339875692, now seen corresponding path program 1 times [2024-10-11 20:56:57,220 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:56:57,220 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1908396779] [2024-10-11 20:56:57,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:56:57,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:56:57,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:56:57,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 20:56:57,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:56:57,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-11 20:56:57,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:56:57,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-11 20:56:57,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:56:57,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-11 20:56:57,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:56:57,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-11 20:56:57,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:56:57,371 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-10-11 20:56:57,372 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:56:57,372 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1908396779] [2024-10-11 20:56:57,373 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1908396779] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:56:57,373 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [883286529] [2024-10-11 20:56:57,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:56:57,373 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:56:57,373 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:56:57,374 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:56:57,380 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-11 20:56:57,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:56:57,435 INFO L255 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-11 20:56:57,437 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:56:57,500 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-10-11 20:56:57,500 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:56:57,586 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-10-11 20:56:57,587 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [883286529] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 20:56:57,587 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 20:56:57,587 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 6, 7] total 16 [2024-10-11 20:56:57,587 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [643830457] [2024-10-11 20:56:57,587 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 20:56:57,587 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-10-11 20:56:57,588 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:56:57,588 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-10-11 20:56:57,588 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=203, Unknown=0, NotChecked=0, Total=272 [2024-10-11 20:56:57,588 INFO L87 Difference]: Start difference. First operand 84 states and 103 transitions. Second operand has 17 states, 16 states have (on average 3.125) internal successors, (50), 17 states have internal predecessors, (50), 4 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (15), 4 states have call predecessors, (15), 4 states have call successors, (15) [2024-10-11 20:56:57,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:56:57,772 INFO L93 Difference]: Finished difference Result 138 states and 169 transitions. [2024-10-11 20:56:57,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-10-11 20:56:57,773 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 3.125) internal successors, (50), 17 states have internal predecessors, (50), 4 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (15), 4 states have call predecessors, (15), 4 states have call successors, (15) Word has length 42 [2024-10-11 20:56:57,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:56:57,774 INFO L225 Difference]: With dead ends: 138 [2024-10-11 20:56:57,774 INFO L226 Difference]: Without dead ends: 137 [2024-10-11 20:56:57,774 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 148 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=188, Invalid=568, Unknown=0, NotChecked=0, Total=756 [2024-10-11 20:56:57,775 INFO L432 NwaCegarLoop]: 23 mSDtfsCounter, 55 mSDsluCounter, 178 mSDsCounter, 0 mSdLazyCounter, 157 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 201 SdHoareTripleChecker+Invalid, 160 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 157 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 20:56:57,775 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [55 Valid, 201 Invalid, 160 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 157 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 20:56:57,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2024-10-11 20:56:57,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 135. [2024-10-11 20:56:57,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 135 states, 98 states have (on average 1.183673469387755) internal successors, (116), 100 states have internal predecessors, (116), 24 states have call successors, (24), 10 states have call predecessors, (24), 10 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-10-11 20:56:57,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 164 transitions. [2024-10-11 20:56:57,798 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 164 transitions. Word has length 42 [2024-10-11 20:56:57,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:56:57,798 INFO L471 AbstractCegarLoop]: Abstraction has 135 states and 164 transitions. [2024-10-11 20:56:57,798 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 3.125) internal successors, (50), 17 states have internal predecessors, (50), 4 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (15), 4 states have call predecessors, (15), 4 states have call successors, (15) [2024-10-11 20:56:57,798 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 164 transitions. [2024-10-11 20:56:57,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-10-11 20:56:57,800 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:56:57,800 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:56:57,812 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-10-11 20:56:58,003 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:56:58,004 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-10-11 20:56:58,004 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:56:58,004 INFO L85 PathProgramCache]: Analyzing trace with hash 1343451627, now seen corresponding path program 1 times [2024-10-11 20:56:58,004 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:56:58,004 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1191007707] [2024-10-11 20:56:58,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:56:58,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:56:58,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:56:58,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 20:56:58,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:56:58,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-11 20:56:58,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:56:58,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-11 20:56:58,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:56:58,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-11 20:56:58,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:56:58,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-11 20:56:58,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:56:58,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-11 20:56:58,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:56:58,092 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-10-11 20:56:58,092 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:56:58,092 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1191007707] [2024-10-11 20:56:58,092 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1191007707] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:56:58,092 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2010831647] [2024-10-11 20:56:58,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:56:58,093 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:56:58,093 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:56:58,094 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:56:58,095 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-11 20:56:58,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:56:58,135 INFO L255 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-11 20:56:58,136 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:56:58,197 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-10-11 20:56:58,197 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 20:56:58,197 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2010831647] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:56:58,198 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:56:58,198 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [8] total 10 [2024-10-11 20:56:58,198 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1049428350] [2024-10-11 20:56:58,198 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:56:58,199 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-11 20:56:58,199 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:56:58,199 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-11 20:56:58,199 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2024-10-11 20:56:58,199 INFO L87 Difference]: Start difference. First operand 135 states and 164 transitions. Second operand has 8 states, 7 states have (on average 3.0) internal successors, (21), 7 states have internal predecessors, (21), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-10-11 20:56:58,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:56:58,288 INFO L93 Difference]: Finished difference Result 136 states and 164 transitions. [2024-10-11 20:56:58,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-11 20:56:58,288 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 3.0) internal successors, (21), 7 states have internal predecessors, (21), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 45 [2024-10-11 20:56:58,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:56:58,289 INFO L225 Difference]: With dead ends: 136 [2024-10-11 20:56:58,289 INFO L226 Difference]: Without dead ends: 135 [2024-10-11 20:56:58,290 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=65, Invalid=175, Unknown=0, NotChecked=0, Total=240 [2024-10-11 20:56:58,290 INFO L432 NwaCegarLoop]: 41 mSDtfsCounter, 44 mSDsluCounter, 141 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 182 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 20:56:58,290 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 182 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 20:56:58,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2024-10-11 20:56:58,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 107. [2024-10-11 20:56:58,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107 states, 77 states have (on average 1.155844155844156) internal successors, (89), 78 states have internal predecessors, (89), 20 states have call successors, (20), 8 states have call predecessors, (20), 8 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-10-11 20:56:58,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 129 transitions. [2024-10-11 20:56:58,307 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 129 transitions. Word has length 45 [2024-10-11 20:56:58,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:56:58,309 INFO L471 AbstractCegarLoop]: Abstraction has 107 states and 129 transitions. [2024-10-11 20:56:58,309 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 3.0) internal successors, (21), 7 states have internal predecessors, (21), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-10-11 20:56:58,309 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 129 transitions. [2024-10-11 20:56:58,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-10-11 20:56:58,310 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:56:58,310 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:56:58,323 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-10-11 20:56:58,510 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2024-10-11 20:56:58,511 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-10-11 20:56:58,511 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:56:58,511 INFO L85 PathProgramCache]: Analyzing trace with hash -597482282, now seen corresponding path program 1 times [2024-10-11 20:56:58,511 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:56:58,512 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1290113144] [2024-10-11 20:56:58,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:56:58,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:56:58,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:56:58,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 20:56:58,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:56:58,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-11 20:56:58,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:56:58,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-11 20:56:58,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:56:58,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-11 20:56:58,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:56:58,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-11 20:56:58,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:56:58,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-11 20:56:58,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:56:58,592 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-10-11 20:56:58,592 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:56:58,592 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1290113144] [2024-10-11 20:56:58,592 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1290113144] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:56:58,593 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [295899560] [2024-10-11 20:56:58,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:56:58,593 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:56:58,593 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:56:58,594 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:56:58,598 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-10-11 20:56:58,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:56:58,638 INFO L255 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-11 20:56:58,639 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:56:58,737 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-10-11 20:56:58,738 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:56:58,845 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-10-11 20:56:58,846 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [295899560] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 20:56:58,846 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 20:56:58,846 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 7, 8] total 15 [2024-10-11 20:56:58,846 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [7111412] [2024-10-11 20:56:58,846 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 20:56:58,847 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-10-11 20:56:58,847 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:56:58,848 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-10-11 20:56:58,848 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=143, Unknown=0, NotChecked=0, Total=210 [2024-10-11 20:56:58,848 INFO L87 Difference]: Start difference. First operand 107 states and 129 transitions. Second operand has 15 states, 15 states have (on average 3.4) internal successors, (51), 15 states have internal predecessors, (51), 4 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (18), 4 states have call predecessors, (18), 4 states have call successors, (18) [2024-10-11 20:56:59,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:56:59,021 INFO L93 Difference]: Finished difference Result 145 states and 174 transitions. [2024-10-11 20:56:59,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-10-11 20:56:59,022 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 3.4) internal successors, (51), 15 states have internal predecessors, (51), 4 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (18), 4 states have call predecessors, (18), 4 states have call successors, (18) Word has length 50 [2024-10-11 20:56:59,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:56:59,023 INFO L225 Difference]: With dead ends: 145 [2024-10-11 20:56:59,023 INFO L226 Difference]: Without dead ends: 131 [2024-10-11 20:56:59,023 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 103 SyntacticMatches, 2 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 135 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=166, Invalid=340, Unknown=0, NotChecked=0, Total=506 [2024-10-11 20:56:59,024 INFO L432 NwaCegarLoop]: 27 mSDtfsCounter, 46 mSDsluCounter, 137 mSDsCounter, 0 mSdLazyCounter, 95 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 164 SdHoareTripleChecker+Invalid, 97 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 95 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 20:56:59,024 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 164 Invalid, 97 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 95 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 20:56:59,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2024-10-11 20:56:59,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 120. [2024-10-11 20:56:59,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120 states, 86 states have (on average 1.1395348837209303) internal successors, (98), 87 states have internal predecessors, (98), 23 states have call successors, (23), 9 states have call predecessors, (23), 9 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-10-11 20:56:59,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 144 transitions. [2024-10-11 20:56:59,031 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 144 transitions. Word has length 50 [2024-10-11 20:56:59,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:56:59,032 INFO L471 AbstractCegarLoop]: Abstraction has 120 states and 144 transitions. [2024-10-11 20:56:59,032 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 3.4) internal successors, (51), 15 states have internal predecessors, (51), 4 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (18), 4 states have call predecessors, (18), 4 states have call successors, (18) [2024-10-11 20:56:59,032 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 144 transitions. [2024-10-11 20:56:59,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-10-11 20:56:59,033 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:56:59,033 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:56:59,047 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-10-11 20:56:59,233 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:56:59,234 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-10-11 20:56:59,235 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:56:59,235 INFO L85 PathProgramCache]: Analyzing trace with hash -1181186760, now seen corresponding path program 1 times [2024-10-11 20:56:59,235 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:56:59,235 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [418248259] [2024-10-11 20:56:59,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:56:59,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:56:59,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:56:59,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 20:56:59,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:56:59,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-11 20:56:59,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:56:59,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-11 20:56:59,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:56:59,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-11 20:56:59,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:56:59,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-11 20:56:59,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:56:59,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-11 20:56:59,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:56:59,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-11 20:56:59,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:56:59,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-10-11 20:56:59,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:56:59,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 20:56:59,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:56:59,497 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-10-11 20:56:59,497 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:56:59,498 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [418248259] [2024-10-11 20:56:59,498 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [418248259] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:56:59,498 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [578613365] [2024-10-11 20:56:59,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:56:59,498 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:56:59,498 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:56:59,499 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:56:59,501 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-10-11 20:56:59,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:56:59,539 INFO L255 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-10-11 20:56:59,540 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:56:59,615 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 0 proven. 132 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-10-11 20:56:59,615 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:56:59,727 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-10-11 20:56:59,727 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [578613365] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 20:56:59,727 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 20:56:59,727 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 8, 9] total 20 [2024-10-11 20:56:59,727 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1955354326] [2024-10-11 20:56:59,727 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 20:56:59,728 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2024-10-11 20:56:59,728 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:56:59,728 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2024-10-11 20:56:59,729 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=111, Invalid=309, Unknown=0, NotChecked=0, Total=420 [2024-10-11 20:56:59,729 INFO L87 Difference]: Start difference. First operand 120 states and 144 transitions. Second operand has 21 states, 20 states have (on average 3.05) internal successors, (61), 21 states have internal predecessors, (61), 6 states have call successors, (27), 4 states have call predecessors, (27), 4 states have return successors, (27), 6 states have call predecessors, (27), 6 states have call successors, (27) [2024-10-11 20:57:00,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:57:00,091 INFO L93 Difference]: Finished difference Result 185 states and 224 transitions. [2024-10-11 20:57:00,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-10-11 20:57:00,091 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 3.05) internal successors, (61), 21 states have internal predecessors, (61), 6 states have call successors, (27), 4 states have call predecessors, (27), 4 states have return successors, (27), 6 states have call predecessors, (27), 6 states have call successors, (27) Word has length 66 [2024-10-11 20:57:00,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:57:00,092 INFO L225 Difference]: With dead ends: 185 [2024-10-11 20:57:00,092 INFO L226 Difference]: Without dead ends: 183 [2024-10-11 20:57:00,093 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 176 GetRequests, 138 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 386 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=373, Invalid=1187, Unknown=0, NotChecked=0, Total=1560 [2024-10-11 20:57:00,094 INFO L432 NwaCegarLoop]: 22 mSDtfsCounter, 89 mSDsluCounter, 201 mSDsCounter, 0 mSdLazyCounter, 187 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 223 SdHoareTripleChecker+Invalid, 193 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 187 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-11 20:57:00,094 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [89 Valid, 223 Invalid, 193 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 187 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 20:57:00,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183 states. [2024-10-11 20:57:00,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183 to 140. [2024-10-11 20:57:00,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 140 states, 98 states have (on average 1.153061224489796) internal successors, (113), 99 states have internal predecessors, (113), 29 states have call successors, (29), 11 states have call predecessors, (29), 11 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) [2024-10-11 20:57:00,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 171 transitions. [2024-10-11 20:57:00,114 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 171 transitions. Word has length 66 [2024-10-11 20:57:00,114 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:57:00,115 INFO L471 AbstractCegarLoop]: Abstraction has 140 states and 171 transitions. [2024-10-11 20:57:00,115 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 3.05) internal successors, (61), 21 states have internal predecessors, (61), 6 states have call successors, (27), 4 states have call predecessors, (27), 4 states have return successors, (27), 6 states have call predecessors, (27), 6 states have call successors, (27) [2024-10-11 20:57:00,115 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 171 transitions. [2024-10-11 20:57:00,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-10-11 20:57:00,116 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:57:00,116 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2024-10-11 20:57:00,142 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-10-11 20:57:00,316 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-10-11 20:57:00,317 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-10-11 20:57:00,317 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:57:00,317 INFO L85 PathProgramCache]: Analyzing trace with hash -982876319, now seen corresponding path program 1 times [2024-10-11 20:57:00,317 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:57:00,317 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1343172463] [2024-10-11 20:57:00,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:57:00,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:57:00,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:00,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 20:57:00,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:00,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-11 20:57:00,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:00,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-11 20:57:00,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:00,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-11 20:57:00,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:00,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-11 20:57:00,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:00,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-11 20:57:00,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:00,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-11 20:57:00,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:00,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-10-11 20:57:00,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:00,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-11 20:57:00,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:00,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 20:57:00,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:00,506 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-10-11 20:57:00,507 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:57:00,507 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1343172463] [2024-10-11 20:57:00,507 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1343172463] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:57:00,507 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [901544738] [2024-10-11 20:57:00,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:57:00,507 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:57:00,507 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:57:00,509 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:57:00,510 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-10-11 20:57:00,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:00,559 INFO L255 TraceCheckSpWp]: Trace formula consists of 182 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-10-11 20:57:00,560 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:57:00,645 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 0 proven. 170 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-10-11 20:57:00,645 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:57:00,795 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-10-11 20:57:00,795 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [901544738] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 20:57:00,795 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 20:57:00,795 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 10, 11] total 24 [2024-10-11 20:57:00,795 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1533255887] [2024-10-11 20:57:00,795 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 20:57:00,796 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2024-10-11 20:57:00,796 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:57:00,796 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2024-10-11 20:57:00,797 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=141, Invalid=459, Unknown=0, NotChecked=0, Total=600 [2024-10-11 20:57:00,797 INFO L87 Difference]: Start difference. First operand 140 states and 171 transitions. Second operand has 25 states, 24 states have (on average 3.25) internal successors, (78), 25 states have internal predecessors, (78), 8 states have call successors, (30), 5 states have call predecessors, (30), 5 states have return successors, (30), 8 states have call predecessors, (30), 8 states have call successors, (30) [2024-10-11 20:57:01,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:57:01,131 INFO L93 Difference]: Finished difference Result 225 states and 271 transitions. [2024-10-11 20:57:01,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-10-11 20:57:01,132 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 3.25) internal successors, (78), 25 states have internal predecessors, (78), 8 states have call successors, (30), 5 states have call predecessors, (30), 5 states have return successors, (30), 8 states have call predecessors, (30), 8 states have call successors, (30) Word has length 78 [2024-10-11 20:57:01,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:57:01,134 INFO L225 Difference]: With dead ends: 225 [2024-10-11 20:57:01,134 INFO L226 Difference]: Without dead ends: 224 [2024-10-11 20:57:01,135 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 206 GetRequests, 162 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 508 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=485, Invalid=1585, Unknown=0, NotChecked=0, Total=2070 [2024-10-11 20:57:01,135 INFO L432 NwaCegarLoop]: 23 mSDtfsCounter, 139 mSDsluCounter, 226 mSDsCounter, 0 mSdLazyCounter, 220 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 139 SdHoareTripleChecker+Valid, 249 SdHoareTripleChecker+Invalid, 238 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 220 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 20:57:01,136 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [139 Valid, 249 Invalid, 238 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 220 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 20:57:01,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 224 states. [2024-10-11 20:57:01,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 224 to 164. [2024-10-11 20:57:01,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 164 states, 116 states have (on average 1.146551724137931) internal successors, (133), 117 states have internal predecessors, (133), 33 states have call successors, (33), 13 states have call predecessors, (33), 13 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2024-10-11 20:57:01,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 199 transitions. [2024-10-11 20:57:01,145 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 199 transitions. Word has length 78 [2024-10-11 20:57:01,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:57:01,145 INFO L471 AbstractCegarLoop]: Abstraction has 164 states and 199 transitions. [2024-10-11 20:57:01,145 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 3.25) internal successors, (78), 25 states have internal predecessors, (78), 8 states have call successors, (30), 5 states have call predecessors, (30), 5 states have return successors, (30), 8 states have call predecessors, (30), 8 states have call successors, (30) [2024-10-11 20:57:01,145 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 199 transitions. [2024-10-11 20:57:01,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2024-10-11 20:57:01,149 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:57:01,149 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1] [2024-10-11 20:57:01,180 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-10-11 20:57:01,350 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,8 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:57:01,350 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-10-11 20:57:01,351 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:57:01,351 INFO L85 PathProgramCache]: Analyzing trace with hash 2071083694, now seen corresponding path program 2 times [2024-10-11 20:57:01,351 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:57:01,351 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1247723270] [2024-10-11 20:57:01,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:57:01,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:57:01,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:01,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 20:57:01,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:01,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-11 20:57:01,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:01,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-11 20:57:01,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:01,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-11 20:57:01,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:01,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-11 20:57:01,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:01,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-11 20:57:01,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:01,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-11 20:57:01,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:01,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-10-11 20:57:01,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:01,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 20:57:01,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:01,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-11 20:57:01,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:01,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-10-11 20:57:01,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:01,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-10-11 20:57:01,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:01,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-10-11 20:57:01,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:01,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-10-11 20:57:01,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:01,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-11 20:57:01,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:01,576 INFO L134 CoverageAnalysis]: Checked inductivity of 477 backedges. 47 proven. 10 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-10-11 20:57:01,576 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:57:01,576 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1247723270] [2024-10-11 20:57:01,577 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1247723270] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:57:01,577 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1316427142] [2024-10-11 20:57:01,577 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-11 20:57:01,577 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:57:01,577 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:57:01,581 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:57:01,582 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-10-11 20:57:01,634 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-11 20:57:01,635 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-11 20:57:01,637 INFO L255 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-10-11 20:57:01,639 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:57:01,738 INFO L134 CoverageAnalysis]: Checked inductivity of 477 backedges. 427 proven. 2 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-10-11 20:57:01,738 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:57:01,875 INFO L134 CoverageAnalysis]: Checked inductivity of 477 backedges. 55 proven. 2 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-10-11 20:57:01,875 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1316427142] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 20:57:01,875 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 20:57:01,875 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 13, 14] total 17 [2024-10-11 20:57:01,875 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [785224010] [2024-10-11 20:57:01,875 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 20:57:01,876 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-10-11 20:57:01,876 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:57:01,876 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-10-11 20:57:01,877 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=214, Unknown=0, NotChecked=0, Total=272 [2024-10-11 20:57:01,877 INFO L87 Difference]: Start difference. First operand 164 states and 199 transitions. Second operand has 17 states, 17 states have (on average 3.9411764705882355) internal successors, (67), 17 states have internal predecessors, (67), 6 states have call successors, (30), 7 states have call predecessors, (30), 7 states have return successors, (30), 6 states have call predecessors, (30), 6 states have call successors, (30) [2024-10-11 20:57:02,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:57:02,107 INFO L93 Difference]: Finished difference Result 241 states and 286 transitions. [2024-10-11 20:57:02,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-10-11 20:57:02,107 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 3.9411764705882355) internal successors, (67), 17 states have internal predecessors, (67), 6 states have call successors, (30), 7 states have call predecessors, (30), 7 states have return successors, (30), 6 states have call predecessors, (30), 6 states have call successors, (30) Word has length 114 [2024-10-11 20:57:02,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:57:02,108 INFO L225 Difference]: With dead ends: 241 [2024-10-11 20:57:02,108 INFO L226 Difference]: Without dead ends: 200 [2024-10-11 20:57:02,109 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 280 GetRequests, 244 SyntacticMatches, 11 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 234 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=155, Invalid=547, Unknown=0, NotChecked=0, Total=702 [2024-10-11 20:57:02,109 INFO L432 NwaCegarLoop]: 68 mSDtfsCounter, 38 mSDsluCounter, 472 mSDsCounter, 0 mSdLazyCounter, 381 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 540 SdHoareTripleChecker+Invalid, 381 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 381 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-11 20:57:02,110 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 540 Invalid, 381 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 381 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 20:57:02,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 200 states. [2024-10-11 20:57:02,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 200 to 194. [2024-10-11 20:57:02,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 194 states, 140 states have (on average 1.1357142857142857) internal successors, (159), 141 states have internal predecessors, (159), 37 states have call successors, (37), 15 states have call predecessors, (37), 15 states have return successors, (37), 37 states have call predecessors, (37), 37 states have call successors, (37) [2024-10-11 20:57:02,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 233 transitions. [2024-10-11 20:57:02,119 INFO L78 Accepts]: Start accepts. Automaton has 194 states and 233 transitions. Word has length 114 [2024-10-11 20:57:02,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:57:02,119 INFO L471 AbstractCegarLoop]: Abstraction has 194 states and 233 transitions. [2024-10-11 20:57:02,120 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 3.9411764705882355) internal successors, (67), 17 states have internal predecessors, (67), 6 states have call successors, (30), 7 states have call predecessors, (30), 7 states have return successors, (30), 6 states have call predecessors, (30), 6 states have call successors, (30) [2024-10-11 20:57:02,120 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 233 transitions. [2024-10-11 20:57:02,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-10-11 20:57:02,121 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:57:02,121 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:57:02,133 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-10-11 20:57:02,321 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-10-11 20:57:02,322 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-10-11 20:57:02,322 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:57:02,322 INFO L85 PathProgramCache]: Analyzing trace with hash 1309794176, now seen corresponding path program 3 times [2024-10-11 20:57:02,323 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:57:02,323 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [270082809] [2024-10-11 20:57:02,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:57:02,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:57:02,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:02,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 20:57:02,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:02,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-11 20:57:02,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:02,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-11 20:57:02,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:02,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-11 20:57:02,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:02,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-11 20:57:02,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:02,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-11 20:57:02,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:02,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-11 20:57:02,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:02,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-10-11 20:57:02,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:02,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 20:57:02,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:02,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-11 20:57:02,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:02,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-10-11 20:57:02,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:02,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-10-11 20:57:02,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:02,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-11 20:57:02,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:02,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-11 20:57:02,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:02,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-11 20:57:02,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:02,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-11 20:57:02,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:02,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-11 20:57:02,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:02,532 INFO L134 CoverageAnalysis]: Checked inductivity of 627 backedges. 67 proven. 16 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-10-11 20:57:02,532 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:57:02,532 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [270082809] [2024-10-11 20:57:02,532 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [270082809] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:57:02,532 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1959770610] [2024-10-11 20:57:02,532 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-11 20:57:02,532 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:57:02,532 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:57:02,537 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:57:02,541 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-10-11 20:57:02,584 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-10-11 20:57:02,584 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-11 20:57:02,585 INFO L255 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-11 20:57:02,586 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:57:02,666 INFO L134 CoverageAnalysis]: Checked inductivity of 627 backedges. 260 proven. 27 refuted. 0 times theorem prover too weak. 340 trivial. 0 not checked. [2024-10-11 20:57:02,666 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:57:02,789 INFO L134 CoverageAnalysis]: Checked inductivity of 627 backedges. 20 proven. 3 refuted. 0 times theorem prover too weak. 604 trivial. 0 not checked. [2024-10-11 20:57:02,789 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1959770610] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 20:57:02,789 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 20:57:02,789 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 6, 6] total 25 [2024-10-11 20:57:02,790 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [271581742] [2024-10-11 20:57:02,790 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 20:57:02,790 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2024-10-11 20:57:02,790 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:57:02,791 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2024-10-11 20:57:02,791 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=514, Unknown=0, NotChecked=0, Total=600 [2024-10-11 20:57:02,791 INFO L87 Difference]: Start difference. First operand 194 states and 233 transitions. Second operand has 25 states, 25 states have (on average 3.12) internal successors, (78), 25 states have internal predecessors, (78), 11 states have call successors, (30), 3 states have call predecessors, (30), 3 states have return successors, (30), 11 states have call predecessors, (30), 11 states have call successors, (30) [2024-10-11 20:57:03,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:57:03,338 INFO L93 Difference]: Finished difference Result 206 states and 244 transitions. [2024-10-11 20:57:03,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-10-11 20:57:03,339 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 25 states have (on average 3.12) internal successors, (78), 25 states have internal predecessors, (78), 11 states have call successors, (30), 3 states have call predecessors, (30), 3 states have return successors, (30), 11 states have call predecessors, (30), 11 states have call successors, (30) Word has length 122 [2024-10-11 20:57:03,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:57:03,343 INFO L225 Difference]: With dead ends: 206 [2024-10-11 20:57:03,343 INFO L226 Difference]: Without dead ends: 171 [2024-10-11 20:57:03,344 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 321 GetRequests, 270 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 625 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=492, Invalid=2264, Unknown=0, NotChecked=0, Total=2756 [2024-10-11 20:57:03,345 INFO L432 NwaCegarLoop]: 63 mSDtfsCounter, 110 mSDsluCounter, 545 mSDsCounter, 0 mSdLazyCounter, 583 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 110 SdHoareTripleChecker+Valid, 608 SdHoareTripleChecker+Invalid, 613 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 583 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-11 20:57:03,345 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [110 Valid, 608 Invalid, 613 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 583 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-11 20:57:03,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2024-10-11 20:57:03,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 159. [2024-10-11 20:57:03,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 159 states, 115 states have (on average 1.0956521739130434) internal successors, (126), 116 states have internal predecessors, (126), 30 states have call successors, (30), 12 states have call predecessors, (30), 12 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2024-10-11 20:57:03,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 186 transitions. [2024-10-11 20:57:03,355 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 186 transitions. Word has length 122 [2024-10-11 20:57:03,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:57:03,356 INFO L471 AbstractCegarLoop]: Abstraction has 159 states and 186 transitions. [2024-10-11 20:57:03,356 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 3.12) internal successors, (78), 25 states have internal predecessors, (78), 11 states have call successors, (30), 3 states have call predecessors, (30), 3 states have return successors, (30), 11 states have call predecessors, (30), 11 states have call successors, (30) [2024-10-11 20:57:03,356 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 186 transitions. [2024-10-11 20:57:03,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-10-11 20:57:03,357 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:57:03,357 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:57:03,370 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-10-11 20:57:03,558 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,10 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:57:03,558 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-10-11 20:57:03,559 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:57:03,559 INFO L85 PathProgramCache]: Analyzing trace with hash -714852946, now seen corresponding path program 2 times [2024-10-11 20:57:03,559 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:57:03,559 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [35632078] [2024-10-11 20:57:03,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:57:03,559 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:57:03,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:03,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 20:57:03,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:03,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-11 20:57:03,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:03,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-11 20:57:03,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:03,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-11 20:57:03,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:03,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-11 20:57:03,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:03,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-11 20:57:03,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:03,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-10-11 20:57:03,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:03,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-11 20:57:03,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:03,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-11 20:57:03,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:03,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-11 20:57:03,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:03,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-11 20:57:03,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:03,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-11 20:57:03,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:03,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-11 20:57:03,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:03,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-11 20:57:03,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:03,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-11 20:57:03,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:03,860 INFO L134 CoverageAnalysis]: Checked inductivity of 558 backedges. 127 proven. 4 refuted. 0 times theorem prover too weak. 427 trivial. 0 not checked. [2024-10-11 20:57:03,860 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:57:03,860 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [35632078] [2024-10-11 20:57:03,860 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [35632078] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:57:03,860 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1559588041] [2024-10-11 20:57:03,860 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-11 20:57:03,860 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:57:03,860 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:57:03,864 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:57:03,865 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-10-11 20:57:03,924 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-11 20:57:03,924 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-11 20:57:03,925 INFO L255 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-10-11 20:57:03,927 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:57:04,083 INFO L134 CoverageAnalysis]: Checked inductivity of 558 backedges. 495 proven. 4 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2024-10-11 20:57:04,083 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:57:04,274 INFO L134 CoverageAnalysis]: Checked inductivity of 558 backedges. 127 proven. 4 refuted. 0 times theorem prover too weak. 427 trivial. 0 not checked. [2024-10-11 20:57:04,274 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1559588041] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 20:57:04,274 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 20:57:04,274 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 13, 14] total 17 [2024-10-11 20:57:04,275 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [317083888] [2024-10-11 20:57:04,275 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 20:57:04,275 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-10-11 20:57:04,275 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:57:04,276 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-10-11 20:57:04,276 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=210, Unknown=0, NotChecked=0, Total=272 [2024-10-11 20:57:04,276 INFO L87 Difference]: Start difference. First operand 159 states and 186 transitions. Second operand has 17 states, 17 states have (on average 4.176470588235294) internal successors, (71), 17 states have internal predecessors, (71), 6 states have call successors, (26), 7 states have call predecessors, (26), 7 states have return successors, (26), 6 states have call predecessors, (26), 6 states have call successors, (26) [2024-10-11 20:57:04,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:57:04,620 INFO L93 Difference]: Finished difference Result 160 states and 186 transitions. [2024-10-11 20:57:04,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-10-11 20:57:04,620 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 4.176470588235294) internal successors, (71), 17 states have internal predecessors, (71), 6 states have call successors, (26), 7 states have call predecessors, (26), 7 states have return successors, (26), 6 states have call predecessors, (26), 6 states have call successors, (26) Word has length 122 [2024-10-11 20:57:04,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:57:04,621 INFO L225 Difference]: With dead ends: 160 [2024-10-11 20:57:04,621 INFO L226 Difference]: Without dead ends: 84 [2024-10-11 20:57:04,622 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 297 GetRequests, 260 SyntacticMatches, 11 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 241 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=191, Invalid=565, Unknown=0, NotChecked=0, Total=756 [2024-10-11 20:57:04,622 INFO L432 NwaCegarLoop]: 53 mSDtfsCounter, 30 mSDsluCounter, 247 mSDsCounter, 0 mSdLazyCounter, 267 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 300 SdHoareTripleChecker+Invalid, 267 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 267 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-11 20:57:04,623 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 300 Invalid, 267 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 267 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 20:57:04,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2024-10-11 20:57:04,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 84. [2024-10-11 20:57:04,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 58 states have (on average 1.0344827586206897) internal successors, (60), 59 states have internal predecessors, (60), 18 states have call successors, (18), 6 states have call predecessors, (18), 6 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-10-11 20:57:04,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 96 transitions. [2024-10-11 20:57:04,627 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 96 transitions. Word has length 122 [2024-10-11 20:57:04,628 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:57:04,628 INFO L471 AbstractCegarLoop]: Abstraction has 84 states and 96 transitions. [2024-10-11 20:57:04,628 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 4.176470588235294) internal successors, (71), 17 states have internal predecessors, (71), 6 states have call successors, (26), 7 states have call predecessors, (26), 7 states have return successors, (26), 6 states have call predecessors, (26), 6 states have call successors, (26) [2024-10-11 20:57:04,628 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 96 transitions. [2024-10-11 20:57:04,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2024-10-11 20:57:04,629 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:57:04,629 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1] [2024-10-11 20:57:04,643 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-10-11 20:57:04,829 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-10-11 20:57:04,830 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-10-11 20:57:04,830 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:57:04,830 INFO L85 PathProgramCache]: Analyzing trace with hash 1254225999, now seen corresponding path program 2 times [2024-10-11 20:57:04,830 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:57:04,830 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1049784758] [2024-10-11 20:57:04,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:57:04,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:57:04,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:05,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 20:57:05,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:05,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-11 20:57:05,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:05,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-11 20:57:05,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:05,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-11 20:57:05,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:05,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-11 20:57:05,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:05,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-11 20:57:05,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:05,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-11 20:57:05,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:05,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-10-11 20:57:05,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:05,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 20:57:05,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:05,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-11 20:57:05,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:05,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-10-11 20:57:05,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:05,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-10-11 20:57:05,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:05,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-11 20:57:05,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:05,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-11 20:57:05,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:05,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-11 20:57:05,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:05,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-11 20:57:05,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:05,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-11 20:57:05,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:05,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-11 20:57:05,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:05,080 INFO L134 CoverageAnalysis]: Checked inductivity of 750 backedges. 114 proven. 24 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-10-11 20:57:05,080 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:57:05,080 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1049784758] [2024-10-11 20:57:05,080 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1049784758] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:57:05,081 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1974351559] [2024-10-11 20:57:05,081 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-11 20:57:05,081 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:57:05,081 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:57:05,082 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:57:05,087 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-10-11 20:57:05,138 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-11 20:57:05,138 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-11 20:57:05,139 INFO L255 TraceCheckSpWp]: Trace formula consists of 272 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-10-11 20:57:05,141 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:57:05,255 INFO L134 CoverageAnalysis]: Checked inductivity of 750 backedges. 673 proven. 5 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2024-10-11 20:57:05,256 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:57:05,405 INFO L134 CoverageAnalysis]: Checked inductivity of 750 backedges. 133 proven. 5 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-10-11 20:57:05,405 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1974351559] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 20:57:05,405 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 20:57:05,405 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 13, 14] total 17 [2024-10-11 20:57:05,405 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1570534907] [2024-10-11 20:57:05,405 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 20:57:05,406 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-10-11 20:57:05,406 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:57:05,406 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-10-11 20:57:05,407 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=205, Unknown=0, NotChecked=0, Total=272 [2024-10-11 20:57:05,407 INFO L87 Difference]: Start difference. First operand 84 states and 96 transitions. Second operand has 17 states, 17 states have (on average 3.764705882352941) internal successors, (64), 17 states have internal predecessors, (64), 6 states have call successors, (36), 7 states have call predecessors, (36), 7 states have return successors, (36), 6 states have call predecessors, (36), 6 states have call successors, (36) [2024-10-11 20:57:05,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:57:05,582 INFO L93 Difference]: Finished difference Result 84 states and 96 transitions. [2024-10-11 20:57:05,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-10-11 20:57:05,582 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 3.764705882352941) internal successors, (64), 17 states have internal predecessors, (64), 6 states have call successors, (36), 7 states have call predecessors, (36), 7 states have return successors, (36), 6 states have call predecessors, (36), 6 states have call successors, (36) Word has length 126 [2024-10-11 20:57:05,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:57:05,583 INFO L225 Difference]: With dead ends: 84 [2024-10-11 20:57:05,583 INFO L226 Difference]: Without dead ends: 0 [2024-10-11 20:57:05,583 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 310 GetRequests, 274 SyntacticMatches, 11 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 235 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=199, Invalid=503, Unknown=0, NotChecked=0, Total=702 [2024-10-11 20:57:05,584 INFO L432 NwaCegarLoop]: 52 mSDtfsCounter, 20 mSDsluCounter, 256 mSDsCounter, 0 mSdLazyCounter, 204 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 308 SdHoareTripleChecker+Invalid, 204 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 204 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 20:57:05,584 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 308 Invalid, 204 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 204 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 20:57:05,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-10-11 20:57:05,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-10-11 20:57:05,584 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) [2024-10-11 20:57:05,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-10-11 20:57:05,585 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 126 [2024-10-11 20:57:05,585 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:57:05,585 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-11 20:57:05,585 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 3.764705882352941) internal successors, (64), 17 states have internal predecessors, (64), 6 states have call successors, (36), 7 states have call predecessors, (36), 7 states have return successors, (36), 6 states have call predecessors, (36), 6 states have call successors, (36) [2024-10-11 20:57:05,585 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-10-11 20:57:05,585 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-10-11 20:57:05,587 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 4 remaining) [2024-10-11 20:57:05,587 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 4 remaining) [2024-10-11 20:57:05,588 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 4 remaining) [2024-10-11 20:57:05,588 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 4 remaining) [2024-10-11 20:57:05,600 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-10-11 20:57:05,788 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-10-11 20:57:05,791 INFO L407 BasicCegarLoop]: Path program histogram: [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:57:05,793 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-10-11 20:57:06,111 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-11 20:57:06,122 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 08:57:06 BoogieIcfgContainer [2024-10-11 20:57:06,123 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-11 20:57:06,123 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-11 20:57:06,123 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-11 20:57:06,123 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-11 20:57:06,124 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 08:56:55" (3/4) ... [2024-10-11 20:57:06,125 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-11 20:57:06,128 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2024-10-11 20:57:06,130 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2024-10-11 20:57:06,130 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-10-11 20:57:06,131 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-10-11 20:57:06,131 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-10-11 20:57:06,198 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-10-11 20:57:06,198 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/witness.yml [2024-10-11 20:57:06,198 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-11 20:57:06,199 INFO L158 Benchmark]: Toolchain (without parser) took 11840.89ms. Allocated memory was 176.2MB in the beginning and 348.1MB in the end (delta: 172.0MB). Free memory was 102.8MB in the beginning and 262.1MB in the end (delta: -159.3MB). Peak memory consumption was 15.3MB. Max. memory is 16.1GB. [2024-10-11 20:57:06,199 INFO L158 Benchmark]: CDTParser took 0.80ms. Allocated memory is still 176.2MB. Free memory is still 128.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-11 20:57:06,199 INFO L158 Benchmark]: CACSL2BoogieTranslator took 268.50ms. Allocated memory is still 176.2MB. Free memory was 102.5MB in the beginning and 90.3MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-10-11 20:57:06,199 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.08ms. Allocated memory is still 176.2MB. Free memory was 90.3MB in the beginning and 145.8MB in the end (delta: -55.5MB). Peak memory consumption was 7.9MB. Max. memory is 16.1GB. [2024-10-11 20:57:06,199 INFO L158 Benchmark]: Boogie Preprocessor took 34.23ms. Allocated memory is still 176.2MB. Free memory was 145.8MB in the beginning and 144.1MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-11 20:57:06,200 INFO L158 Benchmark]: RCFGBuilder took 331.33ms. Allocated memory was 176.2MB in the beginning and 241.2MB in the end (delta: 65.0MB). Free memory was 144.0MB in the beginning and 200.8MB in the end (delta: -56.8MB). Peak memory consumption was 9.0MB. Max. memory is 16.1GB. [2024-10-11 20:57:06,200 INFO L158 Benchmark]: TraceAbstraction took 11076.42ms. Allocated memory was 241.2MB in the beginning and 348.1MB in the end (delta: 107.0MB). Free memory was 200.8MB in the beginning and 267.3MB in the end (delta: -66.6MB). Peak memory consumption was 160.8MB. Max. memory is 16.1GB. [2024-10-11 20:57:06,200 INFO L158 Benchmark]: Witness Printer took 75.06ms. Allocated memory is still 348.1MB. Free memory was 267.3MB in the beginning and 262.1MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-10-11 20:57:06,201 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.80ms. Allocated memory is still 176.2MB. Free memory is still 128.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 268.50ms. Allocated memory is still 176.2MB. Free memory was 102.5MB in the beginning and 90.3MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.08ms. Allocated memory is still 176.2MB. Free memory was 90.3MB in the beginning and 145.8MB in the end (delta: -55.5MB). Peak memory consumption was 7.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.23ms. Allocated memory is still 176.2MB. Free memory was 145.8MB in the beginning and 144.1MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 331.33ms. Allocated memory was 176.2MB in the beginning and 241.2MB in the end (delta: 65.0MB). Free memory was 144.0MB in the beginning and 200.8MB in the end (delta: -56.8MB). Peak memory consumption was 9.0MB. Max. memory is 16.1GB. * TraceAbstraction took 11076.42ms. Allocated memory was 241.2MB in the beginning and 348.1MB in the end (delta: 107.0MB). Free memory was 200.8MB in the beginning and 267.3MB in the end (delta: -66.6MB). Peak memory consumption was 160.8MB. Max. memory is 16.1GB. * Witness Printer took 75.06ms. Allocated memory is still 348.1MB. Free memory was 267.3MB in the beginning and 262.1MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - 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: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 45]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 45]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 31 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 10.7s, OverallIterations: 15, TraceHistogramMax: 18, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 3.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 697 SdHoareTripleChecker+Valid, 1.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 697 mSDsluCounter, 3359 SdHoareTripleChecker+Invalid, 1.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2817 mSDsCounter, 81 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2420 IncrementalHoareTripleChecker+Invalid, 2501 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 81 mSolverCounterUnsat, 542 mSDtfsCounter, 2420 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2030 GetRequests, 1681 SyntacticMatches, 35 SemanticMatches, 314 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2632 ImplicationChecksByTransitivity, 2.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=194occurred in iteration=12, InterpolantAutomatonStates: 251, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 15 MinimizatonAttempts, 191 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 4.3s InterpolantComputationTime, 1693 NumberOfCodeBlocks, 1628 NumberOfCodeBlocksAsserted, 31 NumberOfCheckSat, 2404 ConstructedInterpolants, 0 QuantifiedInterpolants, 5052 SizeOfPredicates, 73 NumberOfNonLiveVariables, 1780 ConjunctsInSsa, 96 ConjunctsInUnsatCore, 35 InterpolantComputations, 6 PerfectInterpolantSequences, 8304/8936 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - InvariantResult [Line: 35]: Loop Invariant Derived loop invariant: ((((((counter == 3) || (counter == 5)) || (counter == 4)) || (counter == 0)) || (counter == 1)) || (counter == 2)) - InvariantResult [Line: 45]: Loop Invariant Derived loop invariant: ((((5 <= counter) && (counter <= 2147483646)) || ((counter <= 2147483644) && (3 <= counter))) || ((1 <= counter) && (counter <= 2))) RESULT: Ultimate proved your program to be correct! [2024-10-11 20:57:06,226 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/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