./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/egcd2-ll_valuebound1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 61a67961 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/egcd2-ll_valuebound1.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 9439004819e2e34c2ab2e87057bca89732394fc53eb02ecb90192bb8fac7667a --- Real Ultimate output --- This is Ultimate 0.2.5-wip.fs.cvc5-61a6796-m [2024-10-14 20:39:17,417 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-14 20:39:17,490 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-10-14 20:39:17,497 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-14 20:39:17,497 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-14 20:39:17,520 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-14 20:39:17,522 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-14 20:39:17,522 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-14 20:39:17,523 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-14 20:39:17,524 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-14 20:39:17,525 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-14 20:39:17,525 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-14 20:39:17,526 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-14 20:39:17,526 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-14 20:39:17,527 INFO L153 SettingsManager]: * Use SBE=true [2024-10-14 20:39:17,528 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-14 20:39:17,528 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-14 20:39:17,528 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-14 20:39:17,529 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-14 20:39:17,529 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-14 20:39:17,529 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-14 20:39:17,533 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-14 20:39:17,534 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-14 20:39:17,534 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-14 20:39:17,534 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-14 20:39:17,534 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-14 20:39:17,534 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-14 20:39:17,535 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-14 20:39:17,535 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-14 20:39:17,535 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-14 20:39:17,536 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-14 20:39:17,536 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-14 20:39:17,536 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-14 20:39:17,536 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-14 20:39:17,537 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 20:39:17,537 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-14 20:39:17,537 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-14 20:39:17,537 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-14 20:39:17,537 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-14 20:39:17,538 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-14 20:39:17,538 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-14 20:39:17,538 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-14 20:39:17,538 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-14 20:39:17,538 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-14 20:39:17,539 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9439004819e2e34c2ab2e87057bca89732394fc53eb02ecb90192bb8fac7667a [2024-10-14 20:39:17,751 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-14 20:39:17,765 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-14 20:39:17,767 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-14 20:39:17,768 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-14 20:39:17,769 INFO L274 PluginConnector]: CDTParser initialized [2024-10-14 20:39:17,769 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/egcd2-ll_valuebound1.c [2024-10-14 20:39:19,051 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-14 20:39:19,224 INFO L384 CDTParser]: Found 1 translation units. [2024-10-14 20:39:19,224 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/egcd2-ll_valuebound1.c [2024-10-14 20:39:19,231 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a4345dc16/5a04524c8ae14a8fbca22afc782b5fa3/FLAGb9a2f135a [2024-10-14 20:39:19,617 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a4345dc16/5a04524c8ae14a8fbca22afc782b5fa3 [2024-10-14 20:39:19,619 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-14 20:39:19,620 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-14 20:39:19,621 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-14 20:39:19,621 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-14 20:39:19,626 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-14 20:39:19,626 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 08:39:19" (1/1) ... [2024-10-14 20:39:19,627 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c03703f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:39:19, skipping insertion in model container [2024-10-14 20:39:19,627 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 08:39:19" (1/1) ... [2024-10-14 20:39:19,645 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-14 20:39:19,787 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 20:39:19,795 INFO L200 MainTranslator]: Completed pre-run [2024-10-14 20:39:19,817 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 20:39:19,833 INFO L204 MainTranslator]: Completed translation [2024-10-14 20:39:19,833 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:39:19 WrapperNode [2024-10-14 20:39:19,833 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-14 20:39:19,834 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-14 20:39:19,835 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-14 20:39:19,835 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-14 20:39:19,841 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:39:19" (1/1) ... [2024-10-14 20:39:19,846 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:39:19" (1/1) ... [2024-10-14 20:39:19,864 INFO L138 Inliner]: procedures = 14, calls = 20, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 149 [2024-10-14 20:39:19,865 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-14 20:39:19,865 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-14 20:39:19,865 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-14 20:39:19,865 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-14 20:39:19,874 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:39:19" (1/1) ... [2024-10-14 20:39:19,874 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:39:19" (1/1) ... [2024-10-14 20:39:19,876 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:39:19" (1/1) ... [2024-10-14 20:39:19,885 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-10-14 20:39:19,886 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:39:19" (1/1) ... [2024-10-14 20:39:19,886 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:39:19" (1/1) ... [2024-10-14 20:39:19,889 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:39:19" (1/1) ... [2024-10-14 20:39:19,894 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:39:19" (1/1) ... [2024-10-14 20:39:19,896 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:39:19" (1/1) ... [2024-10-14 20:39:19,896 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:39:19" (1/1) ... [2024-10-14 20:39:19,898 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-14 20:39:19,899 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-14 20:39:19,899 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-14 20:39:19,899 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-14 20:39:19,900 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:39:19" (1/1) ... [2024-10-14 20:39:19,904 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 20:39:19,913 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:39:19,928 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-14 20:39:19,959 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-14 20:39:19,996 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-14 20:39:19,996 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-14 20:39:19,996 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-14 20:39:19,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-14 20:39:19,996 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-14 20:39:19,997 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-14 20:39:19,997 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-10-14 20:39:20,014 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-10-14 20:39:20,066 INFO L238 CfgBuilder]: Building ICFG [2024-10-14 20:39:20,068 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-14 20:39:20,678 INFO L? ?]: Removed 196 outVars from TransFormulas that were not future-live. [2024-10-14 20:39:20,679 INFO L287 CfgBuilder]: Performing block encoding [2024-10-14 20:39:20,705 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-14 20:39:20,705 INFO L314 CfgBuilder]: Removed 2 assume(true) statements. [2024-10-14 20:39:20,706 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 08:39:20 BoogieIcfgContainer [2024-10-14 20:39:20,706 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-14 20:39:20,707 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-14 20:39:20,707 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-14 20:39:20,712 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-14 20:39:20,713 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 08:39:19" (1/3) ... [2024-10-14 20:39:20,713 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e135083 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 08:39:20, skipping insertion in model container [2024-10-14 20:39:20,714 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:39:19" (2/3) ... [2024-10-14 20:39:20,714 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e135083 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 08:39:20, skipping insertion in model container [2024-10-14 20:39:20,714 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 08:39:20" (3/3) ... [2024-10-14 20:39:20,715 INFO L112 eAbstractionObserver]: Analyzing ICFG egcd2-ll_valuebound1.c [2024-10-14 20:39:20,728 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-14 20:39:20,729 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 64 error locations. [2024-10-14 20:39:20,790 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-14 20:39:20,795 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;@38a6966f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-14 20:39:20,795 INFO L334 AbstractCegarLoop]: Starting to check reachability of 64 error locations. [2024-10-14 20:39:20,799 INFO L276 IsEmpty]: Start isEmpty. Operand has 158 states, 79 states have (on average 1.9113924050632911) internal successors, (151), 144 states have internal predecessors, (151), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-10-14 20:39:20,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-10-14 20:39:20,805 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:39:20,806 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:39:20,806 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-10-14 20:39:20,810 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:39:20,811 INFO L85 PathProgramCache]: Analyzing trace with hash 1634057786, now seen corresponding path program 1 times [2024-10-14 20:39:20,817 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:39:20,818 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [281180184] [2024-10-14 20:39:20,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:39:20,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:39:20,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:20,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 20:39:20,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:20,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 20:39:20,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:20,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-14 20:39:20,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:20,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-14 20:39:20,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:20,982 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-10-14 20:39:20,982 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:39:20,982 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [281180184] [2024-10-14 20:39:20,983 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [281180184] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:39:20,983 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 20:39:20,983 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 20:39:20,984 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [551282271] [2024-10-14 20:39:20,985 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:39:20,988 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-14 20:39:20,988 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:39:21,005 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-14 20:39:21,006 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-14 20:39:21,008 INFO L87 Difference]: Start difference. First operand has 158 states, 79 states have (on average 1.9113924050632911) internal successors, (151), 144 states have internal predecessors, (151), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) Second operand has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-14 20:39:21,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:39:21,035 INFO L93 Difference]: Finished difference Result 313 states and 359 transitions. [2024-10-14 20:39:21,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-14 20:39:21,037 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) Word has length 24 [2024-10-14 20:39:21,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:39:21,043 INFO L225 Difference]: With dead ends: 313 [2024-10-14 20:39:21,044 INFO L226 Difference]: Without dead ends: 154 [2024-10-14 20:39:21,048 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-14 20:39:21,052 INFO L432 NwaCegarLoop]: 166 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, 166 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 [2024-10-14 20:39:21,053 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 166 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 20:39:21,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2024-10-14 20:39:21,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 154. [2024-10-14 20:39:21,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 154 states, 78 states have (on average 1.8205128205128205) internal successors, (142), 141 states have internal predecessors, (142), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-10-14 20:39:21,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 164 transitions. [2024-10-14 20:39:21,092 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 164 transitions. Word has length 24 [2024-10-14 20:39:21,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:39:21,092 INFO L471 AbstractCegarLoop]: Abstraction has 154 states and 164 transitions. [2024-10-14 20:39:21,093 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-14 20:39:21,093 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 164 transitions. [2024-10-14 20:39:21,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-10-14 20:39:21,094 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:39:21,094 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:39:21,094 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-14 20:39:21,094 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-10-14 20:39:21,095 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:39:21,095 INFO L85 PathProgramCache]: Analyzing trace with hash 385715966, now seen corresponding path program 1 times [2024-10-14 20:39:21,095 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:39:21,095 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [772755662] [2024-10-14 20:39:21,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:39:21,096 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:39:21,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 20:39:21,151 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1552968343] [2024-10-14 20:39:21,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:39:21,151 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:39:21,151 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:39:21,155 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 20:39:21,162 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-14 20:39:21,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:21,214 INFO L255 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-10-14 20:39:21,218 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:39:21,342 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-10-14 20:39:21,342 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 20:39:21,342 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:39:21,343 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [772755662] [2024-10-14 20:39:21,343 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-14 20:39:21,343 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1552968343] [2024-10-14 20:39:21,343 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1552968343] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:39:21,343 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 20:39:21,343 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-14 20:39:21,344 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [877367087] [2024-10-14 20:39:21,344 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:39:21,344 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-14 20:39:21,345 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:39:21,346 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-14 20:39:21,347 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-10-14 20:39:21,347 INFO L87 Difference]: Start difference. First operand 154 states and 164 transitions. Second operand has 7 states, 4 states have (on average 2.5) internal successors, (10), 5 states have internal predecessors, (10), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) [2024-10-14 20:39:21,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:39:21,707 INFO L93 Difference]: Finished difference Result 154 states and 164 transitions. [2024-10-14 20:39:21,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-14 20:39:21,707 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 4 states have (on average 2.5) internal successors, (10), 5 states have internal predecessors, (10), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) Word has length 24 [2024-10-14 20:39:21,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:39:21,709 INFO L225 Difference]: With dead ends: 154 [2024-10-14 20:39:21,709 INFO L226 Difference]: Without dead ends: 152 [2024-10-14 20:39:21,710 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-10-14 20:39:21,711 INFO L432 NwaCegarLoop]: 73 mSDtfsCounter, 196 mSDsluCounter, 163 mSDsCounter, 0 mSdLazyCounter, 355 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 203 SdHoareTripleChecker+Valid, 236 SdHoareTripleChecker+Invalid, 363 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 355 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-14 20:39:21,711 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [203 Valid, 236 Invalid, 363 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 355 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-14 20:39:21,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152 states. [2024-10-14 20:39:21,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152 to 152. [2024-10-14 20:39:21,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 152 states, 78 states have (on average 1.794871794871795) internal successors, (140), 139 states have internal predecessors, (140), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-10-14 20:39:21,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 162 transitions. [2024-10-14 20:39:21,723 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 162 transitions. Word has length 24 [2024-10-14 20:39:21,724 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:39:21,724 INFO L471 AbstractCegarLoop]: Abstraction has 152 states and 162 transitions. [2024-10-14 20:39:21,724 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 4 states have (on average 2.5) internal successors, (10), 5 states have internal predecessors, (10), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) [2024-10-14 20:39:21,725 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 162 transitions. [2024-10-14 20:39:21,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-10-14 20:39:21,725 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:39:21,725 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:39:21,742 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-14 20:39:21,926 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:39:21,927 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-10-14 20:39:21,927 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:39:21,927 INFO L85 PathProgramCache]: Analyzing trace with hash -927706900, now seen corresponding path program 1 times [2024-10-14 20:39:21,928 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:39:21,928 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [901470353] [2024-10-14 20:39:21,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:39:21,928 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:39:21,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 20:39:21,948 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1186195467] [2024-10-14 20:39:21,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:39:21,948 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:39:21,948 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:39:21,950 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 20:39:21,952 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-14 20:39:21,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:21,986 INFO L255 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-10-14 20:39:21,988 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:39:22,049 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 9 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-14 20:39:22,049 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:39:22,414 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 9 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-14 20:39:22,414 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:39:22,415 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [901470353] [2024-10-14 20:39:22,415 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-14 20:39:22,415 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1186195467] [2024-10-14 20:39:22,415 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1186195467] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 20:39:22,415 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-14 20:39:22,416 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2024-10-14 20:39:22,416 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1389508247] [2024-10-14 20:39:22,416 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-14 20:39:22,417 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-14 20:39:22,417 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:39:22,417 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-14 20:39:22,418 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2024-10-14 20:39:22,418 INFO L87 Difference]: Start difference. First operand 152 states and 162 transitions. Second operand has 11 states, 8 states have (on average 2.25) internal successors, (18), 9 states have internal predecessors, (18), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 6 states have call predecessors, (8), 4 states have call successors, (8) [2024-10-14 20:39:22,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:39:22,834 INFO L93 Difference]: Finished difference Result 152 states and 162 transitions. [2024-10-14 20:39:22,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-14 20:39:22,834 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 8 states have (on average 2.25) internal successors, (18), 9 states have internal predecessors, (18), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 6 states have call predecessors, (8), 4 states have call successors, (8) Word has length 25 [2024-10-14 20:39:22,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:39:22,835 INFO L225 Difference]: With dead ends: 152 [2024-10-14 20:39:22,836 INFO L226 Difference]: Without dead ends: 151 [2024-10-14 20:39:22,836 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2024-10-14 20:39:22,837 INFO L432 NwaCegarLoop]: 73 mSDtfsCounter, 376 mSDsluCounter, 179 mSDsCounter, 0 mSdLazyCounter, 374 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 383 SdHoareTripleChecker+Valid, 252 SdHoareTripleChecker+Invalid, 396 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 374 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-14 20:39:22,837 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [383 Valid, 252 Invalid, 396 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 374 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-14 20:39:22,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2024-10-14 20:39:22,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 151. [2024-10-14 20:39:22,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 151 states, 78 states have (on average 1.7820512820512822) internal successors, (139), 138 states have internal predecessors, (139), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-10-14 20:39:22,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 161 transitions. [2024-10-14 20:39:22,846 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 161 transitions. Word has length 25 [2024-10-14 20:39:22,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:39:22,847 INFO L471 AbstractCegarLoop]: Abstraction has 151 states and 161 transitions. [2024-10-14 20:39:22,847 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 8 states have (on average 2.25) internal successors, (18), 9 states have internal predecessors, (18), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 6 states have call predecessors, (8), 4 states have call successors, (8) [2024-10-14 20:39:22,847 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 161 transitions. [2024-10-14 20:39:22,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-10-14 20:39:22,848 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:39:22,848 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:39:22,861 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-10-14 20:39:23,048 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2024-10-14 20:39:23,049 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr52ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-10-14 20:39:23,050 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:39:23,050 INFO L85 PathProgramCache]: Analyzing trace with hash 1810640804, now seen corresponding path program 1 times [2024-10-14 20:39:23,050 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:39:23,050 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2052726975] [2024-10-14 20:39:23,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:39:23,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:39:23,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:23,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 20:39:23,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:23,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 20:39:23,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:23,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-14 20:39:23,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:23,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-14 20:39:23,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:23,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-14 20:39:23,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:23,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-14 20:39:23,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:23,229 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 9 proven. 6 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-10-14 20:39:23,229 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:39:23,230 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2052726975] [2024-10-14 20:39:23,230 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2052726975] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:39:23,230 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [278292262] [2024-10-14 20:39:23,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:39:23,230 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:39:23,231 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:39:23,232 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 20:39:23,234 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-14 20:39:23,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:23,271 INFO L255 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-14 20:39:23,272 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:39:23,289 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-10-14 20:39:23,289 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 20:39:23,290 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [278292262] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:39:23,290 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-14 20:39:23,290 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [6] total 7 [2024-10-14 20:39:23,290 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1504230399] [2024-10-14 20:39:23,290 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:39:23,291 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 20:39:23,291 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:39:23,291 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 20:39:23,291 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-14 20:39:23,292 INFO L87 Difference]: Start difference. First operand 151 states and 161 transitions. Second operand has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-10-14 20:39:23,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:39:23,593 INFO L93 Difference]: Finished difference Result 257 states and 289 transitions. [2024-10-14 20:39:23,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 20:39:23,594 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 40 [2024-10-14 20:39:23,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:39:23,595 INFO L225 Difference]: With dead ends: 257 [2024-10-14 20:39:23,596 INFO L226 Difference]: Without dead ends: 247 [2024-10-14 20:39:23,596 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-14 20:39:23,597 INFO L432 NwaCegarLoop]: 117 mSDtfsCounter, 89 mSDsluCounter, 100 mSDsCounter, 0 mSdLazyCounter, 98 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 94 SdHoareTripleChecker+Valid, 217 SdHoareTripleChecker+Invalid, 107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 98 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-14 20:39:23,597 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [94 Valid, 217 Invalid, 107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 98 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-14 20:39:23,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 247 states. [2024-10-14 20:39:23,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 247 to 204. [2024-10-14 20:39:23,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 204 states, 127 states have (on average 1.763779527559055) internal successors, (224), 186 states have internal predecessors, (224), 15 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-10-14 20:39:23,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 254 transitions. [2024-10-14 20:39:23,613 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 254 transitions. Word has length 40 [2024-10-14 20:39:23,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:39:23,613 INFO L471 AbstractCegarLoop]: Abstraction has 204 states and 254 transitions. [2024-10-14 20:39:23,613 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-10-14 20:39:23,614 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 254 transitions. [2024-10-14 20:39:23,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-10-14 20:39:23,614 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:39:23,615 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:39:23,629 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-10-14 20:39:23,815 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:39:23,816 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-10-14 20:39:23,816 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:39:23,816 INFO L85 PathProgramCache]: Analyzing trace with hash 295288537, now seen corresponding path program 1 times [2024-10-14 20:39:23,816 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:39:23,817 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [809579721] [2024-10-14 20:39:23,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:39:23,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:39:23,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 20:39:23,829 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [351440641] [2024-10-14 20:39:23,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:39:23,829 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:39:23,830 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:39:23,831 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 20:39:23,843 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-14 20:39:23,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:23,885 INFO L255 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-14 20:39:23,886 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:39:23,897 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-10-14 20:39:23,898 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 20:39:23,898 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:39:23,898 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [809579721] [2024-10-14 20:39:23,898 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-14 20:39:23,898 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [351440641] [2024-10-14 20:39:23,899 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [351440641] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:39:23,899 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 20:39:23,899 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 20:39:23,899 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [826174019] [2024-10-14 20:39:23,899 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:39:23,899 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 20:39:23,900 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:39:23,900 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 20:39:23,900 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 20:39:23,901 INFO L87 Difference]: Start difference. First operand 204 states and 254 transitions. Second operand has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2024-10-14 20:39:24,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:39:24,016 INFO L93 Difference]: Finished difference Result 350 states and 450 transitions. [2024-10-14 20:39:24,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 20:39:24,017 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 41 [2024-10-14 20:39:24,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:39:24,019 INFO L225 Difference]: With dead ends: 350 [2024-10-14 20:39:24,019 INFO L226 Difference]: Without dead ends: 342 [2024-10-14 20:39:24,020 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 20:39:24,020 INFO L432 NwaCegarLoop]: 140 mSDtfsCounter, 83 mSDsluCounter, 131 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 271 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 20:39:24,020 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 271 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 20:39:24,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 342 states. [2024-10-14 20:39:24,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 342 to 303. [2024-10-14 20:39:24,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 303 states, 218 states have (on average 1.7660550458715596) internal successors, (385), 277 states have internal predecessors, (385), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-10-14 20:39:24,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 303 states and 431 transitions. [2024-10-14 20:39:24,034 INFO L78 Accepts]: Start accepts. Automaton has 303 states and 431 transitions. Word has length 41 [2024-10-14 20:39:24,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:39:24,035 INFO L471 AbstractCegarLoop]: Abstraction has 303 states and 431 transitions. [2024-10-14 20:39:24,035 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2024-10-14 20:39:24,035 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 431 transitions. [2024-10-14 20:39:24,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-10-14 20:39:24,036 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:39:24,036 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:39:24,051 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-10-14 20:39:24,236 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:39:24,237 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr54ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-10-14 20:39:24,237 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:39:24,237 INFO L85 PathProgramCache]: Analyzing trace with hash 564063750, now seen corresponding path program 1 times [2024-10-14 20:39:24,237 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:39:24,237 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [12199208] [2024-10-14 20:39:24,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:39:24,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:39:24,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:24,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 20:39:24,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:24,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 20:39:24,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:24,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-14 20:39:24,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:24,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-14 20:39:24,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:24,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-14 20:39:24,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:24,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-14 20:39:24,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:24,321 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 9 proven. 6 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-10-14 20:39:24,321 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:39:24,321 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [12199208] [2024-10-14 20:39:24,321 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [12199208] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:39:24,321 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2046408445] [2024-10-14 20:39:24,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:39:24,321 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:39:24,322 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:39:24,323 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 20:39:24,324 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-10-14 20:39:24,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:24,357 INFO L255 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-14 20:39:24,358 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:39:24,439 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-10-14 20:39:24,439 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 20:39:24,440 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2046408445] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:39:24,440 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-14 20:39:24,440 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2024-10-14 20:39:24,440 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1823886241] [2024-10-14 20:39:24,444 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:39:24,444 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 20:39:24,444 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:39:24,445 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 20:39:24,445 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-10-14 20:39:24,445 INFO L87 Difference]: Start difference. First operand 303 states and 431 transitions. Second operand has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-10-14 20:39:25,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:39:25,001 INFO L93 Difference]: Finished difference Result 322 states and 453 transitions. [2024-10-14 20:39:25,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 20:39:25,001 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 42 [2024-10-14 20:39:25,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:39:25,003 INFO L225 Difference]: With dead ends: 322 [2024-10-14 20:39:25,003 INFO L226 Difference]: Without dead ends: 321 [2024-10-14 20:39:25,003 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-10-14 20:39:25,004 INFO L432 NwaCegarLoop]: 77 mSDtfsCounter, 59 mSDsluCounter, 122 mSDsCounter, 0 mSdLazyCounter, 277 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 199 SdHoareTripleChecker+Invalid, 277 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 277 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-14 20:39:25,004 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [64 Valid, 199 Invalid, 277 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 277 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-14 20:39:25,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 321 states. [2024-10-14 20:39:25,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 321 to 304. [2024-10-14 20:39:25,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 304 states, 219 states have (on average 1.7625570776255708) internal successors, (386), 278 states have internal predecessors, (386), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-10-14 20:39:25,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 304 states and 432 transitions. [2024-10-14 20:39:25,019 INFO L78 Accepts]: Start accepts. Automaton has 304 states and 432 transitions. Word has length 42 [2024-10-14 20:39:25,020 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:39:25,020 INFO L471 AbstractCegarLoop]: Abstraction has 304 states and 432 transitions. [2024-10-14 20:39:25,020 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-10-14 20:39:25,020 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 432 transitions. [2024-10-14 20:39:25,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-10-14 20:39:25,021 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:39:25,021 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:39:25,035 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-10-14 20:39:25,221 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:39:25,222 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-10-14 20:39:25,222 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:39:25,222 INFO L85 PathProgramCache]: Analyzing trace with hash 304444923, now seen corresponding path program 1 times [2024-10-14 20:39:25,223 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:39:25,223 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [107340892] [2024-10-14 20:39:25,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:39:25,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:39:25,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:25,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 20:39:25,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:25,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 20:39:25,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:25,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-14 20:39:25,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:25,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-14 20:39:25,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:25,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-14 20:39:25,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:25,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-14 20:39:25,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:25,331 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-10-14 20:39:25,331 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:39:25,331 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [107340892] [2024-10-14 20:39:25,331 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [107340892] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:39:25,332 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2112554386] [2024-10-14 20:39:25,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:39:25,332 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:39:25,332 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:39:25,334 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 20:39:25,338 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-10-14 20:39:25,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:25,372 INFO L255 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-14 20:39:25,374 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:39:25,423 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-10-14 20:39:25,424 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 20:39:25,424 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2112554386] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:39:25,424 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-14 20:39:25,424 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [7] total 10 [2024-10-14 20:39:25,424 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1798119468] [2024-10-14 20:39:25,425 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:39:25,425 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 20:39:25,425 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:39:25,425 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 20:39:25,426 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2024-10-14 20:39:25,426 INFO L87 Difference]: Start difference. First operand 304 states and 432 transitions. Second operand has 5 states, 4 states have (on average 4.0) internal successors, (16), 5 states have internal predecessors, (16), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-10-14 20:39:26,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:39:26,282 INFO L93 Difference]: Finished difference Result 385 states and 452 transitions. [2024-10-14 20:39:26,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-14 20:39:26,283 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.0) internal successors, (16), 5 states have internal predecessors, (16), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 43 [2024-10-14 20:39:26,283 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:39:26,284 INFO L225 Difference]: With dead ends: 385 [2024-10-14 20:39:26,284 INFO L226 Difference]: Without dead ends: 384 [2024-10-14 20:39:26,284 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=143, Unknown=0, NotChecked=0, Total=182 [2024-10-14 20:39:26,285 INFO L432 NwaCegarLoop]: 93 mSDtfsCounter, 468 mSDsluCounter, 188 mSDsCounter, 0 mSdLazyCounter, 242 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 473 SdHoareTripleChecker+Valid, 281 SdHoareTripleChecker+Invalid, 265 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 242 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-10-14 20:39:26,285 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [473 Valid, 281 Invalid, 265 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 242 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-10-14 20:39:26,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 384 states. [2024-10-14 20:39:26,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 384 to 304. [2024-10-14 20:39:26,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 304 states, 219 states have (on average 1.7579908675799087) internal successors, (385), 278 states have internal predecessors, (385), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-10-14 20:39:26,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 304 states and 431 transitions. [2024-10-14 20:39:26,303 INFO L78 Accepts]: Start accepts. Automaton has 304 states and 431 transitions. Word has length 43 [2024-10-14 20:39:26,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:39:26,304 INFO L471 AbstractCegarLoop]: Abstraction has 304 states and 431 transitions. [2024-10-14 20:39:26,304 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.0) internal successors, (16), 5 states have internal predecessors, (16), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-10-14 20:39:26,305 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 431 transitions. [2024-10-14 20:39:26,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-10-14 20:39:26,306 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:39:26,306 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:39:26,325 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-10-14 20:39:26,507 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:39:26,507 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr55ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-10-14 20:39:26,507 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:39:26,508 INFO L85 PathProgramCache]: Analyzing trace with hash 306107257, now seen corresponding path program 1 times [2024-10-14 20:39:26,508 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:39:26,508 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1316283193] [2024-10-14 20:39:26,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:39:26,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:39:26,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:26,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 20:39:26,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:26,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 20:39:26,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:26,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-14 20:39:26,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:26,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-14 20:39:26,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:26,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-14 20:39:26,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:26,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-14 20:39:26,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:26,595 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 9 proven. 6 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-10-14 20:39:26,595 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:39:26,595 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1316283193] [2024-10-14 20:39:26,595 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1316283193] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:39:26,595 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [96402042] [2024-10-14 20:39:26,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:39:26,595 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:39:26,596 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:39:26,597 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 20:39:26,598 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-10-14 20:39:26,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:26,640 INFO L255 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-14 20:39:26,642 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:39:26,691 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-10-14 20:39:26,691 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 20:39:26,691 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [96402042] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:39:26,691 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-14 20:39:26,692 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2024-10-14 20:39:26,692 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [979008407] [2024-10-14 20:39:26,692 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:39:26,692 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 20:39:26,692 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:39:26,693 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 20:39:26,693 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-10-14 20:39:26,693 INFO L87 Difference]: Start difference. First operand 304 states and 431 transitions. Second operand has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-10-14 20:39:27,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:39:27,241 INFO L93 Difference]: Finished difference Result 322 states and 451 transitions. [2024-10-14 20:39:27,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 20:39:27,242 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 43 [2024-10-14 20:39:27,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:39:27,243 INFO L225 Difference]: With dead ends: 322 [2024-10-14 20:39:27,243 INFO L226 Difference]: Without dead ends: 321 [2024-10-14 20:39:27,244 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-10-14 20:39:27,244 INFO L432 NwaCegarLoop]: 78 mSDtfsCounter, 58 mSDsluCounter, 122 mSDsCounter, 0 mSdLazyCounter, 276 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 200 SdHoareTripleChecker+Invalid, 276 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 276 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-14 20:39:27,245 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 200 Invalid, 276 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 276 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-14 20:39:27,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 321 states. [2024-10-14 20:39:27,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 321 to 305. [2024-10-14 20:39:27,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 305 states, 220 states have (on average 1.7545454545454546) internal successors, (386), 279 states have internal predecessors, (386), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-10-14 20:39:27,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 305 states and 432 transitions. [2024-10-14 20:39:27,268 INFO L78 Accepts]: Start accepts. Automaton has 305 states and 432 transitions. Word has length 43 [2024-10-14 20:39:27,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:39:27,269 INFO L471 AbstractCegarLoop]: Abstraction has 305 states and 432 transitions. [2024-10-14 20:39:27,269 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-10-14 20:39:27,269 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 432 transitions. [2024-10-14 20:39:27,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-10-14 20:39:27,269 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:39:27,270 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:39:27,283 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-10-14 20:39:27,470 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:39:27,471 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-10-14 20:39:27,471 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:39:27,471 INFO L85 PathProgramCache]: Analyzing trace with hash 847858100, now seen corresponding path program 1 times [2024-10-14 20:39:27,472 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:39:27,472 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1797210835] [2024-10-14 20:39:27,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:39:27,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:39:27,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 20:39:27,479 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1951855356] [2024-10-14 20:39:27,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:39:27,480 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:39:27,480 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:39:27,482 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 20:39:27,484 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-10-14 20:39:27,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:27,527 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-14 20:39:27,528 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:39:27,571 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-10-14 20:39:27,572 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 20:39:27,572 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:39:27,572 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1797210835] [2024-10-14 20:39:27,572 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-14 20:39:27,572 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1951855356] [2024-10-14 20:39:27,572 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1951855356] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:39:27,572 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 20:39:27,572 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-14 20:39:27,572 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [997941389] [2024-10-14 20:39:27,572 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:39:27,573 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 20:39:27,573 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:39:27,573 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 20:39:27,573 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-14 20:39:27,574 INFO L87 Difference]: Start difference. First operand 305 states and 432 transitions. Second operand has 5 states, 4 states have (on average 4.25) internal successors, (17), 5 states have internal predecessors, (17), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-10-14 20:39:28,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:39:28,371 INFO L93 Difference]: Finished difference Result 384 states and 450 transitions. [2024-10-14 20:39:28,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-14 20:39:28,371 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.25) internal successors, (17), 5 states have internal predecessors, (17), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 44 [2024-10-14 20:39:28,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:39:28,373 INFO L225 Difference]: With dead ends: 384 [2024-10-14 20:39:28,373 INFO L226 Difference]: Without dead ends: 383 [2024-10-14 20:39:28,373 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-10-14 20:39:28,373 INFO L432 NwaCegarLoop]: 94 mSDtfsCounter, 462 mSDsluCounter, 192 mSDsCounter, 0 mSdLazyCounter, 244 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 467 SdHoareTripleChecker+Valid, 286 SdHoareTripleChecker+Invalid, 267 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 244 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-10-14 20:39:28,374 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [467 Valid, 286 Invalid, 267 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 244 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-10-14 20:39:28,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 383 states. [2024-10-14 20:39:28,385 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 383 to 305. [2024-10-14 20:39:28,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 305 states, 220 states have (on average 1.75) internal successors, (385), 279 states have internal predecessors, (385), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-10-14 20:39:28,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 305 states and 431 transitions. [2024-10-14 20:39:28,387 INFO L78 Accepts]: Start accepts. Automaton has 305 states and 431 transitions. Word has length 44 [2024-10-14 20:39:28,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:39:28,388 INFO L471 AbstractCegarLoop]: Abstraction has 305 states and 431 transitions. [2024-10-14 20:39:28,388 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.25) internal successors, (17), 5 states have internal predecessors, (17), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-10-14 20:39:28,389 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 431 transitions. [2024-10-14 20:39:28,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-10-14 20:39:28,389 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:39:28,389 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:39:28,405 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-10-14 20:39:28,591 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2024-10-14 20:39:28,592 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr56ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-10-14 20:39:28,592 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:39:28,592 INFO L85 PathProgramCache]: Analyzing trace with hash 899390568, now seen corresponding path program 1 times [2024-10-14 20:39:28,592 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:39:28,593 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1849511156] [2024-10-14 20:39:28,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:39:28,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:39:28,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:28,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 20:39:28,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:28,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 20:39:28,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:28,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-14 20:39:28,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:28,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-14 20:39:28,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:28,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-14 20:39:28,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:28,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-14 20:39:28,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:28,664 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 9 proven. 6 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-10-14 20:39:28,664 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:39:28,664 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1849511156] [2024-10-14 20:39:28,665 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1849511156] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:39:28,665 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1472267390] [2024-10-14 20:39:28,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:39:28,665 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:39:28,665 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:39:28,669 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 20:39:28,671 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-10-14 20:39:28,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:28,704 INFO L255 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-14 20:39:28,705 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:39:28,743 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-10-14 20:39:28,743 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 20:39:28,743 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1472267390] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:39:28,743 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-14 20:39:28,744 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2024-10-14 20:39:28,744 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [627871105] [2024-10-14 20:39:28,744 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:39:28,744 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 20:39:28,744 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:39:28,744 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 20:39:28,745 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-10-14 20:39:28,745 INFO L87 Difference]: Start difference. First operand 305 states and 431 transitions. Second operand has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-10-14 20:39:29,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:39:29,740 INFO L93 Difference]: Finished difference Result 354 states and 459 transitions. [2024-10-14 20:39:29,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 20:39:29,741 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 44 [2024-10-14 20:39:29,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:39:29,742 INFO L225 Difference]: With dead ends: 354 [2024-10-14 20:39:29,742 INFO L226 Difference]: Without dead ends: 350 [2024-10-14 20:39:29,742 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-10-14 20:39:29,743 INFO L432 NwaCegarLoop]: 111 mSDtfsCounter, 147 mSDsluCounter, 114 mSDsCounter, 0 mSdLazyCounter, 164 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 154 SdHoareTripleChecker+Valid, 225 SdHoareTripleChecker+Invalid, 171 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 164 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-10-14 20:39:29,743 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [154 Valid, 225 Invalid, 171 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 164 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-10-14 20:39:29,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 350 states. [2024-10-14 20:39:29,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 350 to 306. [2024-10-14 20:39:29,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 306 states, 221 states have (on average 1.7239819004524888) internal successors, (381), 280 states have internal predecessors, (381), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-10-14 20:39:29,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 306 states and 427 transitions. [2024-10-14 20:39:29,752 INFO L78 Accepts]: Start accepts. Automaton has 306 states and 427 transitions. Word has length 44 [2024-10-14 20:39:29,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:39:29,752 INFO L471 AbstractCegarLoop]: Abstraction has 306 states and 427 transitions. [2024-10-14 20:39:29,753 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-10-14 20:39:29,753 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 427 transitions. [2024-10-14 20:39:29,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-10-14 20:39:29,753 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:39:29,753 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:39:29,765 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-10-14 20:39:29,954 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-10-14 20:39:29,954 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr57ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-10-14 20:39:29,955 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:39:29,955 INFO L85 PathProgramCache]: Analyzing trace with hash 2111304027, now seen corresponding path program 1 times [2024-10-14 20:39:29,955 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:39:29,955 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [157986096] [2024-10-14 20:39:29,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:39:29,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:39:29,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:30,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 20:39:30,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:30,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 20:39:30,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:30,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-14 20:39:30,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:30,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-14 20:39:30,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:30,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-14 20:39:30,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:30,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-14 20:39:30,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:30,025 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 9 proven. 6 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-10-14 20:39:30,025 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:39:30,025 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [157986096] [2024-10-14 20:39:30,025 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [157986096] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:39:30,025 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1658754980] [2024-10-14 20:39:30,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:39:30,026 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:39:30,026 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:39:30,027 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 20:39:30,029 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-10-14 20:39:30,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:30,061 INFO L255 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-14 20:39:30,061 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:39:30,217 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-10-14 20:39:30,217 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 20:39:30,217 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1658754980] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:39:30,217 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-14 20:39:30,218 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2024-10-14 20:39:30,218 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1057409722] [2024-10-14 20:39:30,218 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:39:30,219 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 20:39:30,219 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:39:30,219 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 20:39:30,219 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-10-14 20:39:30,219 INFO L87 Difference]: Start difference. First operand 306 states and 427 transitions. Second operand has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-10-14 20:39:31,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:39:31,510 INFO L93 Difference]: Finished difference Result 353 states and 453 transitions. [2024-10-14 20:39:31,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 20:39:31,510 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 45 [2024-10-14 20:39:31,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:39:31,512 INFO L225 Difference]: With dead ends: 353 [2024-10-14 20:39:31,512 INFO L226 Difference]: Without dead ends: 349 [2024-10-14 20:39:31,512 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-10-14 20:39:31,512 INFO L432 NwaCegarLoop]: 117 mSDtfsCounter, 95 mSDsluCounter, 158 mSDsCounter, 0 mSdLazyCounter, 234 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 102 SdHoareTripleChecker+Valid, 275 SdHoareTripleChecker+Invalid, 238 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 234 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-10-14 20:39:31,512 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [102 Valid, 275 Invalid, 238 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 234 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-10-14 20:39:31,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 349 states. [2024-10-14 20:39:31,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 349 to 307. [2024-10-14 20:39:31,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 307 states, 222 states have (on average 1.6981981981981982) internal successors, (377), 281 states have internal predecessors, (377), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-10-14 20:39:31,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 307 states and 423 transitions. [2024-10-14 20:39:31,520 INFO L78 Accepts]: Start accepts. Automaton has 307 states and 423 transitions. Word has length 45 [2024-10-14 20:39:31,521 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:39:31,521 INFO L471 AbstractCegarLoop]: Abstraction has 307 states and 423 transitions. [2024-10-14 20:39:31,521 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-10-14 20:39:31,521 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 423 transitions. [2024-10-14 20:39:31,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-10-14 20:39:31,521 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:39:31,522 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:39:31,546 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-10-14 20:39:31,739 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-10-14 20:39:31,740 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-10-14 20:39:31,740 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:39:31,740 INFO L85 PathProgramCache]: Analyzing trace with hash -251836423, now seen corresponding path program 1 times [2024-10-14 20:39:31,740 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:39:31,740 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [300145222] [2024-10-14 20:39:31,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:39:31,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:39:31,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 20:39:31,760 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1153113139] [2024-10-14 20:39:31,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:39:31,760 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:39:31,760 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:39:31,763 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 20:39:31,768 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-10-14 20:39:31,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:31,825 INFO L255 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-14 20:39:31,827 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:39:31,850 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-10-14 20:39:31,850 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 20:39:31,850 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:39:31,851 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [300145222] [2024-10-14 20:39:31,851 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-14 20:39:31,851 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1153113139] [2024-10-14 20:39:31,851 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1153113139] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:39:31,854 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 20:39:31,854 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 20:39:31,854 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [345672343] [2024-10-14 20:39:31,854 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:39:31,854 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 20:39:31,855 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:39:31,855 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 20:39:31,855 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 20:39:31,855 INFO L87 Difference]: Start difference. First operand 307 states and 423 transitions. Second operand has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-10-14 20:39:32,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:39:32,078 INFO L93 Difference]: Finished difference Result 355 states and 447 transitions. [2024-10-14 20:39:32,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 20:39:32,079 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 50 [2024-10-14 20:39:32,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:39:32,082 INFO L225 Difference]: With dead ends: 355 [2024-10-14 20:39:32,082 INFO L226 Difference]: Without dead ends: 351 [2024-10-14 20:39:32,083 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 20:39:32,083 INFO L432 NwaCegarLoop]: 148 mSDtfsCounter, 84 mSDsluCounter, 137 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 88 SdHoareTripleChecker+Valid, 285 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-14 20:39:32,084 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [88 Valid, 285 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-14 20:39:32,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 351 states. [2024-10-14 20:39:32,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 351 to 312. [2024-10-14 20:39:32,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 312 states, 226 states have (on average 1.676991150442478) internal successors, (379), 285 states have internal predecessors, (379), 24 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-10-14 20:39:32,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 312 states and 427 transitions. [2024-10-14 20:39:32,104 INFO L78 Accepts]: Start accepts. Automaton has 312 states and 427 transitions. Word has length 50 [2024-10-14 20:39:32,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:39:32,104 INFO L471 AbstractCegarLoop]: Abstraction has 312 states and 427 transitions. [2024-10-14 20:39:32,104 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-10-14 20:39:32,104 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 427 transitions. [2024-10-14 20:39:32,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-10-14 20:39:32,105 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:39:32,105 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:39:32,133 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-10-14 20:39:32,311 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-10-14 20:39:32,311 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr58ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-10-14 20:39:32,312 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:39:32,312 INFO L85 PathProgramCache]: Analyzing trace with hash -901112636, now seen corresponding path program 1 times [2024-10-14 20:39:32,312 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:39:32,312 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [998662161] [2024-10-14 20:39:32,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:39:32,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:39:32,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:32,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 20:39:32,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:32,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 20:39:32,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:32,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-14 20:39:32,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:32,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-14 20:39:32,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:32,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-14 20:39:32,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:32,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-14 20:39:32,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:32,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-14 20:39:32,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:32,405 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 9 proven. 6 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-10-14 20:39:32,405 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:39:32,405 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [998662161] [2024-10-14 20:39:32,405 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [998662161] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:39:32,405 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [799279272] [2024-10-14 20:39:32,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:39:32,406 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:39:32,406 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:39:32,407 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 20:39:32,409 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-10-14 20:39:32,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:32,443 INFO L255 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-14 20:39:32,444 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:39:32,519 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-10-14 20:39:32,519 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 20:39:32,519 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [799279272] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:39:32,519 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-14 20:39:32,519 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2024-10-14 20:39:32,519 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1060651727] [2024-10-14 20:39:32,519 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:39:32,520 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 20:39:32,520 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:39:32,520 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 20:39:32,520 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-10-14 20:39:32,520 INFO L87 Difference]: Start difference. First operand 312 states and 427 transitions. Second operand has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-10-14 20:39:32,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:39:32,883 INFO L93 Difference]: Finished difference Result 333 states and 431 transitions. [2024-10-14 20:39:32,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 20:39:32,883 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 51 [2024-10-14 20:39:32,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:39:32,885 INFO L225 Difference]: With dead ends: 333 [2024-10-14 20:39:32,885 INFO L226 Difference]: Without dead ends: 331 [2024-10-14 20:39:32,885 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-10-14 20:39:32,885 INFO L432 NwaCegarLoop]: 105 mSDtfsCounter, 231 mSDsluCounter, 92 mSDsCounter, 0 mSdLazyCounter, 118 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 240 SdHoareTripleChecker+Valid, 197 SdHoareTripleChecker+Invalid, 123 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 118 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-14 20:39:32,886 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [240 Valid, 197 Invalid, 123 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 118 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-14 20:39:32,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 331 states. [2024-10-14 20:39:32,892 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 331 to 312. [2024-10-14 20:39:32,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 312 states, 226 states have (on average 1.663716814159292) internal successors, (376), 285 states have internal predecessors, (376), 24 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-10-14 20:39:32,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 312 states and 424 transitions. [2024-10-14 20:39:32,894 INFO L78 Accepts]: Start accepts. Automaton has 312 states and 424 transitions. Word has length 51 [2024-10-14 20:39:32,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:39:32,894 INFO L471 AbstractCegarLoop]: Abstraction has 312 states and 424 transitions. [2024-10-14 20:39:32,894 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-10-14 20:39:32,894 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 424 transitions. [2024-10-14 20:39:32,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-10-14 20:39:32,895 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:39:32,895 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:39:32,911 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2024-10-14 20:39:33,098 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-10-14 20:39:33,099 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr59ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-10-14 20:39:33,099 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:39:33,099 INFO L85 PathProgramCache]: Analyzing trace with hash 2130279556, now seen corresponding path program 1 times [2024-10-14 20:39:33,099 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:39:33,099 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [346145000] [2024-10-14 20:39:33,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:39:33,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:39:33,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:33,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 20:39:33,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:33,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 20:39:33,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:33,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-14 20:39:33,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:33,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-14 20:39:33,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:33,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-14 20:39:33,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:33,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-14 20:39:33,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:33,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-14 20:39:33,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:33,184 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 9 proven. 6 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-10-14 20:39:33,185 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:39:33,185 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [346145000] [2024-10-14 20:39:33,185 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [346145000] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:39:33,185 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1433072133] [2024-10-14 20:39:33,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:39:33,185 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:39:33,185 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:39:33,186 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 20:39:33,189 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-10-14 20:39:33,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:33,223 INFO L255 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-14 20:39:33,224 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:39:33,280 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-10-14 20:39:33,280 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 20:39:33,280 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1433072133] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:39:33,280 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-14 20:39:33,281 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2024-10-14 20:39:33,281 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1469212711] [2024-10-14 20:39:33,281 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:39:33,281 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 20:39:33,281 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:39:33,281 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 20:39:33,281 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-10-14 20:39:33,281 INFO L87 Difference]: Start difference. First operand 312 states and 424 transitions. Second operand has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-10-14 20:39:33,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:39:33,555 INFO L93 Difference]: Finished difference Result 333 states and 428 transitions. [2024-10-14 20:39:33,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 20:39:33,555 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 52 [2024-10-14 20:39:33,555 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:39:33,556 INFO L225 Difference]: With dead ends: 333 [2024-10-14 20:39:33,556 INFO L226 Difference]: Without dead ends: 331 [2024-10-14 20:39:33,557 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-10-14 20:39:33,557 INFO L432 NwaCegarLoop]: 105 mSDtfsCounter, 229 mSDsluCounter, 92 mSDsCounter, 0 mSdLazyCounter, 118 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 238 SdHoareTripleChecker+Valid, 197 SdHoareTripleChecker+Invalid, 123 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 118 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-14 20:39:33,557 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [238 Valid, 197 Invalid, 123 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 118 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-14 20:39:33,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 331 states. [2024-10-14 20:39:33,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 331 to 312. [2024-10-14 20:39:33,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 312 states, 226 states have (on average 1.6504424778761062) internal successors, (373), 285 states have internal predecessors, (373), 24 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-10-14 20:39:33,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 312 states and 421 transitions. [2024-10-14 20:39:33,566 INFO L78 Accepts]: Start accepts. Automaton has 312 states and 421 transitions. Word has length 52 [2024-10-14 20:39:33,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:39:33,566 INFO L471 AbstractCegarLoop]: Abstraction has 312 states and 421 transitions. [2024-10-14 20:39:33,566 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-10-14 20:39:33,566 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 421 transitions. [2024-10-14 20:39:33,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-10-14 20:39:33,567 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:39:33,567 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:39:33,580 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-10-14 20:39:33,771 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-10-14 20:39:33,772 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-10-14 20:39:33,773 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:39:33,774 INFO L85 PathProgramCache]: Analyzing trace with hash 551428221, now seen corresponding path program 1 times [2024-10-14 20:39:33,774 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:39:33,774 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1570681112] [2024-10-14 20:39:33,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:39:33,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:39:33,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 20:39:33,786 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1599747243] [2024-10-14 20:39:33,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:39:33,786 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:39:33,786 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:39:33,789 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 20:39:33,791 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-10-14 20:39:33,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:33,844 INFO L255 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-14 20:39:33,845 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:39:33,876 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-10-14 20:39:33,876 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 20:39:33,876 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:39:33,876 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1570681112] [2024-10-14 20:39:33,876 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-14 20:39:33,876 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1599747243] [2024-10-14 20:39:33,876 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1599747243] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:39:33,876 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 20:39:33,876 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-14 20:39:33,876 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1523274534] [2024-10-14 20:39:33,877 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:39:33,877 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 20:39:33,877 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:39:33,877 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 20:39:33,877 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-14 20:39:33,877 INFO L87 Difference]: Start difference. First operand 312 states and 421 transitions. Second operand has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-10-14 20:39:34,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:39:34,364 INFO L93 Difference]: Finished difference Result 349 states and 435 transitions. [2024-10-14 20:39:34,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 20:39:34,365 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 54 [2024-10-14 20:39:34,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:39:34,366 INFO L225 Difference]: With dead ends: 349 [2024-10-14 20:39:34,367 INFO L226 Difference]: Without dead ends: 347 [2024-10-14 20:39:34,367 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-14 20:39:34,367 INFO L432 NwaCegarLoop]: 132 mSDtfsCounter, 137 mSDsluCounter, 155 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 287 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-14 20:39:34,368 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [142 Valid, 287 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-14 20:39:34,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 347 states. [2024-10-14 20:39:34,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 347 to 313. [2024-10-14 20:39:34,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 313 states, 227 states have (on average 1.6387665198237886) internal successors, (372), 286 states have internal predecessors, (372), 24 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-10-14 20:39:34,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 313 states and 420 transitions. [2024-10-14 20:39:34,382 INFO L78 Accepts]: Start accepts. Automaton has 313 states and 420 transitions. Word has length 54 [2024-10-14 20:39:34,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:39:34,382 INFO L471 AbstractCegarLoop]: Abstraction has 313 states and 420 transitions. [2024-10-14 20:39:34,382 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-10-14 20:39:34,382 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 420 transitions. [2024-10-14 20:39:34,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-10-14 20:39:34,383 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:39:34,383 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:39:34,395 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2024-10-14 20:39:34,587 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:39:34,588 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-10-14 20:39:34,588 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:39:34,588 INFO L85 PathProgramCache]: Analyzing trace with hash -85594241, now seen corresponding path program 1 times [2024-10-14 20:39:34,589 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:39:34,589 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [426729178] [2024-10-14 20:39:34,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:39:34,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:39:34,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 20:39:34,603 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1006588993] [2024-10-14 20:39:34,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:39:34,603 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:39:34,603 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:39:34,604 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 20:39:34,612 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-10-14 20:39:34,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:34,655 INFO L255 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-14 20:39:34,657 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:39:34,784 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-10-14 20:39:34,786 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 20:39:34,786 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:39:34,787 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [426729178] [2024-10-14 20:39:34,787 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-14 20:39:34,787 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1006588993] [2024-10-14 20:39:34,787 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1006588993] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:39:34,787 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 20:39:34,787 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-14 20:39:34,787 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [321533259] [2024-10-14 20:39:34,787 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:39:34,788 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 20:39:34,788 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:39:34,788 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 20:39:34,788 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-14 20:39:34,788 INFO L87 Difference]: Start difference. First operand 313 states and 420 transitions. Second operand has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-10-14 20:39:35,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:39:35,151 INFO L93 Difference]: Finished difference Result 349 states and 432 transitions. [2024-10-14 20:39:35,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 20:39:35,151 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 55 [2024-10-14 20:39:35,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:39:35,153 INFO L225 Difference]: With dead ends: 349 [2024-10-14 20:39:35,153 INFO L226 Difference]: Without dead ends: 334 [2024-10-14 20:39:35,153 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-14 20:39:35,154 INFO L432 NwaCegarLoop]: 136 mSDtfsCounter, 135 mSDsluCounter, 155 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 140 SdHoareTripleChecker+Valid, 291 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-14 20:39:35,154 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [140 Valid, 291 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-14 20:39:35,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 334 states. [2024-10-14 20:39:35,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 334 to 301. [2024-10-14 20:39:35,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 301 states, 216 states have (on average 1.6574074074074074) internal successors, (358), 275 states have internal predecessors, (358), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-10-14 20:39:35,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 301 states and 404 transitions. [2024-10-14 20:39:35,165 INFO L78 Accepts]: Start accepts. Automaton has 301 states and 404 transitions. Word has length 55 [2024-10-14 20:39:35,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:39:35,165 INFO L471 AbstractCegarLoop]: Abstraction has 301 states and 404 transitions. [2024-10-14 20:39:35,165 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-10-14 20:39:35,166 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 404 transitions. [2024-10-14 20:39:35,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-10-14 20:39:35,166 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:39:35,166 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:39:35,181 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2024-10-14 20:39:35,366 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-10-14 20:39:35,367 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-10-14 20:39:35,367 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:39:35,367 INFO L85 PathProgramCache]: Analyzing trace with hash -793094161, now seen corresponding path program 1 times [2024-10-14 20:39:35,367 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:39:35,367 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1489803999] [2024-10-14 20:39:35,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:39:35,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:39:35,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 20:39:35,381 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1934764760] [2024-10-14 20:39:35,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:39:35,381 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:39:35,381 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:39:35,386 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 20:39:35,387 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-10-14 20:39:35,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:35,425 INFO L255 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-14 20:39:35,426 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:39:35,507 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-10-14 20:39:35,507 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 20:39:35,507 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:39:35,507 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1489803999] [2024-10-14 20:39:35,507 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-14 20:39:35,507 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1934764760] [2024-10-14 20:39:35,507 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1934764760] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:39:35,507 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 20:39:35,507 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-14 20:39:35,507 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [10429312] [2024-10-14 20:39:35,507 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:39:35,508 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 20:39:35,508 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:39:35,508 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 20:39:35,508 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-14 20:39:35,508 INFO L87 Difference]: Start difference. First operand 301 states and 404 transitions. Second operand has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-10-14 20:39:35,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:39:35,820 INFO L93 Difference]: Finished difference Result 325 states and 425 transitions. [2024-10-14 20:39:35,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 20:39:35,821 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 63 [2024-10-14 20:39:35,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:39:35,822 INFO L225 Difference]: With dead ends: 325 [2024-10-14 20:39:35,822 INFO L226 Difference]: Without dead ends: 324 [2024-10-14 20:39:35,822 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-14 20:39:35,822 INFO L432 NwaCegarLoop]: 83 mSDtfsCounter, 207 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 160 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 214 SdHoareTripleChecker+Valid, 155 SdHoareTripleChecker+Invalid, 162 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 160 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-14 20:39:35,822 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [214 Valid, 155 Invalid, 162 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 160 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-14 20:39:35,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 324 states. [2024-10-14 20:39:35,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 324 to 301. [2024-10-14 20:39:35,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 301 states, 216 states have (on average 1.6527777777777777) internal successors, (357), 275 states have internal predecessors, (357), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-10-14 20:39:35,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 301 states and 403 transitions. [2024-10-14 20:39:35,831 INFO L78 Accepts]: Start accepts. Automaton has 301 states and 403 transitions. Word has length 63 [2024-10-14 20:39:35,831 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:39:35,831 INFO L471 AbstractCegarLoop]: Abstraction has 301 states and 403 transitions. [2024-10-14 20:39:35,831 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-10-14 20:39:35,831 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 403 transitions. [2024-10-14 20:39:35,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-10-14 20:39:35,832 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:39:35,832 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:39:35,844 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2024-10-14 20:39:36,032 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-10-14 20:39:36,033 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-10-14 20:39:36,033 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:39:36,033 INFO L85 PathProgramCache]: Analyzing trace with hash 1183884886, now seen corresponding path program 1 times [2024-10-14 20:39:36,033 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:39:36,033 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1381189419] [2024-10-14 20:39:36,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:39:36,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:39:36,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 20:39:36,045 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2051323347] [2024-10-14 20:39:36,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:39:36,045 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:39:36,045 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:39:36,048 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 20:39:36,049 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-10-14 20:39:36,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:36,088 INFO L255 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-14 20:39:36,089 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:39:36,150 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-10-14 20:39:36,150 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 20:39:36,150 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:39:36,151 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1381189419] [2024-10-14 20:39:36,151 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-14 20:39:36,151 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2051323347] [2024-10-14 20:39:36,151 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2051323347] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:39:36,151 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 20:39:36,151 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-14 20:39:36,151 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2147182488] [2024-10-14 20:39:36,151 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:39:36,151 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 20:39:36,151 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:39:36,152 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 20:39:36,152 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-14 20:39:36,152 INFO L87 Difference]: Start difference. First operand 301 states and 403 transitions. Second operand has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 states have internal predecessors, (30), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-10-14 20:39:36,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:39:36,436 INFO L93 Difference]: Finished difference Result 325 states and 424 transitions. [2024-10-14 20:39:36,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 20:39:36,436 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 states have internal predecessors, (30), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 64 [2024-10-14 20:39:36,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:39:36,437 INFO L225 Difference]: With dead ends: 325 [2024-10-14 20:39:36,437 INFO L226 Difference]: Without dead ends: 324 [2024-10-14 20:39:36,438 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-14 20:39:36,438 INFO L432 NwaCegarLoop]: 83 mSDtfsCounter, 158 mSDsluCounter, 90 mSDsCounter, 0 mSdLazyCounter, 187 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 165 SdHoareTripleChecker+Valid, 173 SdHoareTripleChecker+Invalid, 187 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 187 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-14 20:39:36,438 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [165 Valid, 173 Invalid, 187 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 187 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-14 20:39:36,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 324 states. [2024-10-14 20:39:36,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 324 to 301. [2024-10-14 20:39:36,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 301 states, 216 states have (on average 1.6481481481481481) internal successors, (356), 275 states have internal predecessors, (356), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-10-14 20:39:36,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 301 states and 402 transitions. [2024-10-14 20:39:36,446 INFO L78 Accepts]: Start accepts. Automaton has 301 states and 402 transitions. Word has length 64 [2024-10-14 20:39:36,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:39:36,447 INFO L471 AbstractCegarLoop]: Abstraction has 301 states and 402 transitions. [2024-10-14 20:39:36,447 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 states have internal predecessors, (30), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-10-14 20:39:36,447 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 402 transitions. [2024-10-14 20:39:36,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-10-14 20:39:36,447 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:39:36,447 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:39:36,460 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2024-10-14 20:39:36,651 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-10-14 20:39:36,652 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-10-14 20:39:36,652 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:39:36,652 INFO L85 PathProgramCache]: Analyzing trace with hash -1511060975, now seen corresponding path program 1 times [2024-10-14 20:39:36,652 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:39:36,652 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1833271500] [2024-10-14 20:39:36,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:39:36,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:39:36,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 20:39:36,665 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [626929268] [2024-10-14 20:39:36,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:39:36,665 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:39:36,665 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:39:36,666 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 20:39:36,669 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-10-14 20:39:36,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:36,709 INFO L255 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-14 20:39:36,710 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:39:36,832 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2024-10-14 20:39:36,832 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 20:39:36,833 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:39:36,833 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1833271500] [2024-10-14 20:39:36,833 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-14 20:39:36,833 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [626929268] [2024-10-14 20:39:36,833 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [626929268] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:39:36,833 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 20:39:36,833 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-14 20:39:36,833 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [7999704] [2024-10-14 20:39:36,833 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:39:36,833 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 20:39:36,834 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:39:36,834 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 20:39:36,834 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-14 20:39:36,834 INFO L87 Difference]: Start difference. First operand 301 states and 402 transitions. Second operand has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-10-14 20:39:37,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:39:37,140 INFO L93 Difference]: Finished difference Result 327 states and 423 transitions. [2024-10-14 20:39:37,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 20:39:37,141 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 74 [2024-10-14 20:39:37,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:39:37,142 INFO L225 Difference]: With dead ends: 327 [2024-10-14 20:39:37,142 INFO L226 Difference]: Without dead ends: 326 [2024-10-14 20:39:37,142 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-14 20:39:37,143 INFO L432 NwaCegarLoop]: 122 mSDtfsCounter, 88 mSDsluCounter, 103 mSDsCounter, 0 mSdLazyCounter, 94 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 225 SdHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 94 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-14 20:39:37,143 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [89 Valid, 225 Invalid, 95 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 94 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-14 20:39:37,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 326 states. [2024-10-14 20:39:37,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 326 to 301. [2024-10-14 20:39:37,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 301 states, 216 states have (on average 1.6388888888888888) internal successors, (354), 275 states have internal predecessors, (354), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-10-14 20:39:37,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 301 states and 400 transitions. [2024-10-14 20:39:37,155 INFO L78 Accepts]: Start accepts. Automaton has 301 states and 400 transitions. Word has length 74 [2024-10-14 20:39:37,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:39:37,155 INFO L471 AbstractCegarLoop]: Abstraction has 301 states and 400 transitions. [2024-10-14 20:39:37,155 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-10-14 20:39:37,155 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 400 transitions. [2024-10-14 20:39:37,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2024-10-14 20:39:37,156 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:39:37,156 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:39:37,168 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2024-10-14 20:39:37,356 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:39:37,356 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-10-14 20:39:37,357 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:39:37,357 INFO L85 PathProgramCache]: Analyzing trace with hash 401750145, now seen corresponding path program 1 times [2024-10-14 20:39:37,357 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:39:37,357 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1549498625] [2024-10-14 20:39:37,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:39:37,357 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:39:37,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 20:39:37,367 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2038954500] [2024-10-14 20:39:37,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:39:37,367 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:39:37,368 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:39:37,369 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 20:39:37,372 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-10-14 20:39:37,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:37,413 INFO L255 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-14 20:39:37,414 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:39:38,466 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2024-10-14 20:39:38,466 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 20:39:38,467 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:39:38,467 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1549498625] [2024-10-14 20:39:38,467 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-14 20:39:38,467 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2038954500] [2024-10-14 20:39:38,467 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2038954500] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:39:38,467 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 20:39:38,467 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-14 20:39:38,467 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1590878338] [2024-10-14 20:39:38,467 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:39:38,467 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 20:39:38,467 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:39:38,468 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 20:39:38,468 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=5, Unknown=1, NotChecked=0, Total=12 [2024-10-14 20:39:38,468 INFO L87 Difference]: Start difference. First operand 301 states and 400 transitions. Second operand has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-10-14 20:39:39,475 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-10-14 20:39:44,431 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-10-14 20:39:44,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:39:44,653 INFO L93 Difference]: Finished difference Result 327 states and 421 transitions. [2024-10-14 20:39:44,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 20:39:44,653 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 75 [2024-10-14 20:39:44,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:39:44,654 INFO L225 Difference]: With dead ends: 327 [2024-10-14 20:39:44,654 INFO L226 Difference]: Without dead ends: 326 [2024-10-14 20:39:44,654 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=6, Invalid=5, Unknown=1, NotChecked=0, Total=12 [2024-10-14 20:39:44,655 INFO L432 NwaCegarLoop]: 123 mSDtfsCounter, 86 mSDsluCounter, 100 mSDsCounter, 0 mSdLazyCounter, 93 mSolverCounterSat, 1 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 223 SdHoareTripleChecker+Invalid, 97 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 93 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.2s IncrementalHoareTripleChecker+Time [2024-10-14 20:39:44,655 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 223 Invalid, 97 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 93 Invalid, 3 Unknown, 0 Unchecked, 6.2s Time] [2024-10-14 20:39:44,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 326 states. [2024-10-14 20:39:44,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 326 to 301. [2024-10-14 20:39:44,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 301 states, 216 states have (on average 1.6296296296296295) internal successors, (352), 275 states have internal predecessors, (352), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-10-14 20:39:44,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 301 states and 398 transitions. [2024-10-14 20:39:44,664 INFO L78 Accepts]: Start accepts. Automaton has 301 states and 398 transitions. Word has length 75 [2024-10-14 20:39:44,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:39:44,664 INFO L471 AbstractCegarLoop]: Abstraction has 301 states and 398 transitions. [2024-10-14 20:39:44,664 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-10-14 20:39:44,665 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 398 transitions. [2024-10-14 20:39:44,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-10-14 20:39:44,665 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:39:44,665 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:39:44,678 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2024-10-14 20:39:44,865 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:39:44,866 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-10-14 20:39:44,866 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:39:44,866 INFO L85 PathProgramCache]: Analyzing trace with hash -430647277, now seen corresponding path program 1 times [2024-10-14 20:39:44,866 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:39:44,866 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1982380471] [2024-10-14 20:39:44,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:39:44,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:39:44,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 20:39:44,877 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2100303121] [2024-10-14 20:39:44,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:39:44,878 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:39:44,878 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:39:44,879 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 20:39:44,880 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-10-14 20:39:44,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:44,921 INFO L255 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-14 20:39:44,922 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:39:44,961 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2024-10-14 20:39:44,962 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 20:39:44,962 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:39:44,962 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1982380471] [2024-10-14 20:39:44,962 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-14 20:39:44,962 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2100303121] [2024-10-14 20:39:44,962 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2100303121] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:39:44,962 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 20:39:44,962 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-14 20:39:44,962 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2082378572] [2024-10-14 20:39:44,962 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:39:44,963 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 20:39:44,963 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:39:44,963 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 20:39:44,963 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-14 20:39:44,963 INFO L87 Difference]: Start difference. First operand 301 states and 398 transitions. Second operand has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-10-14 20:39:45,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:39:45,770 INFO L93 Difference]: Finished difference Result 320 states and 409 transitions. [2024-10-14 20:39:45,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 20:39:45,771 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 76 [2024-10-14 20:39:45,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:39:45,772 INFO L225 Difference]: With dead ends: 320 [2024-10-14 20:39:45,772 INFO L226 Difference]: Without dead ends: 318 [2024-10-14 20:39:45,772 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-14 20:39:45,772 INFO L432 NwaCegarLoop]: 141 mSDtfsCounter, 55 mSDsluCounter, 182 mSDsCounter, 0 mSdLazyCounter, 185 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 323 SdHoareTripleChecker+Invalid, 186 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 185 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-10-14 20:39:45,773 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 323 Invalid, 186 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 185 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-10-14 20:39:45,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 318 states. [2024-10-14 20:39:45,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 318 to 301. [2024-10-14 20:39:45,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 301 states, 216 states have (on average 1.6111111111111112) internal successors, (348), 275 states have internal predecessors, (348), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-10-14 20:39:45,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 301 states and 394 transitions. [2024-10-14 20:39:45,784 INFO L78 Accepts]: Start accepts. Automaton has 301 states and 394 transitions. Word has length 76 [2024-10-14 20:39:45,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:39:45,784 INFO L471 AbstractCegarLoop]: Abstraction has 301 states and 394 transitions. [2024-10-14 20:39:45,785 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-10-14 20:39:45,785 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 394 transitions. [2024-10-14 20:39:45,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-10-14 20:39:45,785 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:39:45,785 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:39:45,798 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2024-10-14 20:39:45,985 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2024-10-14 20:39:45,986 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-10-14 20:39:45,986 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:39:45,986 INFO L85 PathProgramCache]: Analyzing trace with hash -465163581, now seen corresponding path program 1 times [2024-10-14 20:39:45,986 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:39:45,987 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [376637572] [2024-10-14 20:39:45,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:39:45,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:39:45,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 20:39:45,998 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1129817441] [2024-10-14 20:39:45,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:39:45,999 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:39:45,999 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:39:46,000 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 20:39:46,001 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2024-10-14 20:39:46,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:46,043 INFO L255 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-14 20:39:46,044 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:39:46,116 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2024-10-14 20:39:46,116 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 20:39:46,116 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:39:46,116 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [376637572] [2024-10-14 20:39:46,117 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-14 20:39:46,117 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1129817441] [2024-10-14 20:39:46,117 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1129817441] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:39:46,117 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 20:39:46,117 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-14 20:39:46,117 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [77928003] [2024-10-14 20:39:46,117 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:39:46,117 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 20:39:46,117 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:39:46,118 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 20:39:46,118 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-14 20:39:46,118 INFO L87 Difference]: Start difference. First operand 301 states and 394 transitions. Second operand has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-10-14 20:39:46,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:39:46,550 INFO L93 Difference]: Finished difference Result 320 states and 405 transitions. [2024-10-14 20:39:46,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 20:39:46,550 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 77 [2024-10-14 20:39:46,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:39:46,551 INFO L225 Difference]: With dead ends: 320 [2024-10-14 20:39:46,551 INFO L226 Difference]: Without dead ends: 318 [2024-10-14 20:39:46,552 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-14 20:39:46,552 INFO L432 NwaCegarLoop]: 144 mSDtfsCounter, 90 mSDsluCounter, 119 mSDsCounter, 0 mSdLazyCounter, 114 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 94 SdHoareTripleChecker+Valid, 263 SdHoareTripleChecker+Invalid, 116 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 114 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-14 20:39:46,552 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [94 Valid, 263 Invalid, 116 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 114 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-14 20:39:46,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 318 states. [2024-10-14 20:39:46,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 318 to 301. [2024-10-14 20:39:46,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 301 states, 216 states have (on average 1.5925925925925926) internal successors, (344), 275 states have internal predecessors, (344), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-10-14 20:39:46,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 301 states and 390 transitions. [2024-10-14 20:39:46,562 INFO L78 Accepts]: Start accepts. Automaton has 301 states and 390 transitions. Word has length 77 [2024-10-14 20:39:46,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:39:46,562 INFO L471 AbstractCegarLoop]: Abstraction has 301 states and 390 transitions. [2024-10-14 20:39:46,562 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-10-14 20:39:46,562 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 390 transitions. [2024-10-14 20:39:46,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-10-14 20:39:46,563 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:39:46,563 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:39:46,575 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Ended with exit code 0 [2024-10-14 20:39:46,763 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2024-10-14 20:39:46,763 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-10-14 20:39:46,763 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:39:46,764 INFO L85 PathProgramCache]: Analyzing trace with hash -694586855, now seen corresponding path program 1 times [2024-10-14 20:39:46,764 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:39:46,764 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [203690766] [2024-10-14 20:39:46,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:39:46,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:39:46,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 20:39:46,773 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [604631525] [2024-10-14 20:39:46,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:39:46,773 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:39:46,774 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:39:46,775 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 20:39:46,776 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2024-10-14 20:39:46,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:46,818 INFO L255 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-10-14 20:39:46,820 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:39:46,933 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 9 proven. 15 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-10-14 20:39:46,933 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:39:47,079 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 9 proven. 6 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2024-10-14 20:39:47,080 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:39:47,080 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [203690766] [2024-10-14 20:39:47,080 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-14 20:39:47,080 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [604631525] [2024-10-14 20:39:47,080 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [604631525] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 20:39:47,080 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-14 20:39:47,080 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 9 [2024-10-14 20:39:47,080 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [630486333] [2024-10-14 20:39:47,080 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-14 20:39:47,081 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-14 20:39:47,081 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:39:47,081 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-14 20:39:47,081 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2024-10-14 20:39:47,082 INFO L87 Difference]: Start difference. First operand 301 states and 390 transitions. Second operand has 10 states, 8 states have (on average 10.375) internal successors, (83), 7 states have internal predecessors, (83), 4 states have call successors, (16), 1 states have call predecessors, (16), 2 states have return successors, (17), 6 states have call predecessors, (17), 4 states have call successors, (17) [2024-10-14 20:39:47,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:39:47,454 INFO L93 Difference]: Finished difference Result 319 states and 391 transitions. [2024-10-14 20:39:47,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-14 20:39:47,455 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 8 states have (on average 10.375) internal successors, (83), 7 states have internal predecessors, (83), 4 states have call successors, (16), 1 states have call predecessors, (16), 2 states have return successors, (17), 6 states have call predecessors, (17), 4 states have call successors, (17) Word has length 82 [2024-10-14 20:39:47,455 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:39:47,456 INFO L225 Difference]: With dead ends: 319 [2024-10-14 20:39:47,456 INFO L226 Difference]: Without dead ends: 318 [2024-10-14 20:39:47,456 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 153 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2024-10-14 20:39:47,456 INFO L432 NwaCegarLoop]: 95 mSDtfsCounter, 263 mSDsluCounter, 467 mSDsCounter, 0 mSdLazyCounter, 624 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 268 SdHoareTripleChecker+Valid, 562 SdHoareTripleChecker+Invalid, 632 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 624 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-14 20:39:47,456 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [268 Valid, 562 Invalid, 632 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 624 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-14 20:39:47,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 318 states. [2024-10-14 20:39:47,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 318 to 301. [2024-10-14 20:39:47,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 301 states, 216 states have (on average 1.5787037037037037) internal successors, (341), 275 states have internal predecessors, (341), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-10-14 20:39:47,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 301 states and 387 transitions. [2024-10-14 20:39:47,466 INFO L78 Accepts]: Start accepts. Automaton has 301 states and 387 transitions. Word has length 82 [2024-10-14 20:39:47,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:39:47,466 INFO L471 AbstractCegarLoop]: Abstraction has 301 states and 387 transitions. [2024-10-14 20:39:47,466 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 8 states have (on average 10.375) internal successors, (83), 7 states have internal predecessors, (83), 4 states have call successors, (16), 1 states have call predecessors, (16), 2 states have return successors, (17), 6 states have call predecessors, (17), 4 states have call successors, (17) [2024-10-14 20:39:47,467 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 387 transitions. [2024-10-14 20:39:47,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-10-14 20:39:47,467 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:39:47,467 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:39:47,480 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 0 [2024-10-14 20:39:47,671 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,23 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:39:47,671 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-10-14 20:39:47,672 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:39:47,672 INFO L85 PathProgramCache]: Analyzing trace with hash -57355895, now seen corresponding path program 1 times [2024-10-14 20:39:47,672 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:39:47,672 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1183833768] [2024-10-14 20:39:47,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:39:47,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:39:47,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 20:39:47,689 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1699937141] [2024-10-14 20:39:47,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:39:47,689 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:39:47,689 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:39:47,692 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 20:39:47,694 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2024-10-14 20:39:47,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:47,737 INFO L255 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-10-14 20:39:47,738 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:39:47,867 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 9 proven. 15 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-10-14 20:39:47,867 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:39:48,451 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:39:48,451 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1183833768] [2024-10-14 20:39:48,451 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-14 20:39:48,451 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1699937141] [2024-10-14 20:39:48,451 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1699937141] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:39:48,452 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-14 20:39:48,452 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2024-10-14 20:39:48,452 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1872683842] [2024-10-14 20:39:48,452 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-14 20:39:48,452 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-14 20:39:48,452 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:39:48,453 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-14 20:39:48,453 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2024-10-14 20:39:48,453 INFO L87 Difference]: Start difference. First operand 301 states and 387 transitions. Second operand has 7 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 3 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 3 states have call successors, (9) [2024-10-14 20:39:48,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:39:48,706 INFO L93 Difference]: Finished difference Result 305 states and 388 transitions. [2024-10-14 20:39:48,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-14 20:39:48,707 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 3 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 3 states have call successors, (9) Word has length 83 [2024-10-14 20:39:48,707 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:39:48,708 INFO L225 Difference]: With dead ends: 305 [2024-10-14 20:39:48,708 INFO L226 Difference]: Without dead ends: 304 [2024-10-14 20:39:48,708 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2024-10-14 20:39:48,708 INFO L432 NwaCegarLoop]: 81 mSDtfsCounter, 141 mSDsluCounter, 237 mSDsCounter, 0 mSdLazyCounter, 362 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 147 SdHoareTripleChecker+Valid, 318 SdHoareTripleChecker+Invalid, 363 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 362 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-14 20:39:48,709 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [147 Valid, 318 Invalid, 363 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 362 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-14 20:39:48,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 304 states. [2024-10-14 20:39:48,717 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 304 to 301. [2024-10-14 20:39:48,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 301 states, 216 states have (on average 1.5694444444444444) internal successors, (339), 275 states have internal predecessors, (339), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-10-14 20:39:48,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 301 states and 385 transitions. [2024-10-14 20:39:48,718 INFO L78 Accepts]: Start accepts. Automaton has 301 states and 385 transitions. Word has length 83 [2024-10-14 20:39:48,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:39:48,720 INFO L471 AbstractCegarLoop]: Abstraction has 301 states and 385 transitions. [2024-10-14 20:39:48,720 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 3 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 3 states have call successors, (9) [2024-10-14 20:39:48,720 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 385 transitions. [2024-10-14 20:39:48,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-10-14 20:39:48,722 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:39:48,722 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:39:48,740 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Ended with exit code 0 [2024-10-14 20:39:48,925 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,24 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:39:48,926 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-10-14 20:39:48,926 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:39:48,926 INFO L85 PathProgramCache]: Analyzing trace with hash -1778032613, now seen corresponding path program 1 times [2024-10-14 20:39:48,926 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:39:48,926 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [857905932] [2024-10-14 20:39:48,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:39:48,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:39:48,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 20:39:48,947 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1523286402] [2024-10-14 20:39:48,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:39:48,947 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:39:48,947 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:39:48,951 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 20:39:48,955 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2024-10-14 20:39:48,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:49,001 INFO L255 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-10-14 20:39:49,003 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:39:49,244 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 9 proven. 15 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-10-14 20:39:49,244 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:39:53,941 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:39:53,942 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [857905932] [2024-10-14 20:39:53,942 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-14 20:39:53,942 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1523286402] [2024-10-14 20:39:53,942 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1523286402] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:39:53,942 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-14 20:39:53,942 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-10-14 20:39:53,942 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2145391930] [2024-10-14 20:39:53,943 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-14 20:39:53,943 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-14 20:39:53,943 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:39:53,944 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-14 20:39:53,944 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=77, Unknown=1, NotChecked=0, Total=110 [2024-10-14 20:39:53,944 INFO L87 Difference]: Start difference. First operand 301 states and 385 transitions. Second operand has 9 states, 7 states have (on average 6.857142857142857) internal successors, (48), 7 states have internal predecessors, (48), 3 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 3 states have call successors, (9) [2024-10-14 20:39:54,527 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:39:54,528 INFO L93 Difference]: Finished difference Result 319 states and 396 transitions. [2024-10-14 20:39:54,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-14 20:39:54,528 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 6.857142857142857) internal successors, (48), 7 states have internal predecessors, (48), 3 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 3 states have call successors, (9) Word has length 84 [2024-10-14 20:39:54,528 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:39:54,530 INFO L225 Difference]: With dead ends: 319 [2024-10-14 20:39:54,530 INFO L226 Difference]: Without dead ends: 316 [2024-10-14 20:39:54,530 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 4.3s TimeCoverageRelationStatistics Valid=32, Invalid=77, Unknown=1, NotChecked=0, Total=110 [2024-10-14 20:39:54,531 INFO L432 NwaCegarLoop]: 77 mSDtfsCounter, 322 mSDsluCounter, 202 mSDsCounter, 0 mSdLazyCounter, 580 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 331 SdHoareTripleChecker+Valid, 279 SdHoareTripleChecker+Invalid, 589 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 580 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-14 20:39:54,531 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [331 Valid, 279 Invalid, 589 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 580 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-14 20:39:54,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 316 states. [2024-10-14 20:39:54,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 316 to 301. [2024-10-14 20:39:54,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 301 states, 216 states have (on average 1.5416666666666667) internal successors, (333), 275 states have internal predecessors, (333), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-10-14 20:39:54,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 301 states and 379 transitions. [2024-10-14 20:39:54,540 INFO L78 Accepts]: Start accepts. Automaton has 301 states and 379 transitions. Word has length 84 [2024-10-14 20:39:54,540 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:39:54,540 INFO L471 AbstractCegarLoop]: Abstraction has 301 states and 379 transitions. [2024-10-14 20:39:54,540 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 6.857142857142857) internal successors, (48), 7 states have internal predecessors, (48), 3 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 3 states have call successors, (9) [2024-10-14 20:39:54,540 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 379 transitions. [2024-10-14 20:39:54,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2024-10-14 20:39:54,541 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:39:54,541 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:39:54,554 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Forceful destruction successful, exit code 0 [2024-10-14 20:39:54,741 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2024-10-14 20:39:54,743 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-10-14 20:39:54,743 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:39:54,743 INFO L85 PathProgramCache]: Analyzing trace with hash 715563979, now seen corresponding path program 1 times [2024-10-14 20:39:54,743 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:39:54,744 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1025296365] [2024-10-14 20:39:54,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:39:54,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:39:54,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 20:39:54,760 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [519228906] [2024-10-14 20:39:54,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:39:54,760 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:39:54,760 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:39:54,761 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 20:39:54,763 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2024-10-14 20:39:54,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:54,832 INFO L255 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-10-14 20:39:54,834 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:39:55,120 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 9 proven. 15 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-10-14 20:39:55,120 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:39:55,324 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:39:55,325 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1025296365] [2024-10-14 20:39:55,325 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-14 20:39:55,325 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [519228906] [2024-10-14 20:39:55,325 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [519228906] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:39:55,325 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-14 20:39:55,325 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2024-10-14 20:39:55,325 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [980944452] [2024-10-14 20:39:55,325 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-14 20:39:55,326 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-14 20:39:55,326 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:39:55,326 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-14 20:39:55,326 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2024-10-14 20:39:55,327 INFO L87 Difference]: Start difference. First operand 301 states and 379 transitions. Second operand has 8 states, 6 states have (on average 8.166666666666666) internal successors, (49), 6 states have internal predecessors, (49), 3 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 3 states have call successors, (9) [2024-10-14 20:39:55,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:39:55,685 INFO L93 Difference]: Finished difference Result 309 states and 382 transitions. [2024-10-14 20:39:55,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-14 20:39:55,685 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 8.166666666666666) internal successors, (49), 6 states have internal predecessors, (49), 3 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 3 states have call successors, (9) Word has length 85 [2024-10-14 20:39:55,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:39:55,686 INFO L225 Difference]: With dead ends: 309 [2024-10-14 20:39:55,686 INFO L226 Difference]: Without dead ends: 306 [2024-10-14 20:39:55,686 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2024-10-14 20:39:55,687 INFO L432 NwaCegarLoop]: 69 mSDtfsCounter, 245 mSDsluCounter, 169 mSDsCounter, 0 mSdLazyCounter, 454 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 251 SdHoareTripleChecker+Valid, 238 SdHoareTripleChecker+Invalid, 463 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 454 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-14 20:39:55,687 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [251 Valid, 238 Invalid, 463 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 454 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-14 20:39:55,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 306 states. [2024-10-14 20:39:55,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 306 to 301. [2024-10-14 20:39:55,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 301 states, 216 states have (on average 1.5138888888888888) internal successors, (327), 275 states have internal predecessors, (327), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-10-14 20:39:55,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 301 states and 373 transitions. [2024-10-14 20:39:55,695 INFO L78 Accepts]: Start accepts. Automaton has 301 states and 373 transitions. Word has length 85 [2024-10-14 20:39:55,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:39:55,696 INFO L471 AbstractCegarLoop]: Abstraction has 301 states and 373 transitions. [2024-10-14 20:39:55,696 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 8.166666666666666) internal successors, (49), 6 states have internal predecessors, (49), 3 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 3 states have call successors, (9) [2024-10-14 20:39:55,696 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 373 transitions. [2024-10-14 20:39:55,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-10-14 20:39:55,696 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:39:55,696 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:39:55,708 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Forceful destruction successful, exit code 0 [2024-10-14 20:39:55,900 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2024-10-14 20:39:55,901 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-10-14 20:39:55,901 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:39:55,901 INFO L85 PathProgramCache]: Analyzing trace with hash 772495050, now seen corresponding path program 1 times [2024-10-14 20:39:55,901 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:39:55,901 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [345629901] [2024-10-14 20:39:55,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:39:55,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:39:55,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:55,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 20:39:55,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:55,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 20:39:55,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:55,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-14 20:39:55,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:55,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-14 20:39:55,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:55,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-14 20:39:55,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:55,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-14 20:39:55,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:55,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-14 20:39:55,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:55,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-14 20:39:55,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:55,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-14 20:39:55,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:55,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-14 20:39:55,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:55,974 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-10-14 20:39:55,976 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:39:55,976 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [345629901] [2024-10-14 20:39:55,976 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [345629901] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:39:55,976 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 20:39:55,976 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 20:39:55,977 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [5421542] [2024-10-14 20:39:55,977 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:39:55,977 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 20:39:55,977 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:39:55,977 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 20:39:55,977 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 20:39:55,978 INFO L87 Difference]: Start difference. First operand 301 states and 373 transitions. Second operand has 3 states, 2 states have (on average 27.0) internal successors, (54), 3 states have internal predecessors, (54), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-10-14 20:39:56,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:39:56,245 INFO L93 Difference]: Finished difference Result 301 states and 373 transitions. [2024-10-14 20:39:56,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 20:39:56,246 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 27.0) internal successors, (54), 3 states have internal predecessors, (54), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 98 [2024-10-14 20:39:56,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:39:56,246 INFO L225 Difference]: With dead ends: 301 [2024-10-14 20:39:56,246 INFO L226 Difference]: Without dead ends: 300 [2024-10-14 20:39:56,247 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 20:39:56,247 INFO L432 NwaCegarLoop]: 156 mSDtfsCounter, 1 mSDsluCounter, 126 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 282 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-14 20:39:56,247 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 282 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-14 20:39:56,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 300 states. [2024-10-14 20:39:56,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 300 to 300. [2024-10-14 20:39:56,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 300 states, 216 states have (on average 1.4953703703703705) internal successors, (323), 274 states have internal predecessors, (323), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-10-14 20:39:56,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 300 states and 369 transitions. [2024-10-14 20:39:56,258 INFO L78 Accepts]: Start accepts. Automaton has 300 states and 369 transitions. Word has length 98 [2024-10-14 20:39:56,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:39:56,258 INFO L471 AbstractCegarLoop]: Abstraction has 300 states and 369 transitions. [2024-10-14 20:39:56,258 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 27.0) internal successors, (54), 3 states have internal predecessors, (54), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-10-14 20:39:56,258 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 369 transitions. [2024-10-14 20:39:56,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-10-14 20:39:56,259 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:39:56,259 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:39:56,259 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-10-14 20:39:56,259 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-10-14 20:39:56,259 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:39:56,259 INFO L85 PathProgramCache]: Analyzing trace with hash -1822457070, now seen corresponding path program 1 times [2024-10-14 20:39:56,259 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:39:56,259 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2071958236] [2024-10-14 20:39:56,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:39:56,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:39:56,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:56,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 20:39:56,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:56,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 20:39:56,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:56,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-14 20:39:56,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:56,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-14 20:39:56,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:56,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-14 20:39:56,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:56,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-14 20:39:56,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:56,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-14 20:39:56,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:56,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-14 20:39:56,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:56,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-14 20:39:56,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:56,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-14 20:39:56,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:56,403 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-10-14 20:39:56,404 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:39:56,404 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2071958236] [2024-10-14 20:39:56,404 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2071958236] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:39:56,404 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 20:39:56,404 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-14 20:39:56,404 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2027577603] [2024-10-14 20:39:56,404 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:39:56,404 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-14 20:39:56,405 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:39:56,405 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-14 20:39:56,405 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-14 20:39:56,405 INFO L87 Difference]: Start difference. First operand 300 states and 369 transitions. Second operand has 6 states, 5 states have (on average 11.0) internal successors, (55), 6 states have internal predecessors, (55), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2024-10-14 20:39:57,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:39:57,293 INFO L93 Difference]: Finished difference Result 304 states and 370 transitions. [2024-10-14 20:39:57,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-14 20:39:57,294 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 11.0) internal successors, (55), 6 states have internal predecessors, (55), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) Word has length 99 [2024-10-14 20:39:57,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:39:57,295 INFO L225 Difference]: With dead ends: 304 [2024-10-14 20:39:57,295 INFO L226 Difference]: Without dead ends: 303 [2024-10-14 20:39:57,295 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2024-10-14 20:39:57,295 INFO L432 NwaCegarLoop]: 64 mSDtfsCounter, 461 mSDsluCounter, 153 mSDsCounter, 0 mSdLazyCounter, 362 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 461 SdHoareTripleChecker+Valid, 217 SdHoareTripleChecker+Invalid, 403 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 362 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-10-14 20:39:57,295 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [461 Valid, 217 Invalid, 403 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 362 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-10-14 20:39:57,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 303 states. [2024-10-14 20:39:57,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 303 to 300. [2024-10-14 20:39:57,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 300 states, 216 states have (on average 1.4907407407407407) internal successors, (322), 274 states have internal predecessors, (322), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-10-14 20:39:57,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 300 states and 368 transitions. [2024-10-14 20:39:57,305 INFO L78 Accepts]: Start accepts. Automaton has 300 states and 368 transitions. Word has length 99 [2024-10-14 20:39:57,305 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:39:57,305 INFO L471 AbstractCegarLoop]: Abstraction has 300 states and 368 transitions. [2024-10-14 20:39:57,305 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 11.0) internal successors, (55), 6 states have internal predecessors, (55), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2024-10-14 20:39:57,305 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 368 transitions. [2024-10-14 20:39:57,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-10-14 20:39:57,305 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:39:57,306 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:39:57,306 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-10-14 20:39:57,306 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr46ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-10-14 20:39:57,306 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:39:57,306 INFO L85 PathProgramCache]: Analyzing trace with hash 963878354, now seen corresponding path program 1 times [2024-10-14 20:39:57,306 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:39:57,306 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1929459089] [2024-10-14 20:39:57,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:39:57,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:39:57,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:57,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 20:39:57,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:57,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 20:39:57,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:57,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-14 20:39:57,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:57,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-14 20:39:57,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:57,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-14 20:39:57,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:57,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-14 20:39:57,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:57,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-14 20:39:57,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:57,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-14 20:39:57,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:57,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-14 20:39:57,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:57,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-14 20:39:57,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:57,416 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-10-14 20:39:57,416 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:39:57,416 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1929459089] [2024-10-14 20:39:57,417 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1929459089] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:39:57,417 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 20:39:57,417 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-14 20:39:57,417 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [637207493] [2024-10-14 20:39:57,417 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:39:57,417 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 20:39:57,418 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:39:57,418 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 20:39:57,418 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-14 20:39:57,418 INFO L87 Difference]: Start difference. First operand 300 states and 368 transitions. Second operand has 5 states, 4 states have (on average 14.25) internal successors, (57), 5 states have internal predecessors, (57), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-10-14 20:39:58,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:39:58,143 INFO L93 Difference]: Finished difference Result 315 states and 379 transitions. [2024-10-14 20:39:58,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-14 20:39:58,144 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 14.25) internal successors, (57), 5 states have internal predecessors, (57), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 101 [2024-10-14 20:39:58,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:39:58,145 INFO L225 Difference]: With dead ends: 315 [2024-10-14 20:39:58,145 INFO L226 Difference]: Without dead ends: 314 [2024-10-14 20:39:58,146 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-14 20:39:58,146 INFO L432 NwaCegarLoop]: 151 mSDtfsCounter, 13 mSDsluCounter, 359 mSDsCounter, 0 mSdLazyCounter, 123 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 510 SdHoareTripleChecker+Invalid, 123 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 123 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-14 20:39:58,149 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 510 Invalid, 123 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 123 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-14 20:39:58,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 314 states. [2024-10-14 20:39:58,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 314 to 305. [2024-10-14 20:39:58,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 305 states, 221 states have (on average 1.4796380090497738) internal successors, (327), 279 states have internal predecessors, (327), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-10-14 20:39:58,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 305 states and 373 transitions. [2024-10-14 20:39:58,165 INFO L78 Accepts]: Start accepts. Automaton has 305 states and 373 transitions. Word has length 101 [2024-10-14 20:39:58,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:39:58,165 INFO L471 AbstractCegarLoop]: Abstraction has 305 states and 373 transitions. [2024-10-14 20:39:58,165 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 14.25) internal successors, (57), 5 states have internal predecessors, (57), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-10-14 20:39:58,165 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 373 transitions. [2024-10-14 20:39:58,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-10-14 20:39:58,167 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:39:58,167 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:39:58,167 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-10-14 20:39:58,167 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr47ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-10-14 20:39:58,167 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:39:58,168 INFO L85 PathProgramCache]: Analyzing trace with hash -184541926, now seen corresponding path program 1 times [2024-10-14 20:39:58,168 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:39:58,168 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [190595442] [2024-10-14 20:39:58,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:39:58,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:39:58,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:58,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 20:39:58,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:58,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 20:39:58,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:58,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-14 20:39:58,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:58,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-14 20:39:58,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:58,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-14 20:39:58,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:58,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-14 20:39:58,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:58,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-14 20:39:58,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:58,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-14 20:39:58,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:58,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-14 20:39:58,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:58,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-14 20:39:58,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:58,420 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 6 proven. 18 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-10-14 20:39:58,420 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:39:58,420 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [190595442] [2024-10-14 20:39:58,420 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [190595442] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:39:58,420 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1311779763] [2024-10-14 20:39:58,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:39:58,421 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:39:58,421 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:39:58,422 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 20:39:58,423 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2024-10-14 20:39:58,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:58,469 INFO L255 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-14 20:39:58,470 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:39:58,598 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-10-14 20:39:58,598 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 20:39:58,598 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1311779763] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:39:58,598 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-14 20:39:58,598 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 10 [2024-10-14 20:39:58,599 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [615320075] [2024-10-14 20:39:58,599 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:39:58,599 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 20:39:58,599 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:39:58,599 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 20:39:58,600 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-10-14 20:39:58,600 INFO L87 Difference]: Start difference. First operand 305 states and 373 transitions. Second operand has 4 states, 3 states have (on average 19.333333333333332) internal successors, (58), 4 states have internal predecessors, (58), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-10-14 20:39:58,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:39:58,997 INFO L93 Difference]: Finished difference Result 315 states and 377 transitions. [2024-10-14 20:39:58,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 20:39:58,997 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 19.333333333333332) internal successors, (58), 4 states have internal predecessors, (58), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 102 [2024-10-14 20:39:58,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:39:58,999 INFO L225 Difference]: With dead ends: 315 [2024-10-14 20:39:58,999 INFO L226 Difference]: Without dead ends: 314 [2024-10-14 20:39:58,999 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 121 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2024-10-14 20:39:58,999 INFO L432 NwaCegarLoop]: 132 mSDtfsCounter, 15 mSDsluCounter, 175 mSDsCounter, 0 mSdLazyCounter, 166 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 307 SdHoareTripleChecker+Invalid, 167 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 166 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-14 20:39:58,999 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 307 Invalid, 167 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 166 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-14 20:39:59,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 314 states. [2024-10-14 20:39:59,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 314 to 307. [2024-10-14 20:39:59,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 307 states, 223 states have (on average 1.4753363228699552) internal successors, (329), 281 states have internal predecessors, (329), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-10-14 20:39:59,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 307 states and 375 transitions. [2024-10-14 20:39:59,009 INFO L78 Accepts]: Start accepts. Automaton has 307 states and 375 transitions. Word has length 102 [2024-10-14 20:39:59,009 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:39:59,009 INFO L471 AbstractCegarLoop]: Abstraction has 307 states and 375 transitions. [2024-10-14 20:39:59,009 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 19.333333333333332) internal successors, (58), 4 states have internal predecessors, (58), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-10-14 20:39:59,009 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 375 transitions. [2024-10-14 20:39:59,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-10-14 20:39:59,011 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:39:59,011 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:39:59,023 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Forceful destruction successful, exit code 0 [2024-10-14 20:39:59,212 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,27 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:39:59,212 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-10-14 20:39:59,213 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:39:59,213 INFO L85 PathProgramCache]: Analyzing trace with hash 53337654, now seen corresponding path program 1 times [2024-10-14 20:39:59,214 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:39:59,214 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1337953093] [2024-10-14 20:39:59,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:39:59,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:39:59,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 20:39:59,230 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1262269718] [2024-10-14 20:39:59,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:39:59,230 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:39:59,231 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:39:59,233 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 20:39:59,234 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2024-10-14 20:39:59,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:59,284 INFO L255 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-10-14 20:39:59,285 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:39:59,411 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 11 proven. 6 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2024-10-14 20:39:59,411 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:39:59,457 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:39:59,458 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1337953093] [2024-10-14 20:39:59,458 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-14 20:39:59,458 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1262269718] [2024-10-14 20:39:59,458 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1262269718] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:39:59,458 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-14 20:39:59,458 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2024-10-14 20:39:59,458 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1867070366] [2024-10-14 20:39:59,458 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-14 20:39:59,458 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-14 20:39:59,458 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:39:59,459 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-14 20:39:59,459 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2024-10-14 20:39:59,459 INFO L87 Difference]: Start difference. First operand 307 states and 375 transitions. Second operand has 8 states, 7 states have (on average 8.857142857142858) internal successors, (62), 7 states have internal predecessors, (62), 3 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 4 states have call predecessors, (10), 3 states have call successors, (10) [2024-10-14 20:39:59,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:39:59,828 INFO L93 Difference]: Finished difference Result 310 states and 375 transitions. [2024-10-14 20:39:59,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-14 20:39:59,828 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 8.857142857142858) internal successors, (62), 7 states have internal predecessors, (62), 3 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 4 states have call predecessors, (10), 3 states have call successors, (10) Word has length 103 [2024-10-14 20:39:59,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:39:59,829 INFO L225 Difference]: With dead ends: 310 [2024-10-14 20:39:59,829 INFO L226 Difference]: Without dead ends: 308 [2024-10-14 20:39:59,829 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2024-10-14 20:39:59,830 INFO L432 NwaCegarLoop]: 102 mSDtfsCounter, 198 mSDsluCounter, 372 mSDsCounter, 0 mSdLazyCounter, 581 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 203 SdHoareTripleChecker+Valid, 474 SdHoareTripleChecker+Invalid, 592 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 581 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-14 20:39:59,830 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [203 Valid, 474 Invalid, 592 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 581 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-14 20:39:59,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 308 states. [2024-10-14 20:39:59,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 308 to 307. [2024-10-14 20:39:59,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 307 states, 223 states have (on average 1.4663677130044843) internal successors, (327), 281 states have internal predecessors, (327), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-10-14 20:39:59,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 307 states and 373 transitions. [2024-10-14 20:39:59,861 INFO L78 Accepts]: Start accepts. Automaton has 307 states and 373 transitions. Word has length 103 [2024-10-14 20:39:59,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:39:59,862 INFO L471 AbstractCegarLoop]: Abstraction has 307 states and 373 transitions. [2024-10-14 20:39:59,862 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 8.857142857142858) internal successors, (62), 7 states have internal predecessors, (62), 3 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 4 states have call predecessors, (10), 3 states have call successors, (10) [2024-10-14 20:39:59,862 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 373 transitions. [2024-10-14 20:39:59,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-10-14 20:39:59,862 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:39:59,862 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:39:59,878 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Ended with exit code 0 [2024-10-14 20:40:00,066 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,28 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:40:00,067 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-10-14 20:40:00,067 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:40:00,069 INFO L85 PathProgramCache]: Analyzing trace with hash 1653467349, now seen corresponding path program 1 times [2024-10-14 20:40:00,069 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:40:00,069 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [646038278] [2024-10-14 20:40:00,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:40:00,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:40:00,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 20:40:00,081 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1094570160] [2024-10-14 20:40:00,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:40:00,082 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:40:00,082 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:40:00,083 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 20:40:00,088 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2024-10-14 20:40:00,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:40:00,138 INFO L255 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-10-14 20:40:00,140 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:40:00,280 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 9 proven. 18 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-10-14 20:40:00,280 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:40:00,587 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:40:00,587 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [646038278] [2024-10-14 20:40:00,587 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-14 20:40:00,587 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1094570160] [2024-10-14 20:40:00,588 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1094570160] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:40:00,588 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-14 20:40:00,588 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-10-14 20:40:00,588 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2041089192] [2024-10-14 20:40:00,588 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-14 20:40:00,591 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-14 20:40:00,591 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:40:00,592 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-14 20:40:00,592 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2024-10-14 20:40:00,592 INFO L87 Difference]: Start difference. First operand 307 states and 373 transitions. Second operand has 9 states, 7 states have (on average 9.0) internal successors, (63), 7 states have internal predecessors, (63), 4 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 5 states have call predecessors, (10), 4 states have call successors, (10) [2024-10-14 20:40:01,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:40:01,057 INFO L93 Difference]: Finished difference Result 357 states and 430 transitions. [2024-10-14 20:40:01,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-14 20:40:01,057 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 9.0) internal successors, (63), 7 states have internal predecessors, (63), 4 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 5 states have call predecessors, (10), 4 states have call successors, (10) Word has length 104 [2024-10-14 20:40:01,057 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:40:01,060 INFO L225 Difference]: With dead ends: 357 [2024-10-14 20:40:01,060 INFO L226 Difference]: Without dead ends: 355 [2024-10-14 20:40:01,061 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=53, Invalid=129, Unknown=0, NotChecked=0, Total=182 [2024-10-14 20:40:01,062 INFO L432 NwaCegarLoop]: 81 mSDtfsCounter, 431 mSDsluCounter, 333 mSDsCounter, 0 mSdLazyCounter, 521 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 436 SdHoareTripleChecker+Valid, 414 SdHoareTripleChecker+Invalid, 551 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 521 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-14 20:40:01,062 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [436 Valid, 414 Invalid, 551 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 521 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-14 20:40:01,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 355 states. [2024-10-14 20:40:01,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 355 to 353. [2024-10-14 20:40:01,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 353 states, 265 states have (on average 1.4075471698113207) internal successors, (373), 323 states have internal predecessors, (373), 27 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-10-14 20:40:01,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 353 states and 427 transitions. [2024-10-14 20:40:01,086 INFO L78 Accepts]: Start accepts. Automaton has 353 states and 427 transitions. Word has length 104 [2024-10-14 20:40:01,087 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:40:01,087 INFO L471 AbstractCegarLoop]: Abstraction has 353 states and 427 transitions. [2024-10-14 20:40:01,087 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 9.0) internal successors, (63), 7 states have internal predecessors, (63), 4 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 5 states have call predecessors, (10), 4 states have call successors, (10) [2024-10-14 20:40:01,087 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 427 transitions. [2024-10-14 20:40:01,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-10-14 20:40:01,087 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:40:01,088 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:40:01,113 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Ended with exit code 0 [2024-10-14 20:40:01,291 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,29 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:40:01,292 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr50ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-10-14 20:40:01,293 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:40:01,293 INFO L85 PathProgramCache]: Analyzing trace with hash -130205738, now seen corresponding path program 1 times [2024-10-14 20:40:01,293 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:40:01,293 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1642780779] [2024-10-14 20:40:01,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:40:01,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:40:01,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:40:01,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 20:40:01,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:40:01,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 20:40:01,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:40:01,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-14 20:40:01,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:40:01,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-14 20:40:01,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:40:01,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-14 20:40:01,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:40:01,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-14 20:40:01,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:40:01,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-14 20:40:01,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:40:01,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-14 20:40:01,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:40:01,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-14 20:40:01,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:40:01,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-14 20:40:01,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:40:01,426 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-10-14 20:40:01,426 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:40:01,426 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1642780779] [2024-10-14 20:40:01,426 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1642780779] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:40:01,426 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 20:40:01,426 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-14 20:40:01,426 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [442962272] [2024-10-14 20:40:01,426 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:40:01,426 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 20:40:01,426 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:40:01,427 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 20:40:01,427 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-14 20:40:01,427 INFO L87 Difference]: Start difference. First operand 353 states and 427 transitions. Second operand has 5 states, 4 states have (on average 15.25) internal successors, (61), 5 states have internal predecessors, (61), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-10-14 20:40:01,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:40:01,649 INFO L93 Difference]: Finished difference Result 367 states and 437 transitions. [2024-10-14 20:40:01,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-14 20:40:01,649 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 15.25) internal successors, (61), 5 states have internal predecessors, (61), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 105 [2024-10-14 20:40:01,650 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:40:01,651 INFO L225 Difference]: With dead ends: 367 [2024-10-14 20:40:01,651 INFO L226 Difference]: Without dead ends: 366 [2024-10-14 20:40:01,651 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-14 20:40:01,652 INFO L432 NwaCegarLoop]: 154 mSDtfsCounter, 14 mSDsluCounter, 282 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 436 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-14 20:40:01,652 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 436 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-14 20:40:01,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 366 states. [2024-10-14 20:40:01,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 366 to 358. [2024-10-14 20:40:01,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 358 states, 270 states have (on average 1.4074074074074074) internal successors, (380), 328 states have internal predecessors, (380), 27 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-10-14 20:40:01,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 358 states and 434 transitions. [2024-10-14 20:40:01,663 INFO L78 Accepts]: Start accepts. Automaton has 358 states and 434 transitions. Word has length 105 [2024-10-14 20:40:01,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:40:01,664 INFO L471 AbstractCegarLoop]: Abstraction has 358 states and 434 transitions. [2024-10-14 20:40:01,664 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 15.25) internal successors, (61), 5 states have internal predecessors, (61), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-10-14 20:40:01,664 INFO L276 IsEmpty]: Start isEmpty. Operand 358 states and 434 transitions. [2024-10-14 20:40:01,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-10-14 20:40:01,664 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:40:01,665 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:40:01,665 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2024-10-14 20:40:01,665 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-10-14 20:40:01,665 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:40:01,665 INFO L85 PathProgramCache]: Analyzing trace with hash -282119656, now seen corresponding path program 1 times [2024-10-14 20:40:01,665 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:40:01,665 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1079423133] [2024-10-14 20:40:01,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:40:01,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:40:01,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:40:01,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 20:40:01,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:40:01,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 20:40:01,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:40:01,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-14 20:40:01,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:40:01,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-14 20:40:01,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:40:01,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-14 20:40:01,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:40:01,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-14 20:40:01,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:40:01,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-14 20:40:01,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:40:01,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-14 20:40:01,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:40:01,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-14 20:40:01,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:40:01,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-14 20:40:01,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:40:01,772 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-10-14 20:40:01,772 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:40:01,772 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1079423133] [2024-10-14 20:40:01,773 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1079423133] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:40:01,773 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 20:40:01,773 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-14 20:40:01,773 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1365705681] [2024-10-14 20:40:01,773 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:40:01,773 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 20:40:01,773 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:40:01,774 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 20:40:01,774 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-14 20:40:01,774 INFO L87 Difference]: Start difference. First operand 358 states and 434 transitions. Second operand has 5 states, 4 states have (on average 15.25) internal successors, (61), 5 states have internal predecessors, (61), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-10-14 20:40:02,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:40:02,351 INFO L93 Difference]: Finished difference Result 390 states and 434 transitions. [2024-10-14 20:40:02,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-14 20:40:02,352 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 15.25) internal successors, (61), 5 states have internal predecessors, (61), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 105 [2024-10-14 20:40:02,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:40:02,353 INFO L225 Difference]: With dead ends: 390 [2024-10-14 20:40:02,353 INFO L226 Difference]: Without dead ends: 389 [2024-10-14 20:40:02,353 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-10-14 20:40:02,354 INFO L432 NwaCegarLoop]: 192 mSDtfsCounter, 134 mSDsluCounter, 360 mSDsCounter, 0 mSdLazyCounter, 197 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 138 SdHoareTripleChecker+Valid, 552 SdHoareTripleChecker+Invalid, 202 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 197 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-14 20:40:02,354 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [138 Valid, 552 Invalid, 202 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 197 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-14 20:40:02,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 389 states. [2024-10-14 20:40:02,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 389 to 358. [2024-10-14 20:40:02,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 358 states, 270 states have (on average 1.3962962962962964) internal successors, (377), 328 states have internal predecessors, (377), 27 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-10-14 20:40:02,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 358 states and 431 transitions. [2024-10-14 20:40:02,366 INFO L78 Accepts]: Start accepts. Automaton has 358 states and 431 transitions. Word has length 105 [2024-10-14 20:40:02,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:40:02,367 INFO L471 AbstractCegarLoop]: Abstraction has 358 states and 431 transitions. [2024-10-14 20:40:02,367 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 15.25) internal successors, (61), 5 states have internal predecessors, (61), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-10-14 20:40:02,367 INFO L276 IsEmpty]: Start isEmpty. Operand 358 states and 431 transitions. [2024-10-14 20:40:02,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-10-14 20:40:02,367 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:40:02,367 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:40:02,367 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2024-10-14 20:40:02,367 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr51ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-10-14 20:40:02,368 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:40:02,368 INFO L85 PathProgramCache]: Analyzing trace with hash 258589598, now seen corresponding path program 1 times [2024-10-14 20:40:02,368 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:40:02,368 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1725956150] [2024-10-14 20:40:02,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:40:02,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:40:02,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:40:02,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 20:40:02,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:40:02,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 20:40:02,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:40:02,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-14 20:40:02,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:40:02,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-14 20:40:02,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:40:02,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-14 20:40:02,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:40:02,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-14 20:40:02,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:40:02,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-14 20:40:02,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:40:02,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-14 20:40:02,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:40:02,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-14 20:40:02,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:40:02,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-14 20:40:02,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:40:02,497 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 6 proven. 18 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-10-14 20:40:02,497 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:40:02,497 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1725956150] [2024-10-14 20:40:02,497 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1725956150] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:40:02,497 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1139940348] [2024-10-14 20:40:02,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:40:02,497 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:40:02,498 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:40:02,499 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 20:40:02,501 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2024-10-14 20:40:02,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:40:02,548 INFO L255 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-14 20:40:02,549 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:40:02,674 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-10-14 20:40:02,674 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 20:40:02,674 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1139940348] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:40:02,674 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-14 20:40:02,674 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [8] total 11 [2024-10-14 20:40:02,674 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1875266743] [2024-10-14 20:40:02,674 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:40:02,675 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 20:40:02,675 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:40:02,675 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 20:40:02,675 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2024-10-14 20:40:02,675 INFO L87 Difference]: Start difference. First operand 358 states and 431 transitions. Second operand has 5 states, 4 states have (on average 15.5) internal successors, (62), 5 states have internal predecessors, (62), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-10-14 20:40:02,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:40:02,864 INFO L93 Difference]: Finished difference Result 365 states and 434 transitions. [2024-10-14 20:40:02,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-14 20:40:02,865 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 15.5) internal successors, (62), 5 states have internal predecessors, (62), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 106 [2024-10-14 20:40:02,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:40:02,866 INFO L225 Difference]: With dead ends: 365 [2024-10-14 20:40:02,866 INFO L226 Difference]: Without dead ends: 364 [2024-10-14 20:40:02,866 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 124 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2024-10-14 20:40:02,866 INFO L432 NwaCegarLoop]: 142 mSDtfsCounter, 56 mSDsluCounter, 371 mSDsCounter, 0 mSdLazyCounter, 137 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 513 SdHoareTripleChecker+Invalid, 137 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 137 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-14 20:40:02,867 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [60 Valid, 513 Invalid, 137 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 137 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-14 20:40:02,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 364 states. [2024-10-14 20:40:02,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 364 to 360. [2024-10-14 20:40:02,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 360 states, 272 states have (on average 1.3933823529411764) internal successors, (379), 330 states have internal predecessors, (379), 27 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-10-14 20:40:02,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 360 states and 433 transitions. [2024-10-14 20:40:02,880 INFO L78 Accepts]: Start accepts. Automaton has 360 states and 433 transitions. Word has length 106 [2024-10-14 20:40:02,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:40:02,880 INFO L471 AbstractCegarLoop]: Abstraction has 360 states and 433 transitions. [2024-10-14 20:40:02,880 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 15.5) internal successors, (62), 5 states have internal predecessors, (62), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-10-14 20:40:02,880 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 433 transitions. [2024-10-14 20:40:02,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-10-14 20:40:02,881 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:40:02,881 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:40:02,893 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Forceful destruction successful, exit code 0 [2024-10-14 20:40:03,085 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34,30 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:40:03,086 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-10-14 20:40:03,086 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:40:03,086 INFO L85 PathProgramCache]: Analyzing trace with hash -155774665, now seen corresponding path program 1 times [2024-10-14 20:40:03,086 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:40:03,086 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1418035119] [2024-10-14 20:40:03,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:40:03,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:40:03,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:40:03,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 20:40:03,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:40:03,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 20:40:03,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:40:03,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-14 20:40:03,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:40:03,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-14 20:40:03,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:40:03,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-14 20:40:03,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:40:03,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-14 20:40:03,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:40:03,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-14 20:40:03,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:40:03,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-14 20:40:03,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:40:03,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-14 20:40:03,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:40:03,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-14 20:40:03,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:40:03,244 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 6 proven. 23 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-10-14 20:40:03,244 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:40:03,244 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1418035119] [2024-10-14 20:40:03,244 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1418035119] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:40:03,244 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1663473582] [2024-10-14 20:40:03,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:40:03,244 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:40:03,244 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:40:03,246 INFO L229 MonitoredProcess]: Starting monitored process 31 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 20:40:03,246 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2024-10-14 20:40:03,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:40:03,291 INFO L255 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-10-14 20:40:03,292 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:40:03,538 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 11 proven. 18 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-10-14 20:40:03,538 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:40:03,860 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1663473582] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:40:03,860 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-14 20:40:03,860 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 15 [2024-10-14 20:40:03,861 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1795479527] [2024-10-14 20:40:03,861 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-14 20:40:03,861 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-10-14 20:40:03,861 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:40:03,861 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-10-14 20:40:03,861 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=252, Unknown=0, NotChecked=0, Total=306 [2024-10-14 20:40:03,862 INFO L87 Difference]: Start difference. First operand 360 states and 433 transitions. Second operand has 16 states, 15 states have (on average 8.0) internal successors, (120), 14 states have internal predecessors, (120), 7 states have call successors, (19), 1 states have call predecessors, (19), 2 states have return successors, (20), 8 states have call predecessors, (20), 7 states have call successors, (20) [2024-10-14 20:40:04,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:40:04,569 INFO L93 Difference]: Finished difference Result 554 states and 674 transitions. [2024-10-14 20:40:04,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-14 20:40:04,569 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 8.0) internal successors, (120), 14 states have internal predecessors, (120), 7 states have call successors, (19), 1 states have call predecessors, (19), 2 states have return successors, (20), 8 states have call predecessors, (20), 7 states have call successors, (20) Word has length 106 [2024-10-14 20:40:04,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:40:04,570 INFO L225 Difference]: With dead ends: 554 [2024-10-14 20:40:04,571 INFO L226 Difference]: Without dead ends: 310 [2024-10-14 20:40:04,571 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 73 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=161, Invalid=489, Unknown=0, NotChecked=0, Total=650 [2024-10-14 20:40:04,572 INFO L432 NwaCegarLoop]: 74 mSDtfsCounter, 710 mSDsluCounter, 368 mSDsCounter, 0 mSdLazyCounter, 879 mSolverCounterSat, 61 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 711 SdHoareTripleChecker+Valid, 442 SdHoareTripleChecker+Invalid, 940 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 879 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-14 20:40:04,572 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [711 Valid, 442 Invalid, 940 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 879 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-14 20:40:04,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 310 states. [2024-10-14 20:40:04,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 310 to 310. [2024-10-14 20:40:04,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 310 states, 226 states have (on average 1.4380530973451326) internal successors, (325), 284 states have internal predecessors, (325), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-10-14 20:40:04,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 310 states and 371 transitions. [2024-10-14 20:40:04,582 INFO L78 Accepts]: Start accepts. Automaton has 310 states and 371 transitions. Word has length 106 [2024-10-14 20:40:04,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:40:04,582 INFO L471 AbstractCegarLoop]: Abstraction has 310 states and 371 transitions. [2024-10-14 20:40:04,582 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 8.0) internal successors, (120), 14 states have internal predecessors, (120), 7 states have call successors, (19), 1 states have call predecessors, (19), 2 states have return successors, (20), 8 states have call predecessors, (20), 7 states have call successors, (20) [2024-10-14 20:40:04,582 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 371 transitions. [2024-10-14 20:40:04,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-10-14 20:40:04,583 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:40:04,583 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:40:04,595 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Ended with exit code 0 [2024-10-14 20:40:04,787 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable35 [2024-10-14 20:40:04,787 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr52ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-10-14 20:40:04,788 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:40:04,788 INFO L85 PathProgramCache]: Analyzing trace with hash -1528558184, now seen corresponding path program 1 times [2024-10-14 20:40:04,788 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:40:04,788 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1744208873] [2024-10-14 20:40:04,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:40:04,788 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:40:04,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:40:04,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 20:40:04,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:40:04,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 20:40:04,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:40:04,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-14 20:40:04,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:40:04,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-14 20:40:04,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:40:04,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-14 20:40:04,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:40:04,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-14 20:40:04,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:40:04,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-14 20:40:04,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:40:04,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-14 20:40:04,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:40:04,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-14 20:40:04,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:40:04,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-14 20:40:04,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:40:04,906 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 6 proven. 11 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2024-10-14 20:40:04,906 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:40:04,906 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1744208873] [2024-10-14 20:40:04,906 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1744208873] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:40:04,907 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [414889809] [2024-10-14 20:40:04,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:40:04,907 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:40:04,907 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:40:04,908 INFO L229 MonitoredProcess]: Starting monitored process 32 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 20:40:04,909 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Waiting until timeout for monitored process [2024-10-14 20:40:04,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:40:04,956 INFO L255 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-10-14 20:40:04,957 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:40:05,013 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 6 proven. 11 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2024-10-14 20:40:05,013 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:40:05,117 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 6 proven. 11 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2024-10-14 20:40:05,117 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [414889809] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 20:40:05,117 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-14 20:40:05,118 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 9 [2024-10-14 20:40:05,118 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [381987948] [2024-10-14 20:40:05,118 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-14 20:40:05,118 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-14 20:40:05,118 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:40:05,119 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-14 20:40:05,119 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-10-14 20:40:05,119 INFO L87 Difference]: Start difference. First operand 310 states and 371 transitions. Second operand has 9 states, 9 states have (on average 7.777777777777778) internal successors, (70), 8 states have internal predecessors, (70), 4 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2024-10-14 20:40:05,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:40:05,878 INFO L93 Difference]: Finished difference Result 703 states and 809 transitions. [2024-10-14 20:40:05,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-14 20:40:05,878 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.777777777777778) internal successors, (70), 8 states have internal predecessors, (70), 4 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) Word has length 109 [2024-10-14 20:40:05,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:40:05,880 INFO L225 Difference]: With dead ends: 703 [2024-10-14 20:40:05,880 INFO L226 Difference]: Without dead ends: 674 [2024-10-14 20:40:05,880 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 250 GetRequests, 232 SyntacticMatches, 4 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=62, Invalid=178, Unknown=0, NotChecked=0, Total=240 [2024-10-14 20:40:05,881 INFO L432 NwaCegarLoop]: 120 mSDtfsCounter, 723 mSDsluCounter, 698 mSDsCounter, 0 mSdLazyCounter, 832 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 728 SdHoareTripleChecker+Valid, 818 SdHoareTripleChecker+Invalid, 863 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 832 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-14 20:40:05,881 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [728 Valid, 818 Invalid, 863 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 832 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-14 20:40:05,881 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 674 states. [2024-10-14 20:40:05,906 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 674 to 466. [2024-10-14 20:40:05,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 466 states, 370 states have (on average 1.5972972972972972) internal successors, (591), 428 states have internal predecessors, (591), 35 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2024-10-14 20:40:05,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 466 states to 466 states and 661 transitions. [2024-10-14 20:40:05,908 INFO L78 Accepts]: Start accepts. Automaton has 466 states and 661 transitions. Word has length 109 [2024-10-14 20:40:05,908 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:40:05,908 INFO L471 AbstractCegarLoop]: Abstraction has 466 states and 661 transitions. [2024-10-14 20:40:05,908 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.777777777777778) internal successors, (70), 8 states have internal predecessors, (70), 4 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2024-10-14 20:40:05,909 INFO L276 IsEmpty]: Start isEmpty. Operand 466 states and 661 transitions. [2024-10-14 20:40:05,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2024-10-14 20:40:05,909 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:40:05,909 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:40:05,921 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Forceful destruction successful, exit code 0 [2024-10-14 20:40:06,113 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable36 [2024-10-14 20:40:06,113 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-10-14 20:40:06,114 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:40:06,114 INFO L85 PathProgramCache]: Analyzing trace with hash -2035063929, now seen corresponding path program 1 times [2024-10-14 20:40:06,114 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:40:06,114 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2112703715] [2024-10-14 20:40:06,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:40:06,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:40:06,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:40:06,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 20:40:06,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:40:06,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 20:40:06,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:40:06,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-14 20:40:06,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:40:06,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-14 20:40:06,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:40:06,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-14 20:40:06,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:40:06,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-14 20:40:06,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:40:06,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-14 20:40:06,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:40:06,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-14 20:40:06,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:40:06,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-14 20:40:06,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:40:06,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-14 20:40:06,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:40:06,246 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 4 proven. 17 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2024-10-14 20:40:06,247 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:40:06,247 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2112703715] [2024-10-14 20:40:06,247 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2112703715] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:40:06,247 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [778858148] [2024-10-14 20:40:06,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:40:06,247 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:40:06,247 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:40:06,248 INFO L229 MonitoredProcess]: Starting monitored process 33 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 20:40:06,249 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Waiting until timeout for monitored process [2024-10-14 20:40:06,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:40:06,300 INFO L255 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-10-14 20:40:06,302 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:40:06,432 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-10-14 20:40:06,432 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 20:40:06,432 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [778858148] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:40:06,432 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-14 20:40:06,432 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [10] total 16 [2024-10-14 20:40:06,432 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [525656104] [2024-10-14 20:40:06,432 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:40:06,433 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-14 20:40:06,433 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:40:06,433 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-14 20:40:06,433 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=228, Unknown=0, NotChecked=0, Total=272 [2024-10-14 20:40:06,433 INFO L87 Difference]: Start difference. First operand 466 states and 661 transitions. Second operand has 8 states, 7 states have (on average 9.714285714285714) internal successors, (68), 8 states have internal predecessors, (68), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-10-14 20:40:08,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:40:08,635 INFO L93 Difference]: Finished difference Result 925 states and 1247 transitions. [2024-10-14 20:40:08,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-14 20:40:08,635 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 9.714285714285714) internal successors, (68), 8 states have internal predecessors, (68), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 112 [2024-10-14 20:40:08,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:40:08,638 INFO L225 Difference]: With dead ends: 925 [2024-10-14 20:40:08,638 INFO L226 Difference]: Without dead ends: 924 [2024-10-14 20:40:08,638 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 101 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=143, Invalid=613, Unknown=0, NotChecked=0, Total=756 [2024-10-14 20:40:08,638 INFO L432 NwaCegarLoop]: 183 mSDtfsCounter, 830 mSDsluCounter, 628 mSDsCounter, 0 mSdLazyCounter, 823 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 835 SdHoareTripleChecker+Valid, 811 SdHoareTripleChecker+Invalid, 865 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 823 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-10-14 20:40:08,639 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [835 Valid, 811 Invalid, 865 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 823 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-10-14 20:40:08,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 924 states. [2024-10-14 20:40:08,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 924 to 666. [2024-10-14 20:40:08,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 666 states, 554 states have (on average 1.6768953068592058) internal successors, (929), 612 states have internal predecessors, (929), 51 states have call successors, (51), 2 states have call predecessors, (51), 2 states have return successors, (51), 51 states have call predecessors, (51), 51 states have call successors, (51) [2024-10-14 20:40:08,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 666 states to 666 states and 1031 transitions. [2024-10-14 20:40:08,666 INFO L78 Accepts]: Start accepts. Automaton has 666 states and 1031 transitions. Word has length 112 [2024-10-14 20:40:08,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:40:08,666 INFO L471 AbstractCegarLoop]: Abstraction has 666 states and 1031 transitions. [2024-10-14 20:40:08,666 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 9.714285714285714) internal successors, (68), 8 states have internal predecessors, (68), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-10-14 20:40:08,666 INFO L276 IsEmpty]: Start isEmpty. Operand 666 states and 1031 transitions. [2024-10-14 20:40:08,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-10-14 20:40:08,667 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:40:08,667 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:40:08,679 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Ended with exit code 0 [2024-10-14 20:40:08,867 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable37 [2024-10-14 20:40:08,868 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-10-14 20:40:08,868 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:40:08,868 INFO L85 PathProgramCache]: Analyzing trace with hash 1337527720, now seen corresponding path program 1 times [2024-10-14 20:40:08,868 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:40:08,868 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [812654420] [2024-10-14 20:40:08,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:40:08,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:40:08,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:40:08,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 20:40:08,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:40:09,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 20:40:09,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:40:09,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-14 20:40:09,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:40:09,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-14 20:40:09,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:40:09,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-14 20:40:09,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:40:09,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-14 20:40:09,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:40:09,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-14 20:40:09,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:40:09,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-14 20:40:09,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:40:09,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-14 20:40:09,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:40:09,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-14 20:40:09,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:40:09,037 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 13 proven. 18 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-10-14 20:40:09,038 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:40:09,038 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [812654420] [2024-10-14 20:40:09,038 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [812654420] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:40:09,038 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [144942162] [2024-10-14 20:40:09,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:40:09,038 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:40:09,038 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:40:09,039 INFO L229 MonitoredProcess]: Starting monitored process 34 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 20:40:09,040 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Waiting until timeout for monitored process [2024-10-14 20:40:09,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:40:09,089 INFO L255 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-14 20:40:09,091 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:40:09,221 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-10-14 20:40:09,222 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:40:09,383 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-10-14 20:40:09,383 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [144942162] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 20:40:09,383 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-14 20:40:09,383 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5, 5] total 16 [2024-10-14 20:40:09,383 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [882451132] [2024-10-14 20:40:09,383 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-14 20:40:09,384 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-10-14 20:40:09,384 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:40:09,384 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-10-14 20:40:09,384 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=205, Unknown=0, NotChecked=0, Total=240 [2024-10-14 20:40:09,385 INFO L87 Difference]: Start difference. First operand 666 states and 1031 transitions. Second operand has 16 states, 15 states have (on average 13.066666666666666) internal successors, (196), 14 states have internal predecessors, (196), 9 states have call successors, (28), 1 states have call predecessors, (28), 2 states have return successors, (28), 9 states have call predecessors, (28), 9 states have call successors, (28) [2024-10-14 20:40:14,244 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.46s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2024-10-14 20:40:18,284 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2024-10-14 20:40:21,687 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.40s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2024-10-14 20:40:25,385 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.70s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2024-10-14 20:40:26,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:40:26,386 INFO L93 Difference]: Finished difference Result 1055 states and 1478 transitions. [2024-10-14 20:40:26,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-10-14 20:40:26,387 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 13.066666666666666) internal successors, (196), 14 states have internal predecessors, (196), 9 states have call successors, (28), 1 states have call predecessors, (28), 2 states have return successors, (28), 9 states have call predecessors, (28), 9 states have call successors, (28) Word has length 113 [2024-10-14 20:40:26,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:40:26,388 INFO L225 Difference]: With dead ends: 1055 [2024-10-14 20:40:26,388 INFO L226 Difference]: Without dead ends: 504 [2024-10-14 20:40:26,389 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 269 GetRequests, 238 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 126 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=247, Invalid=809, Unknown=0, NotChecked=0, Total=1056 [2024-10-14 20:40:26,389 INFO L432 NwaCegarLoop]: 112 mSDtfsCounter, 1748 mSDsluCounter, 747 mSDsCounter, 0 mSdLazyCounter, 1992 mSolverCounterSat, 120 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1749 SdHoareTripleChecker+Valid, 859 SdHoareTripleChecker+Invalid, 2116 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 120 IncrementalHoareTripleChecker+Valid, 1992 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.8s IncrementalHoareTripleChecker+Time [2024-10-14 20:40:26,390 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1749 Valid, 859 Invalid, 2116 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [120 Valid, 1992 Invalid, 4 Unknown, 0 Unchecked, 16.8s Time] [2024-10-14 20:40:26,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 504 states. [2024-10-14 20:40:26,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 504 to 354. [2024-10-14 20:40:26,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 354 states, 266 states have (on average 1.5150375939849625) internal successors, (403), 324 states have internal predecessors, (403), 27 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-10-14 20:40:26,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 354 states and 457 transitions. [2024-10-14 20:40:26,403 INFO L78 Accepts]: Start accepts. Automaton has 354 states and 457 transitions. Word has length 113 [2024-10-14 20:40:26,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:40:26,403 INFO L471 AbstractCegarLoop]: Abstraction has 354 states and 457 transitions. [2024-10-14 20:40:26,404 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 13.066666666666666) internal successors, (196), 14 states have internal predecessors, (196), 9 states have call successors, (28), 1 states have call predecessors, (28), 2 states have return successors, (28), 9 states have call predecessors, (28), 9 states have call successors, (28) [2024-10-14 20:40:26,404 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states and 457 transitions. [2024-10-14 20:40:26,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2024-10-14 20:40:26,404 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:40:26,404 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:40:26,417 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Forceful destruction successful, exit code 0 [2024-10-14 20:40:26,608 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 34 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable38 [2024-10-14 20:40:26,609 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr48ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-10-14 20:40:26,609 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:40:26,609 INFO L85 PathProgramCache]: Analyzing trace with hash 767455601, now seen corresponding path program 1 times [2024-10-14 20:40:26,609 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:40:26,609 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [112972982] [2024-10-14 20:40:26,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:40:26,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:40:26,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 20:40:26,625 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [331901732] [2024-10-14 20:40:26,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:40:26,625 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:40:26,625 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:40:26,630 INFO L229 MonitoredProcess]: Starting monitored process 35 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 20:40:26,633 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Waiting until timeout for monitored process [2024-10-14 20:40:26,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:40:26,707 INFO L255 TraceCheckSpWp]: Trace formula consists of 284 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-14 20:40:26,709 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:40:26,910 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 172 trivial. 0 not checked. [2024-10-14 20:40:26,910 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 20:40:26,910 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:40:26,910 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [112972982] [2024-10-14 20:40:26,910 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-14 20:40:26,910 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [331901732] [2024-10-14 20:40:26,910 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [331901732] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:40:26,911 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 20:40:26,911 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-14 20:40:26,911 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1498909799] [2024-10-14 20:40:26,911 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:40:26,911 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 20:40:26,911 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:40:26,911 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 20:40:26,911 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-10-14 20:40:26,911 INFO L87 Difference]: Start difference. First operand 354 states and 457 transitions. Second operand has 5 states, 4 states have (on average 25.25) internal successors, (101), 5 states have internal predecessors, (101), 4 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 4 states have call predecessors, (14), 4 states have call successors, (14) [2024-10-14 20:40:27,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:40:27,263 INFO L93 Difference]: Finished difference Result 356 states and 459 transitions. [2024-10-14 20:40:27,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-14 20:40:27,263 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 25.25) internal successors, (101), 5 states have internal predecessors, (101), 4 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 4 states have call predecessors, (14), 4 states have call successors, (14) Word has length 165 [2024-10-14 20:40:27,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:40:27,264 INFO L225 Difference]: With dead ends: 356 [2024-10-14 20:40:27,265 INFO L226 Difference]: Without dead ends: 355 [2024-10-14 20:40:27,265 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 164 GetRequests, 161 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-10-14 20:40:27,265 INFO L432 NwaCegarLoop]: 148 mSDtfsCounter, 6 mSDsluCounter, 131 mSDsCounter, 0 mSdLazyCounter, 145 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 279 SdHoareTripleChecker+Invalid, 145 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 145 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-14 20:40:27,265 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 279 Invalid, 145 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 145 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-14 20:40:27,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 355 states. [2024-10-14 20:40:27,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 355 to 354. [2024-10-14 20:40:27,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 354 states, 266 states have (on average 1.5112781954887218) internal successors, (402), 324 states have internal predecessors, (402), 27 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-10-14 20:40:27,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 354 states and 456 transitions. [2024-10-14 20:40:27,278 INFO L78 Accepts]: Start accepts. Automaton has 354 states and 456 transitions. Word has length 165 [2024-10-14 20:40:27,278 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:40:27,279 INFO L471 AbstractCegarLoop]: Abstraction has 354 states and 456 transitions. [2024-10-14 20:40:27,279 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 25.25) internal successors, (101), 5 states have internal predecessors, (101), 4 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 4 states have call predecessors, (14), 4 states have call successors, (14) [2024-10-14 20:40:27,279 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states and 456 transitions. [2024-10-14 20:40:27,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2024-10-14 20:40:27,279 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:40:27,280 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:40:27,296 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Forceful destruction successful, exit code 0 [2024-10-14 20:40:27,483 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable39 [2024-10-14 20:40:27,484 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr49ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-10-14 20:40:27,484 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:40:27,484 INFO L85 PathProgramCache]: Analyzing trace with hash -1978679969, now seen corresponding path program 1 times [2024-10-14 20:40:27,484 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:40:27,484 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1858335926] [2024-10-14 20:40:27,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:40:27,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:40:27,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 20:40:27,499 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [567004273] [2024-10-14 20:40:27,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:40:27,499 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:40:27,499 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:40:27,501 INFO L229 MonitoredProcess]: Starting monitored process 36 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 20:40:27,501 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Waiting until timeout for monitored process [2024-10-14 20:40:27,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:40:27,559 INFO L255 TraceCheckSpWp]: Trace formula consists of 285 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-14 20:40:27,560 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:40:27,761 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 172 trivial. 0 not checked. [2024-10-14 20:40:27,761 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:40:28,555 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:40:28,555 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1858335926] [2024-10-14 20:40:28,555 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-14 20:40:28,555 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [567004273] [2024-10-14 20:40:28,556 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [567004273] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:40:28,556 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-14 20:40:28,556 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2024-10-14 20:40:28,556 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1029545415] [2024-10-14 20:40:28,556 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-14 20:40:28,556 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 20:40:28,556 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:40:28,556 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 20:40:28,557 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2024-10-14 20:40:28,557 INFO L87 Difference]: Start difference. First operand 354 states and 456 transitions. Second operand has 5 states, 4 states have (on average 25.5) internal successors, (102), 5 states have internal predecessors, (102), 4 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 4 states have call predecessors, (14), 4 states have call successors, (14) [2024-10-14 20:40:28,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:40:28,838 INFO L93 Difference]: Finished difference Result 356 states and 458 transitions. [2024-10-14 20:40:28,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-14 20:40:28,838 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 25.5) internal successors, (102), 5 states have internal predecessors, (102), 4 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 4 states have call predecessors, (14), 4 states have call successors, (14) Word has length 166 [2024-10-14 20:40:28,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:40:28,839 INFO L225 Difference]: With dead ends: 356 [2024-10-14 20:40:28,839 INFO L226 Difference]: Without dead ends: 355 [2024-10-14 20:40:28,839 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 236 GetRequests, 231 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2024-10-14 20:40:28,840 INFO L432 NwaCegarLoop]: 126 mSDtfsCounter, 4 mSDsluCounter, 121 mSDsCounter, 0 mSdLazyCounter, 125 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 247 SdHoareTripleChecker+Invalid, 125 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 125 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-14 20:40:28,840 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 247 Invalid, 125 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 125 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-14 20:40:28,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 355 states. [2024-10-14 20:40:28,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 355 to 354. [2024-10-14 20:40:28,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 354 states, 266 states have (on average 1.5075187969924813) internal successors, (401), 324 states have internal predecessors, (401), 27 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-10-14 20:40:28,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 354 states and 455 transitions. [2024-10-14 20:40:28,852 INFO L78 Accepts]: Start accepts. Automaton has 354 states and 455 transitions. Word has length 166 [2024-10-14 20:40:28,852 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:40:28,852 INFO L471 AbstractCegarLoop]: Abstraction has 354 states and 455 transitions. [2024-10-14 20:40:28,852 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 25.5) internal successors, (102), 5 states have internal predecessors, (102), 4 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 4 states have call predecessors, (14), 4 states have call successors, (14) [2024-10-14 20:40:28,852 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states and 455 transitions. [2024-10-14 20:40:28,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2024-10-14 20:40:28,853 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:40:28,853 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:40:28,865 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Forceful destruction successful, exit code 0 [2024-10-14 20:40:29,053 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40,36 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:40:29,054 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr51ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-10-14 20:40:29,054 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:40:29,054 INFO L85 PathProgramCache]: Analyzing trace with hash 1159067617, now seen corresponding path program 1 times [2024-10-14 20:40:29,054 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:40:29,054 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [643795914] [2024-10-14 20:40:29,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:40:29,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:40:29,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 20:40:29,071 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [813720655] [2024-10-14 20:40:29,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:40:29,071 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:40:29,071 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:40:29,072 INFO L229 MonitoredProcess]: Starting monitored process 37 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 20:40:29,073 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Waiting until timeout for monitored process [2024-10-14 20:40:29,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:40:29,128 INFO L255 TraceCheckSpWp]: Trace formula consists of 287 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-14 20:40:29,130 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:40:29,492 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 172 trivial. 0 not checked. [2024-10-14 20:40:29,492 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 20:40:29,492 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:40:29,492 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [643795914] [2024-10-14 20:40:29,492 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-14 20:40:29,492 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [813720655] [2024-10-14 20:40:29,492 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [813720655] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:40:29,492 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 20:40:29,493 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-14 20:40:29,493 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [745963414] [2024-10-14 20:40:29,493 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:40:29,493 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-14 20:40:29,493 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:40:29,493 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-14 20:40:29,493 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-10-14 20:40:29,494 INFO L87 Difference]: Start difference. First operand 354 states and 455 transitions. Second operand has 6 states, 5 states have (on average 20.8) internal successors, (104), 6 states have internal predecessors, (104), 4 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 4 states have call predecessors, (14), 4 states have call successors, (14) [2024-10-14 20:40:30,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:40:30,117 INFO L93 Difference]: Finished difference Result 356 states and 457 transitions. [2024-10-14 20:40:30,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-14 20:40:30,117 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 20.8) internal successors, (104), 6 states have internal predecessors, (104), 4 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 4 states have call predecessors, (14), 4 states have call successors, (14) Word has length 168 [2024-10-14 20:40:30,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:40:30,118 INFO L225 Difference]: With dead ends: 356 [2024-10-14 20:40:30,118 INFO L226 Difference]: Without dead ends: 355 [2024-10-14 20:40:30,118 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 167 GetRequests, 163 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-10-14 20:40:30,119 INFO L432 NwaCegarLoop]: 142 mSDtfsCounter, 0 mSDsluCounter, 250 mSDsCounter, 0 mSdLazyCounter, 347 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 392 SdHoareTripleChecker+Invalid, 347 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 347 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-14 20:40:30,119 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 392 Invalid, 347 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 347 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-14 20:40:30,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 355 states. [2024-10-14 20:40:30,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 355 to 355. [2024-10-14 20:40:30,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 355 states, 267 states have (on average 1.5056179775280898) internal successors, (402), 325 states have internal predecessors, (402), 27 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-10-14 20:40:30,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 355 states and 456 transitions. [2024-10-14 20:40:30,131 INFO L78 Accepts]: Start accepts. Automaton has 355 states and 456 transitions. Word has length 168 [2024-10-14 20:40:30,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:40:30,132 INFO L471 AbstractCegarLoop]: Abstraction has 355 states and 456 transitions. [2024-10-14 20:40:30,132 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 20.8) internal successors, (104), 6 states have internal predecessors, (104), 4 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 4 states have call predecessors, (14), 4 states have call successors, (14) [2024-10-14 20:40:30,132 INFO L276 IsEmpty]: Start isEmpty. Operand 355 states and 456 transitions. [2024-10-14 20:40:30,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2024-10-14 20:40:30,132 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:40:30,132 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:40:30,144 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Forceful destruction successful, exit code 0 [2024-10-14 20:40:30,336 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41,37 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:40:30,337 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr52ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-10-14 20:40:30,337 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:40:30,337 INFO L85 PathProgramCache]: Analyzing trace with hash -1753624971, now seen corresponding path program 1 times [2024-10-14 20:40:30,337 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:40:30,337 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2063295643] [2024-10-14 20:40:30,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:40:30,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:40:30,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 20:40:30,355 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1276771842] [2024-10-14 20:40:30,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:40:30,355 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:40:30,355 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:40:30,359 INFO L229 MonitoredProcess]: Starting monitored process 38 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 20:40:30,360 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Waiting until timeout for monitored process [2024-10-14 20:40:30,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:40:30,419 INFO L255 TraceCheckSpWp]: Trace formula consists of 293 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-10-14 20:40:30,421 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:40:31,241 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 0 proven. 59 refuted. 0 times theorem prover too weak. 157 trivial. 0 not checked. [2024-10-14 20:40:31,241 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:40:39,376 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:40:39,376 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2063295643] [2024-10-14 20:40:39,376 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-14 20:40:39,377 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1276771842] [2024-10-14 20:40:39,377 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1276771842] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:40:39,377 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-14 20:40:39,377 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2024-10-14 20:40:39,377 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [128733949] [2024-10-14 20:40:39,377 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-14 20:40:39,379 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-14 20:40:39,379 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:40:39,381 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-14 20:40:39,381 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=181, Unknown=2, NotChecked=0, Total=240 [2024-10-14 20:40:39,381 INFO L87 Difference]: Start difference. First operand 355 states and 456 transitions. Second operand has 12 states, 11 states have (on average 10.0) internal successors, (110), 12 states have internal predecessors, (110), 5 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (14), 4 states have call predecessors, (14), 5 states have call successors, (14) [2024-10-14 20:40:40,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:40:40,193 INFO L93 Difference]: Finished difference Result 496 states and 673 transitions. [2024-10-14 20:40:40,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-14 20:40:40,194 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 10.0) internal successors, (110), 12 states have internal predecessors, (110), 5 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (14), 4 states have call predecessors, (14), 5 states have call successors, (14) Word has length 171 [2024-10-14 20:40:40,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:40:40,195 INFO L225 Difference]: With dead ends: 496 [2024-10-14 20:40:40,195 INFO L226 Difference]: Without dead ends: 493 [2024-10-14 20:40:40,195 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 188 GetRequests, 170 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 8.2s TimeCoverageRelationStatistics Valid=95, Invalid=283, Unknown=2, NotChecked=0, Total=380 [2024-10-14 20:40:40,196 INFO L432 NwaCegarLoop]: 122 mSDtfsCounter, 270 mSDsluCounter, 756 mSDsCounter, 0 mSdLazyCounter, 1231 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 280 SdHoareTripleChecker+Valid, 878 SdHoareTripleChecker+Invalid, 1242 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 1231 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-14 20:40:40,196 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [280 Valid, 878 Invalid, 1242 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 1231 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-14 20:40:40,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 493 states. [2024-10-14 20:40:40,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 493 to 450. [2024-10-14 20:40:40,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 450 states, 354 states have (on average 1.57909604519774) internal successors, (559), 412 states have internal predecessors, (559), 35 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2024-10-14 20:40:40,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 450 states and 629 transitions. [2024-10-14 20:40:40,212 INFO L78 Accepts]: Start accepts. Automaton has 450 states and 629 transitions. Word has length 171 [2024-10-14 20:40:40,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:40:40,214 INFO L471 AbstractCegarLoop]: Abstraction has 450 states and 629 transitions. [2024-10-14 20:40:40,214 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 10.0) internal successors, (110), 12 states have internal predecessors, (110), 5 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (14), 4 states have call predecessors, (14), 5 states have call successors, (14) [2024-10-14 20:40:40,214 INFO L276 IsEmpty]: Start isEmpty. Operand 450 states and 629 transitions. [2024-10-14 20:40:40,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2024-10-14 20:40:40,215 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:40:40,215 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:40:40,227 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Ended with exit code 0 [2024-10-14 20:40:40,418 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42,38 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:40:40,419 INFO L396 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr53ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-10-14 20:40:40,419 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:40:40,419 INFO L85 PathProgramCache]: Analyzing trace with hash 1472200934, now seen corresponding path program 1 times [2024-10-14 20:40:40,419 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:40:40,419 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [475192369] [2024-10-14 20:40:40,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:40:40,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:40:40,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 20:40:40,435 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1577007934] [2024-10-14 20:40:40,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:40:40,435 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:40:40,435 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:40:40,442 INFO L229 MonitoredProcess]: Starting monitored process 39 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 20:40:40,443 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Waiting until timeout for monitored process [2024-10-14 20:40:40,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:40:40,548 INFO L255 TraceCheckSpWp]: Trace formula consists of 294 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-10-14 20:40:40,550 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:40:41,584 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 0 proven. 59 refuted. 0 times theorem prover too weak. 157 trivial. 0 not checked. [2024-10-14 20:40:41,584 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:40:50,401 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:40:50,401 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [475192369] [2024-10-14 20:40:50,401 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-14 20:40:50,401 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1577007934] [2024-10-14 20:40:50,401 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1577007934] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:40:50,401 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-14 20:40:50,401 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2024-10-14 20:40:50,401 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [181246052] [2024-10-14 20:40:50,402 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-14 20:40:50,402 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-14 20:40:50,402 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:40:50,403 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-14 20:40:50,403 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=179, Unknown=2, NotChecked=0, Total=240 [2024-10-14 20:40:50,403 INFO L87 Difference]: Start difference. First operand 450 states and 629 transitions. Second operand has 12 states, 11 states have (on average 10.090909090909092) internal successors, (111), 12 states have internal predecessors, (111), 5 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (14), 4 states have call predecessors, (14), 5 states have call successors, (14) [2024-10-14 20:40:51,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:40:51,331 INFO L93 Difference]: Finished difference Result 496 states and 668 transitions. [2024-10-14 20:40:51,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-14 20:40:51,331 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 10.090909090909092) internal successors, (111), 12 states have internal predecessors, (111), 5 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (14), 4 states have call predecessors, (14), 5 states have call successors, (14) Word has length 172 [2024-10-14 20:40:51,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:40:51,333 INFO L225 Difference]: With dead ends: 496 [2024-10-14 20:40:51,333 INFO L226 Difference]: Without dead ends: 493 [2024-10-14 20:40:51,333 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 191 GetRequests, 172 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 8.7s TimeCoverageRelationStatistics Valid=109, Invalid=309, Unknown=2, NotChecked=0, Total=420 [2024-10-14 20:40:51,333 INFO L432 NwaCegarLoop]: 122 mSDtfsCounter, 354 mSDsluCounter, 709 mSDsCounter, 0 mSdLazyCounter, 1138 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 364 SdHoareTripleChecker+Valid, 831 SdHoareTripleChecker+Invalid, 1156 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 1138 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-10-14 20:40:51,334 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [364 Valid, 831 Invalid, 1156 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 1138 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-10-14 20:40:51,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 493 states. [2024-10-14 20:40:51,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 493 to 451. [2024-10-14 20:40:51,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 451 states, 355 states have (on average 1.5661971830985915) internal successors, (556), 413 states have internal predecessors, (556), 35 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2024-10-14 20:40:51,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 451 states and 626 transitions. [2024-10-14 20:40:51,350 INFO L78 Accepts]: Start accepts. Automaton has 451 states and 626 transitions. Word has length 172 [2024-10-14 20:40:51,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:40:51,350 INFO L471 AbstractCegarLoop]: Abstraction has 451 states and 626 transitions. [2024-10-14 20:40:51,350 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 10.090909090909092) internal successors, (111), 12 states have internal predecessors, (111), 5 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (14), 4 states have call predecessors, (14), 5 states have call successors, (14) [2024-10-14 20:40:51,350 INFO L276 IsEmpty]: Start isEmpty. Operand 451 states and 626 transitions. [2024-10-14 20:40:51,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2024-10-14 20:40:51,351 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:40:51,351 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:40:51,363 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Ended with exit code 0 [2024-10-14 20:40:51,555 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 39 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable43 [2024-10-14 20:40:51,556 INFO L396 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr54ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-10-14 20:40:51,556 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:40:51,556 INFO L85 PathProgramCache]: Analyzing trace with hash -1606411113, now seen corresponding path program 1 times [2024-10-14 20:40:51,556 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:40:51,556 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1909739215] [2024-10-14 20:40:51,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:40:51,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:40:51,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 20:40:51,582 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1942161273] [2024-10-14 20:40:51,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:40:51,582 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:40:51,582 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:40:51,584 INFO L229 MonitoredProcess]: Starting monitored process 40 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 20:40:51,588 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Waiting until timeout for monitored process [2024-10-14 20:40:51,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:40:51,647 INFO L255 TraceCheckSpWp]: Trace formula consists of 295 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-10-14 20:40:51,649 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:40:52,916 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 0 proven. 59 refuted. 0 times theorem prover too weak. 157 trivial. 0 not checked. [2024-10-14 20:40:52,917 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:40:53,288 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:40:53,288 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1909739215] [2024-10-14 20:40:53,288 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-14 20:40:53,288 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1942161273] [2024-10-14 20:40:53,288 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1942161273] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:40:53,288 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-14 20:40:53,288 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2024-10-14 20:40:53,289 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1249109958] [2024-10-14 20:40:53,289 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-14 20:40:53,289 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-10-14 20:40:53,289 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:40:53,289 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-10-14 20:40:53,290 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=338, Unknown=0, NotChecked=0, Total=420 [2024-10-14 20:40:53,290 INFO L87 Difference]: Start difference. First operand 451 states and 626 transitions. Second operand has 15 states, 14 states have (on average 8.0) internal successors, (112), 15 states have internal predecessors, (112), 5 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (14), 4 states have call predecessors, (14), 5 states have call successors, (14) [2024-10-14 20:40:55,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:40:55,226 INFO L93 Difference]: Finished difference Result 501 states and 677 transitions. [2024-10-14 20:40:55,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-10-14 20:40:55,226 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 8.0) internal successors, (112), 15 states have internal predecessors, (112), 5 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (14), 4 states have call predecessors, (14), 5 states have call successors, (14) Word has length 173 [2024-10-14 20:40:55,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:40:55,227 INFO L225 Difference]: With dead ends: 501 [2024-10-14 20:40:55,227 INFO L226 Difference]: Without dead ends: 497 [2024-10-14 20:40:55,228 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 198 GetRequests, 169 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 88 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=186, Invalid=744, Unknown=0, NotChecked=0, Total=930 [2024-10-14 20:40:55,228 INFO L432 NwaCegarLoop]: 63 mSDtfsCounter, 503 mSDsluCounter, 453 mSDsCounter, 0 mSdLazyCounter, 2230 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 508 SdHoareTripleChecker+Valid, 516 SdHoareTripleChecker+Invalid, 2266 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 2230 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-10-14 20:40:55,228 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [508 Valid, 516 Invalid, 2266 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 2230 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-10-14 20:40:55,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 497 states. [2024-10-14 20:40:55,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 497 to 452. [2024-10-14 20:40:55,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 452 states, 356 states have (on average 1.547752808988764) internal successors, (551), 414 states have internal predecessors, (551), 35 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2024-10-14 20:40:55,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 452 states to 452 states and 621 transitions. [2024-10-14 20:40:55,245 INFO L78 Accepts]: Start accepts. Automaton has 452 states and 621 transitions. Word has length 173 [2024-10-14 20:40:55,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:40:55,245 INFO L471 AbstractCegarLoop]: Abstraction has 452 states and 621 transitions. [2024-10-14 20:40:55,245 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 8.0) internal successors, (112), 15 states have internal predecessors, (112), 5 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (14), 4 states have call predecessors, (14), 5 states have call successors, (14) [2024-10-14 20:40:55,245 INFO L276 IsEmpty]: Start isEmpty. Operand 452 states and 621 transitions. [2024-10-14 20:40:55,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2024-10-14 20:40:55,246 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:40:55,246 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 6, 6, 6, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:40:55,259 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Ended with exit code 0 [2024-10-14 20:40:55,450 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 40 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable44 [2024-10-14 20:40:55,450 INFO L396 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-10-14 20:40:55,451 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:40:55,451 INFO L85 PathProgramCache]: Analyzing trace with hash 1739200906, now seen corresponding path program 1 times [2024-10-14 20:40:55,451 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:40:55,451 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [32217731] [2024-10-14 20:40:55,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:40:55,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:40:55,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:40:55,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 20:40:55,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:40:55,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 20:40:55,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:40:55,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-14 20:40:55,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:40:55,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-14 20:40:55,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:40:55,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-14 20:40:55,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:40:55,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-14 20:40:55,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:40:55,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-14 20:40:55,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:40:55,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-14 20:40:55,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:40:55,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-14 20:40:55,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:40:55,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-14 20:40:55,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:40:55,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-14 20:40:55,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:40:55,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-14 20:40:55,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:40:55,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-14 20:40:55,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:40:55,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-14 20:40:55,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:40:55,604 INFO L134 CoverageAnalysis]: Checked inductivity of 224 backedges. 50 proven. 2 refuted. 0 times theorem prover too weak. 172 trivial. 0 not checked. [2024-10-14 20:40:55,604 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:40:55,604 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [32217731] [2024-10-14 20:40:55,605 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [32217731] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:40:55,605 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [26569872] [2024-10-14 20:40:55,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:40:55,605 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:40:55,605 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:40:55,606 INFO L229 MonitoredProcess]: Starting monitored process 41 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 20:40:55,607 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Waiting until timeout for monitored process [2024-10-14 20:40:55,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:40:55,663 INFO L255 TraceCheckSpWp]: Trace formula consists of 299 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-14 20:40:55,665 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:40:55,754 INFO L134 CoverageAnalysis]: Checked inductivity of 224 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 172 trivial. 0 not checked. [2024-10-14 20:40:55,754 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 20:40:55,754 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [26569872] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:40:55,754 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-14 20:40:55,754 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 8 [2024-10-14 20:40:55,754 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1501580562] [2024-10-14 20:40:55,754 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:40:55,755 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-14 20:40:55,755 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:40:55,755 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-14 20:40:55,755 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-10-14 20:40:55,755 INFO L87 Difference]: Start difference. First operand 452 states and 621 transitions. Second operand has 8 states, 7 states have (on average 15.714285714285714) internal successors, (110), 8 states have internal predecessors, (110), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-10-14 20:40:56,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:40:56,545 INFO L93 Difference]: Finished difference Result 662 states and 829 transitions. [2024-10-14 20:40:56,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-10-14 20:40:56,545 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 15.714285714285714) internal successors, (110), 8 states have internal predecessors, (110), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 174 [2024-10-14 20:40:56,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:40:56,547 INFO L225 Difference]: With dead ends: 662 [2024-10-14 20:40:56,547 INFO L226 Difference]: Without dead ends: 632 [2024-10-14 20:40:56,547 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 224 GetRequests, 206 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=118, Invalid=262, Unknown=0, NotChecked=0, Total=380 [2024-10-14 20:40:56,548 INFO L432 NwaCegarLoop]: 287 mSDtfsCounter, 541 mSDsluCounter, 985 mSDsCounter, 0 mSdLazyCounter, 330 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 542 SdHoareTripleChecker+Valid, 1272 SdHoareTripleChecker+Invalid, 358 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 330 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-14 20:40:56,548 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [542 Valid, 1272 Invalid, 358 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 330 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-14 20:40:56,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 632 states. [2024-10-14 20:40:56,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 632 to 455. [2024-10-14 20:40:56,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 455 states, 360 states have (on average 1.5361111111111112) internal successors, (553), 417 states have internal predecessors, (553), 35 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2024-10-14 20:40:56,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 455 states and 623 transitions. [2024-10-14 20:40:56,565 INFO L78 Accepts]: Start accepts. Automaton has 455 states and 623 transitions. Word has length 174 [2024-10-14 20:40:56,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:40:56,565 INFO L471 AbstractCegarLoop]: Abstraction has 455 states and 623 transitions. [2024-10-14 20:40:56,565 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 15.714285714285714) internal successors, (110), 8 states have internal predecessors, (110), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-10-14 20:40:56,565 INFO L276 IsEmpty]: Start isEmpty. Operand 455 states and 623 transitions. [2024-10-14 20:40:56,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2024-10-14 20:40:56,566 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:40:56,566 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:40:56,578 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Ended with exit code 0 [2024-10-14 20:40:56,766 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 41 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable45 [2024-10-14 20:40:56,767 INFO L396 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr55ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-10-14 20:40:56,767 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:40:56,767 INFO L85 PathProgramCache]: Analyzing trace with hash 1740863240, now seen corresponding path program 1 times [2024-10-14 20:40:56,768 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:40:56,768 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [255357622] [2024-10-14 20:40:56,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:40:56,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:40:56,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 20:40:56,779 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [226823075] [2024-10-14 20:40:56,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:40:56,779 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:40:56,779 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:40:56,781 INFO L229 MonitoredProcess]: Starting monitored process 42 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 20:40:56,782 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (42)] Waiting until timeout for monitored process [2024-10-14 20:40:56,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:40:56,838 INFO L255 TraceCheckSpWp]: Trace formula consists of 296 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-10-14 20:40:56,840 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:40:57,935 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 0 proven. 59 refuted. 0 times theorem prover too weak. 157 trivial. 0 not checked. [2024-10-14 20:40:57,935 INFO L311 TraceCheckSpWp]: Computing backward predicates...